diff options
Diffstat (limited to 'java/src/com/android/inputmethod/research/JsonUtils.java')
| -rw-r--r-- | java/src/com/android/inputmethod/research/JsonUtils.java | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/java/src/com/android/inputmethod/research/JsonUtils.java b/java/src/com/android/inputmethod/research/JsonUtils.java new file mode 100644 index 000000000..24cd8d935 --- /dev/null +++ b/java/src/com/android/inputmethod/research/JsonUtils.java @@ -0,0 +1,157 @@ +/* + * 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.research; + +import android.content.SharedPreferences; +import android.util.JsonWriter; +import android.view.MotionEvent; +import android.view.inputmethod.CompletionInfo; + +import com.android.inputmethod.keyboard.Key; +import com.android.inputmethod.latin.SuggestedWords; +import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo; + +import java.io.IOException; +import java.util.Map; + +/** + * Routines for mapping classes and variables to JSON representations for logging. + */ +/* package */ class JsonUtils { + private JsonUtils() { + // This utility class is not publicly instantiable. + } + + /* package */ static void writeJson(final CompletionInfo[] ci, final JsonWriter jsonWriter) + throws IOException { + jsonWriter.beginArray(); + for (int j = 0; j < ci.length; j++) { + jsonWriter.value(ci[j].toString()); + } + jsonWriter.endArray(); + } + + /* package */ static void writeJson(final SharedPreferences prefs, final JsonWriter jsonWriter) + throws IOException { + jsonWriter.beginObject(); + for (Map.Entry<String,?> entry : prefs.getAll().entrySet()) { + jsonWriter.name(entry.getKey()); + final Object innerValue = entry.getValue(); + if (innerValue == null) { + jsonWriter.nullValue(); + } else if (innerValue instanceof Boolean) { + jsonWriter.value((Boolean) innerValue); + } else if (innerValue instanceof Number) { + jsonWriter.value((Number) innerValue); + } else { + jsonWriter.value(innerValue.toString()); + } + } + jsonWriter.endObject(); + } + + /* package */ static void writeJson(final Key[] keys, final JsonWriter jsonWriter) + throws IOException { + jsonWriter.beginArray(); + for (Key key : keys) { + writeJson(key, jsonWriter); + } + jsonWriter.endArray(); + } + + private static void writeJson(final Key key, final JsonWriter jsonWriter) throws IOException { + jsonWriter.beginObject(); + jsonWriter.name("code").value(key.mCode); + jsonWriter.name("altCode").value(key.getAltCode()); + jsonWriter.name("x").value(key.mX); + jsonWriter.name("y").value(key.mY); + jsonWriter.name("w").value(key.mWidth); + jsonWriter.name("h").value(key.mHeight); + jsonWriter.endObject(); + } + + /* package */ static void writeJson(final SuggestedWords words, final JsonWriter jsonWriter) + throws IOException { + jsonWriter.beginObject(); + jsonWriter.name("typedWordValid").value(words.mTypedWordValid); + jsonWriter.name("willAutoCorrect") + .value(words.mWillAutoCorrect); + jsonWriter.name("isPunctuationSuggestions") + .value(words.mIsPunctuationSuggestions); + jsonWriter.name("isObsoleteSuggestions").value(words.mIsObsoleteSuggestions); + jsonWriter.name("isPrediction").value(words.mIsPrediction); + jsonWriter.name("words"); + jsonWriter.beginArray(); + final int size = words.size(); + for (int j = 0; j < size; j++) { + final SuggestedWordInfo wordInfo = words.getInfo(j); + jsonWriter.value(wordInfo.toString()); + } + jsonWriter.endArray(); + jsonWriter.endObject(); + } + + /* package */ static void writeJson(final MotionEvent me, final JsonWriter jsonWriter) + throws IOException { + jsonWriter.beginObject(); + jsonWriter.name("pointerIds"); + jsonWriter.beginArray(); + final int pointerCount = me.getPointerCount(); + for (int index = 0; index < pointerCount; index++) { + jsonWriter.value(me.getPointerId(index)); + } + jsonWriter.endArray(); + + jsonWriter.name("xyt"); + jsonWriter.beginArray(); + final int historicalSize = me.getHistorySize(); + for (int index = 0; index < historicalSize; index++) { + jsonWriter.beginObject(); + jsonWriter.name("t"); + jsonWriter.value(me.getHistoricalEventTime(index)); + jsonWriter.name("d"); + jsonWriter.beginArray(); + for (int pointerIndex = 0; pointerIndex < pointerCount; pointerIndex++) { + jsonWriter.beginObject(); + jsonWriter.name("x"); + jsonWriter.value(me.getHistoricalX(pointerIndex, index)); + jsonWriter.name("y"); + jsonWriter.value(me.getHistoricalY(pointerIndex, index)); + jsonWriter.endObject(); + } + jsonWriter.endArray(); + jsonWriter.endObject(); + } + jsonWriter.beginObject(); + jsonWriter.name("t"); + jsonWriter.value(me.getEventTime()); + jsonWriter.name("d"); + jsonWriter.beginArray(); + for (int pointerIndex = 0; pointerIndex < pointerCount; pointerIndex++) { + jsonWriter.beginObject(); + jsonWriter.name("x"); + jsonWriter.value(me.getX(pointerIndex)); + jsonWriter.name("y"); + jsonWriter.value(me.getY(pointerIndex)); + jsonWriter.endObject(); + } + jsonWriter.endArray(); + jsonWriter.endObject(); + jsonWriter.endArray(); + jsonWriter.endObject(); + } +} |