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/*******************************************************************************
* Copyright (c) 2000, 2004 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core;
import java.io.File;
import java.io.PrintWriter;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.taskdefs.Javac;
import org.apache.tools.ant.taskdefs.compilers.DefaultCompilerAdapter;
import org.apache.tools.ant.types.Commandline;
import org.apache.tools.ant.types.FileSet;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.util.JavaEnvUtils;
import org.eclipse.jdt.internal.antadapter.AntAdapterMessages;
/**
* Ant 1.5 compiler adapter for the Eclipse Java compiler. This adapter permits the
* Eclipse Java compiler to be used with the <code>javac</code> task in Ant scripts. In order
* to use it, just set the property <code>build.compiler</code> as follows:
* <p>
* <code>&lt;property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/&gt;</code>
* </p>
* <p>
* For more information on Ant check out the website at http://jakarta.apache.org/ant/ .
* </p>
*
* @since 2.0
*/
public class JDTCompilerAdapter extends DefaultCompilerAdapter {
private static String compilerClass = "org.eclipse.jdt.internal.compiler.batch.Main"; //$NON-NLS-1$
String logFileName;
/**
* Performs a compile using the JDT batch compiler
* @throws BuildException if anything wrong happen during the compilation
* @return boolean true if the compilation is ok, false otherwise
*/
public boolean execute() throws BuildException {
attributes.log(AntAdapterMessages.getString("ant.jdtadapter.info.usingJDTCompiler"), Project.MSG_VERBOSE); //$NON-NLS-1$
Commandline cmd = setupJavacCommand();
try {
Class c = Class.forName(compilerClass);
Constructor batchCompilerConstructor = c.getConstructor(new Class[] { PrintWriter.class, PrintWriter.class, Boolean.TYPE});
Object batchCompilerInstance = batchCompilerConstructor.newInstance(new Object[] {new PrintWriter(System.out), new PrintWriter(System.err), new Boolean(true)});
Method compile = c.getMethod("compile", new Class[] {String[].class}); //$NON-NLS-1$
Object result = compile.invoke(batchCompilerInstance, new Object[] { cmd.getArguments()});
final boolean resultValue = ((Boolean) result).booleanValue();
if (!resultValue && verbose) {
System.out.println(AntAdapterMessages.getString("ant.jdtadapter.error.compilationFailed", this.logFileName)); //$NON-NLS-1$
}
return resultValue;
} catch (ClassNotFoundException cnfe) {
throw new BuildException(AntAdapterMessages.getString("ant.jdtadapter.error.cannotFindJDTCompiler")); //$NON-NLS-1$
} catch (Exception ex) {
throw new BuildException(ex);
}
}
protected Commandline setupJavacCommand() throws BuildException {
Commandline cmd = new Commandline();
/*
* This option is used to never exit at the end of the ant task.
*/
cmd.createArgument().setValue("-noExit"); //$NON-NLS-1$
if (bootclasspath != null && bootclasspath.size() != 0) {
/*
* Set the bootclasspath for the Eclipse compiler.
*/
cmd.createArgument().setValue("-bootclasspath"); //$NON-NLS-1$
cmd.createArgument().setPath(bootclasspath);
} else {
includeJavaRuntime = true;
}
Path classpath = new Path(project);
/*
* Eclipse compiler doesn't support -extdirs.
* It is emulated using the classpath. We add extdirs entries after the
* bootclasspath.
*/
addExtdirs(extdirs, classpath);
/*
* The java runtime is already handled, so we simply want to retrieve the
* ant runtime and the compile classpath.
*/
classpath.append(getCompileClasspath());
// For -sourcepath, use the "sourcepath" value if present.
// Otherwise default to the "srcdir" value.
