001: /*
002: License $Id: SunCompiler.java,v 1.7 2004/04/16 01:30:03 hendriks73 Exp $
003:
004: Copyright (c) 2001-2005 tagtraum industries.
005:
006: LGPL
007: ====
008:
009: jo! is free software; you can redistribute it and/or
010: modify it under the terms of the GNU Lesser General Public
011: License as published by the Free Software Foundation; either
012: version 2.1 of the License, or (at your option) any later version.
013:
014: jo! is distributed in the hope that it will be useful,
015: but WITHOUT ANY WARRANTY; without even the implied warranty of
016: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017: Lesser General Public License for more details.
018:
019: You should have received a copy of the GNU Lesser General Public
020: License along with this library; if not, write to the Free Software
021: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
022:
023: For LGPL see <http://www.fsf.org/copyleft/lesser.txt>
024:
025:
026: Sun license
027: ===========
028:
029: This release contains software by Sun Microsystems. Therefore
030: the following conditions have to be met, too. They apply to the
031: files
032:
033: - lib/mail.jar
034: - lib/activation.jar
035: - lib/jsse.jar
036: - lib/jcert.jar
037: - lib/jaxp.jar
038: - lib/crimson.jar
039: - lib/servlet.jar
040: - lib/jnet.jar
041: - lib/jaas.jar
042: - lib/jaasmod.jar
043:
044: contained in this release.
045:
046: a. Licensee may not modify the Java Platform
047: Interface (JPI, identified as classes contained within the javax
048: package or any subpackages of the javax package), by creating additional
049: classes within the JPI or otherwise causing the addition to or modification
050: of the classes in the JPI. In the event that Licensee creates any
051: Java-related API and distribute such API to others for applet or
052: application development, you must promptly publish broadly, an accurate
053: specification for such API for free use by all developers of Java-based
054: software.
055:
056: b. Software is confidential copyrighted information of Sun and
057: title to all copies is retained by Sun and/or its licensors. Licensee
058: shall not modify, decompile, disassemble, decrypt, extract, or otherwise
059: reverse engineer Software. Software may not be leased, assigned, or
060: sublicensed, in whole or in part. Software is not designed or intended
061: for use in on-line control of aircraft, air traffic, aircraft navigation
062: or aircraft communications; or in the design, construction, operation or
063: maintenance of any nuclear facility. Licensee warrants that it will not
064: use or redistribute the Software for such purposes.
065:
066: c. Software is provided "AS IS," without a warranty
067: of any kind. ALL EXPRESS OR IMPLIED REPRESENTATIONS AND WARRANTIES,
068: INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
069: PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED.
070:
071: d. This License is effective until terminated. Licensee may
072: terminate this License at any time by destroying all copies of Software.
073: This License will terminate immediately without notice from Sun if Licensee
074: fails to comply with any provision of this License. Upon such termination,
075: Licensee must destroy all copies of Software.
076:
077: e. Software, including technical data, is subject to U.S.
078: export control laws, including the U.S. Export Administration Act and its
079: associated regulations, and may be subject to export or import regulations
080: in other countries. Licensee agrees to comply strictly with all such
081: regulations and acknowledges that it has the responsibility to obtain
082: licenses to export, re-export, or import Software. Software may not be
083: downloaded, or otherwise exported or re-exported (i) into, or to a national
084: or resident of, Cuba, Iraq, Iran, North Korea, Libya, Sudan, Syria or any
085: country to which the U.S. has embargoed goods; or (ii) to anyone on the
086: U.S. Treasury Department's list of Specially Designated Nations or the U.S.
087: Commerce Department's Table of Denial Orders.
088:
089:
090: Feedback
091: ========
092:
093: We encourage your feedback and suggestions and want to use your feedback to
094: improve the Software. Send all such feedback to:
095: <feedback@tagtraum.com>
096:
097: For more information on tagtraum industries and jo!
098: please see <http://www.tagtraum.com/>.
099:
100:
101: */
102: package com.tagtraum.framework.compiler;
103:
104: import com.tagtraum.framework.util.URLHelper;
105:
106: import java.io.ByteArrayOutputStream;
107: import java.io.File;
108: import java.io.OutputStream;
109: import java.io.PrintStream;
110: import java.lang.reflect.Constructor;
111: import java.lang.reflect.Method;
112: import java.net.URL;
113: import java.net.URLClassLoader;
114:
115: /**
116: * Encapsulates the compilation process.
