/*
* Copyright 2010 JBoss, a divison Red Hat, Inc
*
* 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.jboss.errai.ioc.rebind;
import org.jboss.errai.bus.client.framework.MessageBus;
import org.jboss.errai.bus.server.annotations.Service;
import org.jboss.errai.ioc.client.api.CodeDecorator;
import org.jboss.errai.ioc.rebind.ioc.Decorator;
import org.jboss.errai.ioc.rebind.ioc.InjectionContext;
import org.jboss.errai.ioc.rebind.ioc.InjectionPoint;
@CodeDecorator
public class ServiceDecorator extends Decorator<Service> {
public ServiceDecorator(Class<Service> decoratesWith) {
super(decoratesWith);
}
@Override
public String generateDecorator(InjectionPoint<Service> decContext) {
final InjectionContext ctx = decContext.getInjectionContext();
/**
* Get an instance of the message bus.
*/
final String inj = ctx.getInjector(decContext.getInjectionContext()
.getProcessingContext().loadClassType(MessageBus.class)).getType(ctx, decContext);
/**
* Figure out the service name;
*/
final String svcName = decContext.getAnnotation().value().equals("")
? decContext.getMemberName() : decContext.getAnnotation().value();
return inj + ".subscribe(\"" + svcName + "\", " + decContext.getValueExpression() + ");\n";
}
}