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Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 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
* https://glassfish.dev.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]"
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* 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
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* and therefore, elected the GPL Version 2 license, then the option applies
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*/
package org.glassfish.admin.rest.composite.metadata;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.OPTIONS;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.core.MultivaluedHashMap;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import org.glassfish.admin.rest.OptionsCapable;
/**
*
* @author jdlee
*/
public class RestResourceMetadata {
private MultivaluedHashMap resourceMethods = new MultivaluedHashMap();
private List subResources = new ArrayList();
private OptionsCapable context;
public RestResourceMetadata(OptionsCapable context) {
this.context = context;
processClass();
}
public MultivaluedHashMap getResourceMethods() {
return resourceMethods;
}
public void setResourceMethods(MultivaluedHashMap resourceMethods) {
this.resourceMethods = resourceMethods;
}
public List getSubResources() {
return subResources;
}
public void setSubResources(List subResources) {
this.subResources = subResources;
}
private void processClass() {
for (Method m : context.getClass().getMethods()) {
Annotation designator = getMethodDesignator(m);
if (designator != null) {
final String httpMethod = designator.annotationType().getSimpleName();
RestMethodMetadata rmm = new RestMethodMetadata(context, m, designator);
// if (resourceMethods.containsKey(httpMethod)) {
// throw new RuntimeException("Multiple " + httpMethod + " methods found on resource: " +
// context.getClass().getName());
// }
resourceMethods.add(httpMethod, rmm);
}
final Path path = m.getAnnotation(Path.class);
if (path != null) {
subResources.add(context.getUriInfo().getAbsolutePathBuilder().build().toASCIIString() + "/" + path.value());
}
}
Collections.sort(subResources);
}
private Annotation getMethodDesignator(Method method) {
Annotation a = method.getAnnotation(GET.class);
if (a == null) {
a = method.getAnnotation(POST.class);
if (a == null) {
a = method.getAnnotation(DELETE.class);
if (a == null) {
a = method.getAnnotation(OPTIONS.class);
}
}
}
return a;
}
public JSONObject toJson() throws JSONException {
JSONObject o = new JSONObject();
if (!resourceMethods.isEmpty()) {
final JSONObject methods = new JSONObject();
for (String key : resourceMethods.keySet()) {
for (RestMethodMetadata rmm : resourceMethods.get(key)) {
methods.accumulate(key, rmm.toJson());
}
}
o.accumulate("resourceMethods", methods);
}
if (!subResources.isEmpty()) {
o.put("subResources", subResources);
}
return o;
}
}