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com.sun.jersey.server.impl.wadl.WadlFactory Maven / Gradle / Ivy

/*
 * 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
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 */

package com.sun.jersey.server.impl.wadl;

import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.wadl.config.WadlGeneratorConfigLoader;
import com.sun.jersey.core.spi.factory.InjectableProviderFactory;
import com.sun.jersey.server.impl.model.method.ResourceMethod;
import com.sun.jersey.server.impl.uri.PathPattern;
import com.sun.jersey.server.wadl.WadlApplicationContext;
import com.sun.jersey.server.wadl.WadlGenerator;
import com.sun.jersey.spi.inject.SingletonTypeInjectableProvider;

import javax.ws.rs.core.Context;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;

/**
 *
 * @author [email protected]
 */
public final class WadlFactory {

    private static final Logger LOGGER = Logger.getLogger(WadlFactory.class.getName());

    private final boolean isWadlEnabled;

//    private final WadlGenerator wadlGenerator;
    
    private final ResourceConfig _resourceConfig;

    private WadlApplicationContext wadlApplicationContext;

    public WadlFactory(ResourceConfig resourceConfig) {
        isWadlEnabled = isWadlEnabled(resourceConfig);
        _resourceConfig = resourceConfig;

//        if (isWadlEnabled) {
//            wadlGenerator = WadlGeneratorConfigLoader.loadWadlGeneratorsFromConfig(resourceConfig);
//        }
//        else {
//            wadlGenerator = null;
//        }
    }

    public boolean isSupported() {
        return isWadlEnabled;
    }

    public WadlApplicationContext createWadlApplicationContext(Set rootResources) {
        if (!isSupported()) return null;

        return new WadlApplicationContextImpl(rootResources, _resourceConfig);
    }

    public void init(InjectableProviderFactory ipf, Set rootResources) {
        if (!isSupported()) return;

        wadlApplicationContext = new WadlApplicationContextImpl(rootResources, _resourceConfig);

        ipf.add(new SingletonTypeInjectableProvider(
                WadlApplicationContext.class, wadlApplicationContext) {});
    }

    /**
     * Create the WADL resource method for OPTIONS.
     * 

     * This is created using reflection so that there is no runtime
     * dependency on JAXB. If the JAXB jars are not in the class path
     * then WADL generation will not be supported.
     *
     * @param resource the resource model
     * @return the WADL resource OPTIONS method
     */
    public ResourceMethod createWadlOptionsMethod(
            Map> methods,
            AbstractResource resource, PathPattern p) {
        if (!isSupported()) return null;

        if (p == null) {
            return new WadlMethodFactory.WadlOptionsMethod(methods, resource, null, wadlApplicationContext);
        } else {
            // Remove the '/' from the beginning
            String path = p.getTemplate().getTemplate().substring(1);
            return new WadlMethodFactory.WadlOptionsMethod(methods, resource, path, wadlApplicationContext);
        }
    }

    /**
     * Check if JAXB is present in the class path
     * @return
     *
     * @throws java.lang.ClassNotFoundException
     */
    private static boolean isWadlEnabled(ResourceConfig resourceConfig) {
        return !resourceConfig.getFeature(ResourceConfig.FEATURE_DISABLE_WADL);
    }
}