Some more JavaDoc

Former-commit-id: e13f137534

ccm-core/src/main/java/db/migrations/org/libreccm/ccm_core/h2/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Java based migrations for the H2 database.
+ */
+package db.migrations.org.libreccm.ccm_core.h2;

ccm-core/src/main/java/db/migrations/org/libreccm/ccm_core/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Java based database migrations that use no database specific SQL.
+ */
+package db.migrations.org.libreccm.ccm_core;

ccm-core/src/main/java/db/migrations/org/libreccm/ccm_core/pgsql/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Java based migrations for PostgreSQL.
+ */
+package db.migrations.org.libreccm.ccm_core.pgsql;

ccm-core/src/main/java/org/libreccm/admin/ui/AdminJsfApplicationCreator.java

@@ -27,10 +27,12 @@ import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 
 /**
- *
+ * 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped
+@Deprecated
 public class AdminJsfApplicationCreator implements ApplicationCreator<CcmApplication>{
 
     @Inject

ccm-core/src/main/java/org/libreccm/admin/ui/AdminJsfApplicationSetup.java

@@ -28,6 +28,7 @@ import java.util.UUID;
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
+@Deprecated
 public class AdminJsfApplicationSetup extends AbstractCcmApplicationSetup {
 
     public static final String ADMIN_APP_NAME = "CcmAdminJsf";

ccm-core/src/main/java/org/libreccm/admin/ui/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Some experiments with JSF. To be removed.
+ *
+ */
+@Deprecated
+package org.libreccm.admin.ui;

ccm-core/src/main/java/org/libreccm/admin/ui/sysinfo/SysInfoController.java

@@ -39,6 +39,7 @@ import java.util.ResourceBundle;
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
+@Deprecated
 @RequestScoped
 @Named
 public class SysInfoController {

ccm-core/src/main/java/org/libreccm/admin/ui/sysinfo/SysInfoProperty.java

@@ -22,6 +22,7 @@ package org.libreccm.admin.ui.sysinfo;
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
+@Deprecated
 public class SysInfoProperty {
 
     private final String name;

ccm-core/src/main/java/org/libreccm/auditing/AbstractAuditedEntityRepository.java

@@ -33,7 +33,9 @@ import java.util.stream.Collectors;
 import javax.persistence.EntityManager;
 
 /**
- *
+ * Base repository for audited entities. Provides access the the revision of
+ * an entity. 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @param <K> Primary key of the entity.

ccm-core/src/main/java/org/libreccm/auditing/AuditQueryException.java

@@ -20,7 +20,8 @@
 package org.libreccm.auditing;
 
 /**
- *
+ * Expectation thrown when an query for revision etc fails.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class AuditQueryException extends RuntimeException {

ccm-core/src/main/java/org/libreccm/categorization/CategorizationImExporter.java

@@ -32,7 +32,8 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for {@link Categorization} entities.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/categorization/Category.java

@@ -22,7 +22,6 @@ import com.fasterxml.jackson.annotation.JsonIdentityInfo;
 import com.fasterxml.jackson.annotation.JsonIdentityReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.ObjectIdGenerators;
-import org.hibernate.validator.constraints.NotBlank;
 import org.libreccm.core.CcmObject;
 import org.libreccm.l10n.LocalizedString;
 import org.libreccm.security.RecursivePermissions;
@@ -58,6 +57,7 @@ import javax.persistence.NamedQuery;
 import javax.persistence.OneToMany;
 import javax.persistence.OrderBy;
 import javax.persistence.Table;
+import javax.validation.constraints.NotBlank;
 
 /**
  * The category entity represents a single category. Each category is part of a

ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java

@@ -29,6 +29,7 @@ import java.io.Serializable;
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/23/17
  */
+@Deprecated
 @RequestScoped
 public class CategoryIdResolver implements Serializable, ObjectIdResolver {
     private static final long serialVersionUID = -5750627754502675522L;

ccm-core/src/main/java/org/libreccm/categorization/CategoryImExporter.java

@@ -30,7 +30,8 @@ import javax.inject.Inject;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for {@link Category} entities.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/categorization/CategoryRepository.java

@@ -36,7 +36,7 @@ import java.util.Optional;
 import java.util.UUID;
 
 /**
- * Provides CRUB operations for {@link Category} objects.
+ * Provides CRUD operations for {@link Category} objects.
  *
  * Note: This repository class does no permission checks when retrieving
  * categories. This is the responsibility of the application which uses the

ccm-core/src/main/java/org/libreccm/categorization/CategoryTreeModelLiteController.java

@@ -18,6 +18,7 @@
  */
 package org.libreccm.categorization;
 
+import org.hibernate.LazyInitializationException;
 import org.libreccm.l10n.GlobalizationHelper;
 
 import java.util.ArrayList;
@@ -29,7 +30,10 @@ import javax.inject.Inject;
 import javax.transaction.Transactional;
 
 /**
- *
+ * CDI bean used as interface between Bebop ({@link CategoryTreeModelLite}) and
+ * CDI. The CDI beans primarly takes are care of transactions and avoids 
+ * {@link LazyInitializationException}.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/categorization/Domain.java

@@ -22,7 +22,7 @@ import com.fasterxml.jackson.annotation.JsonIdentityInfo;
 import com.fasterxml.jackson.annotation.JsonIdentityReference;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.ObjectIdGenerators;
-import org.hibernate.validator.constraints.NotBlank;
+
 import org.hibernate.validator.constraints.URL;
 import org.libreccm.core.CcmObject;
 import org.libreccm.l10n.LocalizedString;
@@ -65,6 +65,7 @@ import javax.persistence.OneToMany;
 import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
+import javax.validation.constraints.NotBlank;
 
