DicTraverseSession.java revision f6c2200890012708709964fb1a8933ed1c3e7dd8 
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
17package com.android.inputmethod.latin;
18
19import java.util.Locale;
20
21public class DicTraverseSession {
22    static {
23        JniUtils.loadNativeLibrary();
24    }
25    private native long setDicTraverseSessionNative(String locale);
26    //private native void initDicTraverseSessionNative(long nativeDicTraverseSession,
27    //long dictionary, int[] previousWord, int previousWordLength);
28    private native void releaseDicTraverseSessionNative(long nativeDicTraverseSession);
29
30    private long mNativeDicTraverseSession;
31
32    public DicTraverseSession(Locale locale) {
33        mNativeDicTraverseSession = createNativeDicTraverseSession(
34                locale != null ? locale.toString() : "");
35    }
36
37    public long getSession() {
38        return mNativeDicTraverseSession;
39    }
40
41    public void initSession(long dictionary) {
42        initSession(dictionary, null, 0);
43    }
44
45    public void initSession(long dictionary, int[] previousWord, int previousWordLength) {
46        //initDicTraverseSessionNative(
47        //mNativeDicTraverseSession, dictionary, previousWord, previousWordLength);
48    }
49
50    private final long createNativeDicTraverseSession(String locale) {
51        return setDicTraverseSessionNative(locale);
52    }
53
54    private void closeInternal() {
55        if (mNativeDicTraverseSession != 0) {
56            releaseDicTraverseSessionNative(mNativeDicTraverseSession);
57            mNativeDicTraverseSession = 0;
58        }
59    }
60
61    public void close() {
62        closeInternal();
63    }
64
65    @Override
66    protected void finalize() throws Throwable {
67        try {
68            closeInternal();
69        } finally {
70            super.finalize();
71        }
72    }
73}
74