Examples of TraversableSource

org.apache.cocoon.components.source.TraversableSource
A source, which can be a directory or collection of sources. WARNING: Do not use this interface, it will be removed soon. Use the version from avalon excalibur instead. @author Stephan Michels @version CVS $Id: TraversableSource.java,v 1.2 2003/03/16 17:49:07 vgritsenko Exp $
org.apache.excalibur.source.TraversableSource
A traversable source is a source that can have children and a parent, like a file system. @author Avalon Development Team @version CVS $Revision: 1.5 $ $Date: 2004/02/28 11:47:26 $

Examples of org.apache.excalibur.source.TraversableSource

        }
        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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Examples of org.apache.excalibur.source.TraversableSource

        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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Examples of org.apache.excalibur.source.TraversableSource

    /**
     * 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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Examples of org.apache.excalibur.source.TraversableSource

        
        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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Examples of org.apache.excalibur.source.TraversableSource

        }
        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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Examples of org.apache.excalibur.source.TraversableSource

     * @throws MetaDataException
     */
    public void write(String sourceUri) throws ServiceException, MalformedURLException,
            IOException, RepositoryException, DocumentException, MetaDataException {
        SourceResolver resolver = null;
        TraversableSource source = null;
        try {
            resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
            source = (TraversableSource) resolver.resolveURI(sourceUri);
            write(source.getInputStream(),
                    source.getMimeType(),
                    source.getName(),
                    source.getContentLength());
        } finally {
            if (resolver != null) {
                if (source != null) {
                    resolver.release(source);
                }

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Examples of org.apache.excalibur.source.TraversableSource

    /**
     * 
     */
    public Collection getChildren() throws RepositoryException {
        SourceResolver resolver = null;
        TraversableSource source = null;
        try {
            resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
            source = (TraversableSource) resolver.resolveURI(this.contentSource.getRealSourceUri());
            Collection children = source.getChildren();
            java.util.Iterator iterator = children.iterator();
            java.util.Vector newChildren = new java.util.Vector();
            while (iterator.hasNext()) {
                TraversableSource child = (TraversableSource) iterator.next();
                newChildren.add(new SourceNode(getSession(),
                        getSourceURI() + "/" + child.getName(), this.manager, getLogger()));
            }
            return newChildren;
        } catch (Exception e) {
            throw new RepositoryException(e);
        }

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Examples of org.apache.excalibur.source.TraversableSource

    /**
     * 
     */
    public boolean isCollection() throws RepositoryException {
        SourceResolver resolver = null;
        TraversableSource source = null;
        try {
            resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
            source = (TraversableSource) resolver.resolveURI(this.contentSource.getRealSourceUri());
            return source.isCollection();
        } catch (Exception e) {
            throw new RepositoryException(e);
        }
    }

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Examples of org.apache.excalibur.source.TraversableSource

        }


        ByteArrayOutputStream out = null;
        InputStream in = null;
        SourceResolver resolver = null;
        TraversableSource source = null;
        try {
            resolver = (SourceResolver) this.manager.lookup(SourceResolver.ROLE);
            source = (TraversableSource) resolver.resolveURI(getRealSourceUri());


            if (source.exists() && !source.isCollection()) {
                byte[] buf = new byte[4096];
                out = new ByteArrayOutputStream();
                in = source.getInputStream();
                int read = in.read(buf);


                while (read > 0) {
                    out.write(buf, 0, read);
                    read = in.read(buf);
                }


                this.data = out.toByteArray();
                this.mimeType = source.getMimeType();
            }
        } catch (Exception e) {
            throw new RepositoryException(e);
        } finally {
            try {

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Examples of org.apache.excalibur.source.TraversableSource

        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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