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.launch.support; 018 019import java.util.HashMap; 020import java.util.Map; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.springframework.batch.core.ExitStatus; 025 026/** 027 * An implementation of {@link ExitCodeMapper} that can be configured through a 028 * map from batch exit codes (String) to integer results. Some default entries 029 * are set up to recognise common cases. Any that are injected are added to these. 030 * 031 * @author Stijn Maller 032 * @author Lucas Ward 033 * @author Dave Syer 034 */ 035 036public class SimpleJvmExitCodeMapper implements ExitCodeMapper { 037 038 protected Log logger = LogFactory.getLog(getClass()); 039 040 private Map<String, Integer> mapping; 041 042 public SimpleJvmExitCodeMapper() { 043 mapping = new HashMap<String, Integer>(); 044 mapping.put(ExitStatus.COMPLETED.getExitCode(), JVM_EXITCODE_COMPLETED); 045 mapping.put(ExitStatus.FAILED.getExitCode(), JVM_EXITCODE_GENERIC_ERROR); 046 mapping.put(ExitCodeMapper.JOB_NOT_PROVIDED, JVM_EXITCODE_JOB_ERROR); 047 mapping.put(ExitCodeMapper.NO_SUCH_JOB, JVM_EXITCODE_JOB_ERROR); 048 } 049 050 public Map<String, Integer> getMapping() { 051 return mapping; 052 } 053 054 /** 055 * Supply the ExitCodeMappings 056 * @param exitCodeMap A set of mappings between environment specific exit 057 * codes and batch framework internal exit codes 058 */ 059 public void setMapping(Map<String, Integer> exitCodeMap) { 060 mapping.putAll(exitCodeMap); 061 } 062 063 /** 064 * Get the operating system exit status that matches a certain Batch 065 * Framework exit code 066 * @param exitCode The exit code of the Batch Job as known by the Batch 067 * Framework 068 * @return The exitCode of the Batch Job as known by the JVM 069 */ 070 @Override 071 public int intValue(String exitCode) { 072 073 Integer statusCode = null; 074 075 try { 076 statusCode = mapping.get(exitCode); 077 } 078 catch (RuntimeException ex) { 079 // We still need to return an exit code, even if there is an issue 080 // with 081 // the mapper. 082 logger.fatal("Error mapping exit code, generic exit status returned.", ex); 083 } 084 085 return (statusCode != null) ? statusCode.intValue() : JVM_EXITCODE_GENERIC_ERROR; 086 } 087 088}