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Merge "Fix possible SIOOBE"

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Satoshi Kataoka 2013-03-27 03:28:48 +00:00 committed by Android (Google) Code Review
parent ef103e1f2e 33306acfa4
commit 2cdf5351aa
1 changed files with 9 additions and 2 deletions
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11
java/src/com/android/inputmethod/latin/ExpandableDictionary.java
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@ -18,6 +18,7 @@ package com.android.inputmethod.latin;
import android.content.Context;
import android.text.TextUtils;
import android.util.Log;
import com.android.inputmethod.keyboard.ProximityInfo;
import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
@ -31,6 +32,7 @@ import java.util.LinkedList;
* be searched for suggestions and valid words.
*/
public class ExpandableDictionary extends Dictionary {
private static final String TAG = ExpandableDictionary.class.getSimpleName();
/**
* The weight to give to a word if it's length is the same as the number of typed characters.
*/
@ -551,8 +553,13 @@ public class ExpandableDictionary extends Dictionary {
// word. We do want however to return the correct case for the right hand side.
// So we want to squash the case of the left hand side, and preserve that of the right
// hand side word.
Node firstWord = searchWord(mRoots, word1.toLowerCase(), 0, null);
Node secondWord = searchWord(mRoots, word2, 0, null);
final String word1Lower = word1.toLowerCase();
if (TextUtils.isEmpty(word1Lower) || TextUtils.isEmpty(word2)) {
Log.e(TAG, "Invalid bigram pair: " + word1 + ", " + word1Lower + ", " + word2);
return frequency;
}
final Node firstWord = searchWord(mRoots, word1Lower, 0, null);
final Node secondWord = searchWord(mRoots, word2, 0, null);
LinkedList<NextWord> bigrams = firstWord.mNGrams;
if (bigrams == null || bigrams.size() == 0) {
firstWord.mNGrams = CollectionUtils.newLinkedList();