visitablefactory.java

Java/J2EE框架Jdon-Framework系统的Sample

/**
 * Copyright 2005 Jdon.com
 * 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 com.jdon.bussinessproxy.cache;

import com.jdon.bussinessproxy.AopClient;
import com.jdon.bussinessproxy.TargetMetaDef;
import com.jdon.bussinessproxy.target.EJBTargetServiceVisitable;
import com.jdon.bussinessproxy.TargetService;

import com.jdon.bussinessproxy.web.ProxyInstanceVisitable;

public class VisitableFactory {


  private AopClient aopClient;
  private TargetService targetService;

  public VisitableFactory(AopClient aopClient, TargetService targetService) {
    this.aopClient = aopClient;
    this.targetService = targetService;
  }

  public Visitable createVisitable(TargetMetaDef targetMetaDef) {
    if (targetMetaDef.getVisitableName().equals(VisitableNames.PROXYINSTANCE_NAME))
      return new ProxyInstanceVisitable(targetMetaDef, aopClient);
    else if (targetMetaDef.getVisitableName().equals(VisitableNames.EJBTARGETSERVICE_NAME))
      return new EJBTargetServiceVisitable(targetMetaDef,
                                           targetService);
    else
      return null;
  }

}