/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.qpid.management.web.action;
import java.io.IOException;
import java.net.URI;
import javax.management.ObjectName;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;
import org.apache.muse.core.proxy.ProxyHandler;
import org.apache.muse.core.proxy.ReflectionProxyHandler;
import org.apache.muse.util.xml.XmlUtils;
import org.apache.muse.ws.addressing.EndpointReference;
import org.apache.muse.ws.metadata.WsxConstants;
import org.apache.muse.ws.resource.remote.WsResourceClient;
import org.apache.qpid.management.Names;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class WsdmWsdlPerspectiveAction extends HttpServlet
{
private static final long serialVersionUID = -2411413147821629363L;
private static final Object [] WSDL_DIALECT = new Object[]{WsxConstants.WSDL_DIALECT};
private ProxyHandler proxyHandler;
private URI resourceUri;
@Override
public void init() throws ServletException
{
proxyHandler = new ReflectionProxyHandler();
proxyHandler.setAction(WsxConstants.GET_METADATA_URI);
proxyHandler.setRequestName(WsxConstants.GET_METADATA_QNAME);
proxyHandler.setRequestParameterNames(new QName[]{
new QName(
WsxConstants.NAMESPACE_URI,
WsxConstants.DIALECT,
WsxConstants.PREFIX)});
proxyHandler.setResponseName(WsxConstants.METADATA_QNAME);
proxyHandler.setReturnType(Element[].class);
}
@SuppressWarnings("unchecked")
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
try
{
String resourceId = request.getParameter("resourceId");
ObjectName objectName = new ObjectName(resourceId);
String wsresourceid = objectName.getKeyProperty(Names.OBJECT_ID);
EndpointReference resourceEndpointReference = new EndpointReference(getURI(request));
resourceEndpointReference.addParameter(
Names.RESOURCE_ID_QNAME,
wsresourceid);
WsResourceClient resourceClient = new WsResourceClient(resourceEndpointReference);
Element wsdl = ((Element[])resourceClient.invoke(proxyHandler,WSDL_DIALECT))[0];
NodeList nodelist = wsdl.getChildNodes();
Element definitions = null;
for (int i = 0; i < nodelist.getLength(); i++)
{
Node node = nodelist.item(i);
switch (node.getNodeType())
{
case Node.ELEMENT_NODE:
{
Element element = (Element) node;
if (element.getNodeName().indexOf("definitions") != -1)
{
definitions = element;
break;
}
}
}
}
String output = XmlUtils.toString(definitions);
String [] keyProperties = objectName.getKeyPropertyListString().split(",");
request.setAttribute("resourceId", resourceId);
request.setAttribute("nameAttributes",keyProperties);
request.setAttribute("wsdl",output);
RequestDispatcher dispatcher = request.getRequestDispatcher("/wsdm_wsdl_perspective.jsp");
dispatcher.forward(request,response);
} catch(Exception exception)
{
request.setAttribute("errorMessage","Unable to detect the exact cause Please look at the reported stack trace below.");
request.setAttribute("exception",exception);
RequestDispatcher dispatcher = request.getRequestDispatcher("/error_page.jsp");
dispatcher.forward(request,response);
}
}
private URI getURI(HttpServletRequest request)
{
if (resourceUri == null)
{
StringBuilder builder = new StringBuilder();
builder
.append("http://")
.append(request.getServerName())
.append(":")
.append(request.getServerPort())
.append("/qman/services/QManWsResource");
resourceUri = URI.create(builder.toString());
}
return resourceUri;
}
}