1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.tools;
24  
25  import com.liferay.portal.kernel.util.FileUtil;
26  import com.liferay.portal.kernel.util.GetterUtil;
27  import com.liferay.portal.kernel.util.StringUtil;
28  import com.liferay.portal.kernel.xml.Document;
29  import com.liferay.portal.kernel.xml.Element;
30  import com.liferay.portal.kernel.xml.SAXReaderUtil;
31  import com.liferay.portal.util.InitUtil;
32  import com.liferay.util.xml.XMLFormatter;
33  
34  import java.util.Iterator;
35  
36  /**
37   * <a href="WebXML23Converter.java.html"><b><i>View Source</i></b></a>
38   *
39   * @author  Brian Wing Shun Chan
40   *
41   */
42  public class WebXML23Converter {
43  
44      public static void main(String[] args) {
45          InitUtil.initWithSpring();
46  
47          if (args.length == 2) {
48              new WebXML23Converter(args[0], args[1]);
49          }
50          else {
51              throw new IllegalArgumentException();
52          }
53      }
54  
55      public WebXML23Converter(String input, String output) {
56          try {
57              String webXML24 = FileUtil.read(input);
58  
59              Document doc = SAXReaderUtil.read(webXML24);
60  
61              Element root = doc.getRootElement();
62  
63              double version = GetterUtil.getDouble(
64                  root.attributeValue("version"));
65  
66              if (version == 2.4) {
67                  System.out.println(
68                      "Convert web.xml because it is Servlet 2.4");
69              }
70              else {
71                  System.out.println(
72                      "Do not convert web.xml because it is not Servlet 2.4");
73  
74                  return;
75              }
76  
77              Iterator<Element> itr1 = root.elements("filter-mapping").iterator();
78  
79              while (itr1.hasNext()) {
80                  Element filterMapping = itr1.next();
81  
82                  Iterator<Element> itr2 = filterMapping.elements(
83                      "dispatcher").iterator();
84  
85                  while (itr2.hasNext()) {
86                      Element dispatcher = itr2.next();
87  
88                      dispatcher.detach();
89                  }
90              }
91  
92              String webXML23 = doc.formattedString();
93  
94              int x = webXML23.indexOf("<web-app");
95              int y = webXML23.indexOf(">", x);
96  
97              webXML23 = webXML23.substring(0, x) + "<!DOCTYPE web-app PUBLIC \"-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN\" \"http://java.sun.com/dtd/web-app_2_3.dtd\"><web-app>" + webXML23.substring(y + 1, webXML23.length());
98  
99              webXML23 = StringUtil.replace(
100                 webXML23,
101                 new String[] {
102                     "<jsp-config>", "</jsp-config>"
103                 },
104                 new String[] {
105                     "", ""
106                 });
107 
108             webXML23 = XMLFormatter.toString(webXML23);
109 
110             FileUtil.write(output, webXML23);
111         }
112         catch (Exception e) {
113             e.printStackTrace();
114         }
115     }
116 
117 }