batch.OutputFileListener.java Source code

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Here is the source code for batch.OutputFileListener.java

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/*
 * 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
 *
 *      http://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 batch;

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");
        }
    }

}