third_party/googleservices/java/com/google/gms/googleservices/GenerateGoogleServicesXml.java - tools_android - Git at Google

 /*
  * Copyright (C) 2015 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.
  */

 // Based on:
 // https://android.googlesource.com/platform/tools/base/+/studio-3.0/build-system/google-services/src/main/groovy/com/google/gms/googleservices/GoogleServicesTask.java

 package com.google.gms.googleservices;

 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonParser;
 import com.google.gson.JsonPrimitive;
 import java.io.BufferedWriter;
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 import java.util.Map;
 import java.util.TreeMap;

 /**
  * Creates Android resource XML for Google services (e.g. FCM) from a
  * google-services.json file.
  *
  * Command line:
  * packageName inputJsonFile outputXmlFile
  */
 public class GenerateGoogleServicesXml {

   private static final String STATUS_DISABLED = "1";
   private static final String STATUS_ENABLED = "2";
   private static final int WEB_CLIENT_TYPE = 3;

   public static void main(String[] args) throws Exception {

     if (args.length != 3) {
       System.err.println("3 arguments required:");
       System.err.println("packageName inputJsonFile outputXmlFile");
       System.exit(1);
     }

     String packageName = args[0];
     String inputJsonFile = args[1];
     String outputXmlFile = args[2];

     JsonElement root = new JsonParser().parse(Files.newBufferedReader(Paths.get(inputJsonFile)));

     if (!root.isJsonObject()) {
       throw new Exception("Malformed root json");
     }

     JsonObject rootObject = root.getAsJsonObject();

     Map<String, String> resValues = new TreeMap<>();
     Map<String, Map<String, String>> resAttributes = new TreeMap<>();

     handleProjectInfo(rootObject, resValues);

     JsonObject clientObject = getClientForPackageName(packageName, rootObject);

     if (clientObject != null) {
       handleDefaultWebClientId(clientObject, resValues);
       handleApiKey(clientObject, resValues);
       handleAdsService(clientObject, resValues);
       handleMapsService(clientObject, resValues);
       handleGoogleAppId(clientObject, resValues);
     } else {
       throw new RuntimeException("No matching client found for package name '" + packageName + "'");
     }

     try(BufferedWriter w = Files.newBufferedWriter(Paths.get(outputXmlFile))) {
       w.write(getValuesContent(resValues, resAttributes));
     }
   }

   private static void handleProjectInfo(JsonObject rootObject, Map<String, String> resValues)
       throws IOException {
     JsonObject projectInfo = rootObject.getAsJsonObject("project_info");
     if (projectInfo == null) {
       throw new RuntimeException("Missing project_info object");
     }

     JsonPrimitive projectNumber = projectInfo.getAsJsonPrimitive("project_number");
     if (projectNumber == null) {
       throw new RuntimeException("Missing project_info/project_number object");
     }

     resValues.put("gcm_defaultSenderId", projectNumber.getAsString());

     addProjectInfo(projectInfo, resValues, "project_id", "project_id");
     addProjectInfo(projectInfo, resValues, "firebase_url", "firebase_database_url");
     addProjectInfo(projectInfo, resValues, "storage_bucket", "google_storage_bucket");
   }

   private static void addProjectInfo(
       JsonObject projectInfo, Map<String, String> resValues, String sourceName, String destName)
   {
     if (projectInfo.has(sourceName)) {
       resValues.put(destName, projectInfo.getAsJsonPrimitive(sourceName).getAsString());
     }
   }

   private static void handleDefaultWebClientId(JsonObject clientObject,
       Map<String, String> resValues) {
     for (JsonElement oauthClientElement : clientObject.getAsJsonArray("oauth_client")) {
       JsonObject oauthClient = oauthClientElement.getAsJsonObject();
       int clientType = oauthClient.getAsJsonPrimitive("client_type").getAsInt();
       if (clientType == WEB_CLIENT_TYPE) {
         String clientId = oauthClient.getAsJsonPrimitive("client_id").getAsString();
         resValues.put("default_web_client_id", clientId);
         return;
       }
     }
   }

   private static void handleApiKey(JsonObject clientObject, Map<String, String> resValues) {
     if (clientObject.has("api_key")) {
       JsonArray apiKeys = clientObject.getAsJsonArray("api_key");
       JsonObject firstApiKey = apiKeys.get(0).getAsJsonObject();
       String currentKey = firstApiKey.getAsJsonPrimitive("current_key").getAsString();
       resValues.put("google_api_key", currentKey);
       resValues.put("google_crash_reporting_api_key", currentKey);
     }
   }

