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/*
* 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.tuscany.binding.axis2;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Set;
import java.util.Vector;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.transport.http.AxisServlet;
/**
* This overrides the servlet init of the AxisServlet so Tuscany can use
* a single Axis2 ConfigurationContext instance shared between AxisServlet
* instances for each SCA service with a ws binding.
* TODO: need to review if thats really what we want to be doing
*/
public class Axis2ServiceServlet extends AxisServlet {
private static final long serialVersionUID = 1L;
private static final ServletConfig DUMMY_CONFIG = createDummyServletConfig();
private boolean inited;
public void init(ConfigurationContext configContext) {
this.configContext = configContext;
try {
super.init(DUMMY_CONFIG);
} catch (ServletException e) {
throw new RuntimeException(e);
}
}
/**
* We've setup the Servlet by passing in a ConfigurationContext on our init method
* override this method to just return that
*/
@Override
protected ConfigurationContext initConfigContext(ServletConfig config) throws ServletException {
return this.configContext;
}
/**
* The AxisServlet gets NPE during init without a ServletConfig so this is a mocked up one to prevent that.
*/
private static ServletConfig createDummyServletConfig() {
ServletConfig sc = new ServletConfig() {
public String getServletName() {
return "TuscanyAxis2DummyServlet";
}
public ServletContext getServletContext() {
return new ServletContext() {
public ServletContext getContext(String uripath) {
return null;
}
public int getMajorVersion() {
return 0;
}
public int getMinorVersion() {
return 0;
}
public String getMimeType(String file) {
return null;
}
public Set getResourcePaths(String path) {
return Collections.emptySet();
}
public URL getResource(String path) throws MalformedURLException {
if("/".equals(path)) {
// HACK: To avoid NPE
return new URL("/axis2");
}
return null;
}
public InputStream getResourceAsStream(String path) {
return null;
}
public RequestDispatcher getRequestDispatcher(String path) {
return null;
}
public RequestDispatcher getNamedDispatcher(String arg0) {
return null;
}
public Servlet getServlet(String arg0) throws ServletException {
return null;
}
public Enumeration getServlets() {
return null;
}
public Enumeration getServletNames() {
return null;
}
public void log(String arg0) {
}
public void log(Exception arg0, String arg1) {
}
public void log(String arg0, Throwable arg1) {
}
public String getRealPath(String arg0) {
return null;
}
public String getServerInfo() {
return null;
}
public String getInitParameter(String arg0) {
return null;
}
public Enumeration getInitParameterNames() {
return null;
}
public Object getAttribute(String arg0) {
return null;
}
public Enumeration getAttributeNames() {
return null;
}
public void setAttribute(String arg0, Object arg1) {
}
public void removeAttribute(String arg0) {
}
public String getServletContextName() {
return null;
}
};
}
public String getInitParameter(String arg0) {
return null;
}
public Enumeration getInitParameterNames() {
return new Vector().elements();
}
};
return sc;
}
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// HACK: Get the correct context root which is not available during init() call
if (!inited) {
synchronized (configContext) {
configContext.setContextRoot(request.getContextPath());
inited = true;
}
}
super.service(request, response);
}
}
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