| /* |
| * 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; |
| |
| 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.IOException; |
| import java.util.Map; |
| |
| // TODO: Quit extending Dictionary after implementing dynamic binary dictionary. |
| abstract public class AbstractDictionaryWriter extends Dictionary { |
| /** Used for Log actions from this class */ |
| private static final String TAG = AbstractDictionaryWriter.class.getSimpleName(); |
| |
| private final Context mContext; |
| |
| public AbstractDictionaryWriter(final Context context, final String dictType) { |
| super(dictType); |
| mContext = context; |
| } |
| |
| abstract public void clear(); |
| |
| /** |
| * Add a unigram with an optional shortcut to the dictionary. |
| * @param word The word to add. |
| * @param shortcutTarget A shortcut target for this word, or null if none. |
| * @param frequency The frequency for this unigram. |
| * @param shortcutFreq The frequency of the shortcut (0~15, with 15 = whitelist). Ignored |
| * if shortcutTarget is null. |
| * @param isNotAWord true if this is not a word, i.e. shortcut only. |
| */ |
| abstract public void addUnigramWord(final String word, final String shortcutTarget, |
| final int frequency, final int shortcutFreq, final boolean isNotAWord); |
| |
| // TODO: Remove lastModifiedTime after making binary dictionary support forgetting curve. |
| abstract public void addBigramWords(final String word0, final String word1, |
| final int frequency, final boolean isValid, |
| final long lastModifiedTime); |
| |
| abstract public void removeBigramWords(final String word0, final String word1); |
| |
| abstract protected void writeDictionary(final DictEncoder dictEncoder, |
| final Map<String, String> attributeMap) throws IOException, UnsupportedFormatException; |
| |
| public void write(final String fileName, final Map<String, String> attributeMap) { |
| final String tempFileName = fileName + ".temp"; |
| final File file = new File(mContext.getFilesDir(), fileName); |
| final File tempFile = new File(mContext.getFilesDir(), tempFileName); |
| try { |
| final DictEncoder dictEncoder = new Ver3DictEncoder(tempFile); |
| writeDictionary(dictEncoder, attributeMap); |
| tempFile.renameTo(file); |
| } catch (IOException e) { |
| Log.e(TAG, "IO exception while writing file", e); |
| } catch (UnsupportedFormatException e) { |
| Log.e(TAG, "Unsupported format", e); |
| } |
| } |
| } |