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A bundle containing code of all jar-based modules that provide
JAX-RS and Jersey-related features. Such a bundle is *only intended* for
developers that do not use Maven's dependency system.
The bundle does not include code for contributes, tests and samples.
/*
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. 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 https://jersey.dev.java.net/CDDL+GPL.html
* or jersey/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 jersey/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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* Version 2] license." If you don't indicate a single choice of license, a
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*/
package com.sun.jersey.server.wadl;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.ws.rs.FormParam;
import javax.ws.rs.core.MediaType;
import javax.xml.namespace.QName;
import com.sun.jersey.api.model.AbstractMethod;
import com.sun.jersey.api.model.AbstractResource;
import com.sun.jersey.api.model.AbstractResourceMethod;
import com.sun.jersey.api.model.AbstractSubResourceLocator;
import com.sun.jersey.api.model.AbstractSubResourceMethod;
import com.sun.jersey.api.model.Parameter;
import com.sun.jersey.server.impl.BuildId;
import com.sun.jersey.server.impl.modelapi.annotation.IntrospectionModeller;
import com.sun.research.ws.wadl.Application;
import com.sun.research.ws.wadl.Doc;
import com.sun.research.ws.wadl.Param;
import com.sun.research.ws.wadl.ParamStyle;
import com.sun.research.ws.wadl.RepresentationType;
import com.sun.research.ws.wadl.Request;
import com.sun.research.ws.wadl.Resource;
import com.sun.research.ws.wadl.Resources;
import com.sun.research.ws.wadl.Response;
/**
* This class implements the algorithm how the wadl is built for one or more
* {@link AbstractResource} classes. Wadl artifacts are created by a
* {@link WadlGenerator}.
* Created on: Jun 18, 2008
*
* @author Marc Hadley
* @author Martin Grotzke
* @version $Id$
*/
public class WadlBuilder {
private WadlGenerator _wadlGenerator;
public WadlBuilder() {
this( new WadlGeneratorImpl() );
}
public WadlBuilder( WadlGenerator wadlGenerator ) {
_wadlGenerator = wadlGenerator;
}
/**
* Generate WADL for a set of resources.
* @param resources the set of resources
* @return the JAXB WADL application bean
*/
public Application generate(Set resources ) {
Application wadlApplication = _wadlGenerator.createApplication();
Resources wadlResources = _wadlGenerator.createResources();
Set> visitedClasses = new HashSet>();
// for each resource
for (AbstractResource r: resources) {
Resource wadlResource = generateResource(r, null, visitedClasses);
wadlResources.getResource().add(wadlResource);
}
wadlApplication.setResources(wadlResources);
addVersion(wadlApplication);
return wadlApplication;
}
/**
* Generate WADL for a resource.
* @param resource the resource
* @return the JAXB WADL application bean
*/
public Application generate(AbstractResource resource) {
Application wadlApplication = _wadlGenerator.createApplication();
Resources wadlResources = _wadlGenerator.createResources();
Set> visitedClasses = new HashSet>();
Resource wadlResource = generateResource(resource, null, visitedClasses);
wadlResources.getResource().add(wadlResource);
wadlApplication.setResources(wadlResources);
addVersion(wadlApplication);
return wadlApplication;
}
/**
* Generate WADL for a virtual subresource resulting from sub resource
* methods.
