96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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import com.android.inputmethod.keyboard.ProximityInfo;
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import android.util.Log;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.concurrent.CopyOnWriteArrayList;
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/**
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* Class for a collection of dictionaries that behave like one dictionary.
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*/
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public class DictionaryCollection extends Dictionary {
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private final String TAG = DictionaryCollection.class.getSimpleName();
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protected final CopyOnWriteArrayList<Dictionary> mDictionaries;
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public DictionaryCollection() {
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mDictionaries = new CopyOnWriteArrayList<Dictionary>();
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}
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public DictionaryCollection(Dictionary... dictionaries) {
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if (null == dictionaries) {
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mDictionaries = new CopyOnWriteArrayList<Dictionary>();
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} else {
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mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
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mDictionaries.removeAll(Collections.singleton(null));
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}
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}
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public DictionaryCollection(Collection<Dictionary> dictionaries) {
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mDictionaries = new CopyOnWriteArrayList<Dictionary>(dictionaries);
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mDictionaries.removeAll(Collections.singleton(null));
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}
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@Override
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public void getWords(final WordComposer composer, final WordCallback callback,
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final ProximityInfo proximityInfo) {
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for (final Dictionary dict : mDictionaries)
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dict.getWords(composer, callback, proximityInfo);
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}
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@Override
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public void getBigrams(final WordComposer composer, final CharSequence previousWord,
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final WordCallback callback) {
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for (final Dictionary dict : mDictionaries)
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dict.getBigrams(composer, previousWord, callback);
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}
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@Override
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public boolean isValidWord(CharSequence word) {
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for (int i = mDictionaries.size() - 1; i >= 0; --i)
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if (mDictionaries.get(i).isValidWord(word)) return true;
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return false;
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}
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@Override
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public void close() {
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for (final Dictionary dict : mDictionaries)
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dict.close();
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}
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// Warning: this is not thread-safe. Take necessary precaution when calling.
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public void addDictionary(final Dictionary newDict) {
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if (null == newDict) return;
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if (mDictionaries.contains(newDict)) {
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Log.w(TAG, "This collection already contains this dictionary: " + newDict);
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}
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mDictionaries.add(newDict);
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}
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// Warning: this is not thread-safe. Take necessary precaution when calling.
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public void removeDictionary(final Dictionary dict) {
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if (mDictionaries.contains(dict)) {
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mDictionaries.remove(dict);
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} else {
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Log.w(TAG, "This collection does not contain this dictionary: " + dict);
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}
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}
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}
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