/** Wraps a JavaFileObject in a UsageAsInputReportingJavaFileObject, shares existing instances. */
private JavaFileObject map(JavaFileObject item) {
if (item == null) {
return item;
}
InputUsageRecord usage = inputUsageRecords.get(item.toUri());
if (usage == null) {
usage = new InputUsageRecord(item);
inputUsageRecords.put(item.toUri(), usage);
}
return new UsageAsInputReportingJavaFileObject(item, usage);
}
/** Returns the name of JavaFileObject, similar to {@link java.io.File#getName} */
public static String getName(final JavaFileObject fo, final boolean noExt) {
assert fo != null;
if (fo instanceof Base) {
Base baseFileObject = (Base) fo;
if (noExt) {
return baseFileObject.getName();
} else {
StringBuilder sb = new StringBuilder();
sb.append(baseFileObject.getName());
sb.append('.'); // NOI18N
sb.append(baseFileObject.getExt());
return sb.toString();
}
}
try {
final URL url = fo.toUri().toURL();
String path = url.getPath();
int index1 = path.lastIndexOf('/'); // NOI18N
int len;
if (noExt) {
final int index2 = path.lastIndexOf('.'); // NOI18N
if (index2 > index1) {
len = index2;
} else {
len = path.length();
}
} else {
len = path.length();
}
path = path.substring(index1 + 1, len);
return path;
} catch (MalformedURLException e) {
return null;
}
}
private String getPackage(JavaFileObject file) throws IOException {
Iterable<? extends File> prefixes =
((JavacFileManager) fileManager).getLocation(StandardLocation.SOURCE_PATH);
// Figure out the package name by stripping the "-src" prefix and
// extracting
// the package part of the fullname.
String filePath = file.toUri().getPath();
// go absolute
filePath = new File(filePath).getCanonicalPath();
int srcDirLength = 0;
for (File prefixFile : prefixes) {
String prefix = prefixFile.getCanonicalPath();
if (filePath.startsWith(prefix) && prefix.length() > srcDirLength) {
srcDirLength = prefix.length();
}
}
if (srcDirLength > 0) {
String fullname = filePath.substring(srcDirLength);
assert fullname.endsWith(".ceylon");
fullname = fullname.substring(0, fullname.length() - ".ceylon".length());
fullname = fullname.replace(File.separator, ".");
if (fullname.startsWith(".")) fullname = fullname.substring(1);
String packageName = Convert.packagePart(fullname);
if (!packageName.equals("")) return packageName;
}
return null;
}
private void createBeanInfo(TypeElement classElement) throws Exception {
if (verbose) {
processingEnv
.getMessager()
.printMessage(
Diagnostic.Kind.NOTE, "Generating BeanInfo for " + classElement.getSimpleName());
}
String className = classElement.getSimpleName().toString();
String qualifiedName = classElement.getQualifiedName().toString();
PackageElement packageElement = (PackageElement) classElement.getEnclosingElement();
String packageName = packageElement.getQualifiedName().toString();
Map<String, VariableElement> fields = new HashMap<String, VariableElement>();
Writer writer = null;
try {
// Build Bean Info
TypeElement curClassElement = classElement;
do {
for (Element e : curClassElement.getEnclosedElements()) {
if (e.getKind().equals(ElementKind.FIELD)
&& !e.getModifiers().contains(Modifier.TRANSIENT)
&& !e.getModifiers().contains(Modifier.STATIC)) {
fields.put(e.getSimpleName().toString(), (VariableElement) e);
}
}
TypeMirror t = curClassElement.getSuperclass();
if (t instanceof DeclaredType) {
curClassElement = (TypeElement) ((DeclaredType) t).asElement();
} else {
curClassElement = null;
}
} while (curClassElement != null);
VelocityContext vc = new VelocityContext();
vc.put("className", className);
vc.put("packageName", packageName);
vc.put("fields", fields);
// Create source file
JavaFileObject jfo = processingEnv.getFiler().createSourceFile(qualifiedName + "BeanInfo");
if (verbose) {
processingEnv
.getMessager()
.printMessage(Diagnostic.Kind.NOTE, "creating source file: " + jfo.toUri());
