private void replaceWriteAccess(
ClassTransformation transformation,
String fieldName,
String fieldType,
String sessionKey,
String requestField) {
String writeMethodName = transformation.newMemberName("write", fieldName);
TransformMethodSignature writeSignature =
new TransformMethodSignature(
Modifier.PRIVATE, "void", writeMethodName, new String[] {fieldType}, null);
String body =
String.format("%s.getSession(true).setAttribute(\"%s\", $1);", requestField, sessionKey);
transformation.addMethod(writeSignature, body);
transformation.replaceWriteAccess(fieldName, writeMethodName);
}
private void replaceReadAccess(
ClassTransformation transformation,
String fieldName,
String fieldType,
String sessionKey,
String requestField) {
String readMethodName = transformation.newMemberName("read", fieldName);
TransformMethodSignature readMethodSignature =
new TransformMethodSignature(Modifier.PRIVATE, fieldType, readMethodName, null, null);
String body =
String.format(
"return (%s) %s.getSession(true).getAttribute(\"%s\");",
fieldType, requestField, sessionKey);
transformation.addMethod(readMethodSignature, body);
transformation.replaceReadAccess(fieldName, readMethodName);
}
public void transform(ClassTransformation transformation, MutableComponentModel model) {
for (TransformMethod tm :
transformation.matchMethods(
new Predicate<TransformMethod>() {
@Override
public boolean accept(TransformMethod arg0) {
return arg0.getAnnotation(Transactional.class) != null;
}
})) {
tm.addAdvice(advice);
}
}
public void transform(ClassTransformation transformation, MutableComponentModel model) {
List<String> names = transformation.findFieldsWithAnnotation(SessionAttribute.class);
for (String fieldName : names) {
SessionAttribute annotation =
transformation.getFieldAnnotation(fieldName, SessionAttribute.class);
String sessionKey = annotation.value();
if ("".equals(sessionKey)) {
sessionKey = fieldName;
}
String fieldType = transformation.getFieldType(fieldName);
Request request = objectLocator.getService(Request.class);
String requestField = transformation.addInjectedField(Request.class, "_request", request);
replaceReadAccess(transformation, fieldName, fieldType, sessionKey, requestField);
replaceWriteAccess(transformation, fieldName, fieldType, sessionKey, requestField);
}
}