 /**
  * A domain is collection of categories designed a specific purpose. This entity

ccm-core/src/main/java/org/libreccm/categorization/DomainIdResolver.java

@@ -29,6 +29,7 @@ import java.io.Serializable;
  * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
  * @version created the 8/2/17
  */
+@Deprecated
 @RequestScoped
 public class DomainIdResolver implements Serializable, ObjectIdResolver {
     private static final long serialVersionUID = -8504371142795445708L;

ccm-core/src/main/java/org/libreccm/categorization/DomainImExporter.java

@@ -29,7 +29,8 @@ import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 
 /**
- *
+ * Exporter/Importer for {@link Domain} entities.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/categorization/DomainOwnershipImExporter.java

@@ -32,7 +32,9 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for {@link DomainOwnership} entities.
+ * 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/categorization/InvalidCategoryPathException.java

@@ -19,7 +19,10 @@
 package org.libreccm.categorization;
 
 /**
- *
+ * Thrown by {@link CategoryRepository#findByPath(java.lang.String)} and 
+ * {@link CategoryRepository#findByPath(org.libreccm.categorization.Domain, java.lang.String)}
+ * if the provided category path is invalid.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class InvalidCategoryPathException extends RuntimeException {

ccm-core/src/main/java/org/libreccm/categorization/package-info.java

@@ -16,6 +16,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301  USA
  */
+/**
+ * This package provides the category system used by CCM.
+ */
 @XmlSchema(xmlns = {@XmlNs(prefix = "cat", namespaceURI = CAT_XML_NS)})
 @XmlAccessorType(XmlAccessType.NONE)
 package org.libreccm.categorization;

ccm-core/src/main/java/org/libreccm/cdi/utils/CdiUtil.java

@@ -31,6 +31,8 @@ import java.util.Iterator;
 import java.util.Set;
 
 /**
+ * Utility class providing access the CDI beans in classes not eligible for
+ * injection.
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
@@ -40,21 +42,41 @@ public class CdiUtil {
 
     private final BeanManager beanManager;
 
-    private CdiUtil(final BeanManager beanManager)  {
+    private CdiUtil(final BeanManager beanManager) {
         this.beanManager = beanManager;
     }
 
+    /**
+     * Get a new instance of {@code CdiUtil}.
+     *
+     * This factory method looks up the {@link BeanManager} using JNDI and
+     * passes the {@link BeanManager} to the constructor of {@code CdiUtil}.
+     *
+     * @return A new instance of {@code CdiUtil}.
+     */
     public static CdiUtil createCdiUtil() {
         try {
-        final InitialContext context = new InitialContext();
+            final InitialContext context = new InitialContext();
             final BeanManager beanManager = (BeanManager) context.lookup(
-                "java:comp/BeanManager");
+                "java:comp/BeanManager"
+            );
             return new CdiUtil(beanManager);
-        } catch(NamingException ex) {
+        } catch (NamingException ex) {
             throw new IllegalStateException("Unable to lookup BeanManager.", ex);
         }
     }
-    
+
+    /**
+     * Get an instance of the CDI bean of the provided class.
+     *
+     * @param <T>      Type of the CDI bean.
+     * @param beanType The type of the bean to retrieve.
+     *
+     * @return An instance of {@code beanType}.
+     *
+     * @throws IllegalStateException if no CDI bean of the type {@code beanType}
+     *                               is available.
+     */
     @SuppressWarnings("unchecked")
     public <T> T findBean(final Class<T> beanType) {
         final Set<Bean<?>> beans = beanManager.getBeans(beanType);

ccm-core/src/main/java/org/libreccm/cdi/utils/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Utilities for working with CDI.
+ */
+package org.libreccm.cdi.utils;

ccm-core/src/main/java/org/libreccm/core/api/ApiConstants.java

@@ -19,7 +19,8 @@
 package org.libreccm.core.api;
 
 /**
- *
+ * Constants for the RESTful API endpoints provided by ccm-core
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public final class ApiConstants {
@@ -28,7 +29,13 @@ public final class ApiConstants {
         // Nothing
     }
     
+    /**
+     * Prefix for an ID identifier.
+     */
     public static final String IDENTIFIER_PREFIX_ID = "ID-";
+    /**
+     * Prefix for an UUID identifier
+     */
     public static final String IDENTIFIER_PREFIX_UUID = "UUID-";
     
 }

ccm-core/src/main/java/org/libreccm/core/api/CcmCoreApi.java

@@ -17,7 +17,8 @@ import javax.ws.rs.ApplicationPath;
 import javax.ws.rs.core.Application;
 
 /**
- *
+ * JAX-RS application for ccm-core.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @ApplicationPath("/api/ccm-core")

ccm-core/src/main/java/org/libreccm/core/api/ExtractedIdentifier.java

@@ -19,7 +19,10 @@
 package org.libreccm.core.api;
 
 /**
- *
+ * Helper class containing the parts of an extracted identifier.
+ * 
+ * @see IdentifierExtractor
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class ExtractedIdentifier {
@@ -35,10 +38,20 @@ public class ExtractedIdentifier {
         this.identifier = identifier;
     }
 
+    /**
+     * The identifier type.
+     * 
+     * @return 
+     */
     public IdentifierType getType() {
         return type;
     }
 
+    /**
+     * The identifier itself.
+     * 
+     * @return 
+     */
     public String getIdentifier() {
         return identifier;
     }

ccm-core/src/main/java/org/libreccm/core/api/IdentifierExtractor.java

@@ -23,12 +23,27 @@ import java.util.Objects;
 import javax.enterprise.context.Dependent;
 
 /**
- *
+ * Extracts the identifier for an entity from a parameter.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Dependent
 public class IdentifierExtractor {
 
