org.argeo.jcr/src/org/argeo/jcr/JcrUrlStreamHandler.java

   1 package org.argeo.jcr;
   2
   3 import java.io.IOException;
   4 import java.io.InputStream;
   5 import java.net.URL;
   6 import java.net.URLConnection;
   7 import java.net.URLStreamHandler;
   8
   9 import javax.jcr.Item;
  10 import javax.jcr.Node;
  11 import javax.jcr.Property;
  12 import javax.jcr.PropertyType;
  13 import javax.jcr.RepositoryException;
  14 import javax.jcr.Session;
  15 import javax.jcr.nodetype.NodeType;
  16
  17 /** URL stream handler able to deal with nt:file node and properties. NOT FINISHED */
  18 public class JcrUrlStreamHandler extends URLStreamHandler {
  19         private final Session session;
  20
  21         public JcrUrlStreamHandler(Session session) {
  22                 this.session = session;
  23         }
  24
  25         @Override
  26         protected URLConnection openConnection(final URL u) throws IOException {
  27                 // TODO Auto-generated method stub
  28                 return new URLConnection(u) {
  29
  30                         @Override
  31                         public void connect() throws IOException {
  32                                 String itemPath = u.getPath();
  33                                 try {
  34                                         if (!session.itemExists(itemPath))
  35                                                 throw new IOException("No item under " + itemPath);
  36
  37                                         Item item = session.getItem(u.getPath());
  38                                         if (item.isNode()) {
  39                                                 // this should be a nt:file node
  40                                                 Node node = (Node) item;
  41                                                 if (!node.getPrimaryNodeType().isNodeType(
  42                                                                 NodeType.NT_FILE))
  43                                                         throw new IOException("Node " + node + " is not a "
  44                                                                         + NodeType.NT_FILE);
  45
  46                                         } else {
  47                                                 Property property = (Property) item;
  48                                                 if(property.getType()==PropertyType.BINARY){
  49                                                         //Binary binary = property.getBinary();
  50
  51                                                 }
  52                                         }
  53                                 } catch (RepositoryException e) {
  54                                         IOException ioe = new IOException(
  55                                                         "Unexpected JCR exception");
  56                                         ioe.initCause(e);
  57                                         throw ioe;
  58                                 }
  59                         }
  60
  61                         @Override
  62                         public InputStream getInputStream() throws IOException {
  63                                 // TODO Auto-generated method stub
  64                                 return super.getInputStream();
  65                         }
  66
  67                 };
  68         }
  69
  70 }