001 /*
002 *
003 * Licensed to the Apache Software Foundation (ASF) under one
004 * or more contributor license agreements. See the NOTICE file
005 * distributed with this work for additional information
006 * regarding copyright ownership. The ASF licenses this file
007 * to you under the Apache License, Version 2.0 (the
008 * "License"); you may not use this file except in compliance
009 * with the License. You may obtain a copy of the License at
010 *
011 * http://www.apache.org/licenses/LICENSE-2.0
012 *
013 * Unless required by applicable law or agreed to in writing,
014 * software distributed under the License is distributed on an
015 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
016 * KIND, either express or implied. See the License for the
017 * specific language governing permissions and limitations
018 * under the License.
019 *
020 */
021 package org.apache.qpid.management.web.action;
022
023 import java.io.IOException;
024 import java.net.URI;
025
026 import javax.management.ObjectName;
027 import javax.servlet.RequestDispatcher;
028 import javax.servlet.ServletException;
029 import javax.servlet.http.HttpServlet;
030 import javax.servlet.http.HttpServletRequest;
031 import javax.servlet.http.HttpServletResponse;
032 import javax.xml.namespace.QName;
033
034 import org.apache.muse.core.proxy.ProxyHandler;
035 import org.apache.muse.core.proxy.ReflectionProxyHandler;
036 import org.apache.muse.util.xml.XmlUtils;
037 import org.apache.muse.ws.addressing.EndpointReference;
038 import org.apache.muse.ws.resource.remote.WsResourceClient;
039 import org.apache.qpid.management.Names;
040 import org.w3c.dom.Element;
041 import org.w3c.dom.Node;
042 import org.w3c.dom.NodeList;
043
044 public class WsdmWsdlPerspectiveAction extends HttpServlet
045 {
046 private static final long serialVersionUID = -2411413147821629363L;
047 private static final Object [] WSDL_DIALECT = new Object[]{"http://schemas.xmlsoap.org/wsdl/"};
048
049 private ProxyHandler proxyHandler;
050
051 private URI resourceUri;
052
053 @Override
054 public void init() throws ServletException
055 {
056 proxyHandler = new ReflectionProxyHandler();
057 proxyHandler.setAction("http://schemas.xmlsoap.org/ws/2004/09/mex/GetMetadata");
058 proxyHandler.setRequestName(new QName("http://schemas.xmlsoap.org/ws/2004/09/mex", "GetMetadata", Names.PREFIX));
059 proxyHandler.setRequestParameterNames(new QName[]{new QName("http://schemas.xmlsoap.org/ws/2004/09/mex", "Dialect", Names.PREFIX)});
060 proxyHandler.setResponseName(new QName("http://schemas.xmlsoap.org/ws/2004/09/mex", "Metadata", Names.PREFIX));
061 proxyHandler.setReturnType(Element[].class);
062 }
063
064 @SuppressWarnings("unchecked")
065 @Override
066 protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
067 {
068 try
069 {
070 String resourceId = request.getParameter("resourceId");
071 ObjectName objectName = new ObjectName(resourceId);
072
073 String wsresourceid = objectName.getKeyProperty(Names.OBJECT_ID);
074 EndpointReference resourceEndpointReference = new EndpointReference(getURI(request));
075 resourceEndpointReference.addParameter(
076 Names.RESOURCE_ID_QNAME,
077 wsresourceid);
078
079 WsResourceClient resourceClient = new WsResourceClient(resourceEndpointReference);
080 Element wsdl = ((Element[])resourceClient.invoke(proxyHandler,WSDL_DIALECT))[0];
081
082 NodeList nodelist = wsdl.getChildNodes();
083 Element definitions = null;
084 for (int i = 0; i < nodelist.getLength(); i++)
085 {
086 Node node = nodelist.item(i);
087 switch (node.getNodeType())
088 {
089 case Node.ELEMENT_NODE:
090 {
091 Element element = (Element) node;
092 if (element.getNodeName().indexOf("definitions") != -1)
093 {
094 definitions = element;
095 break;
096 }
097 }
098 }
099 }
100
101 String output = XmlUtils.toString(definitions);
102
103 String [] keyProperties = objectName.getKeyPropertyListString().split(",");
104
105 request.setAttribute("resourceId", resourceId);
106 request.setAttribute("nameAttributes",keyProperties);
107 request.setAttribute("wsdl",output);
108 RequestDispatcher dispatcher = request.getRequestDispatcher("/wsdm_wsdl_perspective.jsp");
109 dispatcher.forward(request,response);
110 } catch(Exception exception)
111 {
112 request.setAttribute("errorMessage","Unable to detect the exact cause Please look at the reported stack trace below.");
113 request.setAttribute("exception",exception);
114 RequestDispatcher dispatcher = request.getRequestDispatcher("/error_page.jsp");
115 dispatcher.forward(request,response);
116 }
117 }
118
119 private URI getURI(HttpServletRequest request)
120 {
121 if (resourceUri == null)
122 {
123 StringBuilder builder = new StringBuilder();
124 builder
125 .append("http://")
126 .append(request.getServerName())
127 .append(":")
128 .append(request.getServerPort())
129 .append("/qman/services/QManWsResource");
130 resourceUri = URI.create(builder.toString());
131 }
132 return resourceUri;
133 }
134 }
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