+    /**
+     * Extracts the identifier for an entity from a parameter.
+     * 
+     * If the parameter starts with {@link ApiConstants#IDENTIFIER_PREFIX_ID} 
+     * the identifier is assume to be an ID.
+     * 
+     * If the parameter starts with {@link ApiConstants#IDENTIFIER_PREFIX_UUID} 
+     * the identifier is assume to be an UUID.
+     * 
+     * Otherwise the identifier is some property of an entity.
+     * 
+     * @param identifierParam
+     * @return 
+     */
     public ExtractedIdentifier extractIdentifier(final String identifierParam) {
         Objects.requireNonNull(identifierParam, "identifier param is null.");
 

ccm-core/src/main/java/org/libreccm/core/api/IdentifierType.java

@@ -19,7 +19,8 @@
 package org.libreccm.core.api;
 
 /**
- *
+ * Enum for the supported types of identifiers.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public enum IdentifierType {

ccm-core/src/main/java/org/libreccm/core/api/JsonArrayCollector.java

@@ -33,7 +33,9 @@ import javax.json.JsonArrayBuilder;
 import javax.json.JsonValue;
 
 /**
- *
+ * A {@link Collector} implementation that collects {@link JsonValue}s to
+ * a {@link JsonArray}.
+ *  
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class JsonArrayCollector implements Collector<JsonValue, JsonArrayBuilder, JsonArray>{

ccm-core/src/main/java/org/libreccm/core/api/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Common classes for the RESTful API endpoints provided by ccm-core
+ */
+package org.libreccm.core.api;

ccm-core/src/main/java/org/libreccm/files/CcmFilesConfiguration.java

@@ -22,7 +22,8 @@ import org.libreccm.configuration.Configuration;
 import org.libreccm.configuration.Setting;
 
 /**
- *
+ * Configuration for the CCM files system.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Configuration(descBundle

ccm-core/src/main/java/org/libreccm/files/FileAccessException.java

@@ -30,20 +30,10 @@ public class FileAccessException extends Exception {
 
     private static final String MESSAGE_TEMPLATE = "Error accessing file '%s'.";
 
-//    /**
-//     * Creates a new instance of <code>FileAccessException</code> without detail
-//     * message.
-//     */
-//    FileAccessException() {
-//        super();
-//    }
     FileAccessException(final String path) {
         super(String.format(MESSAGE_TEMPLATE, path));
     }
 
-//    FileAccessException(final Exception ex) {
-//        super(ex);
-//    }
     FileAccessException(final String path, final Exception ex) {
         super(String.format(MESSAGE_TEMPLATE, path), ex);
     }

ccm-core/src/main/java/org/libreccm/files/FileAlreadyExistsException.java

@@ -29,24 +29,11 @@ public class FileAlreadyExistsException extends Exception {
     private static final long serialVersionUID = 2237027823060973043L;
     
     private static final String MESSAGE_TEMPLATE = "The file '%s' already exists.";
-
-//    /**
-//     * Creates a new instance of <code>FileAlreadyExistsException</code> without
-//     * detail message.
-//     */
-//    FileAlreadyExistsException() {
-//        super();
-//    }
-
     
     FileAlreadyExistsException(final String path) {
         super(String.format(MESSAGE_TEMPLATE, path));
     }
 
-//    FileAlreadyExistsException(final Exception ex) {
-//        super(ex);
-//    }
-
     FileAlreadyExistsException(final String path, final Exception ex) {
         super(String.format(MESSAGE_TEMPLATE, path), ex);
     }

ccm-core/src/main/java/org/libreccm/files/FileDoesNotExistException.java

@@ -27,25 +27,16 @@ package org.libreccm.files;
 public class FileDoesNotExistException extends Exception {
 
     private static final long serialVersionUID = 1L;
-    
-    private static final String MESSAGE_TEMPLATE = "The file '%s' does not exist.";
 
-//    /**
-//     * Creates a new instance of <code>FileDoesNotExistException</code> without
-//     * detail message.
-//     */
-//    FileDoesNotExistException() {
-//    }
+    private static final String MESSAGE_TEMPLATE
+        = "The file '%s' does not exist.";
 
     FileDoesNotExistException(final String path) {
         super(String.format(MESSAGE_TEMPLATE, path));
     }
 
-//    FileDoesNotExistException(final Exception ex) {
-//        super(ex);
-//    }
-
     FileDoesNotExistException(final String path, final Exception ex) {
         super(String.format(MESSAGE_TEMPLATE, path), ex);
     }
+
 }

ccm-core/src/main/java/org/libreccm/files/FileSystemAdapter.java

@@ -24,7 +24,12 @@ import java.io.Reader;
 import java.io.Writer;
 import java.util.List;
 
+import javax.enterprise.context.RequestScoped;
+
 /**
+ * Interface for a file system adapter. Implement this interface to add support
+ * for a method for storing (large} files. The implementation must be a CDI
+ * bean. It is recommanded that the bean is {@link RequestScoped}.
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
@@ -136,15 +141,15 @@ public interface FileSystemAdapter {
                InsufficientPermissionsException;
 
     String getMimeType(String path) throws FileAccessException;
-    
+
     long getSize(String path) throws FileAccessException;
-    
-    void copy(String sourcePath, 
-              String targetPath, 
+
+    void copy(String sourcePath,
+              String targetPath,
               boolean recursive) throws FileAccessException;
-    
+
     void move(String sourcePath, String targetPath) throws FileAccessException;
-    
+
     /**
      * checks if the provided path points to a directory.
      *
@@ -243,8 +248,7 @@ public interface FileSystemAdapter {
      * @throws FileDoesNotExistException        If the requested file does not
      *                                          exist.
      * @throws DirectoryNotEmptyException       If the directory is not empty
-     *                                          <em>and</em> {@code recursively}
-     *                                          is set to {@code false}.
+     * <em>and</em> {@code recursively} is set to {@code false}.
      * @throws InsufficientPermissionsException If the user which runs the
      *                                          application server does not have
      *                                          the permission to access the

ccm-core/src/main/java/org/libreccm/files/NoDirectoryException.java

@@ -29,24 +29,11 @@ public class NoDirectoryException extends Exception {
     private static final long serialVersionUID = -5811387600385322767L;
 
     private static final String MESSAGE_TEMPLATE = "The file '%s' is not a directory.";
-    
-//    /**
-//     * Creates a new instance of <code>NoDirectoryException</code> without
-//     * detail message.
-//     */
-//    NoDirectoryException() {
-//        super();
-//    }
-
 