   /**
    * Handle a client object for analytics (@xml/global_tracker)
    * @param clientObject the client Json object.
    * @throws IOException
    */
   private static void handleAdsService(JsonObject clientObject, Map<String, String> resValues)
       throws IOException {
     JsonObject adsService = getServiceByName(clientObject, "ads_service");
     if (adsService == null) return;

     findStringByName(adsService, "test_banner_ad_unit_id", resValues);
     findStringByName(adsService, "test_interstitial_ad_unit_id", resValues);
   }

   private static void findStringByName(JsonObject jsonObject, String stringName,
       Map<String, String> resValues) {
     JsonPrimitive id = jsonObject.getAsJsonPrimitive(stringName);
     if (id != null) {
       resValues.put(stringName, id.getAsString());
     }
   }

   /**
    * Handle a client object for maps (@string/google_maps_key).
    * @param clientObject the client Json object.
    * @throws IOException
    */
   private static void handleMapsService(JsonObject clientObject, Map<String, String> resValues)
       throws IOException {
     JsonObject mapsService = getServiceByName(clientObject, "maps_service");
     if (mapsService == null) return;

     JsonArray array = clientObject.getAsJsonArray("api_key");
     if (array != null) {
       final int count = array.size();
       for (int i = 0 ; i < count ; i++) {
         JsonElement apiKeyElement = array.get(i);
         if (apiKeyElement == null || !apiKeyElement.isJsonObject()) {
           continue;
         }
         JsonObject apiKeyObject = apiKeyElement.getAsJsonObject();
         JsonPrimitive currentKey = apiKeyObject.getAsJsonPrimitive("current_key");
         if (currentKey == null) {
           continue;
         }
         resValues.put("google_maps_key", currentKey.getAsString());
         return;
       }
     }
     throw new RuntimeException("Missing api_key/current_key object");
   }

   /**
    * Handle a client object for Google App Id.
    */
   private static void handleGoogleAppId(JsonObject clientObject, Map<String, String> resValues)
       throws IOException {
     JsonObject clientInfo = clientObject.getAsJsonObject("client_info");
     if (clientInfo == null) {
       // Should not happen
       throw new RuntimeException("Client does not have client info");
     }

     JsonPrimitive googleAppId = clientInfo.getAsJsonPrimitive("mobilesdk_app_id");
     if (googleAppId == null) return;

     String googleAppIdStr = googleAppId.getAsString();
     if (googleAppIdStr == null || googleAppIdStr.isEmpty()) return;

     resValues.put("google_app_id", googleAppIdStr);
   }

   /**
    * find an item in the "client" array that match the package name of the app
    * @param jsonObject the root json object.
    * @return a JsonObject representing the client entry or null if no match is found.
    */
   private static JsonObject getClientForPackageName(String packageName, JsonObject jsonObject) {
     JsonArray array = jsonObject.getAsJsonArray("client");
     if (array != null) {
       final int count = array.size();
       for (int i = 0 ; i < count ; i++) {
         JsonElement clientElement = array.get(i);
         if (clientElement == null || !clientElement.isJsonObject()) {
           continue;
         }

         JsonObject clientObject = clientElement.getAsJsonObject();

         JsonObject clientInfo = clientObject.getAsJsonObject("client_info");
         if (clientInfo == null) continue;

         JsonObject androidClientInfo = clientInfo.getAsJsonObject("android_client_info");
         if (androidClientInfo == null) continue;

         JsonPrimitive clientPackageName = androidClientInfo.getAsJsonPrimitive("package_name");
         if (clientPackageName == null) continue;

         if (packageName.equals(clientPackageName.getAsString())) {
           return clientObject;
         }
       }
     }

     return null;
   }

   /**
    * Finds a service by name in the client object. Returns null if the service is not found
    * or if the service is disabled.
    *
    * @param clientObject the json object that represents the client.
    * @param serviceName the service name
    * @return the service if found.
    */
   private static JsonObject getServiceByName(JsonObject clientObject, String serviceName) {
     JsonObject services = clientObject.getAsJsonObject("services");
     if (services == null) return null;

     JsonObject service = services.getAsJsonObject(serviceName);
     if (service == null) return null;

     JsonPrimitive status = service.getAsJsonPrimitive("status");
     if (status == null) return null;

     String statusStr = status.getAsString();

     if (STATUS_DISABLED.equals(statusStr)) return null;
     if (!STATUS_ENABLED.equals(statusStr)) {
       System.err.println(String.format("Status with value '%1$s' for service '%2$s' is unknown",
           statusStr,
           serviceName));
       return null;
     }

     return service;
   }

   private static String getValuesContent(Map<String, String> values,
       Map<String, Map<String, String>> attributes) {
     StringBuilder sb = new StringBuilder(256);

     sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
         "<resources>\n");

     for (Map.Entry<String, String> entry : values.entrySet()) {
       String name = entry.getKey();
       sb.append("    <string name=\"").append(name).append("\" translatable=\"false\"");
       if (attributes.containsKey(name)) {
         for (Map.Entry<String, String> attr : attributes.get(name).entrySet()) {
           sb.append(" ").append(attr.getKey()).append("=\"")
               .append(attr.getValue()).append("\"");
         }
       }
       sb.append(">").append(entry.getValue()).append("</string>\n");
     }

     sb.append("</resources>\n");

     return sb.toString();
   }
 }
	/*
	* Copyright (C) 2015 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.
	*/

