/*
 * 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.
 */
package org.apache.commons.vfs.provider;

import org.apache.commons.vfs.FileName;
import org.apache.commons.vfs.FileType;

/**
 * A file name for layered files.
 *
 * @author <a href="mailto:adammurdoch@apache.org">Adam Murdoch</a>
 * @version $Revision: 764356 $ $Date: 2009-04-13 12:06:01 +0800 (一, 2009-04-13) $
 */
public class LayeredFileName extends AbstractFileName
{
    private final FileName outerUri;

    public LayeredFileName(final String scheme,
                           final FileName outerUri,
                           final String path,
                           final FileType type)
    {
        super(scheme, path, type);
        this.outerUri = outerUri;
    }

    /**
     * Returns the URI of the outer file.
     */
    public FileName getOuterName()
    {
        return outerUri;
    }

    public FileName createName(String path, FileType type)
    {
        return new LayeredFileName(getScheme(), getOuterName(), path, type);
    }

    protected void appendRootUri(StringBuffer buffer, boolean addPassword)
    {
        buffer.append(getScheme());
        buffer.append(":");
        buffer.append(getOuterName().getURI());
        buffer.append("!");
    }
}
