BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/storage/file/FileStorage.java

75 lines
2.5 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.storage.file;
import com.github.benmanes.caffeine.cache.Caffeine;
import com.github.benmanes.caffeine.cache.LoadingCache;
import de.bluecolored.bluemap.core.storage.Storage;
import de.bluecolored.bluemap.core.storage.compression.Compression;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.stream.Stream;
public class FileStorage implements Storage {
private final Path root;
private final LoadingCache<String, FileMapStorage> mapStorages;
public FileStorage(Path root, Compression compression) {
this.root = root;
mapStorages = Caffeine.newBuilder()
.build(id -> new FileMapStorage(root.resolve(id), compression));
}
@Override
public void initialize() throws IOException {}
@Override
public FileMapStorage map(String mapId) {
return mapStorages.get(mapId);
}
@SuppressWarnings("resource")
@Override
public Stream<String> mapIds() throws IOException {
return Files.list(root)
.filter(Files::isDirectory)
.map(Path::getFileName)
.map(Path::toString);
}
@Override
public boolean isClosed() {
return false;
}
@Override
public void close() throws IOException {}
}