/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2010-2013 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.internal;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.net.URI;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.ProcessingException;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import javax.inject.Singleton;
import javax.xml.bind.Marshaller;
import org.glassfish.jersey.server.internal.LocalizationMessages;
import org.glassfish.jersey.server.model.ExtendedResource;
import org.glassfish.jersey.server.wadl.WadlApplicationContext;
import com.sun.research.ws.wadl.Application;
/**
*
* @author Paul Sandoz (paul.sandoz at oracle.com)
*/
@Singleton
@Path("application.wadl")
@ExtendedResource
public final class WadlResource {
public static final String HTTPDATEFORMAT = "EEE, dd MMM yyyy HH:mm:ss zzz";
private volatile URI lastBaseUri;
private volatile boolean lastDetailedWadl;
private byte[] wadlXmlRepresentation;
private String lastModified;
@Context
private WadlApplicationContext wadlContext;
public WadlResource() {
this.lastModified = new SimpleDateFormat(HTTPDATEFORMAT).format(new Date());
}
private boolean isCached(UriInfo uriInfo, boolean detailedWadl) {
return (lastBaseUri != null && lastBaseUri.equals(uriInfo.getBaseUri()) && lastDetailedWadl == detailedWadl);
}
@Produces({"application/vnd.sun.wadl+xml", "application/xml"})
@GET
public synchronized Response getWadl(@Context UriInfo uriInfo) {
try {
if (!wadlContext.isWadlGenerationEnabled()) {
return Response.status(Response.Status.NOT_FOUND).build();
}
final boolean detailedWadl = WadlUtils.isDetailedWadlRequested(uriInfo);
if ((wadlXmlRepresentation == null) || (!isCached(uriInfo, detailedWadl))) {
this.lastBaseUri = uriInfo.getBaseUri();
lastDetailedWadl = detailedWadl;
this.lastModified = new SimpleDateFormat(HTTPDATEFORMAT).format(new Date());
ApplicationDescription applicationDescription = wadlContext.getApplication(uriInfo,
detailedWadl);
Application application = applicationDescription.getApplication();
try {
final Marshaller marshaller = wadlContext.getJAXBContext().createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
final ByteArrayOutputStream os = new ByteArrayOutputStream();
marshaller.marshal(application, os);
wadlXmlRepresentation = os.toByteArray();
os.close();
} catch (Exception e) {
throw new ProcessingException("Could not marshal the wadl Application.", e);
}
}
return Response.ok(new ByteArrayInputStream(wadlXmlRepresentation)).header("Last-modified", lastModified).build();
} catch (Exception e) {
throw new ProcessingException("Error generating /application.wadl.", e);
}
}
@Produces({"application/xml"})
@GET
@Path("{path}")
public synchronized Response geExternalGrammar(
@Context UriInfo uriInfo,
@PathParam("path") String path) {
try {
// Fail if wadl generation is disabled
if (!wadlContext.isWadlGenerationEnabled()) {
return Response.status(Response.Status.NOT_FOUND).build();
}
ApplicationDescription applicationDescription =
wadlContext.getApplication(uriInfo, WadlUtils.isDetailedWadlRequested(uriInfo));
// Fail is we don't have any metadata for this path
ApplicationDescription.ExternalGrammar externalMetadata = applicationDescription.getExternalGrammar(path);
if (externalMetadata == null) {
return Response.status(Response.Status.NOT_FOUND).build();
}
// Return the data
return Response.ok().type(externalMetadata.getType())
.entity(externalMetadata.getContent())
.build();
} catch (Exception e) {
throw new ProcessingException(LocalizationMessages.ERROR_WADL_RESOURCE_EXTERNAL_GRAMMAR(), e);
}
}
}