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/*
* SonarQube
* Copyright (C) 2009-2025 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program 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.
*
* This program 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.impl.utils;
import java.io.File;
import java.io.IOException;
import javax.annotation.Nullable;
import org.apache.commons.lang3.StringUtils;
import org.junit.rules.ExternalResource;
import org.junit.rules.TemporaryFolder;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;
import org.sonar.api.utils.TempFolder;
/**
* Implementation of {@link org.sonar.api.utils.TempFolder} to be used
* only in JUnit tests. It wraps {@link org.junit.rules.TemporaryFolder}.
* <br>
* Example:
* <pre>
* public class MyTest {
* @@org.junit.Rule
* public JUnitTempFolder temp = new JUnitTempFolder();
*
* @@org.junit.Test
* public void myTest() throws Exception {
* File dir = temp.newDir();
* // ...
* }
* }
* </pre>
*
* @since 5.1
*/
public class JUnitTempFolder extends ExternalResource implements TempFolder {
private final TemporaryFolder junit = new TemporaryFolder();
@Override
public Statement apply(Statement base, Description description) {
return junit.apply(base, description);
}
@Override
protected void before() throws Throwable {
junit.create();
}
@Override
protected void after() {
junit.delete();
}
@Override
public File newDir() {
try {
return junit.newFolder();
} catch (IOException e) {
throw new IllegalStateException("Fail to create temp dir", e);
}
}
@Override
public File newDir(String name) {
try {
return junit.newFolder(name);
} catch (IOException e) {
throw new IllegalStateException("Fail to create temp dir", e);
}
}
@Override
public File newFile() {
try {
return junit.newFile();
} catch (IOException e) {
throw new IllegalStateException("Fail to create temp file", e);
}
}
@Override
public File newFile(@Nullable String prefix, @Nullable String suffix) {
try {
return junit.newFile(StringUtils.defaultString(prefix) + "-" + StringUtils.defaultString(suffix));
} catch (IOException e) {
throw new IllegalStateException("Fail to create temp file", e);
}
}
public File getRoot() {
return junit.getRoot();
}
}
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