Path sourcepath = null;
// retrieve the method getSourcepath() using reflect
// This is done to improve the compatibility to ant 1.5
Class javacClass = Javac.class;
Method getSourcepathMethod = null;
try {
getSourcepathMethod = javacClass.getMethod("getSourcepath", null); //$NON-NLS-1$
} catch(NoSuchMethodException e) {
// if not found, then we cannot use this method (ant 1.5)
}
Path compileSourcePath = null;
if (getSourcepathMethod != null) {
try {
compileSourcePath = (Path) getSourcepathMethod.invoke(attributes, null);
} catch (IllegalAccessException e) {
// should never happen
} catch (InvocationTargetException e) {
// should never happen
}
}
if (compileSourcePath != null) {
sourcepath = compileSourcePath;
} else {
sourcepath = src;
}
classpath.append(sourcepath);
/*
* Set the classpath for the Eclipse compiler.
*/
cmd.createArgument().setValue("-classpath"); //$NON-NLS-1$
cmd.createArgument().setPath(classpath);
String memoryParameterPrefix = JavaEnvUtils.getJavaVersion().equals(JavaEnvUtils.JAVA_1_1) ? "-J-" : "-J-X";//$NON-NLS-1$//$NON-NLS-2$
if (memoryInitialSize != null) {
if (!attributes.isForkedJavac()) {
attributes.log(AntAdapterMessages.getString("ant.jdtadapter.info.ignoringMemoryInitialSize"), Project.MSG_WARN); //$NON-NLS-1$
} else {
cmd.createArgument().setValue(memoryParameterPrefix
+ "ms" + memoryInitialSize); //$NON-NLS-1$
}
}
if (memoryMaximumSize != null) {
if (!attributes.isForkedJavac()) {
attributes.log(AntAdapterMessages.getString("ant.jdtadapter.info.ignoringMemoryMaximumSize"), Project.MSG_WARN); //$NON-NLS-1$
} else {
cmd.createArgument().setValue(memoryParameterPrefix
+ "mx" + memoryMaximumSize); //$NON-NLS-1$
}
}
if (debug) {
// retrieve the method getSourcepath() using reflect
// This is done to improve the compatibility to ant 1.5
Method getDebugLevelMethod = null;
try {
getDebugLevelMethod = javacClass.getMethod("getDebugLevel", null); //$NON-NLS-1$
} catch(NoSuchMethodException e) {
// if not found, then we cannot use this method (ant 1.5)
// debug level is only available with ant 1.5.x
}
String debugLevel = null;
if (getDebugLevelMethod != null) {
try {
debugLevel = (String) getDebugLevelMethod.invoke(attributes, null);
} catch (IllegalAccessException e) {
// should never happen
} catch (InvocationTargetException e) {
// should never happen
}
}
if (debugLevel != null) {
if (debugLevel.length() == 0) {
cmd.createArgument().setValue("-g:none"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-g:" + debugLevel); //$NON-NLS-1$
}
} else {
cmd.createArgument().setValue("-g"); //$NON-NLS-1$
}
} else {
cmd.createArgument().setValue("-g:none"); //$NON-NLS-1$
}
// retrieve the method getCurrentCompilerArgs() using reflect
// This is done to improve the compatibility to ant 1.5
Method getCurrentCompilerArgsMethod = null;
try {
getCurrentCompilerArgsMethod = javacClass.getMethod("getCurrentCompilerArgs", null); //$NON-NLS-1$
} catch(NoSuchMethodException e) {
// if not found, then we cannot use this method (ant 1.5)
// debug level is only available with ant 1.5.x
}
String[] compilerArgs = null;
if (getCurrentCompilerArgsMethod != null) {
try {
compilerArgs = (String[]) getCurrentCompilerArgsMethod.invoke(attributes, null);
} catch (IllegalAccessException e) {
// should never happen
} catch (InvocationTargetException e) {
// should never happen
}
}
if (compilerArgs == null) {
/*
* Handle the nowarn option. If none, then we generate all warnings.
