/*
 * 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.*;
import java.util.*;
import java.util.jar.*;
import org.codehaus.plexus.util.*;

boolean result = true;

try
{
    File target = new File( basedir, "target" );
    if ( !target.exists() || !target.isDirectory() )
    {
        System.err.println( "target file is missing or not a directory." );
        return false;
    }

    File artifact = new File( target, "mjar-71-1.0.jar" );
    if ( !artifact.exists() || artifact.isDirectory() )
    {
        System.err.println( "artifact file " + file + " is missing or a directory." );
        return false;
    }

    JarFile jar = new JarFile( artifact );
    Enumeration jarEntries = jar.entries();
    while ( jarEntries.hasMoreElements() )
    {
        JarEntry entry = (JarEntry) jarEntries.nextElement();
        if ( !entry.isDirectory() )
        {
            // Only compare files
            if ( entry.getName().equals( "META-INF/MANIFEST.MF" ) )
            {
            	String manifest = IOUtil.toString( jar.getInputStream ( entry ) );
            	int index = manifest.indexOf( "Archiver-Version: foobar-1.23456" );
            	if ( index <= 0 )
            	{	
            		System.err.println( "MANIFEST doesn't contain: 'Archiver-Version: foobar-1.23456'" );
            		return false;
            	}
            	return true;
            }
        }
    }
    System.err.println( "MANIFEST.MF not found" );
    return false;
}
catch( Throwable e )
{
    e.printStackTrace();
    result = false;
}

return result;