}
writer = jfo.openWriter();
template.merge(vc, writer);
} finally {
closeQuietly(writer);
}
}
void emitApplication(ProcessingContext env, ApplicationMetaModel application)
throws ProcessingException {
PackageElement elt = env.get(application.getHandle());
FQN fqn = new FQN(application.getName(), "Application");
//
Writer writer = null;
try {
JavaFileObject applicationFile = env.createSourceFile(fqn, elt);
writer = applicationFile.openWriter();
writer.append("package ").append(fqn.getPackageName()).append(";\n");
// Imports
writer.append("import ").append(Tools.getImport(ApplicationDescriptor.class)).append(";\n");
// Open class
writer.append("public class ").append(fqn.getSimpleName()).append(" {\n");
// Field
writer.append("private final ").append(APPLICATION_DESCRIPTOR).append(" descriptor;\n");
// Constructor
writer.append("public ").append(fqn.getSimpleName()).append("() throws Exception {\n");
writer
.append("this.descriptor = ")
.append(APPLICATION_DESCRIPTOR)
.append(".create(getClass());\n");
writer.append("}\n");
// Getter
writer.append("public ").append(APPLICATION_DESCRIPTOR).append(" getDescriptor() {\n");
writer.append("return descriptor;\n");
writer.append("}\n");
// Close class
writer.append("}\n");
//
env.log("Generated application " + fqn.getName() + " as " + applicationFile.toUri());
} catch (IOException e) {
throw TemplateMetaModel.CANNOT_WRITE_APPLICATION.failure(e, elt, application.getName());
} finally {
Tools.safeClose(writer);
}
}
public JavaFileObject getJavaFileForOutput(
Location location, String className, Kind kind, FileObject sibling) throws IOException {
JavaFileObject object =
standardJavaFileManager.getJavaFileForOutput(location, className, kind, sibling);
if (kind == Kind.CLASS) {
className = className.replace("/", ".");
String enclosingClassName = className.split("\\$")[0];
String sourceFileName =
enclosingClassName.substring(enclosingClassName.lastIndexOf(".") + 1) + ".java";
Optional<PluginSource> source = result.findSource(sourceFileName);
Path binaryFile = Paths.get(object.toUri());
URL binaryURL = binaryFile.toUri().toURL();
PluginBinary binary = new PluginBinary(binaryURL, source, Optional.of(className));
result.getBinaries().add(binary);
}
return object;
}
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;
}
// Dump classfiles onto disk for all compilation units that where successful
// and do not carry a -d none spec, either directly or inherited from Main.
@Override
public void outputClassFiles(CompilationResult unitResult) {
if (!((unitResult == null) || (unitResult.hasErrors() && !this.proceedOnError))) {
ClassFile[] classFiles = unitResult.getClassFiles();
boolean generateClasspathStructure =
this.fileManager.hasLocation(StandardLocation.CLASS_OUTPUT);
String currentDestinationPath = this.destinationPath;
File outputLocation = null;
if (currentDestinationPath != null) {
outputLocation = new File(currentDestinationPath);
outputLocation.mkdirs();
}
for (int i = 0, fileCount = classFiles.length; i < fileCount; i++) {
// retrieve the key and the corresponding classfile
ClassFile classFile = classFiles[i];
char[] filename = classFile.fileName();
int length = filename.length;
char[] relativeName = new char[length + 6];
System.arraycopy(filename, 0, relativeName, 0, length);
System.arraycopy(SuffixConstants.SUFFIX_class, 0, relativeName, length, 6);
CharOperation.replace(relativeName, '/', File.separatorChar);
String relativeStringName = new String(relativeName);
if (this.compilerOptions.verbose) {
EclipseCompilerImpl.this.out.println(
Messages.bind(
Messages.compilation_write,
new String[] {
String.valueOf(this.exportedClassFilesCounter + 1), relativeStringName
}));
}
try {
JavaFileObject javaFileForOutput =
this.fileManager.getJavaFileForOutput(
StandardLocation.CLASS_OUTPUT,
