Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.batchee.csv; import org.apache.batchee.csv.util.IOs; import org.apache.batchee.util.Batches; import org.apache.commons.csv.CSVRecord; import org.testng.annotations.Test; import javax.batch.api.chunk.ItemProcessor; import javax.batch.operations.JobOperator; import javax.batch.runtime.BatchRuntime; import java.util.ArrayList; import java.util.List; import java.util.Properties; import static org.testng.Assert.assertEquals; public class CommonsCsvReaderTest { @Test public void read() throws Exception { final String path = "target/work/CommonsCsvReaderTest.txt"; final Properties jobParams = new Properties(); jobParams.setProperty("input", path); final JobOperator jobOperator = BatchRuntime.getJobOperator(); IOs.write(path, "v11,v12\nv21,v22\nv31,v32"); Batches.waitForEnd(jobOperator, jobOperator.start("csv-reader", jobParams)); final int size = StoreItems.ITEMS.size(); assertEquals(size, 3); for (int i = 1; i <= size; i++) { final CSVRecord record = StoreItems.ITEMS.get(i - 1); assertEquals("v" + i + "1", record.get(0)); assertEquals("v" + i + "2", record.get(1)); } } public static class StoreItems implements ItemProcessor { public static final List<CSVRecord> ITEMS = new ArrayList<CSVRecord>(3); @Override public Object processItem(final Object item) throws Exception { ITEMS.add(CSVRecord.class.cast(item)); return item; } } }