/*
* Copyright 2005-2014 the original author or authors.
*
* Licensed 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.springframework.ws.client.core;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.StringTokenizer;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.soap.MessageFactory;
import javax.xml.soap.MimeHeader;
import javax.xml.soap.MimeHeaders;
import javax.xml.soap.SOAPException;
import javax.xml.soap.SOAPMessage;
import org.springframework.util.StringUtils;
/**
* A simple Servlet that uses SAAJ to echo request.
*
* @author Arjen Poutsma
* @since 1.0.0
*/
@SuppressWarnings("serial")
public class SimpleSaajServlet extends HttpServlet {
private MessageFactory msgFactory = null;
@Override
public void init(ServletConfig servletConfig) throws ServletException {
super.init(servletConfig);
try {
msgFactory = MessageFactory.newInstance();
}
catch (SOAPException ex) {
throw new ServletException("Unable to create message factory" + ex.getMessage());
}
}
private MimeHeaders getHeaders(HttpServletRequest httpServletRequest) {
Enumeration<?> enumeration = httpServletRequest.getHeaderNames();
MimeHeaders headers = new MimeHeaders();
while (enumeration.hasMoreElements()) {
String headerName = (String) enumeration.nextElement();
String headerValue = httpServletRequest.getHeader(headerName);
StringTokenizer values = new StringTokenizer(headerValue, ",");
while (values.hasMoreTokens()) {
headers.addHeader(headerName, values.nextToken().trim());
}
}
return headers;
}
private void putHeaders(MimeHeaders headers, HttpServletResponse res) {
Iterator<?> it = headers.getAllHeaders();
while (it.hasNext()) {
MimeHeader header = (MimeHeader) it.next();
String[] values = headers.getHeader(header.getName());
String value = StringUtils.arrayToCommaDelimitedString(values);
res.setHeader(header.getName(), value);
}
}
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
try {
MimeHeaders headers = getHeaders(req);
SOAPMessage request = msgFactory.createMessage(headers, req.getInputStream());
SOAPMessage reply = onMessage(request);
if (reply != null) {
if (reply.saveRequired()) {
reply.saveChanges();
}
resp.setStatus(!reply.getSOAPBody().hasFault() ? HttpServletResponse.SC_OK :
HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
putHeaders(reply.getMimeHeaders(), resp);
reply.writeTo(resp.getOutputStream());
}
else {
resp.setStatus(HttpServletResponse.SC_ACCEPTED);
}
}
catch (Exception ex) {
throw new ServletException("SAAJ POST failed " + ex.getMessage());
}
}
protected SOAPMessage onMessage(SOAPMessage message) {
return message;
}
}