/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2017 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 org.glassfish.jersey.server.wadl.processor;
import java.io.ByteArrayOutputStream;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.ws.rs.HttpMethod;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.container.ContainerRequestContext;
import javax.ws.rs.core.Configuration;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import javax.annotation.Priority;
import javax.inject.Inject;
import javax.inject.Provider;
import javax.xml.bind.Marshaller;
import org.glassfish.jersey.internal.util.PropertiesHelper;
import org.glassfish.jersey.message.internal.MediaTypes;
import org.glassfish.jersey.process.Inflector;
import org.glassfish.jersey.server.ExtendedUriInfo;
import org.glassfish.jersey.server.ServerProperties;
import org.glassfish.jersey.server.model.ModelProcessor;
import org.glassfish.jersey.server.model.Resource;
import org.glassfish.jersey.server.model.ResourceModel;
import org.glassfish.jersey.server.model.RuntimeResource;
import org.glassfish.jersey.server.model.internal.ModelProcessorUtil;
import org.glassfish.jersey.server.wadl.WadlApplicationContext;
import org.glassfish.jersey.server.wadl.internal.WadlResource;
import org.glassfish.jersey.server.wadl.internal.WadlUtils;
import com.sun.research.ws.wadl.Application;
/**
* WADL {@link ModelProcessor model processor} which enhance resource model by WADL related resources (like "/application.wadl").
* The provider should be registered using
* {@link org.glassfish.jersey.server.wadl.internal.WadlAutoDiscoverable} or by
* {@link org.glassfish.jersey.server.wadl.WadlFeature} if auto-discovery is disabled.
*
* @author Miroslav Fuksa
*
*/
@Priority(10000)
public class WadlModelProcessor implements ModelProcessor {
private final List<ModelProcessorUtil.Method> methodList;
/**
* Create new WADL model processor instance.
*/
public WadlModelProcessor() {
methodList = new ArrayList<>();
methodList.add(new ModelProcessorUtil.Method(HttpMethod.OPTIONS, MediaType.WILDCARD_TYPE, MediaTypes.WADL_TYPE,
OptionsHandler.class));
}
@Override
public ResourceModel processResourceModel(final ResourceModel resourceModel, final Configuration configuration) {
final boolean disabled = PropertiesHelper.isProperty(configuration.getProperty(ServerProperties.WADL_FEATURE_DISABLE));
if (disabled) {
return resourceModel;
}
final ResourceModel.Builder builder = ModelProcessorUtil.enhanceResourceModel(resourceModel, false, methodList, true);
// Do not add WadlResource if already present in the classes (i.e. added during scanning).
if (!configuration.getClasses().contains(WadlResource.class)) {
final Resource wadlResource = Resource.builder(WadlResource.class).build();
builder.addResource(wadlResource);
}
return builder.build();
}
/**
* OPTIONS resource method handler that serves resource WADL.
*/
public static class OptionsHandler implements Inflector<ContainerRequestContext, Response> {
private final String lastModified =
new SimpleDateFormat(WadlResource.HTTPDATEFORMAT).format(new Date());
@Inject
private Provider<ExtendedUriInfo> extendedUriInfo;
@Context
private Provider<WadlApplicationContext> wadlApplicationContext;
@Override
public Response apply(ContainerRequestContext containerRequestContext) {
final RuntimeResource resource = extendedUriInfo.get().getMatchedRuntimeResources().get(0);
// TODO: support multiple resources, see ignored tests in WadlResourceTest.Wadl8Test
final UriInfo uriInfo = containerRequestContext.getUriInfo();
final Application wadlApplication = wadlApplicationContext.get().getApplication(uriInfo,
resource.getResources().get(0), WadlUtils.isDetailedWadlRequested(uriInfo));
if (wadlApplication == null) {
// wadlApplication can be null if limited WADL is requested and all content
// of wadlApplication is invisible in limited WADL
return Response.status(Response.Status.NOT_FOUND).build();
}
byte[] bytes;
try {
final Marshaller marshaller = wadlApplicationContext.get().getJAXBContext().createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
final ByteArrayOutputStream os = new ByteArrayOutputStream();
marshaller.marshal(wadlApplication, os);
bytes = os.toByteArray();
os.close();
} catch (Exception e) {
throw new ProcessingException("Could not marshal the wadl Application.", e);
}
return Response.ok()
.type(MediaTypes.WADL_TYPE)
.allow(ModelProcessorUtil.getAllowedMethods(resource))
.header("Last-modified", lastModified)
.entity(bytes)
.build();
}
}
@Override
public ResourceModel processSubResource(ResourceModel resourceModel, Configuration configuration) {
final boolean disabled = PropertiesHelper.isProperty(configuration.getProperty(ServerProperties.WADL_FEATURE_DISABLE));
if (disabled) {
return resourceModel;
}
return ModelProcessorUtil.enhanceResourceModel(resourceModel, true, methodList, true).build();
}
}