private void loadPatchersAndJavaScriptObjects() throws Exception {
jsoSubClasses = new HashSet<String>();
patchers = new HashMap<String, Patcher>();
List<String> classList = findScannedClasses();
CtClass jsoCtClass = GwtClassPool.get().get(JSO_CLASSNAME);
for (String className : classList) {
CtClass ctClass = GwtClassPool.get().get(className);
if (ctClass.subclassOf(jsoCtClass) && !ctClass.equals(jsoCtClass)) {
jsoSubClasses.add(className);
} else if (ctClass.hasAnnotation(PatchClass.class)) {
treatPatchClass(ctClass);
}
}
}
private void enhanceClass(Enhancer enhancer, File file) {
byte[] enhancedBytecode = null;
InputStream is = null;
CtClass clas = null;
try {
is = new FileInputStream(file.toString());
clas = getClassPool().makeClass(is);
if (!clas.hasAnnotation(Entity.class)) {
getLog().debug("Class $file not an annotated Entity class. skipping...");
} else {
enhancedBytecode = enhancer.enhance(clas.getName(), clas.toBytecode());
}
} catch (Exception e) {
getLog().error("Unable to enhance class [${file.toString()}]", e);
return;
} finally {
try {
if (null != is) is.close();
} catch (IOException ioe) {
}
}
if (null != enhancedBytecode) {
if (file.delete()) {
try {
if (!file.createNewFile()) {
getLog().error("Unable to recreate class file [" + clas.getName() + "]");
}
} catch (IOException ioe) {
}
} else {
getLog().error("Unable to delete class file [" + clas.getName() + "]");
}
FileOutputStream outputStream = null;
try {
outputStream = new FileOutputStream(file, false);
outputStream.write(enhancedBytecode);
outputStream.flush();
} catch (IOException ioe) {
} finally {
try {
if (outputStream != null) outputStream.close();
clas.detach(); // release memory
} catch (IOException ignore) {
}
}
}
}
@Override
public boolean isCompositeClass(CtClass classDescriptor) {
return classDescriptor.hasAnnotation(Embeddable.class);
}
@Override
public boolean isEntityClass(CtClass classDescriptor) {
return classDescriptor.hasAnnotation(Entity.class);
}