| /* |
| * 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.jackrabbit.oak.index.indexer.document.flatfile; |
| |
| import java.io.BufferedReader; |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.OutputStream; |
| import java.io.OutputStreamWriter; |
| import java.util.List; |
| import java.util.zip.Deflater; |
| import java.util.zip.GZIPInputStream; |
| import java.util.zip.GZIPOutputStream; |
| |
| import static com.google.common.base.Charsets.UTF_8; |
| |
| class FlatFileStoreUtils { |
| |
| public static BufferedReader createReader(File file, boolean compressionEnabled) { |
| try { |
| BufferedReader br; |
| InputStream in = new FileInputStream(file); |
| if (compressionEnabled) { |
| br = new BufferedReader(new InputStreamReader(new GZIPInputStream(in, 2048), UTF_8)); |
| } else { |
| br = new BufferedReader(new InputStreamReader(in, UTF_8)); |
| } |
| return br; |
| } catch (IOException e) { |
| throw new RuntimeException("Error opening file " + file, e); |
| } |
| } |
| |
| public static BufferedWriter createWriter(File file, boolean compressionEnabled) throws IOException { |
| OutputStream out = new FileOutputStream(file); |
| if (compressionEnabled) { |
| out = new GZIPOutputStream(out, 2048) { |
| { |
| def.setLevel(Deflater.BEST_SPEED); |
| } |
| }; |
| } |
| return new BufferedWriter(new OutputStreamWriter(out, UTF_8)); |
| } |
| |
| public static long sizeOf(List<File> sortedFiles) { |
| return sortedFiles.stream().mapToLong(File::length).sum(); |
| } |
| |
| public static String getSortedStoreFileName(boolean compressionEnabled){ |
| return compressionEnabled ? "store-sorted.json.gz" : "store-sorted.json"; |
| } |
| } |