     NoDirectoryException(final String path) {
         super(String.format(MESSAGE_TEMPLATE, path));
     }
     
-//    NoDirectoryException(final Exception ex) {
-//        super(ex);
-//    }
-    
     NoDirectoryException(final String path, final Exception ex) {
         super(String.format(MESSAGE_TEMPLATE, path), ex);
     }

ccm-core/src/main/java/org/libreccm/files/package-info.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * This package provides an API for managing (large) files in different sources.
+ * 
+ * For details please refer to the documentation of the classes. The main entry
+ * point is {@link CcmFiles}.
+ * 
+ */
+package org.libreccm.files;

ccm-core/src/main/java/org/libreccm/formbuilder/Component.java

@@ -21,7 +21,6 @@ package org.libreccm.formbuilder;
 import org.libreccm.core.CcmObject;
 import org.libreccm.l10n.LocalizedString;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.List;
@@ -29,6 +28,16 @@ import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.AssociationOverride;
+import javax.persistence.Column;
+import javax.persistence.Embedded;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.JoinTable;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.Table;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/formbuilder/actions/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Entities for the form builder migrated from PDL. Not tested yet.
+ */
+package org.libreccm.formbuilder.actions;

ccm-core/src/main/java/org/libreccm/formbuilder/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Base entities for the form builder. Migrated from PDL, not tested yet.
+ */
+package org.libreccm.formbuilder;

ccm-core/src/main/java/org/libreccm/imexport/DependencyException.java

@@ -19,7 +19,9 @@
 package org.libreccm.imexport;
 
 /**
- *
+ * Thrown by the {@link AbstractEntityImExporter} if the something is wrong
+ * with the dependencies between entity types (eg circular dependencies).
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class DependencyException extends Exception {

ccm-core/src/main/java/org/libreccm/imexport/EntityImExporterTreeNode.java

@@ -24,7 +24,8 @@ import java.util.List;
 import java.util.Objects;
 
 /**
- *
+ * A node in the dependency tree managed by {@link EntityImExporterTreeManager}.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 final class EntityImExporterTreeNode {

ccm-core/src/main/java/org/libreccm/imexport/ExportException.java

@@ -20,7 +20,8 @@
 package org.libreccm.imexport;
 
 /**
- *
+ * Thrown if something goes wrong during an export.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class ExportException extends Exception {

ccm-core/src/main/java/org/libreccm/imexport/ImportExpection.java

@@ -20,7 +20,8 @@
 package org.libreccm.imexport;
 
 /**
- *
+ * Thrown if something goes wrong during an import process.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class ImportExpection extends Exception {

ccm-core/src/main/java/org/libreccm/imexport/ImportManifest.java

@@ -23,7 +23,8 @@ import java.util.Date;
 import java.util.List;
 
 /**
- *
+ * Java class containg the properties of an parsed import manifest. 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class ImportManifest {

ccm-core/src/main/java/org/libreccm/imexport/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * The classes in this package provide a facility from exporting and importing
+ * entities to and from CCM installation.
+ */
+package org.libreccm.imexport;

ccm-core/src/main/java/org/libreccm/jpa/AuditReaderProducer.java

@@ -27,7 +27,8 @@ import javax.inject.Inject;
 import javax.persistence.EntityManager;
 
 /**
- *
+ * CDI producer for the {@link AuditReader} of Hibernate Envers.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @ApplicationScoped

ccm-core/src/main/java/org/libreccm/jpa/EntityManagerProducer.java

@@ -6,7 +6,9 @@ import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 
 /**
- *
+ * CDI producer providing access to the JPA {@link EntityManager} using
+ * {@code @Inject}.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @ApplicationScoped

ccm-core/src/main/java/org/libreccm/jpa/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * General classes for JPA
+ */
+package org.libreccm.jpa;

ccm-core/src/main/java/org/libreccm/jpa/utils/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Utility classes for JPA.
+ */
+package org.libreccm.jpa.utils;

ccm-core/src/main/java/org/libreccm/l10n/GlobalizationHelper.java

@@ -43,6 +43,11 @@ import java.util.concurrent.Callable;
 import java.util.stream.Collectors;
 
 /**
+ * This CDI bean provides most functions for localization in CCM.
+ * 
+ * In addition to providing the negoiated locale is also provides some utility
+ * methods for working with {@link LocalizedString}.
+ * 
  * Provides the locale which has been selected based on the available languages
  * configured in the {@link KernelConfig}, the preferred languages of the client
  * provided an the request, the (optional) {@code lang} attribute in the current
@@ -95,8 +100,8 @@ public class GlobalizationHelper implements Serializable {
      *
      * First tries to get a value for the negotiated locale. If the
      * {@code localizedString} does not have a value for the negotiated locale
-     * the default locale set in {@link KernelConfig} is used. If that also
-     * values the first value available locale (ordered alphabetically) is used.
+     * the default locale set in {@link KernelConfig} is used. If that also failes
+     * the first value available locale (ordered alphabetically) is used.
      *
      * @param localizedString
      *
@@ -136,6 +141,16 @@ public class GlobalizationHelper implements Serializable {
             .getValue();
     }
 
