1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) 2020 The Android Open Source Project
*
* Licensed 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 com.android.timezone.location.tools.block.dump;
import static com.android.timezone.location.tools.block.dump.DumpUtils.createPrintWriter;
import com.android.timezone.location.storage.block.read.Block;
import com.android.timezone.location.storage.block.read.BlockFileReader.BlockFileVisitor;
import com.android.timezone.location.storage.block.read.BlockInfo;
import java.io.File;
import java.io.PrintWriter;
/** A {@link BlockFileVisitor} that dumps information to multiple files. */
public final class BlockFileDumper implements BlockFileVisitor {
private final File mOutputDir;
private int mBlockCount;
public BlockFileDumper(File outputDir) {
mOutputDir = outputDir;
}
@Override
public void visitFileHeader(char magic, int version, int blockCount) throws VisitException {
File fileHeaderFile = new File(mOutputDir, "fileheader.txt");
try (PrintWriter writer = createPrintWriter(fileHeaderFile)) {
writer.println("Magic=" + Integer.toHexString(magic));
writer.println("Version=" + version);
writer.println("Block count=" + blockCount);
}
mBlockCount = blockCount;
}
@Override
public void visitBlockInfo(BlockInfo blockInfo) throws VisitException {
File blockInfoFile = DumpUtils.generateDumpFile(
mOutputDir, "blockinfo_", blockInfo.getId(), mBlockCount);
blockInfo.visit(new BlockInfoDumper(blockInfoFile));
}
@Override
public void visitBlock(Block block) throws VisitException {
File blockFile =
DumpUtils.generateDumpFile(mOutputDir, "block_", block.getId(), mBlockCount);
block.visit(new BlockDumper(blockFile));
}
}
|