* @param resource the parent resource
* @param path the value of the methods path annotations
* @return the JAXB WADL application bean
*/
public Application generate(AbstractResource resource, String path) {
Application wadlApplication = _wadlGenerator.createApplication();
Resources wadlResources = _wadlGenerator.createResources();
Resource wadlResource = generateSubResource(resource, path);
wadlResources.getResource().add(wadlResource);
wadlApplication.setResources(wadlResources);
addVersion(wadlApplication);
return wadlApplication;
}
private void addVersion(Application wadlApplication) {
// Include Jersey version as doc element with generatedBy attribute
Doc d = new Doc();
d.getOtherAttributes().put(new QName("http://jersey.dev.java.net/", "generatedBy", "jersey"),
BuildId.getBuildId());
wadlApplication.getDoc().add(0, d);
}
private com.sun.research.ws.wadl.Method generateMethod(AbstractResource r, final Map wadlResourceParams, final AbstractResourceMethod m) {
com.sun.research.ws.wadl.Method wadlMethod = _wadlGenerator.createMethod( r, m );
// generate the request part
Request wadlRequest = generateRequest(r, m, wadlResourceParams);
if (wadlRequest != null)
wadlMethod.setRequest(wadlRequest);
// generate the response part
Response wadlResponse = generateResponse(r, m);
if (wadlResponse != null)
wadlMethod.setResponse(wadlResponse);
return wadlMethod;
}
private Request generateRequest(AbstractResource r, final AbstractResourceMethod m,
Map wadlResourceParams) {
if (m.getParameters().size()==0)
return null;
Request wadlRequest = _wadlGenerator.createRequest( r, m );
for (Parameter p: m.getParameters()) {
if (p.getSource()==Parameter.Source.ENTITY) {
for (MediaType mediaType: m.getSupportedInputTypes()) {
setRepresentationForMediaType( r, m, mediaType, wadlRequest );
}
}
else if ( p.getAnnotation().annotationType() == FormParam.class ) {
for ( MediaType mediaType: m.getSupportedInputTypes() ) {
final RepresentationType wadlRepresentation = setRepresentationForMediaType( r, m, mediaType, wadlRequest );
if ( getParamByName( wadlRepresentation.getParam(), p.getSourceName() ) == null ) {
final Param wadlParam = generateParam( r, m, p );
if ( wadlParam != null ) {
wadlRepresentation.getParam().add( wadlParam );
}
}
}
}
else {
Param wadlParam = generateParam( r, m, p );
if (wadlParam == null)
continue;
if (wadlParam.getStyle()==ParamStyle.TEMPLATE)
wadlResourceParams.put(wadlParam.getName(),wadlParam);
else
wadlRequest.getParam().add(wadlParam);
}
}
if (wadlRequest.getRepresentation().size()+wadlRequest.getParam().size() == 0)
return null;
else
return wadlRequest;
}
private Param getParamByName( final List params, final String name ) {
for( Param param : params ) {
if ( param.getName().equals( name ) ) {
return param;
}
}
return null;
}
/**
* Create the wadl {@link RepresentationType} for the specified {@link MediaType} if not yet
* existing for the wadl {@link Request} and return it.
* @param r the resource
* @param m the resource method
* @param mediaType an accepted media type of the resource method
* @param wadlRequest the wadl request the wadl representation is to be created for (if not yet existing).
* @author Martin Grotzke
* @return the wadl request representation for the specified {@link MediaType}.
