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/*
* Copyright (C) 2016 Google Inc.
*
* 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.google.android.mobly.snippet.rpc;
import android.content.ComponentName;
import android.content.Intent;
import android.os.Bundle;
import android.os.ParcelUuid;
import com.google.android.mobly.snippet.manager.SnippetObjectConverterManager;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
/** Builds the result for JSON RPC. */
public class JsonBuilder {
private JsonBuilder() {}
public static Object build(Object data) throws JSONException {
if (data == null) {
return JSONObject.NULL;
}
if (data instanceof Byte) {
return (Byte) data & 0xFF;
}
if (data instanceof Integer) {
return data;
}
if (data instanceof Float) {
return data;
}
if (data instanceof Double) {
return data;
}
if (data instanceof Long) {
return data;
}
if (data instanceof String) {
return data;
}
if (data instanceof Boolean) {
return data;
}
if (data instanceof JsonSerializable) {
return ((JsonSerializable) data).toJSON();
}
if (data instanceof JSONObject) {
return data;
}
if (data instanceof JSONArray) {
return data;
}
if (data instanceof Set<?>) {
List<Object> items = new ArrayList<>((Set<?>) data);
return buildJsonList(items);
}
if (data instanceof Collection<?>) {
List<Object> items = new ArrayList<>((Collection<?>) data);
return buildJsonList(items);
}
if (data instanceof List<?>) {
return buildJsonList((List<?>) data);
}
if (data instanceof Bundle) {
return buildJsonBundle((Bundle) data);
}
if (data instanceof Intent) {
return buildJsonIntent((Intent) data);
}
if (data instanceof Map<?, ?>) {
// TODO(damonkohler): I would like to make this a checked cast if possible.
return buildJsonMap((Map<?, ?>) data);
}
if (data instanceof ParcelUuid) {
return data.toString();
}
if (data.getClass().isArray()) {
return buildJSONArray(data);
}
// Try with custom converter provided by user.
Object result = SnippetObjectConverterManager.getInstance().objectToJson(data);
if (result != null) {
return result;
}
return data.toString();
}
private static JSONArray buildJSONArray(Object data) throws JSONException {
JSONArray result = new JSONArray();
if (data instanceof int[]) {
for (int i : (int []) data) {
result.put(i);
}
} else if (data instanceof short[]) {
for (short s : (short[]) data) {
result.put(s);
}
} else if (data instanceof long[]) {
for (long l : (long[]) data) {
result.put(l);
}
} else if (data instanceof float[]) {
for (float f : (float[]) data) {
result.put(f);
}
} else if (data instanceof double[]) {
for (double d : (double[]) data) {
result.put(d);
}
} else if (data instanceof boolean[]) {
for (boolean b : (boolean[]) data) {
result.put(b);
}
} else if (data instanceof char[]) {
for (char c : (char[]) data) {
result.put(c);
}
} else if (data instanceof byte[]) {
for (byte b : (byte[]) data) {
result.put(b & 0xFF);
}
} else {
for (Object o : (Object[]) data) {
result.put(build(o));
}
}
return result;
}
private static JSONObject buildJsonBundle(Bundle bundle) throws JSONException {
JSONObject result = new JSONObject();
bundle.setClassLoader(JsonBuilder.class.getClassLoader());
for (String key : bundle.keySet()) {
result.put(key, build(bundle.get(key)));
}
return result;
}
private static JSONObject buildJsonIntent(Intent data) throws JSONException {
JSONObject result = new JSONObject();
result.put("data", data.getDataString());
result.put("type", data.getType());
result.put("extras", build(data.getExtras()));
result.put("categories", build(data.getCategories()));
result.put("action", data.getAction());
ComponentName component = data.getComponent();
if (component != null) {
result.put("packagename", component.getPackageName());
result.put("classname", component.getClassName());
}
result.put("flags", data.getFlags());
return result;
}
private static <T> JSONArray buildJsonList(final List<T> list) throws JSONException {
JSONArray result = new JSONArray();
for (T item : list) {
result.put(build(item));
}
return result;
}
private static JSONObject buildJsonMap(Map<?, ?> map) throws JSONException {
JSONObject result = new JSONObject();
for (Entry<?, ?> entry : map.entrySet()) {
Object key = entry.getKey();
String keyStr = key == null ? "" : key.toString();
result.put(keyStr, build(entry.getValue()));
}
return result;
}
}
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