+    /**
+     * Retrieve the value of a {@link LocalizedString} for the current locale.
+     * This variant allows it to provide a method which provides a fallback
+     * which is used when the localized string has no value for the current
+     * locale and the default locale.
+     * 
+     * @param localizedString
+     * @param fallbackProvider
+     * @return 
+     */
     public String getValueFromLocalizedString(
         final LocalizedString localizedString,
         final Callable<String> fallbackProvider) {
@@ -159,6 +174,11 @@ public class GlobalizationHelper implements Serializable {
         }
     }
 
+    /**
+     * Gets the negotiated locale.
+     * 
+     * @return 
+     */
     public Locale getNegotiatedLocale() {
 
         final KernelConfig kernelConfig = confManager.findConfiguration(
@@ -186,6 +206,11 @@ public class GlobalizationHelper implements Serializable {
         return preferred;
     }
 
+    /**
+     * Gets the locale selected by the user agent.
+     * 
+     * @return 
+     */
     public Locale getSelectedLocale() {
         // Get the current session, create one if there is none
         final HttpSession session = request.getSession(true);
@@ -215,6 +240,11 @@ public class GlobalizationHelper implements Serializable {
         return selected;
     }
 
+    /**
+     * Lists all available locales. 
+     * 
+     * @return All locales configured in the {@link KernelConfig}.
+     */
     public List<Locale> getAvailableLocales() {
 
         final KernelConfig kernelConfig = confManager
@@ -230,6 +260,11 @@ public class GlobalizationHelper implements Serializable {
             .collect(Collectors.toList());
     }
 
+    /**
+     * Sets the selected locale.
+     * 
+     * @param locale 
+     */
     public void setSelectedLocale(final Locale locale) {
 
         final HttpSession session = request.getSession(true);
@@ -310,6 +345,11 @@ public class GlobalizationHelper implements Serializable {
         return new GlobalizedMessagesUtil(bundleName);
     }
 
+    /**
+     * Helper function for converting a string to a locale. 
+     * @param language
+     * @return The locale, or null if the string is not a locale.
+     */
     private Locale scanLocale(final String language) {
         if (language == null || language.isEmpty()) {
             return null;

ccm-core/src/main/java/org/libreccm/l10n/L10NConstants.java

@@ -19,7 +19,8 @@
 package org.libreccm.l10n;
 
 /**
- *
+ * Constants for the classes in the {@link org.libreccm.l10n} package.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public final class L10NConstants {

ccm-core/src/main/java/org/libreccm/l10n/jaxb/LocalizedStringValue.java

@@ -20,6 +20,8 @@ package org.libreccm.l10n.jaxb;
 
 import static org.libreccm.l10n.L10NConstants.*;
 
+import org.libreccm.l10n.LocalizedString;
+
 import java.io.Serializable;
 import java.util.Objects;
 
@@ -29,7 +31,8 @@ import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlValue;
 
 /**
- *
+ * Simple bean class for the value of a {@link LocalizedString} used by JAXB.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @XmlAccessorType(XmlAccessType.FIELD)

ccm-core/src/main/java/org/libreccm/l10n/jaxb/LocalizedStringValues.java

@@ -21,6 +21,7 @@ package org.libreccm.l10n.jaxb;
 import static org.libreccm.l10n.L10NConstants.*;
 
 import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+import org.libreccm.l10n.LocalizedString;
 
 import java.io.Serializable;
 import java.util.ArrayList;
@@ -32,7 +33,8 @@ import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;
 
 /**
- *
+ * Simple bean class for the values of a {@link LocalizedString} used by JAXB.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @XmlAccessorType(XmlAccessType.FIELD)

ccm-core/src/main/java/org/libreccm/l10n/jaxb/package-info.java

@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Utility classes for processing {@link LocalizedString} with JAXB.
+ */
+package org.libreccm.l10n.jaxb;

ccm-core/src/main/java/org/libreccm/l10n/package-info.java

@@ -16,6 +16,9 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301  USA
  */
+/**
+ * This package provides several classes for localizing texts.
+ */
 @XmlSchema(xmlns = {@XmlNs(prefix = "l10n", namespaceURI = L10N_XML_NS)})
 @XmlAccessorType(XmlAccessType.NONE)
 package org.libreccm.l10n;

ccm-core/src/main/java/org/libreccm/messaging/Attachment.java

@@ -21,13 +21,24 @@ package org.libreccm.messaging;
 import org.libreccm.jpa.utils.MimeTypeConverter;
 
 import javax.activation.MimeType;
-import javax.persistence.*;
+
 import java.io.Serializable;
 import java.util.Arrays;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Convert;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.Lob;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/messaging/Message.java

@@ -23,7 +23,7 @@ import org.libreccm.jpa.utils.MimeTypeConverter;
 import org.libreccm.security.User;
 
 import javax.activation.MimeType;
-import javax.persistence.*;
+
 import java.io.Serializable;
 import java.util.Collections;
 import java.util.Date;
@@ -32,6 +32,18 @@ import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Convert;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.OneToOne;
+import javax.persistence.OrderBy;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/messaging/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Entities for messaging. Ported from PDL, old classes had no documentation.
+ * These might be removed.
+ */
+package org.libreccm.messaging;

ccm-core/src/main/java/org/libreccm/modules/InstalledModule.java

@@ -18,12 +18,18 @@
  */
 package org.libreccm.modules;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
 /**
  * A JPA entity bean for for installed modules table for use in the LibreCCM 
  * administration UI.

ccm-core/src/main/java/org/libreccm/notification/Digest.java

@@ -21,13 +21,20 @@ package org.libreccm.notification;
 import org.libreccm.core.CcmObject;
 import org.libreccm.security.Party;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
 /**
  *
  * Models the envelope information associated with a digest.