new String(filename),
JavaFileObject.Kind.CLASS,
this.javaFileObjectMap.get(unitResult.compilationUnit));
if (generateClasspathStructure) {
if (currentDestinationPath != null) {
int index = CharOperation.lastIndexOf(File.separatorChar, relativeName);
if (index != -1) {
File currentFolder =
new File(currentDestinationPath, relativeStringName.substring(0, index));
currentFolder.mkdirs();
}
} else {
// create the subfolfers is necessary
// need a way to retrieve the folders to create
String path = javaFileForOutput.toUri().getPath();
int index = path.lastIndexOf('/');
if (index != -1) {
File file = new File(path.substring(0, index));
file.mkdirs();
}
}
}
OutputStream openOutputStream = javaFileForOutput.openOutputStream();
BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(openOutputStream);
bufferedOutputStream.write(classFile.header, 0, classFile.headerOffset);
bufferedOutputStream.write(classFile.contents, 0, classFile.contentsOffset);
bufferedOutputStream.flush();
bufferedOutputStream.close();
} catch (IOException e) {
this.logger.logNoClassFileCreated(currentDestinationPath, relativeStringName, e);
}
this.logger.logClassFile(
generateClasspathStructure, currentDestinationPath, relativeStringName);
this.exportedClassFilesCounter++;
}
this.batchCompiler.lookupEnvironment.releaseClassFiles(classFiles);
}
}
private void markError(
DiagnosticCollector<JavaFileObject> diagnosticsCollector, boolean markerCreation) {
for (Diagnostic diagnostic : diagnosticsCollector.getDiagnostics()) {
System.out.format("Error on line %d" + " -> ", diagnostic.getLineNumber(), diagnostic);
System.out.println(diagnostic.getMessage(null) + "\n");
System.err.println("*** " + diagnostic.toString() + " *** " + diagnostic.getCode());
JavaFileObject source = (JavaFileObject) diagnostic.getSource();
String longFileName = source == null ? null : source.toUri().getPath();
// String shortFileName = source == null ? null : source.getName();
// System.out.println("Error in: " + longFileName);
// Path path = new Path(longFileName);
// IFile ifile =
// ResourcesPlugin.getWorkspace().getRoot().getFile(path);
if (diagnostic.getLineNumber() > -1) {
File fileToOpen = new File(longFileName);
if (fileToOpen.exists() && fileToOpen.isFile()) {
final IFileStore fileStore = EFS.getLocalFileSystem().getStore(fileToOpen.toURI());
Display display = PlatformUI.getWorkbench().getDisplay();
display.syncExec(
new Runnable() {
public void run() {
try {
IEditorPart part = IDE.openEditorOnFileStore(pag, fileStore);
if (part != null) {
IEditorInput input = part.getEditorInput();
ifile = ((IFileEditorInput) input).getFile();
// ... use activeProjectName
}
} catch (PartInitException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
} else {
// Do something if the file does not exist
}
}
// System.out.format("Error on line %d in %s"+"\n",
// diagnostic.getLineNumber(), diagnostic);
if (markerCreation == true) {
int lnr = (int) diagnostic.getLineNumber();
int startPos = (int) diagnostic.getStartPosition();
int stopPos = (int) diagnostic.getEndPosition();
if (ifile != null) {
IMarker marker;
try {
marker = ifile.createMarker(IMarker.PROBLEM);
marker.setAttribute(IMarker.SEVERITY, IMarker.SEVERITY_ERROR);
marker.setAttribute(IMarker.MESSAGE, diagnostic.getMessage(null));
marker.setAttribute(IMarker.LINE_NUMBER, lnr);
// if (pos.offset != 0) {
// System.out.println(startPos);
// System.out.println(stopPos);
marker.setAttribute(IMarker.CHAR_START, startPos);
marker.setAttribute(IMarker.CHAR_END, stopPos - 1);
} catch (CoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
}
/**
* Save a compiled class and associated classes to a jar file.
*
* <p>With a packageName = "" and recursive = false, it will save clazz and any classes compiled
* from the same source (I think); this is probably what you want.
