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Fabric3 Introspection Implementation.
/*
* See the NOTICE file distributed with this work for information
* regarding copyright ownership. This file is licensed
* 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,
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* KIND, either express or implied. See the License for the
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* under the License.
*/
package org.fabric3.introspection.impl.annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import org.osoa.sca.annotations.Callback;
import org.osoa.sca.annotations.Reference;
import org.fabric3.introspection.IntrospectionContext;
import org.fabric3.introspection.IntrospectionException;
import org.fabric3.introspection.contract.ContractProcessor;
import org.fabric3.introspection.java.AbstractAnnotationProcessor;
import org.fabric3.introspection.contract.InvalidServiceContractException;
import org.fabric3.introspection.IntrospectionHelper;
import org.fabric3.introspection.TypeMapping;
import org.fabric3.scdl.CallbackDefinition;
import org.fabric3.scdl.FieldInjectionSite;
import org.fabric3.scdl.Implementation;
import org.fabric3.scdl.InjectingComponentType;
import org.fabric3.scdl.MethodInjectionSite;
import org.fabric3.scdl.ServiceContract;
/**
* @version $Rev: 3105 $ $Date: 2008-03-15 16:47:31 +0000 (Sat, 15 Mar 2008) $
*/
public class CallbackProcessor> extends AbstractAnnotationProcessor {
private final IntrospectionHelper helper;
private final ContractProcessor contractProcessor;
public CallbackProcessor(@Reference ContractProcessor contractProcessor,
@Reference IntrospectionHelper helper) {
super(Callback.class);
this.contractProcessor = contractProcessor;
this.helper = helper;
}
public void visitField(Callback annotation, Field field, I implementation, IntrospectionContext context) throws IntrospectionException {
String name = helper.getSiteName(field, null);
Type type = field.getGenericType();
FieldInjectionSite site = new FieldInjectionSite(field);
CallbackDefinition definition = createDefinition(name, type, context.getTypeMapping());
implementation.getComponentType().add(definition, site);
}
public void visitMethod(Callback annotation, Method method, I implementation, IntrospectionContext context) throws IntrospectionException {
String name = helper.getSiteName(method, null);
Type type = helper.getGenericType(method);
MethodInjectionSite site = new MethodInjectionSite(method, 0);
CallbackDefinition definition = createDefinition(name, type, context.getTypeMapping());
implementation.getComponentType().add(definition, site);
}
CallbackDefinition createDefinition(String name, Type type, TypeMapping typeMapping) throws InvalidServiceContractException {
ServiceContract contract = contractProcessor.introspect(typeMapping, helper.getBaseType(type, typeMapping));
return new CallbackDefinition(name, contract);
}
}