package org.apache.maven.artifact.ant;

/*
 * 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.tools.ant.ProjectComponent;

/**
 * Base class for a repository.
 *
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 * @version $Id$
 */
public abstract class Repository
    extends ProjectComponent
{
    private String id;
    
    private String refid;

    private String layout = "default";
    
    protected abstract String getDefaultId();

    public String getId()
    {
        if ( getInstance().id == null )
        {
            getInstance().setId( getDefaultId() );
        }
        return getInstance().id;
    }
    
    public void setId( String id )
    {
        this.id = id;
    }
    
    public String getRefid()
    {
        return refid;
    }

    public void setRefid( String refid )
    {
        this.refid = refid;
    }

    protected Repository getInstance()
    {
        Repository instance = this;
        if ( refid != null )
        {
            instance = (Repository) getProject().getReference( refid );
        }
        return instance;
    }

    public String getLayout()
    {
        return getInstance().layout;
    }

    public void setLayout( String layout )
    {
        this.layout = layout;
    }
}