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Java > Open Source Codes > com > caucho > java > AbstractJavaCompiler


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  * Free SoftwareFoundation, Inc.
23  * 59 Temple Place, Suite 330
24  * Boston, MA 02111-1307 USA
25  *
26  * @author Scott Ferguson
27  */
28
29 package com.caucho.java;
30
31 import com.caucho.log.Log;
32 import com.caucho.util.L10N;
33
34 import java.io.IOException JavaDoc;
35 import java.util.logging.Logger JavaDoc;
36
37 /**
38  * Compiles Java source, returning the loaded class.
39  */
40 abstract public class AbstractJavaCompiler implements Runnable JavaDoc {
41   protected static final L10N L = new L10N(AbstractJavaCompiler.class);
42   protected static final Logger JavaDoc log = Log.open(AbstractJavaCompiler.class);
43   
44   protected JavaCompiler _compiler;
45   private volatile boolean _isDone;
46
47   // path of source files
48 private String JavaDoc []_path;
49   private LineMap _lineMap;
50   
51   private Throwable JavaDoc _exception;
52   
53   public AbstractJavaCompiler(JavaCompiler compiler)
54   {
55     _compiler = compiler;
56   }
57
58   /**
59    * Sets the path of files to compile.
60    */
61   public void setPath(String JavaDoc []path)
62   {
63     _path = path;
64   }
65
66   /**
67    * Sets the LineMap for the file
68    */
69   public void setLineMap(LineMap lineMap)
70   {
71     _lineMap = lineMap;
72   }
73
74   /**
75    * Returns any compile exception.
76    */
77   public Throwable JavaDoc getException()
78   {
79     return _exception;
80   }
81
82   /**
83    * Returns true when the compilation is done.
84    */
85   public boolean isDone()
86   {
87     return _isDone;
88   }
89
90   /**
91    * runs the compiler.
92    */
93   public void run()
94   {
95     try {
96       Thread.currentThread().setContextClassLoader(ClassLoader.getSystemClassLoader());
97       
98       compileInt(_path, _lineMap);
99     } catch (Throwable JavaDoc e) {
100       _exception = e;
101     } finally {
102       _isDone = true;
103
104       synchronized (this) {
105     notifyAll();
106       }
107     }
108   }
109
110   /**
111    * Quit the compilation.
112    */
113   public void abort()
114   {
115   }
116
117   /**
118    * Compile the configured file.
119    *
120    * @param path the path to the java source.
121    * @param lineMap mapping from the generated source to the original files.
122    */
123   abstract protected void compileInt(String JavaDoc []path, LineMap lineMap)
124     throws IOException JavaDoc;
125 }
126
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