1   /**
2    * Copyright (c) 2000-2007 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.GetterUtil;
26  import com.liferay.portal.kernel.util.StringMaker;
27  import com.liferay.portal.kernel.util.StringUtil;
28  import com.liferay.util.FileUtil;
29  
30  import java.io.BufferedReader;
31  import java.io.File;
32  import java.io.InputStreamReader;
33  
34  import java.util.ArrayList;
35  import java.util.List;
36  
37  /**
38   * <a href="JSPCompiler.java.html"><b><i>View Source</i></b></a>
39   *
40   * @author Brian Wing Shun Chan
41   * @author Henrik Bentel
42   *
43   */
44  public class JSPCompiler {
45  
46      public static void main(String[] args) {
47          if (args.length == 4) {
48              new JSPCompiler(args[0], args[1], args[2], args[3], false);
49          }
50          else if (args.length == 5) {
51              new JSPCompiler(
52                  args[0], args[1], args[2], args[3],
53                  GetterUtil.getBoolean(args[4]));
54          }
55          else {
56              throw new IllegalArgumentException();
57          }
58      }
59  
60      public JSPCompiler(String appServerType, String compiler, String classPath,
61                         String directory, boolean checkTimeStamp) {
62  
63          try {
64              _compiler = compiler;
65  
66              if (!_compiler.equals("jikes")) {
67                  _compiler = "javac";
68              }
69  
70              _classPath = StringUtil.replace(
71                  classPath, ";", System.getProperty("path.separator"));
72              _directory = directory;
73              _checkTimeStamp = checkTimeStamp;
74  
75              _compile(new File(directory));
76          }
77          catch (Exception e) {
78              e.printStackTrace();
79          }
80      }
81  
82      private void _compile(File directory) throws Exception {
83          if (directory.exists() && directory.isDirectory()) {
84              List fileList = new ArrayList();
85  
86              File[] fileArray = FileUtil.sortFiles(directory.listFiles());
87  
88              for (int i = 0; i < fileArray.length; i++) {
89                  File file = fileArray[i];
90  
91                  if (file.isDirectory()) {
92                      _compile(fileArray[i]);
93                  }
94                  else if (file.getName().endsWith(".java")) {
95                      fileList.add(file);
96                  }
97              }
98  
99              _compile(directory.getPath(), fileList);
100         }
101     }
102 
103     private void _compile(String sourcePath, List files) throws Exception {
104         if (files.size() == 0) {
105             return;
106         }
107 
108         System.out.println(sourcePath);
109 
110         for (int i = 0; i < files.size(); i++) {
111             File file = (File)files.get(i);
112 
113             String classDestination = _directory;
114 
115             String cmd =
116                 _compiler + " -classpath " + _classPath +
117                 " -d " + classDestination + " " +
118                 file.toString();
119 
120             File classFile = new File(
121                 sourcePath + File.separator +
122                 StringUtil.replace(file.getName(), ".java", ".class"));
123 
124             if (!classFile.exists() ||
125                 (_checkTimeStamp &&
126                  (file.lastModified() > classFile.lastModified()))) {
127 
128                 Runtime rt = Runtime.getRuntime();
129 
130                 try {
131                     Process p = rt.exec(cmd);
132 
133                     BufferedReader br = new BufferedReader(
134                         new InputStreamReader(p.getErrorStream()));
135 
136                     StringMaker sm = new StringMaker();
137                     String line = null;
138 
139                     while ((line = br.readLine()) != null) {
140                         sm.append(line).append("\n");
141                     }
142 
143                     br.close();
144 
145                     p.waitFor();
146                     p.destroy();
147 
148                     if (!classFile.exists()) {
149                         FileUtil.write(
150                             classFile.toString() + ".jspc_error",
151                             sm.toString());
152                     }
153                 }
154                 catch (Exception e) {
155                     e.printStackTrace();
156                 }
157             }
158         }
159     }
160 
161     private String _compiler;
162     private String _classPath;
163     private String _directory;
164     private boolean _checkTimeStamp;
165 
166 }