CCM NG:

* listThemeFiles implementation for StaticThemeProvider
* profind method for Themes WebDAV service


git-svn-id: https://svn.libreccm.org/ccm/ccm_ng@5435 8810af33-2d31-482b-a856-94f89814c4df

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

@@ -28,7 +28,6 @@ import org.reflections.scanners.ResourcesScanner;
 import org.reflections.util.ClasspathHelper;
 import org.reflections.util.ConfigurationBuilder;
 
-import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -36,15 +35,13 @@ import java.net.URI;
 import java.net.URL;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
-import java.util.Enumeration;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
 import java.util.Set;
-import java.util.logging.Level;
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 
@@ -54,6 +51,8 @@ import javax.json.Json;
 import javax.json.JsonArray;
 import javax.json.JsonObject;
 import javax.json.JsonReader;
+import javax.json.JsonStructure;
+import javax.json.JsonValue;
 
 /**
  *
@@ -271,7 +270,7 @@ public class StaticThemeProvider implements ThemeProvider {
                 "The name of the theme can't be empty.");
         }
 
-        final String[] pathTokens = path.split("/");
+        final List<String> pathTokens = Arrays.asList(path.split("/"));
 
         final String indexFilePath = String.format("/"
                                                        + THEMES_PACKAGE
@@ -281,11 +280,30 @@ public class StaticThemeProvider implements ThemeProvider {
             .getResourceAsStream(indexFilePath);
         final JsonReader reader = Json.createReader(stream);
         final JsonObject indexObj = reader.readObject();
-        final JsonArray filesArray = indexObj.getJsonArray("files");
+        final JsonArray currentDir = indexObj.getJsonArray("files");
-        filesArray
+        currentDir.forEach(value -> LOGGER.warn(value.toString()));
-            .forEach(value -> LOGGER.warn(value.toString()));
         
-        throw new UnsupportedOperationException();
+        final Optional<JsonObject> targetFile = findFile(pathTokens, 
+                                                         currentDir);
+        
+        final List<ThemeFileInfo> result;
+        if (targetFile.isPresent()) {
+            if (targetFile.get().getBoolean("isDirectory")) {
+                final JsonArray files = targetFile.get().getJsonArray("files");
+                result = files
+                    .stream()
+                    .map(value -> generateFileInfo((JsonObject) value))
+                    .collect(Collectors.toList());
+            } else {
+                final ThemeFileInfo fileInfo = generateFileInfo(
+                    targetFile.get());
+                result = new ArrayList<>();
+                result.add(fileInfo);
+            }
+        } else {
+            result = Collections.emptyList();
+        }
+        return result;
     }
 
     @Override
@@ -379,4 +397,59 @@ public class StaticThemeProvider implements ThemeProvider {
         return Files.exists(manifestPathJson) || Files.exists(manifestPathXml);
     }
 
+    private Optional<JsonObject> findFile(final List<String> path,
+                                          final JsonArray currentDirectory) {
+
+        Objects.requireNonNull(path);
+        Objects.requireNonNull(currentDirectory);
+
+        if (path.isEmpty()) {
+            return Optional.empty();
+        }
+
+        final String fileName = path.get(0);
+
+        final Optional<JsonObject> fileData = currentDirectory
+                .stream()
+                .map(value -> (JsonObject) value)
+                .filter(value -> filterFileData(value, fileName))
+                .findAny();
+        if (path.size() == 1) {
+            return fileData;
+        } else {
+            
+            if (fileData.get().getBoolean("isDirectory")) {
+                return findFile(path.subList(1, path.size()), 
+                                fileData.get().getJsonArray("files"));
+            } else {
+                return Optional.empty();
+            }
+        }
+    }
+
+    private boolean filterFileData(final JsonObject fileData,
+                                   final String fileName) {
+        return fileData.getString("name").equals(fileName);
+    }
+
+    private ThemeFileInfo generateFileInfo(final JsonObject fileData) {
+
+        Objects.requireNonNull(fileData);
+
+        final ThemeFileInfo fileInfo = new ThemeFileInfo();
+        fileInfo.setName(fileData.getString("name"));
+        if (fileData.getBoolean("isDirectory")) {
+            fileInfo.setDirectory(true);
+        } else {
+            fileInfo.setDirectory(false);
+            fileInfo.setMimeType(fileData.getString("mimeType"));
+        }
+        fileInfo.setWritable(false);
+        if (fileData.getJsonNumber("size") != null) {
+            fileInfo.setSize(fileData.getJsonNumber("size").longValue());
+        }
+
+        return fileInfo;
+    }
+
 }