*
* @param packageName package name prefix to search for classes, or "" for all
* @param clazz a class that has been previously compiled by this bridge
* @param mainClazz a class that will be installed as the "Main-Class" of a runnable jar
* @param outStream output stream
* @param recursive whether to retrieve classes from rest of the the JavaFileManager hierarchy
* @throws FileNotFoundException
* @throws IOException
*/
public void saveToJar(
String packageName,
Class<?> clazz,
Class<?> mainClazz,
OutputStream outStream,
boolean recursive)
throws IOException {
JavaFileManager manager = fileManagerCache.get(clazz);
List<JavaFileObject> list = new ArrayList<JavaFileObject>();
for (JavaFileObject obj :
manager.list(
StandardLocation.CLASS_PATH,
packageName,
Collections.singleton(JavaFileObject.Kind.CLASS),
false)) list.add(obj);
if (list.iterator().hasNext()) {
Manifest manifest = new Manifest();
manifest.getMainAttributes().put(Attributes.Name.MANIFEST_VERSION, "1.0");
if (mainClazz != null) {
manifest.getMainAttributes().put(Attributes.Name.MAIN_CLASS, mainClazz.getName());
}
manifest
.getMainAttributes()
.put(new Attributes.Name("X-Rascal-Saved-Class"), clazz.getName());
JarOutputStream target = new JarOutputStream(outStream, manifest);
JarEntry entry = new JarEntry("META-INF/");
target.putNextEntry(entry);
Collection<String> dirs = new ArrayList<String>();
for (JavaFileObject o : list) {
String path = o.toUri().getPath().replace(".", "/");
makeJarDirs(target, dirs, path);
entry = new JarEntry(path + ".class");
entry.setTime(o.getLastModified());
target.putNextEntry(entry);
try (InputStream stream = o.openInputStream()) {
byte[] buffer = new byte[8192];
int c = stream.read(buffer);
while (c > -1) {
target.write(buffer, 0, c);
c = stream.read(buffer);
}
}
target.closeEntry();
}
if (mainClazz != null) {
String name = mainClazz.getName();
String path = name.replace(".", "/") + ".class";
String dir = path.substring(0, path.lastIndexOf('/'));
StringBuilder dirTmp = new StringBuilder(dir.length());
for (String d : dir.split("/")) {
dirTmp.append(d);
dirTmp.append("/");
String tmp = dirTmp.toString();
if (!dirs.contains(tmp)) {
dirs.add(tmp);
entry = new JarEntry(tmp);
target.putNextEntry(entry);
}
}
entry = new JarEntry(path);
target.putNextEntry(entry);
try (InputStream stream = mainClazz.getClassLoader().getResourceAsStream(path)) {
byte[] buffer = new byte[8192];
int c = stream.read(buffer);
while (c > -1) {
target.write(buffer, 0, c);
c = stream.read(buffer);
}
}
target.closeEntry();
}
target.close();
}
}
@SuppressWarnings({"unchecked", "ConstantConditions"})
private void manageType(TypeElement enclosingElement, Logger logger) {
// Make sure we don't process twice the same type
String simpleName = enclosingElement.getSimpleName().toString();
String qualifiedName = enclosingElement.getQualifiedName().toString();
String packageName = Utils.getElementPackageName(enclosingElement);
if (managedTypes.contains(qualifiedName)) return;
managedTypes.add(qualifiedName);
// Prepare the output file
try {
JavaFileObject classFile =
processingEnv.getFiler().createSourceFile(qualifiedName + INJECTOR_SUFFIX);
logger.note("Writing " + classFile.toUri().getRawPath());
Writer out = classFile.openWriter();
JavaWriter writer = new JavaWriter(out);
writer.emitPackage(packageName);
// Initial imports
writer
.emitImports(AsyncService.class, Injector.class, Message.class, Set.class, HashSet.class)
.emitImports(
"com.joanzapata.android.asyncservice.api.annotation.OnMessage.Priority",
"android.os.Handler",
"android.os.Looper")
.emitStaticImports(
"com.joanzapata.android.asyncservice.api.annotation.OnMessage.Priority.*");
// Generates "public final class XXXInjector extends Injector<XXX>"
writer
.emitEmptyLine()
.beginType(
simpleName + INJECTOR_SUFFIX,
"class",
of(PUBLIC, FINAL),
"Injector<" + simpleName + ">");
// Generate a handler to execute runnables on the UI Thread
writer
.emitEmptyLine()
.emitField(
"Handler", "__handler", of(PRIVATE, FINAL), "new Handler(Looper.getMainLooper())");
// Keep trace of when a method has received data which is not from cache
writer
.emitEmptyLine()
.emitField(
"Set<String>",
"__receivedFinalResponses",
of(PRIVATE, FINAL),
"new HashSet<String>()");
// Generates "protected void inject(XXX target) { ..."