	// Based on:
	// https://android.googlesource.com/platform/tools/base/+/studio-3.0/build-system/google-services/src/main/groovy/com/google/gms/googleservices/GoogleServicesTask.java

	package com.google.gms.googleservices;

	import com.google.gson.JsonArray;
	import com.google.gson.JsonElement;
	import com.google.gson.JsonObject;
	import com.google.gson.JsonParser;
	import com.google.gson.JsonPrimitive;
	import java.io.BufferedWriter;
	import java.io.File;
	import java.io.IOException;
	import java.nio.file.Files;
	import java.nio.file.Paths;
	import java.util.Map;
	import java.util.TreeMap;

	/**
	* Creates Android resource XML for Google services (e.g. FCM) from a
	* google-services.json file.
	*
	* Command line:
	* packageName inputJsonFile outputXmlFile
	*/
	public class GenerateGoogleServicesXml {

	private static final String STATUS_DISABLED = "1";
	private static final String STATUS_ENABLED = "2";
	private static final int WEB_CLIENT_TYPE = 3;

	public static void main(String[] args) throws Exception {

	if (args.length != 3) {
	System.err.println("3 arguments required:");
	System.err.println("packageName inputJsonFile outputXmlFile");
	System.exit(1);
	}

	String packageName = args[0];
	String inputJsonFile = args[1];
	String outputXmlFile = args[2];

	JsonElement root = new JsonParser().parse(Files.newBufferedReader(Paths.get(inputJsonFile)));

	if (!root.isJsonObject()) {
	throw new Exception("Malformed root json");
	}

	JsonObject rootObject = root.getAsJsonObject();

	Map<String, String> resValues = new TreeMap<>();
	Map<String, Map<String, String>> resAttributes = new TreeMap<>();

	handleProjectInfo(rootObject, resValues);

	JsonObject clientObject = getClientForPackageName(packageName, rootObject);

	if (clientObject != null) {
	handleDefaultWebClientId(clientObject, resValues);
	handleApiKey(clientObject, resValues);
	handleAdsService(clientObject, resValues);
	handleMapsService(clientObject, resValues);
	handleGoogleAppId(clientObject, resValues);
	} else {
	throw new RuntimeException("No matching client found for package name '" + packageName + "'");
	}

	try(BufferedWriter w = Files.newBufferedWriter(Paths.get(outputXmlFile))) {
	w.write(getValuesContent(resValues, resAttributes));
	}
	}

	private static void handleProjectInfo(JsonObject rootObject, Map<String, String> resValues)
	throws IOException {
	JsonObject projectInfo = rootObject.getAsJsonObject("project_info");
	if (projectInfo == null) {
	throw new RuntimeException("Missing project_info object");
	}

	JsonPrimitive projectNumber = projectInfo.getAsJsonPrimitive("project_number");
	if (projectNumber == null) {
	throw new RuntimeException("Missing project_info/project_number object");
	}

	resValues.put("gcm_defaultSenderId", projectNumber.getAsString());

	addProjectInfo(projectInfo, resValues, "project_id", "project_id");
	addProjectInfo(projectInfo, resValues, "firebase_url", "firebase_database_url");
	addProjectInfo(projectInfo, resValues, "storage_bucket", "google_storage_bucket");
	}

	private static void addProjectInfo(
	JsonObject projectInfo, Map<String, String> resValues, String sourceName, String destName)
	{
	if (projectInfo.has(sourceName)) {
	resValues.put(destName, projectInfo.getAsJsonPrimitive(sourceName).getAsString());
	}
	}

	private static void handleDefaultWebClientId(JsonObject clientObject,
	Map<String, String> resValues) {
	for (JsonElement oauthClientElement : clientObject.getAsJsonArray("oauth_client")) {
	JsonObject oauthClient = oauthClientElement.getAsJsonObject();
	int clientType = oauthClient.getAsJsonPrimitive("client_type").getAsInt();
	if (clientType == WEB_CLIENT_TYPE) {
	String clientId = oauthClient.getAsJsonPrimitive("client_id").getAsString();
	resValues.put("default_web_client_id", clientId);
	return;
	}
	}
	}

	private static void handleApiKey(JsonObject clientObject, Map<String, String> resValues) {
	if (clientObject.has("api_key")) {
	JsonArray apiKeys = clientObject.getAsJsonArray("api_key");
	JsonObject firstApiKey = apiKeys.get(0).getAsJsonObject();
	String currentKey = firstApiKey.getAsJsonPrimitive("current_key").getAsString();
	resValues.put("google_api_key", currentKey);
	resValues.put("google_crash_reporting_api_key", currentKey);
	}
	}

