ParameterizedConditionVisitor.java

/*
 * Copyright 2011 <a href="mailto:lincolnbaxter@gmail.com">Lincoln Baxter, III</a>
 *
 * 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.ocpsoft.rewrite.config;

import org.ocpsoft.rewrite.param.Parameterized;
import org.ocpsoft.rewrite.util.Visitor;

/**
 * {@link Visitor} implementation for {@link Condition}s that executes a given callback for all conditions that provide
 * a specific parameter.
 * 
 * @author Christian Kaltepoth
 */
public class ParameterizedConditionVisitor implements Visitor<Condition>
{
   private final ParameterizedCallback callback;

   public ParameterizedConditionVisitor(ParameterizedCallback callback)
   {
      this.callback = callback;
   }

   @Override
   public void visit(Condition condition)
   {
      if (condition instanceof Parameterized) {
         callback.call((Parameterized) condition);
      }
   }

}