ccm-core/src/main/java/org/libreccm/notification/Notification.java

@@ -22,13 +22,20 @@ import org.libreccm.core.CcmObject;
 import org.libreccm.messaging.Message;
 import org.libreccm.security.Party;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
 /**
  *
  * The {@code Notification} class is used to create and send messages via email

ccm-core/src/main/java/org/libreccm/notification/QueueItem.java

@@ -21,12 +21,20 @@ package org.libreccm.notification;
 import org.libreccm.messaging.Message;
 import org.libreccm.security.Party;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
 /**
  * Represents a notification that has been transferred to the outbound message
  * queue. During processing, this class is used to retrieve information
@@ -202,13 +210,13 @@ public class QueueItem implements Serializable {
     @Override
     public String toString() {
         return String.format("%s{ "
-                                     + "queueItemId = %d, "
-                                     + "receiver = %s, "
-                                     + "retryCount = %d, "
-                                     + "successful = %b, "
-                                     + "receiverAddress = \"%s\", "
-                                     + "message = %s"
-                                     + " }",
+                                 + "queueItemId = %d, "
+                                 + "receiver = %s, "
+                                 + "retryCount = %d, "
+                                 + "successful = %b, "
+                                 + "receiverAddress = \"%s\", "
+                                 + "message = %s"
+                                 + " }",
                              super.toString(),
                              queueItemId,
                              Objects.toString(receiver),

ccm-core/src/main/java/org/libreccm/notification/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Entites for the notificiation system of CCM. Ported from CCM
+ * ToDo: Check if these entities are still of use. If no remove them
+ */
+package org.libreccm.notification;

ccm-core/src/main/java/org/libreccm/portal/Portlet.java

@@ -20,12 +20,17 @@ package org.libreccm.portal;
 
 import org.libreccm.core.Resource;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
 /**
  *
  *

ccm-core/src/main/java/org/libreccm/portal/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Entities for building portals. Ported from PDL. 
+ * 
+ * ToDo: Check if these entities are still useful. If not remove them.
+ */
+package org.libreccm.portal;

ccm-core/src/main/java/org/libreccm/runtime/Initalizer.java

@@ -18,7 +18,7 @@
  */
 package org.libreccm.runtime;
 
-import javax.persistence.*;
+
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -27,6 +27,17 @@ import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.OneToMany;
+import javax.persistence.OrderBy;
+import javax.persistence.Table;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/search/lucene/Document.java

@@ -20,13 +20,24 @@ package org.libreccm.search.lucene;
 
 import org.libreccm.security.User;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.Lob;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/search/lucene/Index.java

@@ -20,12 +20,20 @@ package org.libreccm.search.lucene;
 
 import org.libreccm.web.Host;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
 /**
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>

ccm-core/src/main/java/org/libreccm/search/lucene/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2020 LibreCCM Foundation.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301  USA
+ */
+/**
+ * Entities ported from the old CCM search system. 
+ * 
+ * ToDo: Check if still useful. Refactor or remove if necssary.
+ */
+package org.libreccm.search.lucene;

ccm-core/src/main/java/org/libreccm/security/CcmJwtAuthentication.java

@@ -25,7 +25,8 @@ import javax.ws.rs.ApplicationPath;
 import javax.ws.rs.core.Application;
 
 /**
- *
+ * JAX-RS application for authenticating via JSON Web Token
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @ApplicationPath("/jwt")

ccm-core/src/main/java/org/libreccm/security/ChallengeFailedException.java

@@ -20,7 +20,8 @@
 package org.libreccm.security;
 
 /**
- *
+ * Thrown if a challenge for user activation or password reset fails.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class ChallengeFailedException extends Exception {

ccm-core/src/main/java/org/libreccm/security/ChallengeManager.java

@@ -23,6 +23,7 @@ import com.arsdigita.mail.Mail;
 import com.arsdigita.ui.login.LoginConstants;
 import com.arsdigita.web.ParameterMap;
 import com.arsdigita.web.URL;
+
 import org.apache.commons.lang.text.StrSubstitutor;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -32,11 +33,16 @@ import org.libreccm.core.CoreConstants;
 import org.libreccm.l10n.GlobalizationHelper;
 import org.libreccm.l10n.LocalizedString;
 
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+import java.util.Objects;
+
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 import javax.mail.MessagingException;
 import javax.servlet.http.HttpServletRequest;
-import java.util.*;
 
 import static com.arsdigita.ui.login.LoginServlet.*;
 

ccm-core/src/main/java/org/libreccm/security/GroupImExporter.java

@@ -31,7 +31,8 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for {@link Group}s.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/security/GroupMembership.java

@@ -35,7 +35,6 @@ import com.fasterxml.jackson.annotation.ObjectIdGenerators;
 import org.libreccm.imexport.Exportable;
 
 import javax.json.Json;
-import javax.json.JsonObject;
 import javax.json.JsonObjectBuilder;
 import javax.persistence.Column;
 import javax.persistence.Entity;

ccm-core/src/main/java/org/libreccm/security/GroupMembershipImExporter.java

@@ -30,12 +30,15 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
+ * Exporter/Importer for {@link GroupMembership} entities.
+ *
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Processes(GroupMembership.class)
-public class GroupMembershipImExporter extends AbstractEntityImExporter<GroupMembership> {
-
+public class GroupMembershipImExporter 
+    extends AbstractEntityImExporter<GroupMembership> {
+    
     @Inject
     private EntityManager entityManager;
 
