    001    // Copyright 2010 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal.util;
    016
    017    import org.apache.tapestry5.ComponentEventCallback;
    018
    019    /**
    020     * Implementation of {@link ComponentEventCallback} that simply captures the result value.
    021     *
    022     * @since 5.2.0
    023     */
    024    public class CaptureResultCallback<T> implements ComponentEventCallback<T>
    025    {
    026        private T result;
    027
    028        public boolean handleResult(T result)
    029        {
    030            this.result = result;
    031
    032            return true;
    033        }
    034
    035        public T getResult()
    036        {
    037            return result;
    038        }
    039
    040        public static <T> CaptureResultCallback<T> create()
    041        {
    042            return new CaptureResultCallback<T>();
    043        }
    044    }