| /******************************************************************************* |
| * Copyright (c) 2004, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.wst.command.internal.env.core.fragment; |
| |
| import java.util.Hashtable; |
| import org.eclipse.wst.command.internal.env.core.registry.CommandRegistry; |
| |
| |
| public class ExtensionFragment extends AbstractCommandFragment |
| { |
| private String[] ids_;; |
| private CommandRegistry extensionRegistry_; |
| private Hashtable fragments_; |
| |
| /** |
| * The default constructor |
| * |
| */ |
| public ExtensionFragment() |
| { |
| super( null, "" ); |
| fragments_ = new Hashtable(); |
| } |
| |
| /** |
| * Copy constructor. |
| * @param Fragment the fragment to copy |
| */ |
| protected ExtensionFragment( ExtensionFragment fragment ) |
| { |
| super( fragment ); |
| |
| ids_ = fragment.ids_; |
| extensionRegistry_ = fragment.extensionRegistry_; |
| fragments_ = fragment.fragments_; |
| } |
| |
| /** |
| * |
| * @param ids Sets the IDs for this extension fragment. |
| */ |
| public void setExtensionIds( String[] ids ) |
| { |
| ids_ = ids; |
| } |
| |
| /** |
| * |
| * @param registry Sets the registry for this extension fragment. |
| */ |
| public void setExtensionRegistry( CommandRegistry registry ) |
| { |
| extensionRegistry_ = registry; |
| } |
| |
| /** |
| * @see org.eclipse.wst.command.internal.env.core.fragment.CommandFragment#getFirstSubFragment() |
| */ |
| public CommandFragment getFirstSubFragment() |
| { |
| CommandFragmentFactoryFactory factory = extensionRegistry_.getFactoryFactory( ids_ ); |
| |
| if( factory == null ) return null; |
| |
| CommandFragment fragment = (CommandFragment)fragments_.get( factory ); |
| |
| if( fragment == null ) |
| { |
| fragment = factory.create().create(); |
| fragments_.put( factory, fragment ); |
| } |
| |
| return fragment; |
| } |
| |
| /** |
| * @see org.eclipse.wst.command.internal.env.core.fragment.CommandFragment#getNextSubFragment(org.eclipse.wst.command.internal.env.core.fragment.CommandFragment) |
| */ |
| public CommandFragment getNextSubFragment(CommandFragment fragment) |
| { |
| return null; |
| } |
| |
| /** |
| * @see java.lang.Object#clone() |
| */ |
| public Object clone() |
| { |
| return new ExtensionFragment( this ); |
| } |
| } |