Examples of org.jboss.virtual.plugins.context.DelegatingHandler

Package org.jboss.virtual.plugins.context

Examples of org.jboss.virtual.plugins.context.DelegatingHandler

org.jboss.virtual.plugins.context.DelegatingHandler
A delegating VirtualFileHandler that allows for overriding the delegate parent and name. One usecase is a link which roots another VFSContext under a different parent and name. @author Scott.Stark@jboss.org @version $Revision:$

      VFSContextFactory factory = VFSContextFactoryLocator.getFactory(linkURI);
      VFSContext context = factory.getVFS(linkURI);
      VirtualFileHandler rootHandler = context.getRoot();
      // Wrap the handler in a delegate so we can change the parent and name
      // TODO: if the factory caches contexts the root handler may not point to the link
      return new DelegatingHandler(this.getVFSContext(), parent, name, rootHandler);
   }

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    * @throws IOException for any error
    * @throws URISyntaxException for any URI syntax error
    */
   protected DelegatingHandler mountZipFS(VirtualFileHandler parent, String name, File file) throws IOException, URISyntaxException
   {
      DelegatingHandler delegator = new DelegatingHandler(this, parent, name);
      URL fileUrl = file.toURI().toURL();
      URL delegatorUrl = fileUrl;


      if (parent != null)
         delegatorUrl = getChildURL(parent, name);


      delegatorUrl = setOptionsToURL(delegatorUrl);
      ZipEntryContext ctx = new ZipEntryContext(delegatorUrl, delegator, fileUrl);


      VirtualFileHandler handler = ctx.getRoot();
      delegator.setDelegate(handler);


      return delegator;
   }

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               {
                  String flag = getOptions().get(VFSUtils.USE_COPY_QUERY);
                  useCopyMode = Boolean.valueOf(flag);
               }


               DelegatingHandler delegator;


               if (useCopyMode)
               {
                  // extract it to temp dir
                  File dest = new File(getTempDir() + "/" + getTempFileName(ent.getName()));
                  dest.deleteOnExit();


                  // ensure parent exists
                  dest.getParentFile().mkdirs();


                  InputStream is = zipSource.openStream(ent);
                  OutputStream os = new BufferedOutputStream(new FileOutputStream(dest));
                  VFSUtils.copyStreamAndClose(is, os);


                  // mount another instance of ZipEntryContext
                  delegator = mountZipFile(parent, name, dest);
               }
               else
               {
                  // mount another instance of ZipEntryContext
                  delegator = mountZipStream(parent, name, zipSource.openStream(ent));
               }


               entries.put(delegator.getLocalPathName(), new EntryInfo(delegator, ent));
               addChild(parent, delegator);
            }
            else
            {
               ZipEntryHandler wrapper = new ZipEntryHandler(this, parent, name, ent.isDirectory() == false);

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    * @throws IOException for any error
    * @throws URISyntaxException for any URI syntax error
    */
   protected DelegatingHandler mountZipFile(VirtualFileHandler parent, String name, File file) throws IOException, URISyntaxException
   {
      DelegatingHandler delegator = new DelegatingHandler(this, parent, name);
      URL fileUrl = file.toURL();
      URL delegatorUrl = fileUrl;


      if (parent != null)
         delegatorUrl = getChildURL(parent, name);


      delegatorUrl = setOptionsToURL(delegatorUrl);
      ZipEntryContext ctx = new ZipEntryContext(delegatorUrl, delegator, fileUrl, true);
      VirtualFileHandler handler = ctx.getRoot();
      delegator.setDelegate(handler);


      return delegator;
   }

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    * @throws IOException for any error
    * @throws URISyntaxException for any URI syntax error
    */
   protected DelegatingHandler mountZipStream(VirtualFileHandler parent, String name, InputStream zipStream) throws IOException, URISyntaxException
   {
      DelegatingHandler delegator = new DelegatingHandler(this, parent, name);
      ZipStreamWrapper wrapper = new ZipStreamWrapper(zipStream, name, parent.getLastModified());


      URL delegatorUrl = null;


      if (parent != null)
         delegatorUrl = getChildURL(parent, name);


      delegatorUrl = setOptionsToURL(delegatorUrl);
      ZipEntryContext ctx = new ZipEntryContext(delegatorUrl, delegator, wrapper, false);
      VirtualFileHandler handler = ctx.getRoot();
      delegator.setDelegate(handler);


      return delegator;
   }

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   {
      ensureEntries();
      EntryInfo parentEntry = entries.get(parent.getLocalPathName());
      if (parentEntry != null)
      {
         DelegatingHandler newOne;


         if (replacement instanceof DelegatingHandler)
         {
            newOne = (DelegatingHandler) replacement;
         }
         else
         {
            newOne = new DelegatingHandler(this, parent, original.getName(), replacement);
         }


         synchronized(this)
         {
            parentEntry.replaceChild(original, newOne);

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    * @throws IOException for any error
    * @throws URISyntaxException for any URI syntax error
    */
   protected DelegatingHandler mountZipFS(VirtualFileHandler parent, String name, File file) throws IOException, URISyntaxException
   {
      DelegatingHandler delegator = new DelegatingHandler(this, parent, name);
      URL fileUrl = file.toURL();
      URL delegatorUrl = fileUrl;


      if (parent != null)
         delegatorUrl = getChildURL(parent, name);


      delegatorUrl = setOptionsToURL(delegatorUrl);
      ZipEntryContext ctx = new ZipEntryContext(delegatorUrl, delegator, fileUrl);


      VirtualFileHandler handler = ctx.getRoot();
      delegator.setDelegate(handler);


      return delegator;
   }

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    * @throws IOException for any error
    * @throws URISyntaxException for any URI syntax error
    */
   protected DelegatingHandler mountZipFS(VirtualFileHandler parent, String name, File file) throws IOException, URISyntaxException
   {
      DelegatingHandler delegator = new DelegatingHandler(this, parent, name);
      URL fileUrl = file.toURI().toURL();
      URL delegatorUrl = fileUrl;


      if (parent != null)
         delegatorUrl = getChildURL(parent, name);


      delegatorUrl = setOptionsToURL(delegatorUrl);
      ZipEntryContext ctx = new ZipEntryContext(delegatorUrl, delegator, fileUrl);


      VirtualFileHandler handler = ctx.getRoot();
      delegator.setDelegate(handler);


      return delegator;
   }

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Related Classes of org.jboss.virtual.plugins.context.DelegatingHandler

org.jboss.virtual.plugins.context.file.FileSystemContext

org.jboss.virtual.plugins.context.file.LinkHandler

org.jboss.virtual.plugins.context.zip.ZipEntryContext

org.jboss.virtual.spi.VirtualFileHandler

java.io.IOException

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