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package org.apache.maven.artifact.testutils;
/*
* 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.
*/
/*
* 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.
*/
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import junit.framework.Assert;
import org.codehaus.plexus.util.FileUtils;
public class TestFileManager
{
public static final String TEMP_DIR_PATH = System.getProperty( "java.io.tmpdir" );
private List<File> filesToDelete = new ArrayList<File>();
private final String baseFilename;
private final String fileSuffix;
private StackTraceElement callerInfo;
private Thread cleanupWarning;
private boolean warnAboutCleanup = false;
public TestFileManager( String baseFilename, String fileSuffix )
{
this.baseFilename = baseFilename;
this.fileSuffix = fileSuffix;
initializeCleanupMonitoring();
}
private void initializeCleanupMonitoring()
{
callerInfo = new NullPointerException().getStackTrace()[2];
Runnable warning = new Runnable()
{
public void run()
{
maybeWarnAboutCleanUp();
}
};
cleanupWarning = new Thread( warning );
Runtime.getRuntime().addShutdownHook( cleanupWarning );
}
private void maybeWarnAboutCleanUp()
{
if ( warnAboutCleanup )
{
System.out.println( "[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!" );
}
}
public void markForDeletion( File toDelete )
{
filesToDelete.add( toDelete );
warnAboutCleanup = true;
}
public synchronized File createTempDir()
{
try
{
Thread.sleep( 20 );
}
catch ( InterruptedException e )
{
// ignore
}
File dir = new File( TEMP_DIR_PATH, baseFilename + System.currentTimeMillis() );
dir.mkdirs();
markForDeletion( dir );
return dir;
}
public synchronized File createTempFile()
throws IOException
{
File tempFile = File.createTempFile( baseFilename, fileSuffix );
tempFile.deleteOnExit();
markForDeletion( tempFile );
return tempFile;
}
public void cleanUp()
throws IOException
{
for ( Iterator it = filesToDelete.iterator(); it.hasNext(); )
{
File file = (File) it.next();
if ( file.exists() )
{
if ( file.isDirectory() )
{
FileUtils.deleteDirectory( file );
}
else
{
file.delete();
}
}
it.remove();
}
warnAboutCleanup = false;
}
public void assertFileExistence( File dir, String filename, boolean shouldExist )
{
File file = new File( dir, filename );
if ( shouldExist )
{
Assert.assertTrue( file.exists() );
}
else
{
Assert.assertFalse( file.exists() );
}
}
public void assertFileContents( File dir, String filename, String contentsTest, String encoding )
throws IOException
{
assertFileExistence( dir, filename, true );
File file = new File( dir, filename );
String contents = FileUtils.fileRead( file, encoding );
Assert.assertEquals( contentsTest, contents );
}
public File createFile( File dir, String filename, String contents, String encoding )
throws IOException
{
File file = new File( dir, filename );
file.getParentFile().mkdirs();
FileUtils.fileWrite( file.getPath(), encoding, contents );
markForDeletion( file );
return file;
}
public String getFileContents( File file, String encoding )
throws IOException
{
return FileUtils.fileRead( file, encoding );
}
protected void finalize()
throws Throwable
{
maybeWarnAboutCleanUp();
super.finalize();
}
public File createFile( String filename, String content, String encoding )
throws IOException
{
File dir = createTempDir();
return createFile( dir, filename, content, encoding );
}
}
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