1 /* 2 * Copyright (C) 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.timezone.location.tools; 18 19 import com.android.timezone.location.storage.block.read.BlockFileReader; 20 import com.android.timezone.location.tools.dump.BlockFileDumper; 21 22 import java.io.File; 23 24 /** Dumps low-level information about a block file in text form for debugging / analysis. */ 25 public final class DumpBlockFile { 26 27 /** 28 * Usage: 29 * DumpBlockFile <[input] block file name> <[output] directory name> 30 */ main(String[] args)31 public static void main(String[] args) throws Exception { 32 String blockFileName = args[0]; 33 String outputDirName = args[1]; 34 boolean memoryMapBlocks = false; 35 36 File outputDir = new File(outputDirName); 37 outputDir.mkdirs(); 38 39 File blockFile = new File(blockFileName); 40 try (BlockFileReader reader = BlockFileReader.open(memoryMapBlocks, blockFile)) { 41 reader.visit(new BlockFileDumper(outputDir)); 42 } 43 } 44 } 45