LatinIME/java/src/com/android/inputmethod/latin/DicTraverseSession.java

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/*
* Copyright (C) 2012, 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 com.android.inputmethod.latin.utils.JniUtils;
import java.util.Locale;
public final class DicTraverseSession {
static {
JniUtils.loadNativeLibrary();
}
private static native long setDicTraverseSessionNative(String locale, long dictSize);
private static native void initDicTraverseSessionNative(long nativeDicTraverseSession,
long dictionary, int[] previousWord, int previousWordLength);
private static native void releaseDicTraverseSessionNative(long nativeDicTraverseSession);
private long mNativeDicTraverseSession;
public DicTraverseSession(Locale locale, long dictionary, long dictSize) {
mNativeDicTraverseSession = createNativeDicTraverseSession(
locale != null ? locale.toString() : "", dictSize);
initSession(dictionary);
}
public long getSession() {
return mNativeDicTraverseSession;
}
public void initSession(long dictionary) {
initSession(dictionary, null, 0);
}
public void initSession(long dictionary, int[] previousWord, int previousWordLength) {
initDicTraverseSessionNative(
mNativeDicTraverseSession, dictionary, previousWord, previousWordLength);
}
private final long createNativeDicTraverseSession(String locale, long dictSize) {
return setDicTraverseSessionNative(locale, dictSize);
}
private void closeInternal() {
if (mNativeDicTraverseSession != 0) {
releaseDicTraverseSessionNative(mNativeDicTraverseSession);
mNativeDicTraverseSession = 0;
}
}
public void close() {
closeInternal();
}
@Override
protected void finalize() throws Throwable {
try {
closeInternal();
} finally {
super.finalize();
}
}
}