/*
 * 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.wicket.core.util.resource.locator.caching;

import java.nio.file.Paths;

import org.apache.wicket.util.resource.FileSystemResourceStream;

/**
 * A reference which can be used to recreate {@link FileSystemResourceStream}
 * 
 * @author Tobias Soloschenko
 */
public class FileSystemResourceStreamReference extends AbstractResourceStreamReference
{
	private final String absolutePath;

	FileSystemResourceStreamReference(final FileSystemResourceStream fileSystemResourceStream)
	{
		absolutePath = fileSystemResourceStream.getPath().toAbsolutePath().toString();
		saveResourceStream(fileSystemResourceStream);
	}

	@Override
	public FileSystemResourceStream getReference()
	{
		FileSystemResourceStream fileSystemResourceStream = new FileSystemResourceStream(Paths.get(absolutePath));
		restoreResourceStream(fileSystemResourceStream);
		return fileSystemResourceStream;
	}
}
