Package org.apache.excalibur.source

Examples of org.apache.excalibur.source.TraversableSource

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        }
        return source;
    }

    private static TraversableSource getCollection(String colName) {
      TraversableSource source;
        try {
            source = (TraversableSource)resolve(colName);
        } catch (MalformedURLException e) {
            throw new RuntimeException("'unable to resolve source: malformed URL");
        } catch (IOException e) {
            throw new RuntimeException("'unable to resolve source: IOException");
        }
        if (!source.isCollection()) throw new RuntimeException(colName + " is not a collection!");
        return source;
    }
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        if (!source.isCollection()) throw new RuntimeException(colName + " is not a collection!");
        return source;
    }

    public static void save(Request request, String dirName) throws Exception {
        TraversableSource collection = getCollection(dirName);
        ModifiableTraversableSource result;
       
        Enumeration params = request.getParameterNames();
        while (params.hasMoreElements()) {
            String name = (String) params.nextElement();
            if (name.indexOf("..") > -1) throw new Exception("We are under attack!!");
//System.out.println("[param] " + name);
            if (name.startsWith("save:")) {
                Part part = (Part) request.get(name);
                String code = name.substring(5);
                if (!(collection instanceof ModifiableSource)) {
                  throw new RuntimeException("Cannot modify the given source");
                } 
                result = (ModifiableTraversableSource)resolve(collection.getURI() + "/" + code);
               
                save(part, result);
            } else if (name.startsWith("delete:")) {
                String value = request.getParameter(name);
                if (value.length() > 0) {              
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    /**
     * Returns the highest version id of the files included in the given
     * directory.
     */
    public static int getVersionID(String colName) {
        TraversableSource collection = getCollection(colName);
        int id = 0;
        Collection contents;
        try {
            contents = collection.getChildren();
        } catch (SourceException se) {
          throw new RuntimeException("Unable to list contents for collection " + colName);
        }
        for (Iterator iter = contents.iterator(); iter.hasNext();) {
            TraversableSource content = (TraversableSource) iter.next();
            if (!content.isCollection()) {
        try {
          int localid = getVersion(content.getName());
          if (localid > id) id = localid;
        } catch (Exception e) {}
                           
            }           
        }
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        return ++id;
    }

    public static Object[] getVersions(String colName) {
      TraversableSource collection = getCollection(colName);
        ArrayList versions = new ArrayList();

    Collection contents;
    try {
      contents = collection.getChildren();
    } catch (SourceException se) {
      throw new RuntimeException("Unable to list contents for collection " + colName);
    } 

        for (Iterator iter = contents.iterator(); iter.hasNext();) {
            TraversableSource content = (TraversableSource) iter.next();
      if (!content.isCollection())  {
         try {
           int version = getVersion(content.getName());
           if (version > 0) {
             versions.add(new Integer(version));
           }
         } catch (Exception e) {}
       }
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        }
        return -1;
    }
   
    public static int getID(String colName) {
        TraversableSource collection = getCollection(colName);

        int id = 0;
    Collection contents;
    try {
      contents = collection.getChildren();
    } catch (SourceException se) {
      throw new RuntimeException("Unable to list contents for collection " + colName);
    }
   
    for (Iterator iter = contents.iterator(); iter.hasNext();) {
            TraversableSource content = (TraversableSource) iter.next();
      if (content.isCollection())  {
        try {
          String name = content.getName();
          int localid = Integer.parseInt(name);
          if (localid > id) id = localid;
        } catch (Exception e) {}
      }          
        } 
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        assertFalse(source.exists());

        write(source, anotherText);

