/******************************************************************************* * 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 Jun 13, 2004 */ package org.eclipse.jst.j2ee.internal.web.jfaces.extension; import org.eclipse.core.runtime.IConfigurationElement; import org.eclipse.jst.j2ee.internal.web.plugin.WebPlugin; /** * @author vijayb */ public class FileURLExtension { private String id = null; private FileURL instance; private boolean errorCondition = false; private IConfigurationElement element; public static final String FILE_URL_EXTENSION = "fileURL"; //$NON-NLS-1$ public static final String RUN = "run"; //$NON-NLS-1$ public static final String ATT_ID = "id"; //$NON-NLS-1$ public static final String ATT_CLASS = "class"; //$NON-NLS-1$ /** * */ public FileURLExtension() { super(); } public FileURL getInstance() { try { if (this.instance == null && !this.errorCondition) this.instance = (FileURL) this.element.createExecutableExtension("run"); //$NON-NLS-1$ } catch (Throwable e) { WebPlugin.logError(e); this.errorCondition = true; } return this.instance; } public FileURLExtension(IConfigurationElement element) { if (!FILE_URL_EXTENSION.equals(element.getName())) throw new IllegalArgumentException("Extensions must be of the type \"" + FILE_URL_EXTENSION + "\"."); //$NON-NLS-1$ //$NON-NLS-2$ this.element = element; init(); } private void init() { this.id = this.element.getAttribute(ATT_ID); } /** * @return Returns the id. */ public String getId() { return this.id; } /** * @param id * The id to set. */ public void setId(String id) { this.id = id; } }