117: *
118: * @author <a href="mailto:hs@tagtraum.com">Hendrik Schreiber</a>
119: * @version 1.1beta1 $Id: SunCompiler.java,v 1.7 2004/04/16 01:30:03 hendriks73 Exp $
120: */
121: class SunCompiler extends AbstractCompiler implements Compiler {
122:
123: /**
124: * Source-Version
125: */
126: public static String vcid = "$Id: SunCompiler.java,v 1.7 2004/04/16 01:30:03 hendriks73 Exp $";
127:
128: private static Method compileMethod;
129: private static Constructor javacConstructor;
130: private static Exception initException;
131:
132: static {
133: try {
134: Class javacClass = Class.forName("sun.tools.javac.Main");
135:
136: javacConstructor = javacClass.getConstructor(new Class[] {
137: OutputStream.class, String.class });
138: compileMethod = javacClass.getMethod("compile",
139: new Class[] { String[].class });
140: } catch (Exception e1) {
141: // add [JAVA_HOME]/../lib/tools.jar to classpath
142: // this should work if the JDK instead of the JRE is used.
143: try {
144: URL[] urls = new URL[1];
145:
146: urls[0] = URLHelper.make(System
147: .getProperty("java.home")
148: + "/../lib/tools.jar");
149:
150: ClassLoader cl = new URLClassLoader(urls);
151: Class javacClass = Class.forName(
152: "sun.tools.javac.Main", true, cl);
153:
154: javacConstructor = javacClass
155: .getConstructor(new Class[] {
156: OutputStream.class, String.class });
157: compileMethod = javacClass.getMethod("compile",
158: new Class[] { String[].class });
159: } catch (Exception e2) {
160: initException = e2;
161: }
162: }
163: }
164:
165: public SunCompiler() throws CompilerException {
166: if (initException != null) {
167: throw new CompilerException(
168: "Failed to initialize SunCompiler: "
169: + initException.toString());
170: }
171: }
172:
173: /**
174: * Compiles the given file.
175: */
176: public void compile(File sourceFile, String aEncoding)
177: throws CompilerException {
178: String[] compilerArgs = new String[] { "-g", "-encoding",
179: aEncoding, "-classpath", classpath, "-d",
180: outputDirectory, sourceFile.toString() };
181: // debugstream
182: ByteArrayOutputStream compilerOut = new ByteArrayOutputStream();
183: PrintStream compilerOutStream = new PrintStream(compilerOut,
184: true);
185:
186: StringBuffer compilerCommand = new StringBuffer("builtin-javac");
187: for (int i = 0; i < compilerArgs.length; i++) {
188: // write to CompilerOut, so that we can controll it
189: compilerCommand.append(' ');
190: compilerCommand.append(compilerArgs[i]);
191: }
192: try {
193: Object javac = javacConstructor.newInstance(new Object[] {
194: compilerOutStream, "javac" });
195: Object compileOut = compileMethod.invoke(javac,
196: new Object[] { compilerArgs });
197:
198: if (!((Boolean) compileOut).booleanValue()) {
199: ErrorMessage[] messages = getErrorMessages(compilerOut
200: .toString());
201: String message = messages == null ? "CompilerCommand : "
202: + compilerCommand
203: + System.getProperty("line.separator")
204: + compilerOut.toString()
205: : compilerCommand.toString();
206: throw new CompilerException(sourceFile.toString(),
207: message, messages);
208: }
209: } catch (CompilerException ce) {
210: throw ce;
211: } catch (Exception e) {
212: throw new CompilerException(sourceFile.toString(), e
213: .getMessage());
214: }
215: compilerOutStream.close();
216: }
217:
218: public Compiler newInstance() throws CompilerException {
219: return new SunCompiler();
220: }
221:
222: /**
223: * Description of compiler.
224: */
225: public String toString() {
226: return "Built-in classic javac: sun.tools.javac.Main";
227: }
228:
229: protected ErrorMessage[] getErrorMessages(String compilerOutput) {
230: return SunCompilerErrorMessageParser
231: .getErrorMessages(compilerOutput);
232: }
233:
234: }
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