001/*
002 * Copyright 2006-2010 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.springframework.batch.test;
017
018import java.util.concurrent.Callable;
019
020import org.springframework.batch.core.StepExecution;
021import org.springframework.batch.core.scope.StepScope;
022import org.springframework.batch.core.scope.context.StepSynchronizationManager;
023
024/**
025 * Utility class for creating and manipulating {@link StepScope} in unit tests.
026 * This is useful when you want to use the Spring test support and inject
027 * dependencies into your test case that happen to be step scoped in the
028 * application context.
029 * 
030 * @author Dave Syer
031 * 
032 */
033public class StepScopeTestUtils {
034
035        public static <T> T doInStepScope(StepExecution stepExecution, Callable<T> callable) throws Exception {
036                try {
037                        StepSynchronizationManager.register(stepExecution);
038                        return callable.call();
039                }
040                finally {
041                        StepSynchronizationManager.close();
042                }
043        }
044
045}