001package org.apache.maven.settings.building;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *   http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.io.File;
023import java.io.FileInputStream;
024import java.io.IOException;
025import java.io.InputStream;
026
027/**
028 * Wraps an ordinary {@link File} as a settings source.
029 *
030 * @author Benjamin Bentmann
031 */
032public class FileSettingsSource
033    implements SettingsSource
034{
035
036    private File settingsFile;
037
038    /**
039     * Creates a new settings source backed by the specified file.
040     *
041     * @param settingsFile The settings file, must not be {@code null}.
042     */
043    public FileSettingsSource( File settingsFile )
044    {
045        if ( settingsFile == null )
046        {
047            throw new IllegalArgumentException( "no settings file specified" );
048        }
049        this.settingsFile = settingsFile.getAbsoluteFile();
050    }
051
052    public InputStream getInputStream()
053        throws IOException
054    {
055        return new FileInputStream( settingsFile );
056    }
057
058    public String getLocation()
059    {
060        return settingsFile.getPath();
061    }
062
063    /**
064     * Gets the settings file of this model source.
065     *
066     * @return The underlying settings file, never {@code null}.
067     */
068    public File getSettingsFile()
069    {
070        return settingsFile;
071    }
072
073    @Override
074    public String toString()
075    {
076        return getLocation();
077    }
078
079}