package org.apache.maven.plugin.install;
/*
* 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 org.codehaus.plexus.digest.Digester;
import org.codehaus.plexus.digest.Md5Digester;
import org.codehaus.plexus.digest.Sha1Digester;
import org.codehaus.plexus.util.FileUtils;
/**
* A utility class to assist testing.
*
* @author Benjamin Bentmann
* @version $Id: Utils.java 730530 2009-01-01 11:40:02Z bentmann $
*/
public class Utils
{
/**
* Verifies a checksum file in the local repo.
*
* @param checksumFile The checksum file to verify, must not be <code>null</code>.
* @throws Exception If the verification failed.
*/
public static void verifyChecksum( File checksumFile )
throws Exception
{
File dataFile;
Digester digester;
if ( checksumFile.getName().endsWith( ".md5" ) )
{
digester = new Md5Digester();
dataFile = new File( checksumFile.getPath().substring( 0, checksumFile.getPath().length() - 4 ) );
}
else if ( checksumFile.getName().endsWith( ".sha1" ) )
{
digester = new Sha1Digester();
dataFile = new File( checksumFile.getPath().substring( 0, checksumFile.getPath().length() - 5 ) );
}
else
{
throw new IllegalArgumentException( "Unsupported checksum file: " + checksumFile );
}
String expected = FileUtils.fileRead( checksumFile, "UTF-8" );
digester.verify( dataFile, expected );
}
}