am 6b7037fa: Merge "Extract SparseTableContentWriter."
* commit '6b7037fa680694b6fc787ec5bbcdb0aaa5fcad13': Extract SparseTableContentWriter.main
Ken Wakasa
Android Git Automerger
commit
0fd378c748
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@ -0,0 +1,93 @@
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.inputmethod.latin.makedict;
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import java.io.File;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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/**
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* An auxiliary class for writing data associated with SparseTable to files.
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*/
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public class SparseTableContentWriter {
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public interface SparseTableContentWriterInterface {
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public void write(final OutputStream outStream) throws IOException;
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}
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private final int mContentCount;
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private final SparseTable mSparseTable;
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private final File mLookupTableFile;
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protected final File mBaseDir;
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private final File[] mAddressTableFiles;
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private final File[] mContentFiles;
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protected final OutputStream[] mContentOutStreams;
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/**
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* Sole constructor of SparseTableContentWriter.
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*
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* @param name the name of SparseTable.
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* @param initialCapacity the initial capacity of SparseTable.
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* @param blockSize the block size of the content table.
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* @param baseDir the directory which contains the files of the content table.
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* @param contentFilenames the file names of content files.
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* @param contentIds the ids of contents. These ids are used for a suffix of a name of address
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* files and content files.
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*/
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public SparseTableContentWriter(final String name, final int initialCapacity,
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final int blockSize, final File baseDir, final String[] contentFilenames,
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final String[] contentIds) {
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if (contentFilenames.length != contentIds.length) {
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throw new RuntimeException("The length of contentFilenames and the length of"
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+ " contentIds are different " + contentFilenames.length + ", "
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+ contentIds.length);
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}
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mContentCount = contentFilenames.length;
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mSparseTable = new SparseTable(initialCapacity, blockSize, mContentCount);
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mLookupTableFile = new File(baseDir, name + FormatSpec.LOOKUP_TABLE_FILE_SUFFIX);
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mAddressTableFiles = new File[mContentCount];
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mContentFiles = new File[mContentCount];
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mBaseDir = baseDir;
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for (int i = 0; i < mContentCount; ++i) {
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mAddressTableFiles[i] = new File(mBaseDir,
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name + FormatSpec.CONTENT_TABLE_FILE_SUFFIX + contentIds[i]);
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mContentFiles[i] = new File(mBaseDir, contentFilenames[i] + contentIds[i]);
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}
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mContentOutStreams = new OutputStream[mContentCount];
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}
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public void openStreams() throws FileNotFoundException {
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for (int i = 0; i < mContentCount; ++i) {
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mContentOutStreams[i] = new FileOutputStream(mContentFiles[i]);
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}
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}
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protected void write(final int contentIndex, final int index,
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final SparseTableContentWriterInterface writer) throws IOException {
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mSparseTable.set(contentIndex, index, (int) mContentFiles[contentIndex].length());
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writer.write(mContentOutStreams[contentIndex]);
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mContentOutStreams[contentIndex].flush();
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}
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public void closeStreams() throws IOException {
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mSparseTable.writeToFiles(mLookupTableFile, mAddressTableFiles);
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for (int i = 0; i < mContentCount; ++i) {
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mContentOutStreams[i].close();
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}
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}
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}
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@ -57,62 +57,6 @@ public class Ver4DictEncoder implements DictEncoder {
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mDictPlacedDir = dictPlacedDir;
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}
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private interface SparseTableContentWriterInterface {
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public void write(final OutputStream outStream) throws IOException;
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}
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private static class SparseTableContentWriter {
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private final int mContentCount;
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private final SparseTable mSparseTable;
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private final File mLookupTableFile;
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protected final File mBaseDir;
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private final File[] mAddressTableFiles;
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private final File[] mContentFiles;
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protected final OutputStream[] mContentOutStreams;
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public SparseTableContentWriter(final String name, final int initialCapacity,
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final int blockSize, final File baseDir, final String[] contentFilenames,
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final String[] contentIds) {
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if (contentFilenames.length != contentIds.length) {
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throw new RuntimeException("The length of contentFilenames and the length of"
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+ " contentIds are different " + contentFilenames.length + ", "
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+ contentIds.length);
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}
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mContentCount = contentFilenames.length;
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mSparseTable = new SparseTable(initialCapacity, blockSize, mContentCount);
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mLookupTableFile = new File(baseDir, name + FormatSpec.LOOKUP_TABLE_FILE_SUFFIX);
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mAddressTableFiles = new File[mContentCount];
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mContentFiles = new File[mContentCount];
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mBaseDir = baseDir;
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for (int i = 0; i < mContentCount; ++i) {
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mAddressTableFiles[i] = new File(mBaseDir,
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name + FormatSpec.CONTENT_TABLE_FILE_SUFFIX + contentIds[i]);
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mContentFiles[i] = new File(mBaseDir, contentFilenames[i] + contentIds[i]);
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}
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mContentOutStreams = new OutputStream[mContentCount];
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}
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public void openStreams() throws FileNotFoundException {
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for (int i = 0; i < mContentCount; ++i) {
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mContentOutStreams[i] = new FileOutputStream(mContentFiles[i]);
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}
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}
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protected void write(final int contentIndex, final int index,
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final SparseTableContentWriterInterface writer) throws IOException {
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mSparseTable.set(contentIndex, index, (int) mContentFiles[contentIndex].length());
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writer.write(mContentOutStreams[contentIndex]);
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mContentOutStreams[contentIndex].flush();
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}
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public void closeStreams() throws IOException {
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mSparseTable.writeToFiles(mLookupTableFile, mAddressTableFiles);
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for (int i = 0; i < mContentCount; ++i) {
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mContentOutStreams[i].close();
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}
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}
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}
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private static class BigramContentWriter extends SparseTableContentWriter {
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private final boolean mWriteTimestamp;
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