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comparison software/mpdl-services/mpiwg-mpdl-xml-web/src/de/mpg/mpiwg/berlin/mpdl/servlets/xml/XQuery.java @ 19:4a3641ae14d2

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Erstellung
author Josef Willenborg <jwillenborg@mpiwg-berlin.mpg.de>
date Wed, 09 Nov 2011 15:32:05 +0100
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18:dc5e9fcb3fdc 19:4a3641ae14d2
1 package de.mpg.mpiwg.berlin.mpdl.servlets.xml;
2
3 import java.io.IOException;
4 import java.io.PrintWriter;
5 import java.net.URL;
6
7 import javax.servlet.ServletConfig;
8 import javax.servlet.ServletException;
9 import javax.servlet.http.HttpServlet;
10 import javax.servlet.http.HttpServletRequest;
11 import javax.servlet.http.HttpServletResponse;
12
13 import de.mpg.mpiwg.berlin.mpdl.exception.ApplicationException;
14 import de.mpg.mpiwg.berlin.mpdl.xml.xquery.XQueryEvaluator;
15
16 public class XQuery extends HttpServlet {
17 private static final long serialVersionUID = 1L;
18 private XQueryEvaluator xqueryEvaluator;
19
20 public XQuery() {
21 super();
22 }
23
24 public void init(ServletConfig config) throws ServletException {
25 super.init(config);
26 xqueryEvaluator = new XQueryEvaluator();
27 }
28
29 protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
30 String result = null;
31 request.setCharacterEncoding("utf-8");
32 response.setCharacterEncoding("utf-8");
33 String inputString = request.getParameter("inputString");
34 String srcUrlStr = request.getParameter("srcUrl");
35 String xqueryStr = request.getParameter("xquery");
36 try {
37 if (inputString != null) {
38 result = xqueryEvaluator.evaluateAsString(inputString, xqueryStr);
39 } else if (srcUrlStr != null) {
40 URL srcUrl = new URL(srcUrlStr);
41 result = xqueryEvaluator.evaluateAsString(srcUrl, xqueryStr);
42 }
43 response.setContentType("text/xml");
44 PrintWriter out = response.getWriter();
45 out.print("<result>" + result + "</result>");
46 out.close();
47 } catch (ApplicationException e) {
48 throw new ServletException(e);
49 }
50 }
51
52 }