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[CSV-213] CSVParser#iterator()#hasNext() fails.
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package org.apache.commons.csv.issues;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.nio.charset.StandardCharsets;
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import org.apache.commons.csv.CSVFormat;
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import org.apache.commons.csv.CSVParser;
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import org.apache.commons.csv.CSVRecord;
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import org.apache.commons.csv.QuoteMode;
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import org.junit.Ignore;
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import org.junit.Test;
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/**
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* Tests https://issues.apache.org/jira/browse/CSV-213
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*
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* This is normal behavior with the current architecture: The iterator() API presents an object that is backed by data
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* in the CSVParser as the parser is streaming over the file. The CSVParser is like a forward-only stream. When you
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* create a new Iterator you are only created a new view on the same position in the parser's stream. For the behavior
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* you want, you need to open a new CSVParser.
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*
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*/
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@Ignore
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public class JiraCsv213Test {
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private void createEndChannel(File csvFile) {
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// @formatter:off
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final CSVFormat csvFormat =
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CSVFormat.DEFAULT
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.withDelimiter(';')
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.withFirstRecordAsHeader()
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.withRecordSeparator('\n')
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.withQuoteMode(QuoteMode.ALL);
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// @formatter:on
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try (CSVParser parser = csvFormat
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.parse(new InputStreamReader(new FileInputStream(csvFile), StandardCharsets.UTF_8))) {
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if (parser.iterator().hasNext()) {
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System.out.println(parser.getCurrentLineNumber());
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System.out.println(parser.getRecordNumber());
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// get only first record we don't need other's
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CSVRecord firstRecord = parser.iterator().next(); // this fails
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return;
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}
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} catch (IOException e) {
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throw new RuntimeException("Error while adding end channel to csv", e);
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}
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return;
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}
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@Test
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public void test() {
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createEndChannel(new File("src/test/resources/CSV-213/999751170.patch.csv"));
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}
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}
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src/test/resources/CSV-213/999751170.patch.csv
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2
src/test/resources/CSV-213/999751170.patch.csv
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"CHANELID";"ADDRESS"
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"27";""
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