    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
    015package org.apache.tapestry5.internal.util;
    016
    017import org.apache.tapestry5.ComponentEventCallback;
    018
    019/**
    020 * Implementation of {@link ComponentEventCallback} that simply captures the result value.
    021 *
    022 * @since 5.2.0
    023 */
    024public 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}