1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.example.android.autofillframework 17 18 import android.os.Bundle 19 import com.google.gson.Gson 20 import com.google.gson.GsonBuilder 21 import java.util.Arrays 22 23 object CommonUtil { 24 25 val TAG = "AutofillSample" 26 27 val EXTRA_DATASET_NAME = "dataset_name" 28 val EXTRA_FOR_RESPONSE = "for_response" 29 30 private fun bundleToString(builder: StringBuilder, data: Bundle) { 31 val keySet = data.keySet() 32 builder.append("[Bundle with ").append(keySet.size).append(" keys:") 33 for (key in keySet) { 34 builder.append(' ').append(key).append('=') 35 val value = data.get(key) 36 if (value is Bundle) { 37 bundleToString(builder, value) 38 } else { 39 val string = if (value is Array<*>) Arrays.toString(value) else value 40 builder.append(string) 41 } 42 } 43 builder.append(']') 44 } 45 46 fun bundleToString(data: Bundle?): String { 47 if (data == null) { 48 return "N/A" 49 } 50 val builder = StringBuilder() 51 bundleToString(builder, data) 52 return builder.toString() 53 } 54 55 fun createGson(): Gson { 56 return GsonBuilder().excludeFieldsWithoutExposeAnnotation().setPrettyPrinting().create() 57 } 58 }