@@ -44,14 +47,14 @@ public class GroupMembershipImExporter extends AbstractEntityImExporter<GroupMem
 
         return GroupMembership.class;
     }
-    
+
     @Override
     protected Set<Class<? extends Exportable>> getRequiredEntities() {
-        
+
         final Set<Class<? extends Exportable>> entities = new HashSet<>();
         entities.add(User.class);
         entities.add(Group.class);
-        
+
         return entities;
     }
 

ccm-core/src/main/java/org/libreccm/security/JwtProvider.java

@@ -49,6 +49,7 @@ import javax.transaction.Transactional;
 import javax.ws.rs.POST;
 
 /**
+ * JAX-RS endpoint for generating JSON Web Tokens for authenticiation.
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
@@ -62,6 +63,16 @@ public class JwtProvider {
     @Inject
     private Shiro shiro;
 
+    /**
+     * Generates a new JSON Web Token
+     *
+     * @param requestCredentials Credentials for authentication as JSON object
+     *                           with the properties {@code username} and
+     *                           {@code password}.
+     *
+     * @return A response with the JSON Web Token for a Forbidden response if
+     *         the credentials are incorrect.
+     */
     @POST
     @Path("/")
     @Transactional(Transactional.TxType.REQUIRED)
@@ -74,7 +85,6 @@ public class JwtProvider {
                 .build();
         }
 
-        final JsonObjectBuilder jsonObjBuilder = Json.createObjectBuilder();
         final StringReader credentialsReader = new StringReader(
             requestCredentials);
         final JsonReader jsonReader = Json.createReader(credentialsReader);
@@ -139,6 +149,12 @@ public class JwtProvider {
         }
     }
 
+    /**
+     * Helper method for generating a secret for the JSON Web Tokens. 
+     * 
+     * Only called if no secret if found in the {@link KernelConfig}. The secret
+     * is stored in the {@link KernelConfig}.
+     */
     private void generateSecret() {
         final Random random = new SecureRandom();
         final byte[] randomBytes = new byte[64];

ccm-core/src/main/java/org/libreccm/security/JwtVerifyingFilter.java

@@ -37,7 +37,8 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 /**
- *
+ * Shiro filter using JSON Web Tokens for authenticiation.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public class JwtVerifyingFilter extends AccessControlFilter {
@@ -62,8 +63,9 @@ public class JwtVerifyingFilter extends AccessControlFilter {
 
         final String jwtClaims = jwt.substring(jwt.indexOf((" ")));
         final Claims claims = Jwts
-            .parser()
+            .parserBuilder()
             .setSigningKey(key)
+            .build()
             .parseClaimsJws(jwtClaims)
             .getBody();
 

ccm-core/src/main/java/org/libreccm/security/OneTimeAuthToken.java

@@ -18,13 +18,27 @@
  */
 package org.libreccm.security;
 
-import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 import java.util.Objects;
 
 import static org.libreccm.core.CoreConstants.DB_SCHEMA;
 
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.EnumType;
+import javax.persistence.Enumerated;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.NamedQueries;
+import javax.persistence.NamedQuery;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+import javax.persistence.Temporal;
+import javax.persistence.TemporalType;
+
 /**
  * The {@code OneTimeAuthToken} is used as a one time authentication mechanism
  * for several purposes. Usually a {@link OneTimeAuthToken} is used together

ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java

@@ -29,6 +29,7 @@ import java.io.Serializable;
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/23/17
  */
+@Deprecated
 @RequestScoped
 public class PartyIdResolver implements Serializable, ObjectIdResolver {
     private static final long serialVersionUID = -1208121020457080214L;

ccm-core/src/main/java/org/libreccm/security/Permission.java

@@ -55,7 +55,8 @@ import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 
 /**
- * A permission grants a privilege on an object or system wide to {@link Role}.
+ * A permission grants a privilege on an object or system wide to a
+ * {@link Role}.
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
@@ -63,48 +64,40 @@ import javax.persistence.TemporalType;
 @Table(name = "PERMISSIONS", schema = DB_SCHEMA)
 @NamedQueries({
     @NamedQuery(name = "Permission.findByUuid",
-                query = "SELECT p FROM Permission p WHERE p.uuid = :uuid")
-    ,
+                query = "SELECT p FROM Permission p WHERE p.uuid = :uuid"),
     @NamedQuery(name = "Permission.findByCustomPermId",
                 query = "SELECT p FROM Permission p "
                             + "WHERE p.grantedPrivilege = :privilege "
                             + "AND p.grantee = :grantee "
-                            + "AND p.object = :object")
-    ,
+                            + "AND p.object = :object"),
     @NamedQuery(name = "Permission.existsForPrivilegeRoleObject",
                 query = "SELECT COUNT(p) FROM Permission p "
                             + "WHERE p.grantedPrivilege = :privilege "
                             + "AND p.grantee = :grantee "
-                            + "AND p.object = :object")
-    ,
+                            + "AND p.object = :object"),
     @NamedQuery(name = "Permission.existsDirectForPrivilegeRoleObject",
                 query = "SELECT COUNT(p) FROM Permission p "
                             + "WHERE p.grantedPrivilege = :privilege "
                             + "AND p.grantee = :grantee "
                             + "AND p.object = :object "
-                            + "AND p.inherited = false")
-    ,
+                            + "AND p.inherited = false"),
     @NamedQuery(name = "Permission.existsInheritedForPrivilegeRoleObject",
                 query = "SELECT COUNT(p) FROM Permission p "
                             + "WHERE p.grantedPrivilege = :privilege "
                             + "AND p.grantee = :grantee "
                             + "AND p.object = :object "
-                            + "AND p.inherited = true")
-    ,
+                            + "AND p.inherited = true"),
     @NamedQuery(name = "Permission.existsForPrivilegeAndRole",
                 query = "SELECT COUNT(p) FROM Permission p "
                             + "WHERE p.grantedPrivilege = :privilege "
                             + "AND p.grantee = :grantee "
-                            + "AND p.object IS NULL")
-    ,
+                            + "AND p.object IS NULL"),
     @NamedQuery(name = "Permission.findPermissionsForRole",
                 query = "SELECT p FROM Permission p "
-                            + "WHERE p.grantee = :grantee")
-    ,
+                            + "WHERE p.grantee = :grantee"),
     @NamedQuery(name = "Permission.findPermissionsForCcmObject",
                 query = "SELECT p FROM Permission p "
-                            + "WHERE p.object = :object")
-    ,
+                            + "WHERE p.object = :object"),
     @NamedQuery(name = "Permission.findPermissionsForRoleAndObject",
                 query = "SELECT p FROM Permission p "
                             + "WHERE p.object = :object and p.grantee = :grantee")

