1 /* 2 * Copyright (C) 2012, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.inputmethod.latin; 18 19 import com.android.inputmethod.latin.utils.JniUtils; 20 21 import java.util.Locale; 22 23 public final class DicTraverseSession { 24 static { 25 JniUtils.loadNativeLibrary(); 26 } 27 28 private static native long setDicTraverseSessionNative(String locale, long dictSize); 29 private static native void initDicTraverseSessionNative(long nativeDicTraverseSession, 30 long dictionary, int[] previousWord, int previousWordLength); 31 private static native void releaseDicTraverseSessionNative(long nativeDicTraverseSession); 32 33 private long mNativeDicTraverseSession; 34 35 public DicTraverseSession(Locale locale, long dictionary, long dictSize) { 36 mNativeDicTraverseSession = createNativeDicTraverseSession( 37 locale != null ? locale.toString() : "", dictSize); 38 initSession(dictionary); 39 } 40 41 public long getSession() { 42 return mNativeDicTraverseSession; 43 } 44 45 public void initSession(long dictionary) { 46 initSession(dictionary, null, 0); 47 } 48 49 public void initSession(long dictionary, int[] previousWord, int previousWordLength) { 50 initDicTraverseSessionNative( 51 mNativeDicTraverseSession, dictionary, previousWord, previousWordLength); 52 } 53 54 private final long createNativeDicTraverseSession(String locale, long dictSize) { 55 return setDicTraverseSessionNative(locale, dictSize); 56 } 57 58 private void closeInternal() { 59 if (mNativeDicTraverseSession != 0) { 60 releaseDicTraverseSessionNative(mNativeDicTraverseSession); 61 mNativeDicTraverseSession = 0; 62 } 63 } 64 65 public void close() { 66 closeInternal(); 67 } 68 69 @Override 70 protected void finalize() throws Throwable { 71 try { 72 closeInternal(); 73 } finally { 74 super.finalize(); 75 } 76 } 77 } 78
