CCM NG:

- Deliver theme files using JAX-RS
- ACSObjectCategoryForm now works again (#2800)


git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@5218 8810af33-2d31-482b-a856-94f89814c4df

ccm-core/src/main/java/com/arsdigita/categorization/ui/ACSObjectCategoryController.java

@@ -27,6 +27,7 @@ import org.libreccm.core.CcmObjectRepository;
 
 import java.util.List;
 import java.util.Objects;
+import java.util.Optional;
 import java.util.stream.Collectors;
 
 import javax.enterprise.context.RequestScoped;
@@ -42,10 +43,10 @@ class ACSObjectCategoryController {
 
     @Inject
     private CategoryRepository categoryRepo;
-    
+
     @Inject
     private CategoryManager categoryManager;
-    
+
     @Inject
     private CcmObjectRepository ccmObjectRepo;
 
@@ -81,19 +82,19 @@ class ACSObjectCategoryController {
                     object.getObjectId())));
 
         final Category cat = categoryRepo
-        .findById(category.getObjectId())
-        .orElseThrow(() -> new IllegalArgumentException(String
+            .findById(category.getObjectId())
+            .orElseThrow(() -> new IllegalArgumentException(String
             .format("No Category with ID %d in the database.",
                     category.getObjectId())));
-        
+
         categoryManager.addObjectToCategory(ccmObject, cat);
     }
-    
+
     @Transactional(Transactional.TxType.REQUIRED)
     protected void removeObjectFromCategory(final CcmObject object,
-                                            final Category category) 
+                                            final Category category)
         throws ObjectNotAssignedToCategoryException {
-        
+
         Objects.requireNonNull(object);
         Objects.requireNonNull(category);
 
@@ -104,12 +105,24 @@ class ACSObjectCategoryController {
                     object.getObjectId())));
 
         final Category cat = categoryRepo
-        .findById(category.getObjectId())
-        .orElseThrow(() -> new IllegalArgumentException(String
+            .findById(category.getObjectId())
+            .orElseThrow(() -> new IllegalArgumentException(String
             .format("No Category with ID %d in the database.",
                     category.getObjectId())));
-        
+
         categoryManager.removeObjectFromCategory(ccmObject, cat);
     }
 
+    @Transactional(Transactional.TxType.REQUIRED)
+    protected long getParentCategoryId(final Category forCategory) {
+
+        final Category category = categoryRepo
+            .findById(forCategory.getObjectId())
+            .orElseThrow(() -> new IllegalArgumentException(String
+            .format("No Category with ID %d in the database.",
+                    forCategory.getObjectId())));
+
+        return category.getParentCategory().getObjectId();
+    }
+
 }

ccm-core/src/main/java/com/arsdigita/categorization/ui/ACSObjectCategoryForm.java

@@ -194,7 +194,11 @@ public abstract class ACSObjectCategoryForm extends Form {
                                  final Category category) {
 
         if (category.getParentCategory() != null) {
-            ancestorCats.add(category.getParentCategory().getObjectId());
+            final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            final ACSObjectCategoryController controller = cdiUtil
+                .findBean(ACSObjectCategoryController.class);
+            ancestorCats
+                .add(controller.getParentCategoryId(category));
         }
 
     }

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

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2018 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
+ */
+package org.libreccm.theming;
+
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import javax.enterprise.context.RequestScoped;
+import javax.inject.Inject;
+import javax.ws.rs.GET;
+import javax.ws.rs.NotFoundException;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.WebApplicationException;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@RequestScoped
+@Path("/{theme}")
+public class ThemeFiles {
+
+    @Inject
+    private Themes themes;
+
+    @GET
+    @Path("/{path}")
+    public Response getFile(@PathParam("theme") final String theme,
+                            @PathParam("path") final String path) {
+
+        final ThemeInfo info = themes
+            .getTheme(theme, ThemeVersion.LIVE)
+            .orElseThrow(() -> new NotFoundException(String
+            .format("Theme \"%s\" does not exist.", theme)));
+
+        final InputStream inputStream = themes
+            .getFileFromTheme(info, path)
+            .orElseThrow(() -> new NotFoundException(String
+            .format("The file \"%s\" does exist in the theme \"%s\".",
+                    path,
+                    theme)));
+
+        final MediaType mediaType = getMediaTypeFromPath(path);
+
+        final BufferedReader reader = new BufferedReader(
+            new InputStreamReader(inputStream));
+        final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        try {
+            int value = reader.read();
+            while (value != -1) {
+                outputStream.write(value);
+                value = reader.read();
+            }
+        } catch (IOException ex) {
+            throw new WebApplicationException(ex);
+        }
+        
+        final byte[] data = outputStream.toByteArray();
+        return Response.ok(data, mediaType).build();
+    }
+
+    private MediaType getMediaTypeFromPath(final String path) {
+
+        if (path.endsWith(".css")) {
+            return new MediaType("text", "css");
+        } else {
+            return MediaType.WILDCARD_TYPE;
+        }
+
+    }
+
+}

