public static boolean compile(
Collection<String> options,
final Collection<File> sources,
Collection<File> classpath,
Collection<File> platformClasspath,
Collection<File> sourcePath,
Map<File, Set<File>> outputDirToRoots,
final DiagnosticOutputConsumer outConsumer,
final OutputFileConsumer outputSink,
CanceledStatus canceledStatus,
boolean useEclipseCompiler) {
JavaCompiler compiler = null;
if (useEclipseCompiler) {
for (JavaCompiler javaCompiler : ServiceLoader.load(JavaCompiler.class)) {
compiler = javaCompiler;
break;
}
if (compiler == null) {
outConsumer.report(
new PlainMessageDiagnostic(
Diagnostic.Kind.ERROR, "Eclipse Batch Compiler was not found in classpath"));
return false;
}
}
final boolean nowUsingJavac;
if (compiler == null) {
compiler = ToolProvider.getSystemJavaCompiler();
if (compiler == null) {
outConsumer.report(
new PlainMessageDiagnostic(
Diagnostic.Kind.ERROR, "System Java Compiler was not found in classpath"));
return false;
}
nowUsingJavac = true;
} else {
nowUsingJavac = false;
}
for (File outputDir : outputDirToRoots.keySet()) {
outputDir.mkdirs();
}
final List<JavaSourceTransformer> transformers = getSourceTransformers();
final JavacFileManager fileManager =
new JavacFileManager(
new ContextImpl(compiler, outConsumer, outputSink, canceledStatus, nowUsingJavac),
transformers);
fileManager.handleOption(
"-bootclasspath", Collections.singleton("").iterator()); // this will clear cached stuff
fileManager.handleOption(
"-extdirs", Collections.singleton("").iterator()); // this will clear cached stuff
try {
fileManager.setOutputDirectories(outputDirToRoots);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
if (!classpath.isEmpty()) {
try {
fileManager.setLocation(StandardLocation.CLASS_PATH, classpath);
if (!nowUsingJavac && !isOptionSet(options, "-processorpath")) {
// for non-javac file manager ensure annotation processor path defaults to classpath
fileManager.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH, classpath);
}
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
}
if (!platformClasspath.isEmpty()) {
try {
fileManager.setLocation(StandardLocation.PLATFORM_CLASS_PATH, platformClasspath);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
}
try {
// ensure the source path is set;
// otherwise, if not set, javac attempts to search both classes and sources in classpath;
// so if some classpath jars contain sources, it will attempt to compile them
fileManager.setLocation(StandardLocation.SOURCE_PATH, sourcePath);
} catch (IOException e) {
fileManager.getContext().reportMessage(Diagnostic.Kind.ERROR, e.getMessage());
return false;
}
//noinspection IOResourceOpenedButNotSafelyClosed
final LineOutputWriter out =
new LineOutputWriter() {
protected void lineAvailable(String line) {
if (nowUsingJavac) {
outConsumer.outputLineAvailable(line);
} else {
// todo: filter too verbose eclipse output?
}
}
};
try {
final Collection<String> _options = prepareOptions(options, nowUsingJavac);
// to be on the safe side, we'll have to apply all options _before_ calling any of manager's
// methods
// i.e. getJavaFileObjectsFromFiles()
// This way the manager will be properly initialized. Namely, the encoding will be set
// correctly
for (Iterator<String> iterator = _options.iterator(); iterator.hasNext(); ) {
fileManager.handleOption(iterator.next(), iterator);
}
final JavaCompiler.CompilationTask task =
compiler.getTask(
out,
fileManager,
outConsumer,
_options,
null,
fileManager.getJavaFileObjectsFromFiles(sources));
// if (!IS_VM_6_VERSION) { //todo!
// // Do not add the processor for JDK 1.6 because of the bugs in javac
// // The processor's presence may lead to NPE and resolve bugs in compiler
// final JavacASTAnalyser analyzer = new JavacASTAnalyser(outConsumer,
// !annotationProcessingEnabled);
// task.setProcessors(Collections.singleton(analyzer));
// }
return task.call();
} catch (IllegalArgumentException e) {
outConsumer.report(new PlainMessageDiagnostic(Diagnostic.Kind.ERROR, e.getMessage()));
} catch (CompilationCanceledException ignored) {
outConsumer.report(
new PlainMessageDiagnostic(Diagnostic.Kind.OTHER, "Compilation was canceled"));
} finally {
fileManager.close();
if (nowUsingJavac) {
cleanupJavacNameTable();
}
}
return false;
}
@Override
public Set<String> getSupportedAnnotationTypes() {
return Collections.singleton(CodeTranslate.class.getName());
}