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

@@ -41,6 +41,7 @@ import org.libreccm.theming.ThemeInfo;
 import org.libreccm.theming.ThemeVersion;
 import org.libreccm.theming.Themes;
 import org.libreccm.webdav.ResponseStatus;
+import org.libreccm.webdav.xml.elements.Collection;
 import org.libreccm.webdav.xml.elements.HRef;
 import org.libreccm.webdav.xml.elements.MultiStatus;
 import org.libreccm.webdav.xml.elements.Prop;
@@ -51,11 +52,12 @@ import org.libreccm.webdav.xml.properties.DisplayName;
 import org.libreccm.webdav.xml.properties.GetContentLength;
 import org.libreccm.webdav.xml.properties.GetContentType;
 
-import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.stream.Collectors;
 
+import javax.servlet.ServletContext;
+import javax.servlet.http.HttpServletRequest;
 import javax.ws.rs.OPTIONS;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.UriInfo;
@@ -72,6 +74,12 @@ public class ThemeFiles {
     @Inject
     private Themes themes;
 
+    @Inject
+    private ServletContext servletContext;
+    
+    @Inject
+    private HttpServletRequest request;
+    
     @GET
     @Path("/{path}")
     public Response getFile(@PathParam("theme") final String theme,
@@ -137,9 +145,14 @@ public class ThemeFiles {
         final List<ThemeFileInfo> fileInfos = themes.listThemesFiles(themeInfo,
                                                                      path);
         final MultiStatus result;
-        if (fileInfos.size() == 1) {
+        if (fileInfos.isEmpty()) {
+            throw new NotFoundException(String.format(
+                "No file \"%s\" in theme \"%s\".",
+                path,
+                theme));
+        } else if (fileInfos.size() == 1) {
 
-            final ThemeFileInfo fileInfo = fileInfos.get(1);
+            final ThemeFileInfo fileInfo = fileInfos.get(0);
 
             result = new MultiStatus(buildWebDavResponse(fileInfo, uriInfo));
 
@@ -150,7 +163,7 @@ public class ThemeFiles {
                 null,
                 null,
                 new PropStat(new Prop(new DisplayName(path),
-                                      org.libreccm.webdav.xml.elements.Collection.COLLECTION),
+                                      Collection.COLLECTION),
                              new Status(javax.ws.rs.core.Response.Status.OK)));
 
             final List<WebDavResponse> responses = new LinkedList<>();
@@ -158,8 +171,8 @@ public class ThemeFiles {
 
             final List<WebDavResponse> fileResponses = fileInfos
                 .stream()
-            .map(fileInfo -> buildWebDavResponse(fileInfo, uriInfo))
+                .map(fileInfo -> buildWebDavResponse(path, fileInfo))
-            .collect(Collectors.toList());
+                .collect(Collectors.toList());
             responses.addAll(fileResponses);
 
             result = new MultiStatus(responses.toArray(new WebDavResponse[]{}));
@@ -174,11 +187,18 @@ public class ThemeFiles {
     private WebDavResponse buildWebDavResponse(final ThemeFileInfo fileInfo,
                                                final UriInfo uriInfo) {
 
-        final PropStat propStat = new PropStat(
+        final PropStat propStat;
-            new Prop(new DisplayName(fileInfo.getName()),
+        if (fileInfo.isDirectory()) {
-                     new GetContentLength(fileInfo.getSize()),
+            propStat = new PropStat(
-                     new GetContentType(fileInfo.getMimeType())),
+                new Prop(new DisplayName(fileInfo.getName())),
-            new Status(javax.ws.rs.core.Response.Status.OK));
+                new Status(javax.ws.rs.core.Response.Status.OK));
+        } else {
+            propStat = new PropStat(
+                new Prop(new DisplayName(fileInfo.getName()),
+                         new GetContentLength(fileInfo.getSize()),
+                         new GetContentType(fileInfo.getMimeType())),
+                new Status(javax.ws.rs.core.Response.Status.OK));
+        }
 
         final WebDavResponse response = new WebDavResponse(
             new HRef(uriInfo.getRequestUri()),
@@ -190,6 +210,38 @@ public class ThemeFiles {
         return response;
     }
     
+    private WebDavResponse buildWebDavResponse(final String basePath,
+                                               final ThemeFileInfo fileInfo) {
+        
+        final PropStat propStat;
+        if (fileInfo.isDirectory()) {
+            propStat = new PropStat(
+                new Prop(new DisplayName(fileInfo.getName())),
+                new Status(javax.ws.rs.core.Response.Status.OK));
+        } else {
+            propStat = new PropStat(
+                new Prop(new DisplayName(fileInfo.getName()),
+                         new GetContentLength(fileInfo.getSize()),
+                         new GetContentType(fileInfo.getMimeType())),
+                new Status(javax.ws.rs.core.Response.Status.OK));
+        }
+
+        final WebDavResponse response = new WebDavResponse(
+            new HRef(String.format("%s://%s:%d%s/DAV/themes/%s/%s",
+                                   request.getScheme(),
+                                   request.getServerName(),
+                                   request.getServerPort(),
+                                   servletContext.getContextPath(),
+                                   basePath,
+                                   fileInfo.getName())),
+            null,
+            null,
+            null,
+            propStat);
+
+        return response;
+    }
+
     private MediaType getMediaTypeFromPath(final String path) {
 
