/*
    * Copyright (C) 2007-2012 Argeo GmbH
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *         http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.argeo.jcr;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.net.URL;
  import java.net.URLConnection;
  import java.net.URLStreamHandler;
  
  import javax.jcr.Item;
  import javax.jcr.Node;
  import javax.jcr.Property;
  import javax.jcr.PropertyType;
  import javax.jcr.RepositoryException;
  import javax.jcr.Session;
  import javax.jcr.nodetype.NodeType;
  
  /** URL stream handler able to deal with nt:file node and properties. NOT FINISHED */
  public class JcrUrlStreamHandler extends URLStreamHandler {
  	private final Session session;
  
  	public JcrUrlStreamHandler(Session session) {
  		this.session = session;
  	}
  
  	@Override
  	protected URLConnection openConnection(final URL u) throws IOException {
  		// TODO Auto-generated method stub
  		return new URLConnection(u) {
  
  			@Override
  			public void connect() throws IOException {
  				String itemPath = u.getPath();
  				try {
  					if (!session.itemExists(itemPath))
  						throw new IOException("No item under " + itemPath);
  
  					Item item = session.getItem(u.getPath());
  					if (item.isNode()) {
  						// this should be a nt:file node
  						Node node = (Node) item;
  						if (!node.getPrimaryNodeType().isNodeType(
  								NodeType.NT_FILE))
  							throw new IOException("Node " + node + " is not a "
  									+ NodeType.NT_FILE);
  
  					} else {
  						Property property = (Property) item;
  						if(property.getType()==PropertyType.BINARY){
  							//Binary binary = property.getBinary();
  							
  						}
  					}
  				} catch (RepositoryException e) {
  					IOException ioe = new IOException(
  							"Unexpected JCR exception");
  					ioe.initCause(e);
  					throw ioe;
  				}
  			}
  
  			@Override
  			public InputStream getInputStream() throws IOException {
  				// TODO Auto-generated method stub
  				return super.getInputStream();
  			}
  
  		};
  	}
  
  }