1 files changed, 98 insertions, 0 deletions
diff --git a/java/src/org/kelar/inputmethod/latin/DicTraverseSession.java b/java/src/org/kelar/inputmethod/latin/DicTraverseSession.java
new file mode 100644
index 000000000..c95020ae4
--- /dev/null
+++ b/java/src/org/kelar/inputmethod/latin/DicTraverseSession.java
@@ -0,0 +1,98 @@
+/*
+ * 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 org.kelar.inputmethod.latin;
+
+import org.kelar.inputmethod.latin.common.NativeSuggestOptions;
+import org.kelar.inputmethod.latin.define.DecoderSpecificConstants;
+import org.kelar.inputmethod.latin.utils.JniUtils;
+
+import java.util.Locale;
+
+public final class DicTraverseSession {
+    static {
+        JniUtils.loadNativeLibrary();
+    }
+    // Must be equal to MAX_RESULTS in native/jni/src/defines.h
+    private static final int MAX_RESULTS = 18;
+    public final int[] mInputCodePoints =
+            new int[DecoderSpecificConstants.DICTIONARY_MAX_WORD_LENGTH];
+    public final int[][] mPrevWordCodePointArrays =
+            new int[DecoderSpecificConstants.MAX_PREV_WORD_COUNT_FOR_N_GRAM][];
+    public final boolean[] mIsBeginningOfSentenceArray =
+            new boolean[DecoderSpecificConstants.MAX_PREV_WORD_COUNT_FOR_N_GRAM];
+    public final int[] mOutputSuggestionCount = new int[1];
+    public final int[] mOutputCodePoints =
+            new int[DecoderSpecificConstants.DICTIONARY_MAX_WORD_LENGTH * MAX_RESULTS];
+    public final int[] mSpaceIndices = new int[MAX_RESULTS];
+    public final int[] mOutputScores = new int[MAX_RESULTS];
+    public final int[] mOutputTypes = new int[MAX_RESULTS];
+    // Only one result is ever used
+    public final int[] mOutputAutoCommitFirstWordConfidence = new int[1];
+    public final float[] mInputOutputWeightOfLangModelVsSpatialModel = new float[1];
+
+    public final NativeSuggestOptions mNativeSuggestOptions = new NativeSuggestOptions();
+
+    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 static 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();
+        }
+    }
+}