         if (path.endsWith(".css")) {

ccm-core/src/main/java/org/libreccm/theming/webdav/WebDAV.java

@@ -18,11 +18,17 @@
  */
 package org.libreccm.theming.webdav;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.libreccm.core.UnexpectedErrorException;
+import org.libreccm.webdav.xml.WebDavContextResolver;
+
 import java.util.HashSet;
 import java.util.Set;
 
 import javax.ws.rs.ApplicationPath;
 import javax.ws.rs.core.Application;
+import javax.xml.bind.JAXBException;
 
 /**
  *
@@ -31,6 +37,8 @@ import javax.ws.rs.core.Application;
 @ApplicationPath("/DAV/themes")
 public class WebDAV extends Application {
 
+    private static final Logger LOGGER = LogManager.getLogger(WebDAV.class);
+    
     @Override
     public Set<Class<?>> getClasses() {
 
@@ -40,4 +48,20 @@ public class WebDAV extends Application {
         return classes;
     }
 
+    @Override
+    public Set<Object> getSingletons() {
+
+        LOGGER.warn("Adding singletons...");
+        
+        final HashSet<Object> singletons = new HashSet<>();
+        try {
+            singletons.add(new WebDavContextResolver());
+        } catch (JAXBException ex) {
+            throw new UnexpectedErrorException(ex);
+        }
+
+        LOGGER.warn("Added singletons");
+        return singletons;
+    }
+
 }

ccm-core/src/main/java/org/libreccm/webdav/conditions/PropFindFiniteDepth.java

@@ -61,7 +61,7 @@ public final class PropFindFiniteDepth {
         // For unmarshalling only.
     }
 
-    private static PropFindFiniteDepth createInstance() {
+    private static PropFindFiniteDepth createSingleton() {
         return PROPFIND_FINITE_DEPTH;
     }
     

ccm-core/src/main/java/org/libreccm/webdav/xml/WebDavContextResolver.java

@@ -60,6 +60,12 @@ public class WebDavContextResolver implements ContextResolver<JAXBContext> {
 
     private final JAXBIntrospector introspector;
 
+    public WebDavContextResolver() throws JAXBException {
+        
+        this.context = WebDavJAXBContextBuilder.build();
+        this.introspector = this.context.createJAXBIntrospector();
+    }
+    
     /**
      * Creates an instance of this resolver, registering the provided custom XML
      * Elements and Properties.

ccm-core/src/main/java/org/libreccm/webdav/xml/WebDavJAXBContextBuilder.java

@@ -48,6 +48,7 @@ import org.libreccm.webdav.xml.elements.PropStat;
 import org.libreccm.webdav.xml.elements.PropertyUpdate;
 import org.libreccm.webdav.xml.elements.Remove;
 import org.libreccm.webdav.xml.elements.ResponseDescription;
+import org.libreccm.webdav.xml.elements.Set;
 import org.libreccm.webdav.xml.elements.Shared;
 import org.libreccm.webdav.xml.elements.Status;
 import org.libreccm.webdav.xml.elements.TimeOut;
@@ -66,9 +67,7 @@ import org.libreccm.webdav.xml.properties.SupportedLock;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-import java.util.Set;
 
-import javax.swing.text.Utilities;
 import javax.ws.rs.core.Response;
 import javax.xml.bind.JAXBContext;
 import javax.xml.bind.JAXBException;
@@ -148,7 +147,8 @@ final class WebDavJAXBContextBuilder {
             ResourceType.class,
             Response.class,
             ResponseDescription.class,
-            Set.class, Shared.class,
+            Set.class, 
+            Shared.class,
             Status.class,
             SupportedLock.class,
             TimeOut.class,

ccm-core/src/main/java/org/libreccm/webdav/xml/elements/Collection.java

@@ -18,6 +18,9 @@
  */
 package org.libreccm.webdav.xml.elements;
 
+import javax.xml.bind.annotation.XmlRootElement;
+import javax.xml.bind.annotation.XmlType;
+
 /**
  * WebDAV collection XML Element.
  *
@@ -38,6 +41,9 @@ package org.libreccm.webdav.xml.elements;
  * Distributed Authoring and Versioning (WebDAV)"</a>
  *
  */
+@XmlRootElement
+@XmlType(factoryMethod = "createSingleton")
+
 public final class Collection {
 
     private Collection() {

ccm-core/src/main/resources/themes/ccm/theme-index.json

@@ -57,6 +57,11 @@
                     "mimeType": "text/x-java-properties"
                 }
             ]
+        },
+        {
+            "name": "theme.json",
+            "isDirectory": false,
+            "mimeType": "application/json"
         }
     ]
 }