org.sonar.api.utils.text.CsvWriter Maven / Gradle / Ivy
/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* SonarQube is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.api.utils.text;
import org.apache.commons.lang.StringEscapeUtils;
import java.io.IOException;
import java.io.Writer;
/**
* @since 4.2
*/
public class CsvWriter {
private final Writer writer;
private static final String VALUE_SEPARATOR = ",", LINE_SEPARATOR = "\r\n";
private CsvWriter(Writer writer) {
this.writer = writer;
}
public static CsvWriter of(Writer writer) {
return new CsvWriter(writer);
}
public CsvWriter values(String... values) {
for (int index = 0; index < values.length; index++) {
if (index > 0) {
write(VALUE_SEPARATOR);
}
String value = values[index];
if (value != null) {
write(StringEscapeUtils.escapeCsv(value));
}
if (index == values.length - 1) {
write(LINE_SEPARATOR);
}
}
return this;
}
public void close() {
try {
writer.close();
} catch (IOException e) {
throw new WriterException("Fail to close CSV output", e);
}
}
private void write(String s) {
try {
writer.append(s);
} catch (IOException e) {
throw new WriterException("Fail to generate CSV with value: " + s, e);
}
}
}
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