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

@@ -23,6 +23,7 @@ import org.apache.logging.log4j.Logger;
 import org.libreccm.core.UnexpectedErrorException;
 import org.libreccm.pagemodel.PageModel;
 
+import java.io.InputStream;
 import java.io.Serializable;
 import java.util.ArrayList;
 import java.util.List;
@@ -144,4 +145,36 @@ public class Themes implements Serializable {
         return processor.process(page, theme, provider);
     }
 
+    /**
+     * Retrieve a file from a theme using the {@link ThemeProvider} for the
+     * theme.
+     *
+     * @param theme The theme from which the file is retrieved.
+     * @param path  The path of the file relative to the root directory of the
+     *              theme.
+     *
+     * @return An {@link Optional} containing an {@link InputStream} for reading
+     *         the contents of the file or an empty {@link Optional} if the file
+     *         was not found.
+     */
+    public Optional<InputStream> getFileFromTheme(final ThemeInfo theme,
+                                                  final String path) {
+
+        final Instance<? extends ThemeProvider> forTheme = providers.select(
+            theme.getProvider());
+
+        if (forTheme.isUnsatisfied()) {
+            LOGGER.error("ThemeProvider \"{}\" not found.",
+                         theme.getProvider().getName());
+            throw new UnexpectedErrorException(String.format(
+                "ThemeProvider \"%s\" not found.",
+                theme.getProvider().getName()));
+        }
+
+        final ThemeProvider provider = forTheme.get();
+        return provider.getThemeFileAsStream(theme.getName(),
+                                             theme.getVersion(),
+                                             path);
+    }
+
 }

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

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2018 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
+ */
+package org.libreccm.theming;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.ws.rs.ApplicationPath;
+import javax.ws.rs.core.Application;
+
+/**
+ *
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ */
+@ApplicationPath("/theming")
+public class ThemesService extends Application {
+
+    @Override
+    public Set<Class<?>> getClasses() {
+
+        final Set<Class<?>> classes = new HashSet<>();
+        classes.add(ThemeFiles.class);
+        
+        return classes;
+    }
+
+}

ccm-core/src/main/resources/themes/ccm/category-page.xsl

@@ -4,31 +4,36 @@
                 xmlns:ccm="http://xmlns.libreccm.org"
                 exclude-result-prefixes="ccm xsl">
 
-     <xsl:output method="html"
-                doctype-system="about:legacy-compat"
-                indent="yes"
-                encoding="utf-8"/>
+    <xsl:output method="html"
+                 doctype-system="about:legacy-compat"
+                 indent="yes"
+                 encoding="utf-8"/>
     
     <xsl:template match="page">
         
         <html>
             <head>
                 <title>Category page</title>
-                <link rel="stylesheet" href="/themes/ccm/style.css" />
+                <link rel="stylesheet" href="{ccm:getContextPath()}/theming/ccm/style.css" />
             </head>
             <body>
                 <main>
                     <ul class="news">
                         <xsl:for-each select="/page/newsList/items">
-                            <span>
-                                <pre>
-                                    <xsl:value-of select="count(./attachments[name='.images']/attachments[1])" />
-                                </pre>
-                                <img src="/content-sections/info/images/{./attachments[name='.images']/attachments[0]/asset/uuid}" width="354" height="286" alt="" />
-                            </span>
-                            <span>
-                                <xsl:value-of select="./title" />
-                            </span>
+                            <li>
+                                <span>
+                                    <!--<pre>
+                                        <xsl:value-of select="count(./attachments[name='.images']/attachments[1])" />
+                                    </pre>-->
+                                    <img src="{ccm:getContextPath()}/content-sections/info/images/uuid-{./attachments[name='.images']/attachments[1]/asset/uuid}" 
+                                         width="354" 
+                                         height="286" 
+                                         alt="" />
+                                </span>
+                                <span>
+                                    <xsl:value-of select="./title" />
+                                </span>
+                            </li>
                         </xsl:for-each>
                     </ul>
                     <div class="boxes">
@@ -38,7 +43,7 @@
                                     <xsl:value-of select="./title" />
                                 </h1>
                                 <p>
-                                    <img src="/content-sections/info/images/{./attachments[name='.images']/attachments[0]/asset/uuid}" alt="" />
+                                    <img src="{ccm:getContextPath()}/content-sections/info/images/uuid-{./attachments[name='.images']/attachments[1]/asset/uuid}" alt="" />
                                     <xsl:value-of select="./description" />
                                 </p>
                             </div>