001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.wicket.core.util.resource.locator.caching;
018
019import java.nio.file.Paths;
020
021import org.apache.wicket.util.resource.FileSystemResourceStream;
022
023/**
024 * A reference which can be used to recreate {@link FileSystemResourceStream}
025 * 
026 * @author Tobias Soloschenko
027 */
028public class FileSystemResourceStreamReference extends AbstractResourceStreamReference
029{
030        private final String absolutePath;
031
032        FileSystemResourceStreamReference(final FileSystemResourceStream fileSystemResourceStream)
033        {
034                absolutePath = fileSystemResourceStream.getPath().toAbsolutePath().toString();
035                saveResourceStream(fileSystemResourceStream);
036        }
037
038        @Override
039        public FileSystemResourceStream getReference()
040        {
041                FileSystemResourceStream fileSystemResourceStream = new FileSystemResourceStream(Paths.get(absolutePath));
042                restoreResourceStream(fileSystemResourceStream);
043                return fileSystemResourceStream;
044        }
045}