2fa3693c26
The bulk merge from -bayo to klp-dev should not have been merged to master. Change-Id: I527a03a76f5247e4939a672f27c314dc11cbb854
103 lines
3.4 KiB
Java
103 lines
3.4 KiB
Java
/*
|
|
* Copyright (C) 2013 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.latin.utils;
|
|
|
|
import android.util.JsonReader;
|
|
import android.util.JsonWriter;
|
|
import android.util.Log;
|
|
|
|
import java.io.Closeable;
|
|
import java.io.IOException;
|
|
import java.io.StringReader;
|
|
import java.io.StringWriter;
|
|
import java.util.ArrayList;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
|
|
public final class JsonUtils {
|
|
private static final String TAG = JsonUtils.class.getSimpleName();
|
|
|
|
private static final String INTEGER_CLASS_NAME = Integer.class.getSimpleName();
|
|
private static final String STRING_CLASS_NAME = String.class.getSimpleName();
|
|
|
|
private static final String EMPTY_STRING = "";
|
|
|
|
public static List<Object> jsonStrToList(final String s) {
|
|
final ArrayList<Object> list = CollectionUtils.newArrayList();
|
|
final JsonReader reader = new JsonReader(new StringReader(s));
|
|
try {
|
|
reader.beginArray();
|
|
while (reader.hasNext()) {
|
|
reader.beginObject();
|
|
while (reader.hasNext()) {
|
|
final String name = reader.nextName();
|
|
if (name.equals(INTEGER_CLASS_NAME)) {
|
|
list.add(reader.nextInt());
|
|
} else if (name.equals(STRING_CLASS_NAME)) {
|
|
list.add(reader.nextString());
|
|
} else {
|
|
Log.w(TAG, "Invalid name: " + name);
|
|
reader.skipValue();
|
|
}
|
|
}
|
|
reader.endObject();
|
|
}
|
|
reader.endArray();
|
|
return list;
|
|
} catch (final IOException e) {
|
|
} finally {
|
|
close(reader);
|
|
}
|
|
return Collections.<Object>emptyList();
|
|
}
|
|
|
|
public static String listToJsonStr(final List<Object> list) {
|
|
if (list == null || list.isEmpty()) {
|
|
return EMPTY_STRING;
|
|
}
|
|
final StringWriter sw = new StringWriter();
|
|
final JsonWriter writer = new JsonWriter(sw);
|
|
try {
|
|
writer.beginArray();
|
|
for (final Object o : list) {
|
|
writer.beginObject();
|
|
if (o instanceof Integer) {
|
|
writer.name(INTEGER_CLASS_NAME).value((Integer)o);
|
|
} else if (o instanceof String) {
|
|
writer.name(STRING_CLASS_NAME).value((String)o);
|
|
}
|
|
writer.endObject();
|
|
}
|
|
writer.endArray();
|
|
return sw.toString();
|
|
} catch (final IOException e) {
|
|
} finally {
|
|
close(writer);
|
|
}
|
|
return EMPTY_STRING;
|
|
}
|
|
|
|
private static void close(final Closeable closeable) {
|
|
try {
|
|
if (closeable != null) {
|
|
closeable.close();
|
|
}
|
|
} catch (final IOException e) {
|
|
// Ignore
|
|
}
|
|
}
|
|
}
|