writer
.emitEmptyLine()
.emitAnnotation(Override.class)
.beginMethod("void", "inject", of(PROTECTED), simpleName, "target");
// Here, inject all services
List<Element> elementsAnnotatedWith =
findElementsAnnotatedWith(enclosingElement, InjectService.class);
for (Element element : elementsAnnotatedWith) {
if (isPublicOrPackagePrivate(element)) {
writer.emitStatement(
"target.%s = new %s(target)",
element.getSimpleName(),
element.asType().toString() + AsyncServiceAP.GENERATED_CLASS_SUFFIX);
}
}
// End of inject()
writer.endMethod().emitEmptyLine();
// Generates "protected void dispatch(XXX target, Message event)"
writer
.emitAnnotation(Override.class)
.beginMethod(
"void",
"dispatch",
of(PROTECTED),
"final " + simpleName,
"target",
"final " + Message.class.getSimpleName(),
"event",
Priority.class.getSimpleName(),
"priority");
// Once the user has received a "remote" result, make sure no cache is sent anymore
writer
.emitField(
"boolean",
"__hasBeenReceivedAlready",
of(FINAL),
"event.getQuery() != null && __receivedFinalResponses.contains(event.getQuery())")
.emitStatement("if (event.isCached() && __hasBeenReceivedAlready) return")
.emitStatement(
"if (!__hasBeenReceivedAlready && !event.isCached() && priority == LAST) __receivedFinalResponses.add(event.getQuery())");
// Here, dispatch events to methods
List<Element> responseReceivers =
findElementsAnnotatedWith(enclosingElement, OnMessage.class);
for (Element responseReceiver : responseReceivers) {
ExecutableElement annotatedMethod = (ExecutableElement) responseReceiver;
AnnotationMirror annotationMirror = getAnnotation(annotatedMethod, OnMessage.class);
List<? extends VariableElement> parameters = annotatedMethod.getParameters();
if (parameters.size() > 1)
logger.error(
responseReceiver, "@OnMessage annotated methods can't have more than 1 argument");
// Define event type given parameter or @InjectResponse value
List<String> eventTypes;
boolean hasArg = parameters.size() == 1;
if (hasArg) {
TypeMirror typeMirror = parameters.get(0).asType();
eventTypes = asList(typeMirror.toString());
if (hasTypeParameters(processingEnv, typeMirror))
logger.error(
parameters.get(0),
"You can't receive typed parameters in @OnMessage annotated methods");
} else {
List<AnnotationValue> parameterTypeClasses =
getAnnotationValue(annotationMirror, "value");
// Validate each parameter type given in the annotation
eventTypes = new ArrayList<String>();
for (AnnotationValue value : parameterTypeClasses) {
DeclaredType parameterTypeClass = (DeclaredType) value.getValue();
if (parameterTypeClass == null)
logger.error(
annotatedMethod, "Either declare an argument or give @OnMessage a value.");
if (hasTypeParameters(processingEnv, parameterTypeClass))
logger.error(
annotatedMethod,
annotationMirror,
"value",
"You can't receive typed parameters in @OnMessage method");
eventTypes.add(parameterTypeClass.toString());
}
}
// Define whether we should check emitter or not dependeing on the annotation value
VariableElement from = getAnnotationValue(annotationMirror, "from");
boolean checkEmitter = !ALL.toString().equals("" + from);
// Check the priority of the method
VariableElement priorityValue = getAnnotationValue(annotationMirror, "priority");
Priority priority = !LAST.toString().equals("" + priorityValue) ? FIRST : LAST;
writer.beginControlFlow("if (priority == %s)", priority);
// Write the code to call the user method
if (checkEmitter) writer.beginControlFlow("if (event.getEmitter() == getTarget())");
// Create a new inner class for the Runnable to run on UI thread
StringWriter buffer = new StringWriter();
JavaWriter inner = new JavaWriter(buffer);
inner
.emitPackage("")
.beginType("Runnable()", "new")
.emitAnnotation("Override")
.beginMethod("void", "run", of(PUBLIC));
if (hasArg)
inner.emitStatement(
"target.%s((%s) event.getPayload())",
annotatedMethod.getSimpleName(), eventTypes.get(0));
else inner.emitStatement("target.%s()", annotatedMethod.getSimpleName());
inner.endMethod().endType();
// For each type (can be multiple)
for (int i = 0; i < eventTypes.size(); i++) {
String eventType = eventTypes.get(i);
writer
.beginControlFlow(
"%sif (event.getPayload() instanceof %s)", i != 0 ? "else " : "", eventType)
.emitStatement("__handler.post(%s)", buffer.toString())
.endControlFlow();
}
if (checkEmitter) writer.endControlFlow();
writer.endControlFlow();
}
// End of inject();
writer.endMethod().emitEmptyLine();
// End of file
writer.endType();
out.flush();
out.close();
} catch (IOException e) {
throw new IllegalStateException("Error while create the injector for " + qualifiedName, e);
}
}