        // Lookup again, using the parent, doing some traversal
        TraversableSource dir = (TraversableSource)resolver.resolveURI("jcr://some/deep");
        assertTrue(dir.isCollection());
        dir = (TraversableSource)dir.getChild("path");
        assertTrue(dir.isCollection());
        dir = (TraversableSource)dir.getChild("to");
        assertTrue(dir.isCollection());

        source = (JCRNodeSource)dir.getChild("file");
        assertTrue(source.exists());

        assertEquals(anotherText, read(source));
    }
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            mimetype = source.getMimeType();
            contentlength = source.getContentLength();
            lastmodified = source.getLastModified();

            if (source instanceof TraversableSource) {
                TraversableSource traversablesource = (TraversableSource) source;
 
                iscollection = traversablesource.isCollection();

                name = traversablesource.getName();

                try {
                    if (iscollection && deep)
                        for(Iterator i = traversablesource.getChildren().iterator(); i.hasNext(); )
                            children.add(new SourceDTO((Source)i.next(), false));
                } catch (SourceException se) {}

                try {
                    if (deep && (traversablesource.getParent()!=null))
                        parent = new SourceDTO(traversablesource.getParent(), false);
                } catch (SourceException se) {}
            }

            if (source instanceof InspectableSource) {
                InspectableSource inspectablesource = (InspectableSource) source;
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        if (getLogger().isDebugEnabled()) {
            getLogger().debug("copy: " + source.getURI() + " -> " + destination.getURI());
        }
       
        if (source instanceof TraversableSource) {
            final TraversableSource origin = (TraversableSource) source;
            ModifiableTraversableSource target = null;
            if (origin.isCollection()) {
                if (!(destination instanceof ModifiableTraversableSource)) {
                    final String message = "copy() is forbidden: " +
                        "Cannot create a collection at the indicated destination.";
                    getLogger().warn(message);
                    return STATUS_FORBIDDEN;
                }
                // TODO: copy properties
                target = ((ModifiableTraversableSource) destination);
                m_interceptor.preStoreSource(target);
                target.makeCollection();
                m_interceptor.postStoreSource(target);
                if (recurse) {
                    Iterator children = origin.getChildren().iterator();
                    while (children.hasNext()) {
                        TraversableSource child = (TraversableSource) children.next();
                        /*int status =*/ copy(child,target.getChild(child.getName()),recurse);
                        // TODO: record this status
                        // according to the spec we must continue moving files even though
                        // a part of the move has not succeeded
                    }
                }
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        }

        public TraversableSourceMeta(Source source) throws SourceException {
            super(source);

            final TraversableSource tsource = (TraversableSource) source;

            setName(tsource.getName());
            setIsCollection(tsource.isCollection());

            if (isCollection()) {
                final Collection children = tsource.getChildren();
                if (children != null) {
                    final String[] names = new String[children.size()];
                    final Iterator iter = children.iterator();
                    int count = 0;
                    while(iter.hasNext()) {
                        TraversableSource child = (TraversableSource) iter.next();
                        names[count] = child.getName();
                        count++;
                    }
                    setChildren(names);
                }
            }
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        return this.rootSource;
    }

    public Collection getChildren(Object parent) {
        if (parent instanceof TraversableSource) {
            TraversableSource dir = (TraversableSource)parent;
            try {
                // Return children if it's a collection, null otherwise
                return dir.isCollection() ? filterChildren(dir.getChildren()) : null;
            } catch (SourceException e) {
                throw new CascadingRuntimeException("getChildren", e);
            }
        } else {
            return null;
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Related Classes of org.apache.excalibur.source.TraversableSource

  • org.apache.cocoon.acting.CopySourceAction
  • org.apache.cocoon.components.repository.SourceRepositoryImpl
  • org.apache.cocoon.components.source.impl.BlockContextSource
  • org.apache.cocoon.components.source.impl.CachingSource
  • org.apache.cocoon.components.source.impl.TraversableCachingSource
  • org.apache.cocoon.components.source.impl.TraversableCachingSource$TraversableSourceMeta
  • org.apache.cocoon.components.source.SourceDTO
  • org.apache.cocoon.components.SourceRepository
  • org.apache.cocoon.forms.formmodel.tree.SourceTreeModel
  • org.apache.cocoon.generation.TraversableGenerator
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