ccm-core/src/main/java/org/libreccm/security/PermissionIdResolver.java

@@ -27,9 +27,10 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/23/17
  */
+@Deprecated
 @RequestScoped
 public class PermissionIdResolver implements Serializable, ObjectIdResolver {
     private static final long serialVersionUID = -8397366681202009916L;

ccm-core/src/main/java/org/libreccm/security/PermissionImExporter.java

@@ -29,7 +29,8 @@ import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 
 /**
- *
+ * Exporter/Importer for {@link Permission}s.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/security/PermissionRepository.java

@@ -30,7 +30,7 @@ import java.util.UUID;
 /**
  * A repository class for {@link Permission}.
  *
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/29/17
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/security/RequiresPrivilege.java

@@ -20,7 +20,11 @@ package org.libreccm.security;
 
 import org.libreccm.core.CcmObject;
 
-import java.lang.annotation.*;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Inherited;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
 
 /**
  * This annotation is used together with the {@link AuthorizationRequired}

ccm-core/src/main/java/org/libreccm/security/Role.java

@@ -22,7 +22,6 @@ import com.fasterxml.jackson.annotation.JsonIdentityInfo;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.ObjectIdGenerators;
 import org.hibernate.search.annotations.Field;
-import org.hibernate.validator.constraints.NotBlank;
 import org.libreccm.l10n.LocalizedString;
 import org.libreccm.workflow.TaskAssignment;
 
@@ -57,6 +56,7 @@ import javax.persistence.NamedQuery;
 import javax.persistence.OneToMany;
 import javax.persistence.OrderBy;
 import javax.persistence.Table;
+import javax.validation.constraints.NotBlank;
 import javax.xml.bind.annotation.XmlAccessType;
 import javax.xml.bind.annotation.XmlAccessorType;
 import javax.xml.bind.annotation.XmlElement;

ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java

@@ -26,9 +26,10 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/23/17
  */
+@Deprecated
 @RequestScoped
 public class RoleIdResolver implements Serializable, ObjectIdResolver {
     private static final long serialVersionUID = -1651704701257277011L;

ccm-core/src/main/java/org/libreccm/security/RoleImExporter.java

@@ -28,7 +28,8 @@ import java.util.Set;
 import javax.inject.Inject;
 
 /**
- *
+ * Exporter/Importer for {@link Role}s.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Processes(Role.class)

ccm-core/src/main/java/org/libreccm/security/RoleManager.java

@@ -37,8 +37,8 @@ import java.util.UUID;
 import java.util.stream.Collectors;
 
 /**
- * Manager for roles providing methods for assigning the role the {@link Party}
- * entities and for removing them.
+ * Manager for roles providing methods for assigning the role and adding and
+ * removing {@link Party} entities entities to the role and for removing them.
  *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */

ccm-core/src/main/java/org/libreccm/security/RoleMembershipImExporter.java

@@ -30,7 +30,8 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for {@link RoleMembership}s.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @Processes(RoleMembership.class)

ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java

@@ -29,6 +29,7 @@ import java.io.Serializable;
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
+@Deprecated
 @RequestScoped
 public class UserIdResolver implements Serializable, ObjectIdResolver {
     

ccm-core/src/main/java/org/libreccm/security/UserImExporter.java

@@ -31,7 +31,8 @@ import javax.persistence.EntityManager;
 import javax.transaction.Transactional;
 
 /**
- *
+ * Exporter/Importer for users.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/security/UserManager.java

@@ -44,7 +44,6 @@ import java.io.Serializable;
 /**
  * Provides various operations for user objects.
  *
- *
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/security/UsersApi.java

@@ -42,7 +42,8 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.Response;
 
 /**
- *
+ * Unstable! First try for a RESTful API for user management. 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/themes/StaticThemesServlet.java

@@ -34,7 +34,8 @@ import java.io.PrintWriter;
 import java.util.Set;
 
 /**
- *
+ * Serves static theme resources from the classpath.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @WebServlet(urlPatterns = {"/themes/static/*"})

ccm-core/src/main/java/org/libreccm/theming/FileSystemThemeProvider.java

@@ -38,15 +38,15 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
 
 /**
- *
+ * {@link ThemeProvider} implementation that loads themes from the file system
+ * using {@link CcmFiles}.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/theming/StaticThemeProvider.java

@@ -53,7 +53,9 @@ import javax.json.JsonObject;
 import javax.json.JsonReader;
 
 /**
- *
+ * Implementation of {@link ThemeProvider} for serves themes stored in the 
+ * classpath.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped

ccm-core/src/main/java/org/libreccm/theming/ThemeConstants.java

@@ -19,7 +19,8 @@
 package org.libreccm.theming;
 
 /**
- *
+ * Some constants for the classes managing themes.
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 public final class ThemeConstants {

ccm-core/src/main/java/org/libreccm/theming/ThemeFiles.java

@@ -36,7 +36,9 @@ import javax.ws.rs.core.Response;
 
 
 /**
- *
+ * JAX-RS endpoint for serving files from a theme.
+ * 
+ * 
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped