com.facebook.ads.sdk.KeyValue.java Source code

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Here is the source code for com.facebook.ads.sdk.KeyValue.java

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/**
 * 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 KeyValue extends APINode {
    @SerializedName("key")
    private String mKey = null;
    @SerializedName("value")
    private String mValue = null;
    protected static Gson gson = null;

    public KeyValue() {
    }

    public String getId() {
        return null;
    }

    public static KeyValue loadJSON(String json, APIContext context) {
        KeyValue keyValue = getGson().fromJson(json, KeyValue.class);
        if (context.isDebug()) {
            JsonParser parser = new JsonParser();
            JsonElement o1 = parser.parse(json);
            JsonElement o2 = parser.parse(keyValue.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);
            }
            ;
        }
        keyValue.mContext = context;
        keyValue.rawValue = json;
        return keyValue;
    }

    public static APINodeList<KeyValue> parseResponse(String json, APIContext context, APIRequest request) {
        APINodeList<KeyValue> keyValues = new APINodeList<KeyValue>(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++) {
                    keyValues.add(loadJSON(arr.get(i).getAsJsonObject().toString(), context));
                }
                ;
                return keyValues;
            } else if (result.isJsonObject()) {
                obj = result.getAsJsonObject();
                if (obj.has("data")) {
                    try {
                        JsonObject paging = obj.get("paging").getAsJsonObject().get("cursors").getAsJsonObject();
                        keyValues.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++) {
                            keyValues.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();
                        keyValues.add(loadJSON(obj.toString(), context));
                    }
                    return keyValues;
                } 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()) {
                        keyValues.add(loadJSON(entry.getValue().toString(), context));
                    }
                    return keyValues;
                } else {
                    // Fifth, check if it's pure JsonObject
                    keyValues.add(loadJSON(json, context));
                    return keyValues;
                }
            }
        } 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 getFieldKey() {
        return mKey;
    }

    public KeyValue setFieldKey(String value) {
        this.mKey = value;
        return this;
    }

    public String getFieldValue() {
        return mValue;
    }

    public KeyValue setFieldValue(String value) {
        this.mValue = value;
        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 KeyValue copyFrom(KeyValue instance) {
        this.mKey = instance.mKey;
        this.mValue = instance.mValue;
        this.mContext = instance.mContext;
        this.rawValue = instance.rawValue;
        return this;
    }

    public static APIRequest.ResponseParser<KeyValue> getParser() {
        return new APIRequest.ResponseParser<KeyValue>() {
            public APINodeList<KeyValue> parseResponse(String response, APIContext context,
                    APIRequest<KeyValue> request) {
                return KeyValue.parseResponse(response, context, request);
            }
        };
    }
}