| /******************************************************************************* |
| * Copyright (c) 2003, 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.jst.j2ee.internal.componentcore; |
| |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.ApplicationClientFile; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.impl.ApplicationClientFileImpl; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.AppClient12ImportStrategyImpl; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| |
| public class AppClientBinaryComponentHelper extends EnterpriseBinaryComponentHelper { |
| |
| public static boolean handlesComponent(IVirtualComponent component) { |
| AppClientBinaryComponentHelper helper = null; |
| try { |
| helper = new AppClientBinaryComponentHelper(component); |
| return helper.isArchiveValid(); |
| } catch (Exception e) { |
| return false; |
| } finally { |
| helper.dispose(); |
| } |
| } |
| |
| protected static class Discriminator extends AppClient12ImportStrategyImpl.Discriminator { |
| |
| private static Discriminator instance; |
| |
| public static Discriminator getInstance() { |
| if (instance == null) { |
| instance = new Discriminator(); |
| } |
| return instance; |
| } |
| |
| public Archive createConvertedArchive() { |
| ReferenceCountedApplicationClientFileImpl archive = new ReferenceCountedApplicationClientFileImpl(); |
| return archive; |
| } |
| } |
| |
| protected static class ReferenceCountedApplicationClientFileImpl extends ApplicationClientFileImpl implements IReferenceCountedArchive { |
| |
| private int count = 0; |
| |
| public void access() { |
| synchronized (this) { |
| count++; |
| } |
| } |
| |
| public void close() { |
| synchronized (this) { |
| count--; |
| if (count > 0) { |
| return; |
| } |
| } |
| physicallyClose(this); |
| } |
| |
| public void forceClose(){ |
| count = 0; |
| super.close(); |
| } |
| } |
| |
| protected ArchiveTypeDiscriminator getDiscriminator() { |
| return Discriminator.getInstance(); |
| } |
| |
| public AppClientBinaryComponentHelper(IVirtualComponent component) { |
| super(component); |
| } |
| |
| public EObject getPrimaryRootObject() { |
| return ((ApplicationClientFile) getArchive()).getDeploymentDescriptor(); |
| } |
| |
| } |