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/*
 * Fabric3
 * Copyright (c) 2009-2015 Metaform Systems
 *
 * 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.
 *
 * Portions originally based on Apache Tuscany 2007
 * licensed under the Apache 2.0 license.
 */
package org.fabric3.introspection.java.annotation;

import java.lang.reflect.Method;

import org.oasisopen.sca.annotation.Destroy;

import org.fabric3.spi.introspection.IntrospectionContext;
import org.fabric3.spi.introspection.java.annotation.AbstractAnnotationProcessor;
import org.fabric3.api.model.type.java.InjectingComponentType;
import org.fabric3.api.model.type.java.Signature;

/**
 *
 */
public class OASISDestroyProcessor extends AbstractAnnotationProcessor {

    public OASISDestroyProcessor() {
        super(Destroy.class);
    }

    public void visitMethod(Destroy annotation,
                            Method method,
                            Class implClass,
                            InjectingComponentType componentType,
                            IntrospectionContext context) {
        if (!validate(method, context, componentType)) {
            return;
        }
        componentType.setDestroyMethod(new Signature(method));
    }

    private boolean validate(Method method, IntrospectionContext context, InjectingComponentType componentType) {
        if (!"void".equals(method.getReturnType().getName())) {
            InvalidMethod error = new InvalidMethod("Method marked with @Destroy must return void: " + method, method, componentType);
            context.addError(error);
            return false;
        }
        return true;
    }

}