/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * http://glassfish.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package com.sun.jersey.api.wadl.config; import com.sun.jersey.api.core.ResourceConfig; import com.sun.jersey.core.reflection.ReflectionHelper; import com.sun.jersey.server.wadl.WadlGenerator; import java.util.Collections; import java.util.List; /** * Loads a {@link WadlGeneratorConfig} and provides access to the {@link WadlGenerator} * provided by the loaded {@link WadlGeneratorConfig}.<br/> * If no {@link WadlGeneratorConfig} is provided, the default {@link WadlGenerator} * will be loaded.<br /> * * @author <a href="mailto:martin.grotzke@freiheit.com">Martin Grotzke</a> * @version $Id: WadlGeneratorConfigLoader.java 5312 2011-08-29 09:19:08Z pavel_bucek $ */ public class WadlGeneratorConfigLoader { /** * Load the {@link WadlGeneratorConfig} from the provided {@link ResourceConfig} using the * property {@link ResourceConfig#PROPERTY_WADL_GENERATOR_CONFIG}. * * <p> * The type of this property must be a subclass or an instance of a subclass of * {@link WadlGeneratorConfig}.<br/> * If it's not set, the default {@link com.sun.jersey.server.wadl.generators.WadlGeneratorJAXBGrammarGenerator} will be used. * </p> * * @param resourceConfig * @return a configure {@link WadlGeneratorConfig}. */ public static WadlGeneratorConfig loadWadlGeneratorsFromConfig( ResourceConfig resourceConfig ) { final Object wadlGeneratorConfigProperty = resourceConfig.getProperty( ResourceConfig.PROPERTY_WADL_GENERATOR_CONFIG ); if ( wadlGeneratorConfigProperty == null ) { WadlGeneratorConfig config = new WadlGeneratorConfig() { @Override public List<WadlGeneratorDescription> configure() { return Collections.EMPTY_LIST; } }; return config; } else { try { if ( wadlGeneratorConfigProperty instanceof WadlGeneratorConfig ) { return ( (WadlGeneratorConfig)wadlGeneratorConfigProperty ); } final Class<? extends WadlGeneratorConfig> configClazz; if ( wadlGeneratorConfigProperty instanceof Class ) { configClazz = ( (Class<?>)wadlGeneratorConfigProperty ). asSubclass( WadlGeneratorConfig.class ); } else if ( wadlGeneratorConfigProperty instanceof String ) { configClazz = ReflectionHelper.classForNameWithException( (String) wadlGeneratorConfigProperty ). asSubclass( WadlGeneratorConfig.class ); } else { throw new RuntimeException( "The property " + ResourceConfig.PROPERTY_WADL_GENERATOR_CONFIG + " is an invalid type: " + wadlGeneratorConfigProperty.getClass().getName() + " (supported: String, Class<? extends WadlGeneratorConfiguration>," + " WadlGeneratorConfiguration)" ); } final WadlGeneratorConfig config = configClazz.newInstance(); return config; } catch ( Exception e ) { throw new RuntimeException( "Could not load WadlGeneratorConfiguration," + " check the configuration of " + ResourceConfig.PROPERTY_WADL_GENERATOR_CONFIG, e ); } } } }