/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.felix.ipojo.manipulator.metadata.annotation.visitor;
import org.apache.felix.ipojo.manipulator.metadata.annotation.ComponentWorkbench;
import org.apache.felix.ipojo.metadata.Attribute;
import org.apache.felix.ipojo.metadata.Element;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Opcodes;
/**
* Parse @Validate and @Invalidate annotations.
* @see org.apache.felix.ipojo.annotations.Validate
* @see org.apache.felix.ipojo.annotations.Invalidate
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
public class LifecycleVisitor extends AnnotationVisitor {
public static enum Transition {
VALIDATE, INVALIDATE
}
private ComponentWorkbench workbench;
private String name;
private Transition transition;
public LifecycleVisitor(ComponentWorkbench workbench, String name, Transition transition) {
super(Opcodes.ASM5);
this.workbench = workbench;
this.name = name;
this.transition = transition;
}
@Override
public void visitEnd() {
Element cb = new Element("callback", "");
cb.addAttribute(new Attribute("transition", transition.name().toLowerCase()));
cb.addAttribute(new Attribute("method", name));
workbench.getElements().put(cb, null);
}
}