*/
if (attributes.getNowarn()) {
if (deprecation) {
cmd.createArgument().setValue("-warn:allDeprecation"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-nowarn"); //$NON-NLS-1$
}
} else if (deprecation) {
cmd.createArgument().setValue("-warn:allDeprecation,constructorName,packageDefaultMethod,maskedCatchBlocks,unusedImports,staticReceiver"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-warn:constructorName,packageDefaultMethod,maskedCatchBlocks,unusedImports,staticReceiver"); //$NON-NLS-1$
}
} else {
/*
* Handle the nowarn option. If none, then we generate all warnings.
*/
if (attributes.getNowarn()) {
if (deprecation) {
cmd.createArgument().setValue("-warn:allDeprecation"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-nowarn"); //$NON-NLS-1$
}
} else {
if (deprecation) {
cmd.createArgument().setValue("-warn:+allDeprecation"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-warn:-allDeprecation,deprecation"); //$NON-NLS-1$
}
if (compilerArgs.length == 0) {
cmd.createArgument().setValue("-warn:+constructorName,packageDefaultMethod,maskedCatchBlocks,unusedImports,staticReceiver"); //$NON-NLS-1$
}
}
/*
* Add extra argument on the command line
*/
if (compilerArgs.length != 0) {
cmd.addArguments(compilerArgs);
}
}
/*
* destDir option.
*/
if (destDir != null) {
cmd.createArgument().setValue("-d"); //$NON-NLS-1$
cmd.createArgument().setFile(destDir.getAbsoluteFile());
}
/*
* target option.
*/
if (target != null) {
cmd.createArgument().setValue("-target"); //$NON-NLS-1$
cmd.createArgument().setValue(target);
}
/*
* verbose option
*/
if (verbose) {
cmd.createArgument().setValue("-verbose"); //$NON-NLS-1$
/*
* extra option allowed by the Eclipse compiler
*/
cmd.createArgument().setValue("-log"); //$NON-NLS-1$
logFileName = destDir.getAbsolutePath() + ".log"; //$NON-NLS-1$
cmd.createArgument().setValue(logFileName);
}
/*
* failnoerror option
*/
if (!attributes.getFailonerror()) {
cmd.createArgument().setValue("-proceedOnError"); //$NON-NLS-1$
}
/*
* source option
*/
String source = attributes.getSource();
if (source != null) {
cmd.createArgument().setValue("-source"); //$NON-NLS-1$
cmd.createArgument().setValue(source);
}
if (JavaEnvUtils.getJavaVersion().equals(JavaEnvUtils.JAVA_1_4)) {
if (target != null && target.equals("1.1")) { //$NON-NLS-1$
cmd.createArgument().setValue("-1.3"); //$NON-NLS-1$
} else {
cmd.createArgument().setValue("-1.4"); //$NON-NLS-1$
}
} else {
cmd.createArgument().setValue("-1.3"); //$NON-NLS-1$
}
/*
* encoding option
*/
if (encoding != null) {
cmd.createArgument().setValue("-encoding"); //$NON-NLS-1$
cmd.createArgument().setValue(encoding);
}
/*
* Eclipse compiler doesn't have a -sourcepath option. This is
* handled through the javac task that collects all source files in
* srcdir option.
*/
logAndAddFilesToCompile(cmd);
return cmd;
}
/**
* Emulation of extdirs feature in java >= 1.2.
* This method adds all files in the given
* directories (but not in sub-directories!) to the classpath,
* so that you don't have to specify them all one by one.
* @param extdirs - Path to append files to
*/
private void addExtdirs(Path extDirs, Path classpath) {
if (extDirs == null) {
String extProp = System.getProperty("java.ext.dirs"); //$NON-NLS-1$
if (extProp != null) {
extDirs = new Path(classpath.getProject(), extProp);
} else {
return;
}
}
String[] dirs = extDirs.list();
for (int i = 0; i < dirs.length; i++) {
File dir = classpath.getProject().resolveFile(dirs[i]);
if (dir.exists() && dir.isDirectory()) {
FileSet fs = new FileSet();
fs.setDir(dir);
fs.setIncludes("*"); //$NON-NLS-1$
classpath.addFileset(fs);
}
}
}
}