package org.apache.maven.plugins.assembly.io;

/*
 * 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.apache.maven.shared.io.location.FileLocation;
import org.apache.maven.shared.io.location.Location;
import org.apache.maven.shared.io.location.LocatorStrategy;
import org.apache.maven.shared.io.logging.MessageHolder;

import java.io.File;

/**
 * @version $Id$
 */
class RelativeFileLocatorStrategy
    implements LocatorStrategy
{

    private final File basedir;

    RelativeFileLocatorStrategy( File basedir )
    {
        this.basedir = basedir;
    }

    @Override
    public Location resolve( String locationSpecification, MessageHolder messageHolder )
    {
        File file = new File( basedir, locationSpecification );
        messageHolder.addInfoMessage( "Searching for file location: " + file.getAbsolutePath() );

        Location location = null;

        if ( file.exists() )
        {
            location = new FileLocation( file, locationSpecification );
        }
        else
        {
            messageHolder.addMessage( "File: " + file.getAbsolutePath() + " does not exist." );
        }

        return location;
    }

}