org.glassfish.jersey.server.wadl.internal.WadlResource Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of ehcache Show documentation
Show all versions of ehcache Show documentation
Ehcache is an open source, standards-based cache used to boost performance,
offload the database and simplify scalability. Ehcache is robust, proven and full-featured and
this has made it the most widely-used Java-based cache.
/*
* 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);
}
}
}