1 files changed, 103 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..cb331d7f9
--- /dev/null
+++ b/java/src/com/android/inputmethod/research/JsonUtils.java
@@ -0,0 +1,103 @@
+/*
+ * 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.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;
+
+/* 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.getWordInfo(j);
+            jsonWriter.value(wordInfo.toString());
+        }
+        jsonWriter.endArray();
+        jsonWriter.endObject();
+    }
+}