Add DictEncoder. (c922c8a5) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/latin/AbstractDictionaryWriter.java

+5 −15

Original line number	Diff line number	Diff line
		@@ -19,10 +19,11 @@ package com.android.inputmethod.latin;
		import android.content.Context;
		import android.util.Log;

		import com.android.inputmethod.latin.makedict.DictEncoder;
		import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
		import com.android.inputmethod.latin.makedict.Ver3DictEncoder;

		import java.io.File;
		import java.io.FileOutputStream;
		import java.io.IOException;

		// TODO: Quit extending Dictionary after implementing dynamic binary dictionary.
		@@ -49,32 +50,21 @@ abstract public class AbstractDictionaryWriter extends Dictionary {

		abstract public void removeBigramWords(final String word0, final String word1);

		abstract protected void writeBinaryDictionary(final FileOutputStream out)
		abstract protected void writeDictionary(final DictEncoder dictEncoder)
		throws IOException, UnsupportedFormatException;

		public void write(final String fileName) {
		final String tempFileName = fileName + ".temp";
		final File file = new File(mContext.getFilesDir(), fileName);
		final File tempFile = new File(mContext.getFilesDir(), tempFileName);
		FileOutputStream out = null;
		try {
		out = new FileOutputStream(tempFile);
		writeBinaryDictionary(out);
		out.flush();
		out.close();
		final DictEncoder dictEncoder = new Ver3DictEncoder(file);
		writeDictionary(dictEncoder);
		tempFile.renameTo(file);
		} catch (IOException e) {
		Log.e(TAG, "IO exception while writing file", e);
		} catch (UnsupportedFormatException e) {
		Log.e(TAG, "Unsupported format", e);
		} finally {
		if (out != null) {
		try {
		out.close();
		} catch (IOException e) {
		// ignore
		}
		}
		}
		}
		}

java/src/com/android/inputmethod/latin/DictionaryWriter.java

+3 −4

Original line number	Diff line number	Diff line
		@@ -20,7 +20,7 @@ import android.content.Context;

		import com.android.inputmethod.keyboard.ProximityInfo;
		import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
		import com.android.inputmethod.latin.makedict.BinaryDictEncoderUtils;
		import com.android.inputmethod.latin.makedict.DictEncoder;
		import com.android.inputmethod.latin.makedict.FormatSpec;
		import com.android.inputmethod.latin.makedict.FusionDictionary;
		import com.android.inputmethod.latin.makedict.FusionDictionary.PtNodeArray;
		@@ -28,7 +28,6 @@ import com.android.inputmethod.latin.makedict.FusionDictionary.WeightedString;
		import com.android.inputmethod.latin.makedict.UnsupportedFormatException;
		import com.android.inputmethod.latin.utils.CollectionUtils;

		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.HashMap;
		@@ -85,9 +84,9 @@ public class DictionaryWriter extends AbstractDictionaryWriter {
		}

		@Override
		protected void writeBinaryDictionary(final FileOutputStream out)
		protected void writeDictionary(final DictEncoder dictEncoder)
		throws IOException, UnsupportedFormatException {
		BinaryDictEncoderUtils.writeDictionaryBinary(out, mFusionDictionary, FORMAT_OPTIONS);
		dictEncoder.writeDictionary(mFusionDictionary, FORMAT_OPTIONS);
		}

		@Override

java/src/com/android/inputmethod/latin/makedict/DictEncoder.java

0 → 100644

+29 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 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.inputmethod.latin.makedict;

		import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;

		import java.io.IOException;

		/**
		* An interface of binary dictionary encoder.
		*/
		public interface DictEncoder {
		public void writeDictionary(final FusionDictionary dict, final FormatOptions formatOptions)
		throws IOException, UnsupportedFormatException;
		}

java/src/com/android/inputmethod/latin/makedict/Ver3DictEncoder.java

0 → 100644

+68 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2013 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.inputmethod.latin.makedict;

		import com.android.inputmethod.latin.makedict.FormatSpec.FormatOptions;

		import java.io.File;
		import java.io.FileNotFoundException;
		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.io.OutputStream;

		/**
		* An implementation of DictEncoder for version 3 binary dictionary.
		*/
		public class Ver3DictEncoder implements DictEncoder {

		private final File mDictFile;
		private OutputStream mOutStream;

		public Ver3DictEncoder(final File dictFile) {
		mDictFile = dictFile;
		mOutStream = null;
		}

		// This constructor is used only by BinaryDictOffdeviceUtilsTests.
		// If you want to use this in the production code, you should consider keeping consistency of
		// the interface of Ver3DictDecoder by using factory.
		public Ver3DictEncoder(final OutputStream outStream) {
		mDictFile = null;
		mOutStream = outStream;
		}

		private void openStream() throws FileNotFoundException {
		mOutStream = new FileOutputStream(mDictFile);
		}

		private void close() throws IOException {
		if (mOutStream != null) {
		mOutStream.close();
		mOutStream = null;
		}
		}

		@Override
		public void writeDictionary(FusionDictionary dict, FormatOptions formatOptions)
		throws IOException, UnsupportedFormatException {
		if (mOutStream == null) {
		openStream();
		}
		BinaryDictEncoderUtils.writeDictionaryBinary(mOutStream, dict, formatOptions);
		close();
		}
		}

tests/src/com/android/inputmethod/latin/makedict/BinaryDictDecoderEncoderTests.java

+2 −6

Original line number	Diff line number	Diff line
		@@ -32,7 +32,6 @@ import com.android.inputmethod.latin.utils.CollectionUtils;
		import java.io.File;
		import java.io.FileInputStream;
		import java.io.FileNotFoundException;
		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.util.ArrayList;
		import java.util.HashMap;
		@@ -204,17 +203,14 @@ public class BinaryDictDecoderEncoderTests extends AndroidTestCase {
		long now = -1, diff = -1;

		try {
		final FileOutputStream out = new FileOutputStream(file);
		final DictEncoder dictEncoder = new Ver3DictEncoder(file);

		now = System.currentTimeMillis();
		// If you need to dump the dict to a textual file, uncomment the line below and the
		// function above
		// dumpToCombinedFileForDebug(file, "/tmp/foo");
		BinaryDictEncoderUtils.writeDictionaryBinary(out, dict, formatOptions);
		dictEncoder.writeDictionary(dict, formatOptions);
		diff = System.currentTimeMillis() - now;

		out.flush();
		out.close();
		} catch (IOException e) {
		Log.e(TAG, "IO exception while writing file", e);
		} catch (UnsupportedFormatException e) {