001/* 002 * Copyright 2006-2013 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 */ 016 017package org.springframework.batch.core.step.tasklet; 018 019import java.util.Map; 020 021import org.springframework.batch.core.ExitStatus; 022import org.springframework.util.Assert; 023 024/** 025 * Maps exit codes to {@link org.springframework.batch.core.ExitStatus} 026 * according to injected map. The injected map is required to contain a value 027 * for 'else' key, this value will be returned if the injected map 028 * does not contain value for the exit code returned by the system process. 029 * 030 * @author Robert Kasanicky 031 */ 032public class ConfigurableSystemProcessExitCodeMapper implements SystemProcessExitCodeMapper { 033 034 public static final String ELSE_KEY = "else"; 035 036 private Map<Object, ExitStatus> mappings; 037 038 @Override 039 public ExitStatus getExitStatus(int exitCode) { 040 ExitStatus exitStatus = mappings.get(exitCode); 041 if (exitStatus != null) { 042 return exitStatus; 043 } else { 044 return mappings.get(ELSE_KEY); 045 } 046 } 047 048 /** 049 * @param mappings <code>Integer</code> exit code keys to 050 * {@link org.springframework.batch.core.ExitStatus} values. 051 */ 052 public void setMappings(Map<Object, ExitStatus> mappings) { 053 Assert.notNull(mappings.get(ELSE_KEY), "Missing value for " + ELSE_KEY); 054 this.mappings = mappings; 055 } 056 057}