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17 package org.springframework.ws.client.core;
18
19 import java.io.IOException;
20 import java.util.Enumeration;
21 import java.util.Iterator;
22 import java.util.StringTokenizer;
23 import javax.servlet.ServletConfig;
24 import javax.servlet.ServletException;
25 import javax.servlet.http.HttpServlet;
26 import javax.servlet.http.HttpServletRequest;
27 import javax.servlet.http.HttpServletResponse;
28 import javax.xml.soap.MessageFactory;
29 import javax.xml.soap.MimeHeader;
30 import javax.xml.soap.MimeHeaders;
31 import javax.xml.soap.SOAPException;
32 import javax.xml.soap.SOAPMessage;
33
34 import org.springframework.util.StringUtils;
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41
42 public class SimpleSaajServlet extends HttpServlet {
43
44 private MessageFactory msgFactory = null;
45
46 public void init(ServletConfig servletConfig) throws ServletException {
47 super.init(servletConfig);
48 try {
49 msgFactory = MessageFactory.newInstance();
50 }
51 catch (SOAPException ex) {
52 throw new ServletException("Unable to create message factory" + ex.getMessage());
53 }
54 }
55
56 private MimeHeaders getHeaders(HttpServletRequest httpServletRequest) {
57 Enumeration enumeration = httpServletRequest.getHeaderNames();
58 MimeHeaders headers = new MimeHeaders();
59 while (enumeration.hasMoreElements()) {
60 String headerName = (String) enumeration.nextElement();
61 String headerValue = httpServletRequest.getHeader(headerName);
62 StringTokenizer values = new StringTokenizer(headerValue, ",");
63 while (values.hasMoreTokens()) {
64 headers.addHeader(headerName, values.nextToken().trim());
65 }
66 }
67 return headers;
68 }
69
70 private void putHeaders(MimeHeaders headers, HttpServletResponse res) {
71 Iterator it = headers.getAllHeaders();
72 while (it.hasNext()) {
73 MimeHeader header = (MimeHeader) it.next();
74 String[] values = headers.getHeader(header.getName());
75 String value = StringUtils.arrayToCommaDelimitedString(values);
76 res.setHeader(header.getName(), value);
77 }
78 }
79
80 public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
81 try {
82 MimeHeaders headers = getHeaders(req);
83 SOAPMessage request = msgFactory.createMessage(headers, req.getInputStream());
84 SOAPMessage reply = onMessage(request);
85 if (reply != null) {
86 if (reply.saveRequired()) {
87 reply.saveChanges();
88 }
89 resp.setStatus(!reply.getSOAPBody().hasFault() ? HttpServletResponse.SC_OK :
90 HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
91 putHeaders(reply.getMimeHeaders(), resp);
92 reply.writeTo(resp.getOutputStream());
93 }
94 else {
95 resp.setStatus(HttpServletResponse.SC_ACCEPTED);
96 }
97 }
98 catch (Exception ex) {
99 throw new ServletException("SAAJ POST failed " + ex.getMessage());
100 }
101 }
102
103 protected SOAPMessage onMessage(SOAPMessage message) {
104 return message;
105 }
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107
108 }