// Copyright 2013 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package org.apache.tapestry5.ioc.internal;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import org.apache.tapestry5.ioc.annotations.Advise;
import org.apache.tapestry5.ioc.annotations.IntermediateType;
import org.apache.tapestry5.plastic.MethodAdvice;
import org.apache.tapestry5.plastic.MethodInvocation;
final public class TestAdvice implements MethodAdvice {
public static final String ANNOTATION_FOUND = "Annotation found!";
@Override
public void advise(MethodInvocation invocation) {
final Method method = invocation.getMethod();
boolean annotationFoundInMethod = checkAnnotation(method.getAnnotation(Advise.class));
boolean annotationFoundThroughAnnotationProvider = checkAnnotation(invocation.getAnnotation(Advise.class));
IntermediateType parameterAnnotation = null;
final Annotation[][] parameterAnnotations = method.getParameterAnnotations();
if (parameterAnnotations.length > 0 && parameterAnnotations[0].length > 0) {
parameterAnnotation = (IntermediateType) parameterAnnotations[0][0];
}
boolean annotationParameter = parameterAnnotation != null && parameterAnnotation.value() == String.class;
if (annotationFoundInMethod && annotationFoundThroughAnnotationProvider && annotationParameter)
{
invocation.setReturnValue(ANNOTATION_FOUND);
}
else {
invocation.proceed();
}
}
private boolean checkAnnotation(Advise annotation)
{
return annotation != null && "id".equals(annotation.id()) && NonAnnotatedServiceInterface.class.equals(annotation.serviceInterface());
}
}