Package org.apache.excalibur.source

Examples of org.apache.excalibur.source.TraversableSource

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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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        try {
            src = this.resolver.resolveURI(this.source);
            if (!(src instanceof TraversableSource)) {
                throw new SourceException(this.source + " is not a traversable source");
            }
            final TraversableSource inputSource =
                (TraversableSource) this.resolver.resolveURI(this.source);

            if (!inputSource.exists()) {
                throw new ResourceNotFoundException(this.source + " does not exist.");
            }

            this.contentHandler.startDocument();
            this.contentHandler.startPrefixMapping(PREFIX, URI);
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     *
     * @param source the traversable source whose ancestors shall be retrieved
     * @return a Stack containing the ancestors.
     */
    protected Stack getAncestors(TraversableSource source) throws IOException {
        TraversableSource parent = source;
        Stack ancestors = new Stack();

        while ((parent != null) && !isRoot(parent)) {
            parent = (TraversableSource) parent.getParent();
            if (parent != null) {
                ancestors.push(parent);
            } else {
                // no ancestor matched the root pattern
                ancestors.clear();
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                            }
                        });
                    } else if (sort.equals("collection")) {
                        Arrays.sort(contents.toArray(), new Comparator() {
                            public int compare(Object o1, Object o2) {
                                TraversableSource ts1 = (TraversableSource) o1;
                                TraversableSource ts2 = (TraversableSource) o2;

                                if (reverse) {
                                    if (ts2.isCollection() && !ts1.isCollection())
                                        return -1;
                                    if (!ts2.isCollection() && ts1.isCollection())
                                        return 1;
                                    return ts2.getName().compareTo(ts1.getName());
                                }
                                if (ts2.isCollection() && !ts1.isCollection())
                                    return 1;
                                if (!ts2.isCollection() && ts1.isCollection())
                                    return -1;
                                return ts1.getName().compareTo(ts2.getName());
                            }
                        });
                    }

                    for (int i = 0; i < contents.size(); i++) {
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        if (! (dest instanceof ModifiableSource)) {
            throw new IllegalArgumentException("Non-writeable URI : " + dest.getURI());
        }
       
        if (dest instanceof TraversableSource) {
            TraversableSource trDest = (TraversableSource) dest;
            if (trDest.isCollection()) {
                if (src instanceof TraversableSource) {
                    dest = trDest.getChild(((TraversableSource)src).getName());
                } else if (src instanceof PartSource){
                    // FIXME : quick hack to store "upload://xxx" sources into directories
                    // it would be better for the PartSource to be Traversable, or to
                    // create a new "NamedSource" interface
                    dest = trDest.getChild(((PartSource)src).getPart().getFileName());
                }
            }
        }
       
        ModifiableSource wdest = (ModifiableSource)dest;
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    }
   
    protected void initMeta(SourceMeta meta, Source source) throws IOException {
        super.initMeta(meta, source);

        final TraversableSource tsource = (TraversableSource) source;
        final TraversableSourceMeta tmeta = (TraversableSourceMeta) meta;

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

        if (tmeta.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++;
                }
                tmeta.setChildren(names);
            }
        }
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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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        if (! (dest instanceof ModifiableSource)) {
            throw new IllegalArgumentException("Non-writeable URI : " + dest.getURI());
        }

        if (dest instanceof TraversableSource) {
            TraversableSource trDest = (TraversableSource) dest;
            if (trDest.isCollection()) {
                if (src instanceof TraversableSource) {
                    dest = trDest.getChild(((TraversableSource)src).getName());
                } else if (src instanceof PartSource){
                    // FIXME : quick hack to store "upload://xxx" sources into directories
                    // it would be better for the PartSource to be Traversable, or to
                    // create a new "NamedSource" interface
                    dest = trDest.getChild(((PartSource)src).getPart().getFileName());
                }
            }
        }
        // And transfer all content.
        try {
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    }

    private static Source resolve(String uri)
    throws MalformedURLException, IOException {
        SourceResolver resolver = null;
        TraversableSource source;
        try {
            resolver = (SourceResolver) manager.lookup(SourceResolver.ROLE);
            source = (TraversableSource) resolver.resolveURI(uri);
        } catch (ComponentException ce) {
            throw new IOException("ComponentException");
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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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