spring-batch OutputFileListener 源码
spring-batch OutputFileListener 代码
文件路径：/spring-batch-samples/src/main/java/org/springframework/batch/sample/common/OutputFileListener.java
/*
* Copyright 2006-2007 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.sample.common;
import org.apache.commons.io.FilenameUtils;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.annotation.BeforeStep;
import org.springframework.batch.item.ExecutionContext;
/**
* @author Dave Syer
*
*/
public class OutputFileListener {
private String outputKeyName = "outputFile";
private String inputKeyName = "fileName";
private String path = "file:./target/output/";
public void setPath(String path) {
this.path = path;
}
public void setOutputKeyName(String outputKeyName) {
this.outputKeyName = outputKeyName;
}
public void setInputKeyName(String inputKeyName) {
this.inputKeyName = inputKeyName;
}
@BeforeStep
public void createOutputNameFromInput(StepExecution stepExecution) {
ExecutionContext executionContext = stepExecution.getExecutionContext();
String inputName = stepExecution.getStepName().replace(":", "-");
if (executionContext.containsKey(inputKeyName)) {
inputName = executionContext.getString(inputKeyName);
}
if (!executionContext.containsKey(outputKeyName)) {
executionContext.putString(outputKeyName, path + FilenameUtils.getBaseName(inputName) + ".csv");
}
}
}
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