| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| /* |
| * Created on Feb 5, 2004 |
| * |
| * To change the template for this generated file go to |
| * Window - Preferences - Java - Code Generation - Code and Comments |
| */ |
| package org.eclipse.jst.j2ee.internal.servertarget; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IPluginRegistry; |
| import org.eclipse.core.runtime.Plugin; |
| import org.eclipse.jem.util.RegistryReader; |
| import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; |
| |
| /** |
| * @author vijayb |
| * @deprecated |
| * To change the template for this generated type comment go to Window - Preferences - Java - Code |
| * Generation - Code and Comments |
| */ |
| public class TargetRuntimeExtensionHandlerReader extends RegistryReader { |
| static TargetRuntimeExtensionHandlerReader instance = null; |
| protected ITargetRuntimeExtensionHandler targetRuntimeExtHandler; |
| protected String HANDLER_EXT_Id = "targetRuntimeExtensionHandler"; //$NON-NLS-1$ |
| protected TargetRuntimeExtension extension = null; |
| protected String HANDLER_CLASSNAME = "className"; //$NON-NLS-1$ |
| protected String HANDLER_GROUP_ID = "groupID"; //$NON-NLS-1$ |
| protected HashMap handlerExtensions = null; |
| |
| /** |
| * @param registry |
| * @param plugin |
| * @param extensionPoint |
| */ |
| public TargetRuntimeExtensionHandlerReader(IPluginRegistry registry, String plugin, String extensionPoint) { |
| super(plugin, extensionPoint); |
| } |
| |
| /** |
| * |
| */ |
| public TargetRuntimeExtensionHandlerReader() { |
| super(J2EEPlugin.PLUGIN_ID, "TargetRuntimeExtHandler"); //$NON-NLS-1$ |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.wst.common.frameworks.internal.RegistryReader#readElement(org.eclipse.core.runtime.IConfigurationElement) |
| */ |
| public boolean readElement(IConfigurationElement element) { |
| if (!element.getName().equals(HANDLER_EXT_Id)) |
| return false; |
| String group = element.getAttribute(HANDLER_GROUP_ID); |
| String className = element.getAttribute(HANDLER_CLASSNAME); |
| if (group == null) { |
| logMissingAttribute(element, "Missing group target runtime extension specification."); //$NON-NLS-1$ |
| return false; |
| } |
| try { |
| Plugin plugin = element.getDeclaringExtension().getDeclaringPluginDescriptor().getPlugin(); |
| extension = new TargetRuntimeExtension(plugin, element, group, className); |
| addExtensionPoint(extension); |
| return true; |
| } catch (CoreException ce) { |
| ce.printStackTrace(); |
| } |
| return false; |
| } |
| |
| /** |
| * Sets the extension point. |
| * |
| * @param extensions |
| * The extensions to set |
| */ |
| protected void addExtensionPoint(TargetRuntimeExtension newExtension) { |
| if (handlerExtensions == null) |
| handlerExtensions = new HashMap(); |
| Collection temp = null; |
| Object holder = handlerExtensions.get(newExtension.getGroupId()); |
| if (temp == null) { |
| temp = new ArrayList(); |
| temp.add(newExtension); |
| } else { |
| handlerExtensions.remove(newExtension.getGroupId()); |
| temp = (Collection) holder; |
| temp.add(newExtension); |
| } |
| handlerExtensions.put(newExtension.getGroupId(), temp); |
| } |
| |
| /** |
| * Gets the instance. |
| * |
| * @return Returns a TargetRuntimeExtensionHandlerReader |
| */ |
| public static TargetRuntimeExtensionHandlerReader getInstance() { |
| if (instance == null) |
| instance = new TargetRuntimeExtensionHandlerReader(); |
| return instance; |
| } |
| |
| public ITargetRuntimeExtensionHandler getEJBExtHandler() { |
| if (targetRuntimeExtHandler == null && handlerExtensions != null) { |
| TargetRuntimeExtension codegenExt = null; |
| ArrayList ibmExtensions = (ArrayList) handlerExtensions.get("IBM"); //$NON-NLS-1$ |
| if (ibmExtensions != null) { |
| for (int i = 0; i < ibmExtensions.size(); i++) { |
| Object obj = ibmExtensions.get(i); |
| if (obj instanceof TargetRuntimeExtension) { |
| codegenExt = (TargetRuntimeExtension) obj; |
| break; |
| } |
| } |
| } |
| if (codegenExt != null) { |
| IConfigurationElement cElement = codegenExt.configElement; |
| try { |
| targetRuntimeExtHandler = (ITargetRuntimeExtensionHandler) cElement.createExecutableExtension("run"); //$NON-NLS-1$ |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| return targetRuntimeExtHandler; |
| } |
| } |