private OutputFileObject getFileForOutput(
Location location,
JavaFileObject.Kind kind,
String fileName,
@Nullable String className,
FileObject sibling)
throws IOException {
JavaFileObject src = null;
if (sibling instanceof JavaFileObject) {
final JavaFileObject javaFileObject = (JavaFileObject) sibling;
if (javaFileObject.getKind() == JavaFileObject.Kind.SOURCE) {
src = javaFileObject;
}
}
File dir = getSingleOutputDirectory(location, src);
if (location == StandardLocation.CLASS_OUTPUT) {
if (dir == null) {
throw new IOException("Output directory is not specified");
}
} else if (location == StandardLocation.SOURCE_OUTPUT) {
if (dir == null) {
dir = getSingleOutputDirectory(StandardLocation.CLASS_OUTPUT, src);
if (dir == null) {
throw new IOException("Neither class output directory nor source output are specified");
}
}
}
final File file =
(dir == null ? new File(fileName).getAbsoluteFile() : new File(dir, fileName));
return new OutputFileObject(myContext, file, kind, className, src);
}
private File compileOne(Type type) {
if (this.flags.contains(Flags.USECACHE)) {
File dir = cache.get(type.getName());
if (dir != null) {
return dir;
}
}
List<JavaFileObject> files = new ArrayList<>();
SourceProcessor accum = (name, src) -> files.add(new SourceFile(name, src));
for (Type dep : type.typeDependencies()) {
dep.generateAsDependency(accum, type.methodDependencies());
}
type.generate(accum);
JavacTask ct =
(JavacTask) this.systemJavaCompiler.getTask(null, this.fm, null, null, null, files);
File destDir = null;
do {
int value = counter.incrementAndGet();
destDir = new File(root, Integer.toString(value));
} while (destDir.exists());
if (this.flags.contains(Flags.VERBOSE)) {
System.out.println("Compilation unit for " + type.getName() + " : compiled into " + destDir);
for (JavaFileObject jfo : files) {
System.out.println(jfo.toString());
}
}
try {
destDir.mkdirs();
this.fm.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(destDir));
} catch (IOException e) {
throw new RuntimeException(
"IOException encountered during compilation: " + e.getMessage(), e);
}
Boolean result = ct.call();
if (result == Boolean.FALSE) {
throw new RuntimeException("Compilation failure in " + type.getName() + " unit");
}
if (this.flags.contains(Flags.USECACHE)) {
File existing = cache.putIfAbsent(type.getName(), destDir);
if (existing != null) {
deleteDir(destDir);
return existing;
}
} else {
this.tempDirs.add(destDir);
}
return destDir;
}
public void report(Diagnostic<? extends JavaFileObject> diagnostic) {
final CompilerMessage.Kind kind;
switch (diagnostic.getKind()) {
case ERROR:
kind = BuildMessage.Kind.ERROR;
myErrorCount++;
break;
case MANDATORY_WARNING:
case WARNING:
case NOTE:
kind = BuildMessage.Kind.WARNING;
myWarningCount++;
break;
default:
kind = BuildMessage.Kind.INFO;
}
File sourceFile = null;
try {
// for eclipse compiler just an attempt to call getSource() may lead to an NPE,
// so calling this method under try/catch to avoid induced compiler errors
final JavaFileObject source = diagnostic.getSource();
sourceFile = source != null ? Utils.convertToFile(source.toUri()) : null;
} catch (Exception e) {
LOG.info(e);
}
final String srcPath =
sourceFile != null ? FileUtil.toSystemIndependentName(sourceFile.getPath()) : null;
String message = diagnostic.getMessage(Locale.US);
if (Utils.IS_TEST_MODE) {
LOG.info(message);
}
myContext.processMessage(
new CompilerMessage(
BUILDER_NAME,
kind,
message,
srcPath,
diagnostic.getStartPosition(),
diagnostic.getEndPosition(),
diagnostic.getPosition(),
diagnostic.getLineNumber(),
diagnostic.getColumnNumber()));
}
private File getSingleOutputDirectory(final Location loc, final JavaFileObject sourceFile) {
if (loc == StandardLocation.CLASS_OUTPUT) {
if (myOutputsMap.size() > 1 && sourceFile != null) {
// multiple outputs case
final File outputDir = findOutputDir(new File(Paths.toURI(sourceFile.toUri().getPath())));
if (outputDir != null) {
return outputDir;
}
}
}
final Iterable<? extends File> location = getStdManager().getLocation(loc);
if (location != null) {
final Iterator<? extends File> it = location.iterator();
if (it.hasNext()) {
return it.next();
}
}
return null;
}