*/
private RepresentationType setRepresentationForMediaType( AbstractResource r,
final AbstractResourceMethod m, MediaType mediaType,
Request wadlRequest ) {
RepresentationType wadlRepresentation = getRepresentationByMediaType( wadlRequest.getRepresentation(), mediaType );
if ( wadlRepresentation == null ) {
wadlRepresentation = _wadlGenerator.createRequestRepresentation( r, m, mediaType );
wadlRequest.getRepresentation().add(wadlRepresentation);
}
return wadlRepresentation;
}
private RepresentationType getRepresentationByMediaType(
final List representations, MediaType mediaType ) {
for( RepresentationType representation : representations ) {
if ( mediaType.toString().equals( representation.getMediaType() ) ) {
return representation;
}
}
return null;
}
private Param generateParam(AbstractResource r, AbstractMethod m, final Parameter p) {
if (p.getSource()==Parameter.Source.ENTITY || p.getSource()==Parameter.Source.CONTEXT)
return null;
Param wadlParam = _wadlGenerator.createParam(r, m, p);
return wadlParam;
}
private Resource generateResource(AbstractResource r, String path, Set> visitedClasses) {
Resource wadlResource = _wadlGenerator.createResource( r, path );
// prevent infinite recursion
if (visitedClasses.contains(r.getResourceClass()))
return wadlResource;
else
visitedClasses.add(r.getResourceClass());
// for each resource method
Map wadlResourceParams = new HashMap();
for (AbstractResourceMethod m : r.getResourceMethods()) {
com.sun.research.ws.wadl.Method wadlMethod = generateMethod(r, wadlResourceParams, m);
wadlResource.getMethodOrResource().add(wadlMethod);
}
// add parameters that are associated with the resource PATH template
for (Param wadlParam : wadlResourceParams.values()) {
wadlResource.getParam().add(wadlParam);
}
// for each sub-resource method
Map wadlSubResources = new HashMap();
Map> wadlSubResourcesParams =
new HashMap>();
for (AbstractSubResourceMethod m : r.getSubResourceMethods()) {
// find or create sub resource for uri template
String template = m.getPath().getValue();
Resource wadlSubResource = wadlSubResources.get(template);
Map wadlSubResourceParams = wadlSubResourcesParams.get(template);
if (wadlSubResource == null) {
wadlSubResource = new Resource();
wadlSubResource.setPath(template);
wadlSubResources.put(template, wadlSubResource);
wadlSubResourceParams = new HashMap();
wadlSubResourcesParams.put(template, wadlSubResourceParams);
wadlResource.getMethodOrResource().add(wadlSubResource);
}
com.sun.research.ws.wadl.Method wadlMethod = generateMethod(r, wadlSubResourceParams, m);
wadlSubResource.getMethodOrResource().add(wadlMethod);
}
// add parameters that are associated with each sub-resource method PATH template
for (Map.Entry e : wadlSubResources.entrySet()) {
String template = e.getKey();
Resource wadlSubResource = e.getValue();
Map wadlSubResourceParams = wadlSubResourcesParams.get(template);
for (Param wadlParam : wadlSubResourceParams.values()) {
wadlSubResource.getParam().add(wadlParam);
}
}
// for each sub resource locator
for (AbstractSubResourceLocator l : r.getSubResourceLocators()) {
AbstractResource subResource = IntrospectionModeller.createResource(
l.getMethod().getReturnType());
Resource wadlSubResource = generateResource(subResource,
l.getPath().getValue(), visitedClasses);
wadlResource.getMethodOrResource().add(wadlSubResource);
for (Parameter p : l.getParameters()) {
Param wadlParam = generateParam(r, l, p);
if (wadlParam != null && wadlParam.getStyle()==ParamStyle.TEMPLATE)
wadlSubResource.getParam().add(wadlParam);
}
}
return wadlResource;
}
private Resource generateSubResource(AbstractResource r, String path) {
Resource wadlResource = new Resource();
if (r.isRootResource()) {
StringBuilder b = new StringBuilder(r.getPath().getValue());
if (!(r.getPath().getValue().endsWith("/") || path.startsWith("/")))
b.append("/");
b.append(path);
wadlResource.setPath(b.toString());
}
// for each sub-resource method
Map wadlSubResourceParams = new HashMap();
for (AbstractSubResourceMethod m : r.getSubResourceMethods()) {
// find or create sub resource for uri template
String template = m.getPath().getValue();
if (!template.equals(path))
continue;
com.sun.research.ws.wadl.Method wadlMethod = generateMethod(r, wadlSubResourceParams, m);
wadlResource.getMethodOrResource().add(wadlMethod);
}
// add parameters that are associated with each sub-resource method PATH template
for (Param wadlParam : wadlSubResourceParams.values()) {
wadlResource.getParam().add(wadlParam);
}
return wadlResource;
}
private Response generateResponse(AbstractResource r, final AbstractResourceMethod m) {
if (m.getMethod().getReturnType() == void.class)
return null;
Response wadlResponse = _wadlGenerator.createResponse( r, m );
return wadlResponse;
}
}