/*
 * 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, "manifest-content-1.0-SNAPSHOT.jar" );
    if ( !artifact.exists() || artifact.isDirectory() )
    {
        System.err.println( "artifact file is missing or a directory." );
        return false;
    }

    JarFile jar = new JarFile( artifact );

    Attributes manifest = jar.getManifest().getMainAttributes();

    if ( !"Apache Maven".equals( manifest.get( new Attributes.Name( "Created-By" ) ) ) )
    {
        System.err.println( "Created-By not equals Apache Maven" );
        return false;
    }


    if ( !"manifest-content-it".equals( manifest.get( Attributes.Name.SPECIFICATION_TITLE ) ) )
    {
        System.err.println( Attributes.Name.SPECIFICATION_TITLE.toString() + " not equals manifest-content-it" );
        return false;
    }

    if ( !"1.0-SNAPSHOT".equals( manifest.get( Attributes.Name.SPECIFICATION_VERSION ) ) )
    {
        System.err.println( Attributes.Name.SPECIFICATION_VERSION.toString() + " not equals 1.0-SNAPSHOT" );
        return false;
    }

    if ( !"jar plugin it".equals( manifest.get( Attributes.Name.SPECIFICATION_VENDOR ) ) )
    {
        System.err.println( Attributes.Name.SPECIFICATION_VENDOR.toString() + " not equals jar plugin it" );
        return false;
    }

    if ( !"manifest-content-it".equals( manifest.get( Attributes.Name.IMPLEMENTATION_TITLE ) ) )
    {
        System.err.println( Attributes.Name.IMPLEMENTATION_TITLE.toString() + " not equals manifest-content-it" );
        return false;
    }

    if ( !"1.0-SNAPSHOT".equals( manifest.get( Attributes.Name.IMPLEMENTATION_VERSION ) ) )
    {
        System.err.println( Attributes.Name.SPECIFICATION_VERSION.toString() + " not equals 1.0-SNAPSHOT" );
        return false;
    }

    if ( !"org.apache.maven.plugins".equals( manifest.get( Attributes.Name.IMPLEMENTATION_VENDOR_ID ) ) )
    {
        System.err.println( Attributes.Name.IMPLEMENTATION_VENDOR_ID.toString() + " not equals org.apache.maven.plugins" );
        return false;
    }

    if ( !"jar plugin it".equals( manifest.get( Attributes.Name.IMPLEMENTATION_VENDOR ) ) )
    {
        System.err.println( Attributes.Name.IMPLEMENTATION_VENDOR.toString() + " not equals jar plugin it" );
        return false;
    }

    if ( !"myproject.HelloWorld".equals( manifest.get( Attributes.Name.MAIN_CLASS ) ) )
    {
        System.err.println( Attributes.Name.MAIN_CLASS.toString() + " not equals myproject.HelloWorld" );
        return false;
    }

}
catch( Throwable e )
{
    e.printStackTrace();
    result = false;
}

return result;