54 lines
2.1 KiB
Java
54 lines
2.1 KiB
Java
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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.personalization;
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import com.android.inputmethod.latin.utils.CollectionUtils;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.util.Log;
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import java.lang.ref.SoftReference;
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import java.util.concurrent.ConcurrentHashMap;
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public class PersonalizationDictionaryHelper {
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private static final String TAG = PersonalizationDictionaryHelper.class.getSimpleName();
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private static final boolean DEBUG = false;
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private static final ConcurrentHashMap<String, SoftReference<UserHistoryDictionary>>
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sLangDictCache = CollectionUtils.newConcurrentHashMap();
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public static UserHistoryDictionary getUserHistoryDictionary(
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final Context context, final String locale, final SharedPreferences sp) {
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synchronized (sLangDictCache) {
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if (sLangDictCache.containsKey(locale)) {
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final SoftReference<UserHistoryDictionary> ref = sLangDictCache.get(locale);
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final UserHistoryDictionary dict = ref == null ? null : ref.get();
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if (dict != null) {
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if (DEBUG) {
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Log.w(TAG, "Use cached UserHistoryDictionary for " + locale);
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}
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return dict;
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}
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}
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final UserHistoryDictionary dict = new UserHistoryDictionary(context, locale, sp);
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sLangDictCache.put(locale, new SoftReference<UserHistoryDictionary>(dict));
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return dict;
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}
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}
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}
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