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1
29
30 package com.caucho.java;
31
32 import com.caucho.loader.EnvironmentClassLoader;
33 import com.caucho.util.CharBuffer;
34 import com.caucho.vfs.Encoding;
35 import com.caucho.vfs.IOExceptionWrapper;
36 import com.caucho.vfs.MemoryStream;
37 import com.caucho.vfs.Path;
38 import com.caucho.vfs.ReadStream;
39 import com.caucho.vfs.WriteStream;
40
41 import java.io.IOException  ;
42 import java.io.InputStream ;
43 import java.io.PrintWriter ;
44 import java.lang.reflect.Constructor ;
45 import java.lang.reflect.InvocationTargetException ;
46 import java.lang.reflect.Method ;
47 import java.util.ArrayList ;
48 import java.util.logging.Level ;
49
50
53 public class EclipseCompiler extends AbstractJavaCompiler {
54 private static boolean _hasCompiler;
56 private static final String COMPILER
57 = "org.eclipse.jdt.internal.compiler.batch.Main";
58
59 Process _process;
60 String _userPrefix;
61
62 boolean _isDead;
63
64 public EclipseCompiler(JavaCompiler compiler)
65 {
66 super(compiler);
67 }
68
69 protected void compileInt(String []path, LineMap lineMap)
70 throws IOException , JavaCompileException
71 {
72 if (! _hasCompiler) {
73 try {
74 Class.forName(COMPILER, false,
75 Thread.currentThread().getContextClassLoader());
76
77 _hasCompiler = true;
78 } catch (Exception e) {
79 e.printStackTrace();
80 throw new JavaCompileException(L.l("Resin can't load org.eclipse.jdt.core.JDTCompilerAdapter. Usually this means that the JDK tools.jar is missing from the classpath, possibly because of using a JRE instead of the JDK. You can either add tools.jar to the classpath or change the compiler to an external one with <java compiler='javac'/> or jikes.\n\n{0}", String.valueOf(e)));
81 }
82 }
83
84 executeInt(path, lineMap);
85 }
86
87
90 private void executeInt(String []path, LineMap lineMap)
91 throws JavaCompileException, IOException
92 {
93 MemoryStream tempStream = new MemoryStream();
94 WriteStream error = new WriteStream(tempStream);
95
96 try {
97
99 ArrayList <String > argList = new ArrayList <String >();
100
106 argList.add("-d");
107 argList.add(_compiler.getClassDirName());
108 if (_compiler.getEncoding() != null) {
109 String encoding = Encoding.getJavaName(_compiler.getEncoding());
110 if (encoding != null && ! encoding.equals("ISO8859_1")) {
111 argList.add("-encoding");
112 argList.add(_compiler.getEncoding());
113 }
114 }
115 argList.add("-classpath");
116 argList.add(_compiler.getClassPath());
117 ArrayList <String > args = _compiler.getArgs();
118 if (args != null)
119 argList.addAll(args);
120
121 for (int i = 0; i < path.length; i++) {
122 Path javaPath = _compiler.getSourceDir().lookup(path[i]);
123 argList.add(javaPath.getNativePath());
124 }
125
126 if (log.isLoggable(Level.FINE)) {
127 CharBuffer msg = CharBuffer.allocate();
128 msg.append("javac(int)");
129 for (int i = 0; i < argList.size(); i++) {
130 msg.append(" ");
131 msg.append(argList.get(i));
132 }
133 log.fine(msg.close());
134 }
135
136 String []argArray = argList.toArray(new String [argList.size()]);
137
138 int status = -1;
139
140 Thread thread = Thread.currentThread();
141 ClassLoader oldLoader = thread.getContextClassLoader();
142 try {
143 EnvironmentClassLoader env;
144 env = new EnvironmentClassLoader(ClassLoader.getSystemClassLoader());
145 thread.setContextClassLoader(env);
146
147 try {
148 Class cl = Class.forName(COMPILER, false, env);
149 Constructor xtor = cl.getConstructor(new Class [] { PrintWriter .class, PrintWriter .class, boolean.class });
150
151 Object value = xtor.newInstance(error.getPrintWriter(), error.getPrintWriter(), Boolean.FALSE);
152
153 Method compile = cl.getMethod("compile", new Class [] { String [].class });
154
155 Object result = compile.invoke(value, new Object [] { argArray });
156
157 status = Boolean.TRUE.equals(result) ? 0 : -1;
158 } catch (ClassNotFoundException e) {
159 throw new JavaCompileException(L.l("Can't find internal Java compiler. Either configure an external compiler with <javac> or use a JDK which contains a Java compiler."));
160 } catch (NoSuchMethodException e) {
161 throw new JavaCompileException(e);
162 } catch (InstantiationException e) {
163 throw new JavaCompileException(e);
164 } catch (IllegalAccessException e) {
165 throw new JavaCompileException(e);
166 } catch (InvocationTargetException e) {
167 throw new IOExceptionWrapper(e);
168 }
169
170 error.close();
171 tempStream.close();
172 } finally {
173 thread.setContextClassLoader(oldLoader);
174 }
175
176 ReadStream read = tempStream.openRead();
177 JavacErrorParser parser = new JavacErrorParser();
178
179 String errors = parser.parseErrors((InputStream ) read, lineMap);
180 read.close();
181
182 if (errors != null)
183 errors = errors.trim();
184
185 if (log.isLoggable(Level.FINE)) {
186 read = tempStream.openRead();
187 CharBuffer cb = new CharBuffer();
188 int ch;
189 while ((ch = read.read()) >= 0) {
190 cb.append((char) ch);
191 }
192 read.close();
193
194 log.fine(cb.toString());
195 }
196
208
209 if (status != 0)
210 throw new JavaCompileException(errors);
211 } finally {
212 tempStream.destroy();
213 }
214 }
215 }
216 |
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