Java tutorial
/** * Copyright (c) 2015-present, Facebook, Inc. All rights reserved. * * You are hereby granted a non-exclusive, worldwide, royalty-free license to * use, copy, modify, and distribute this software in source code or binary * form for use in connection with the web services and APIs provided by * Facebook. * * As with any software that integrates with the Facebook platform, your use * of this software is subject to the Facebook Developer Principles and * Policies [http://developers.facebook.com/policy/]. This copyright notice * shall be included in all copies or substantial portions of the software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ package com.facebook.ads.sdk; import java.io.File; import java.lang.reflect.Field; import java.lang.reflect.Modifier; import java.lang.reflect.Type; import java.lang.IllegalArgumentException; import java.util.Arrays; import java.util.ArrayList; import java.util.Iterator; import java.util.HashMap; import java.util.List; import java.util.Map; import com.google.gson.JsonObject; import com.google.gson.JsonArray; import com.google.gson.JsonParseException; import com.google.gson.annotations.SerializedName; import com.google.gson.reflect.TypeToken; import com.google.gson.FieldNamingStrategy; import com.google.gson.Gson; import com.google.gson.GsonBuilder; import com.google.gson.JsonElement; import com.google.gson.JsonParser; public class ConnectionObjectOpenGraphObject extends APINode { @SerializedName("name") private String mName = null; @SerializedName("display_name") private String mDisplayName = null; @SerializedName("properties") private List<ConnectionObjectOpenGraphObjectProperty> mProperties = null; protected static Gson gson = null; public ConnectionObjectOpenGraphObject() { } public String getId() { return null; } public static ConnectionObjectOpenGraphObject loadJSON(String json, APIContext context) { ConnectionObjectOpenGraphObject connectionObjectOpenGraphObject = getGson().fromJson(json, ConnectionObjectOpenGraphObject.class); if (context.isDebug()) { JsonParser parser = new JsonParser(); JsonElement o1 = parser.parse(json); JsonElement o2 = parser.parse(connectionObjectOpenGraphObject.toString()); if (o1.getAsJsonObject().get("__fb_trace_id__") != null) { o2.getAsJsonObject().add("__fb_trace_id__", o1.getAsJsonObject().get("__fb_trace_id__")); } if (!o1.equals(o2)) { context.log("[Warning] When parsing response, object is not consistent with JSON:"); context.log("[JSON]" + o1); context.log("[Object]" + o2); } ; } connectionObjectOpenGraphObject.mContext = context; connectionObjectOpenGraphObject.rawValue = json; return connectionObjectOpenGraphObject; } public static APINodeList<ConnectionObjectOpenGraphObject> parseResponse(String json, APIContext context, APIRequest request) { APINodeList<ConnectionObjectOpenGraphObject> connectionObjectOpenGraphObjects = new APINodeList<ConnectionObjectOpenGraphObject>( request, json); JsonArray arr; JsonObject obj; JsonParser parser = new JsonParser(); try { JsonElement result = parser.parse(json); if (result.isJsonArray()) { // First, check if it's a pure JSON Array arr = result.getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { connectionObjectOpenGraphObjects .add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; return connectionObjectOpenGraphObjects; } else if (result.isJsonObject()) { obj = result.getAsJsonObject(); if (obj.has("data")) { try { JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject(); connectionObjectOpenGraphObjects.setPaging(paging.get("before").getAsString(), paging.get("after").getAsString()); } catch (Exception ignored) { } if (obj.get("data").isJsonArray()) { // Second, check if it's a JSON array with "data" arr = obj.get("data").getAsJsonArray(); for (int i = 0; i < arr.size(); i++) { connectionObjectOpenGraphObjects .add(loadJSON(arr.get(i).getAsJsonObject().toString(), context)); } ; } else if (obj.get("data").isJsonObject()) { // Third, check if it's a JSON object with "data" obj = obj.get("data").getAsJsonObject(); connectionObjectOpenGraphObjects.add(loadJSON(obj.toString(), context)); } return connectionObjectOpenGraphObjects; } else if (obj.has("images")) { // Fourth, check if it's a map of image objects obj = obj.get("images").getAsJsonObject(); for (Map.Entry<String, JsonElement> entry : obj.entrySet()) { connectionObjectOpenGraphObjects.add(loadJSON(entry.getValue().toString(), context)); } return connectionObjectOpenGraphObjects; } else { // Fifth, check if it's pure JsonObject connectionObjectOpenGraphObjects.add(loadJSON(json, context)); return connectionObjectOpenGraphObjects; } } } catch (Exception e) { } return null; } @Override public APIContext getContext() { return mContext; } @Override public void setContext(APIContext context) { mContext = context; } @Override public String toString() { return getGson().toJson(this); } public String getFieldName() { return mName; } public ConnectionObjectOpenGraphObject setFieldName(String value) { this.mName = value; return this; } public String getFieldDisplayName() { return mDisplayName; } public ConnectionObjectOpenGraphObject setFieldDisplayName(String value) { this.mDisplayName = value; return this; } public List<ConnectionObjectOpenGraphObjectProperty> getFieldProperties() { return mProperties; } public ConnectionObjectOpenGraphObject setFieldProperties(List<ConnectionObjectOpenGraphObjectProperty> value) { this.mProperties = value; return this; } public ConnectionObjectOpenGraphObject setFieldProperties(String value) { Type type = new TypeToken<List<ConnectionObjectOpenGraphObjectProperty>>() { }.getType(); this.mProperties = ConnectionObjectOpenGraphObjectProperty.getGson().fromJson(value, type); return this; } synchronized /*package*/ static Gson getGson() { if (gson != null) { return gson; } else { gson = new GsonBuilder().excludeFieldsWithModifiers(Modifier.STATIC) .excludeFieldsWithModifiers(Modifier.PROTECTED).disableHtmlEscaping().create(); } return gson; } public ConnectionObjectOpenGraphObject copyFrom(ConnectionObjectOpenGraphObject instance) { this.mName = instance.mName; this.mDisplayName = instance.mDisplayName; this.mProperties = instance.mProperties; this.mContext = instance.mContext; this.rawValue = instance.rawValue; return this; } public static APIRequest.ResponseParser<ConnectionObjectOpenGraphObject> getParser() { return new APIRequest.ResponseParser<ConnectionObjectOpenGraphObject>() { public APINodeList<ConnectionObjectOpenGraphObject> parseResponse(String response, APIContext context, APIRequest<ConnectionObjectOpenGraphObject> request) { return ConnectionObjectOpenGraphObject.parseResponse(response, context, request); } }; } }