FileTestUtils.java

package org.apache.maven.wagon;

/*
 * 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 org.codehaus.plexus.util.FileUtils;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;

/**
 * @author <a href="michal@apache.org>Michal Maczka</a>
 *
 */
public class FileTestUtils
{

    public static File createUniqueFile( final String dirname, final String name )
        throws IOException
    {

        final File dir = createDir( dirname );

        final File retValue = new File( dir, name );

        return retValue;

    }


    public static File createUniqueDir( final String name )
        throws IOException
    {

        String filename = name + System.currentTimeMillis();

        return createDir( filename );

    }


    public static File createDir( final String name )
        throws IOException
    {

        final File baseDirectory = getTestOutputDir();

        final File retValue = new File( baseDirectory, name );
       
        if ( retValue.exists() )
        {
            FileUtils.cleanDirectory( retValue );
            return retValue;
        }
        
        retValue.mkdirs();

        if ( !retValue.exists() )
        {
            throw new IOException( "Unable to create the directory for testdata " + retValue.getPath() );
        }

        return retValue;
    }

    public static File getTestOutputDir()
    {
        final String tempDir = System.getProperty( "java.io.tmpdir" );

        final String baseDir = System.getProperty( "basedir", tempDir );

        final File base = new File( baseDir ).getAbsoluteFile();

        final String pathname = base + File.separator + "target" + File.separator + "test-output";

        final File retValue = new File( pathname );

        retValue.mkdirs();

        return retValue;
    }

    public static File generateFile( String file, String content )
        throws IOException
    {
        File f = new File( file );

        f.getParentFile().mkdirs();

        Writer writer = new FileWriter( f );

        try
        {
            writer.write( content );
        }
        finally
        {
            writer.close();
        }

        return f;
    }
}