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}