Remove ArraysCompatUtils

bug: 6129704
Change-Id: I0f1a0dee744e6dcdea7ae8606119b4af22b86663
main
Ken Wakasa 2012-03-30 22:47:44 +09:00
parent cba3887b2f
commit 672635493e
2 changed files with 1 additions and 63 deletions

View File

@ -1,61 +0,0 @@
/*
* Copyright (C) 2011 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.compat;
import android.util.Log;
import java.lang.reflect.Method;
import java.util.Arrays;
public class ArraysCompatUtils {
private static final String TAG = ArraysCompatUtils.class.getSimpleName();
private static final Method METHOD_Arrays_binarySearch = CompatUtils
.getMethod(Arrays.class, "binarySearch", int[].class, int.class, int.class, int.class);
public static int binarySearch(int[] array, int startIndex, int endIndex, int value) {
if (METHOD_Arrays_binarySearch != null) {
final Object index = CompatUtils.invoke(null, 0, METHOD_Arrays_binarySearch,
array, startIndex, endIndex, value);
return (Integer)index;
} else {
return compatBinarySearch(array, startIndex, endIndex, value);
}
}
// TODO: Implement fast binary search
/* package for testing */
static int compatBinarySearch(int[] array, int startIndex, int endIndex, int value) {
// Output error log because this method has strict performance penalty.
// Note that this method has been called only from spell checker and spell checker exists
// only from IceCreamSandwich and after, so that there is no chance on pre-ICS device to
// invoke this method.
Log.e(TAG, "Invoked expensive binarySearch");
if (startIndex > endIndex) throw new IllegalArgumentException();
if (startIndex < 0 || endIndex > array.length) throw new ArrayIndexOutOfBoundsException();
final int work[] = new int[endIndex - startIndex];
System.arraycopy(array, startIndex, work, 0, work.length);
final int index = Arrays.binarySearch(work, value);
if (index >= 0) {
return index + startIndex;
} else {
return ~(~index + startIndex);
}
}
}

View File

@ -26,7 +26,6 @@ import android.util.Log;
import android.view.textservice.SuggestionsInfo; import android.view.textservice.SuggestionsInfo;
import android.view.textservice.TextInfo; import android.view.textservice.TextInfo;
import com.android.inputmethod.compat.ArraysCompatUtils;
import com.android.inputmethod.compat.SuggestionsInfoCompatUtils; import com.android.inputmethod.compat.SuggestionsInfoCompatUtils;
import com.android.inputmethod.keyboard.ProximityInfo; import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.BinaryDictionary; import com.android.inputmethod.latin.BinaryDictionary;
@ -237,7 +236,7 @@ public class AndroidSpellCheckerService extends SpellCheckerService
@Override @Override
synchronized public boolean addWord(char[] word, int wordOffset, int wordLength, int score, synchronized public boolean addWord(char[] word, int wordOffset, int wordLength, int score,
int dicTypeId, int dataType) { int dicTypeId, int dataType) {
final int positionIndex = ArraysCompatUtils.binarySearch(mScores, 0, mLength, score); final int positionIndex = Arrays.binarySearch(mScores, 0, mLength, score);
// binarySearch returns the index if the element exists, and -<insertion index> - 1 // binarySearch returns the index if the element exists, and -<insertion index> - 1
// if it doesn't. See documentation for binarySearch. // if it doesn't. See documentation for binarySearch.
final int insertIndex = positionIndex >= 0 ? positionIndex : -positionIndex - 1; final int insertIndex = positionIndex >= 0 ? positionIndex : -positionIndex - 1;