	/**
	* Handle a client object for analytics (@xml/global_tracker)
	* @param clientObject the client Json object.
	* @throws IOException
	*/
	private static void handleAdsService(JsonObject clientObject, Map<String, String> resValues)
	throws IOException {
	JsonObject adsService = getServiceByName(clientObject, "ads_service");
	if (adsService == null) return;

	findStringByName(adsService, "test_banner_ad_unit_id", resValues);
	findStringByName(adsService, "test_interstitial_ad_unit_id", resValues);
	}

	private static void findStringByName(JsonObject jsonObject, String stringName,
	Map<String, String> resValues) {
	JsonPrimitive id = jsonObject.getAsJsonPrimitive(stringName);
	if (id != null) {
	resValues.put(stringName, id.getAsString());
	}
	}

	/**
	* Handle a client object for maps (@string/google_maps_key).
	* @param clientObject the client Json object.
	* @throws IOException
	*/
	private static void handleMapsService(JsonObject clientObject, Map<String, String> resValues)
	throws IOException {
	JsonObject mapsService = getServiceByName(clientObject, "maps_service");
	if (mapsService == null) return;

	JsonArray array = clientObject.getAsJsonArray("api_key");
	if (array != null) {
	final int count = array.size();
	for (int i = 0 ; i < count ; i++) {
	JsonElement apiKeyElement = array.get(i);
	if (apiKeyElement == null \|\| !apiKeyElement.isJsonObject()) {
	continue;
	}
	JsonObject apiKeyObject = apiKeyElement.getAsJsonObject();
	JsonPrimitive currentKey = apiKeyObject.getAsJsonPrimitive("current_key");
	if (currentKey == null) {
	continue;
	}
	resValues.put("google_maps_key", currentKey.getAsString());
	return;
	}
	}
	throw new RuntimeException("Missing api_key/current_key object");
	}

	/**
	* Handle a client object for Google App Id.
	*/
	private static void handleGoogleAppId(JsonObject clientObject, Map<String, String> resValues)
	throws IOException {
	JsonObject clientInfo = clientObject.getAsJsonObject("client_info");
	if (clientInfo == null) {
	// Should not happen
	throw new RuntimeException("Client does not have client info");
	}

	JsonPrimitive googleAppId = clientInfo.getAsJsonPrimitive("mobilesdk_app_id");
	if (googleAppId == null) return;

	String googleAppIdStr = googleAppId.getAsString();
	if (googleAppIdStr == null \|\| googleAppIdStr.isEmpty()) return;

	resValues.put("google_app_id", googleAppIdStr);
	}

	/**
	* find an item in the "client" array that match the package name of the app
	* @param jsonObject the root json object.
	* @return a JsonObject representing the client entry or null if no match is found.
	*/
	private static JsonObject getClientForPackageName(String packageName, JsonObject jsonObject) {
	JsonArray array = jsonObject.getAsJsonArray("client");
	if (array != null) {
	final int count = array.size();
	for (int i = 0 ; i < count ; i++) {
	JsonElement clientElement = array.get(i);
	if (clientElement == null \|\| !clientElement.isJsonObject()) {
	continue;
	}

	JsonObject clientObject = clientElement.getAsJsonObject();

	JsonObject clientInfo = clientObject.getAsJsonObject("client_info");
	if (clientInfo == null) continue;

	JsonObject androidClientInfo = clientInfo.getAsJsonObject("android_client_info");
	if (androidClientInfo == null) continue;

	JsonPrimitive clientPackageName = androidClientInfo.getAsJsonPrimitive("package_name");
	if (clientPackageName == null) continue;

	if (packageName.equals(clientPackageName.getAsString())) {
	return clientObject;
	}
	}
	}

	return null;
	}

	/**
	* Finds a service by name in the client object. Returns null if the service is not found
	* or if the service is disabled.
	*
	* @param clientObject the json object that represents the client.
	* @param serviceName the service name
	* @return the service if found.
	*/
	private static JsonObject getServiceByName(JsonObject clientObject, String serviceName) {
	JsonObject services = clientObject.getAsJsonObject("services");
	if (services == null) return null;

	JsonObject service = services.getAsJsonObject(serviceName);
	if (service == null) return null;

	JsonPrimitive status = service.getAsJsonPrimitive("status");
	if (status == null) return null;

	String statusStr = status.getAsString();

	if (STATUS_DISABLED.equals(statusStr)) return null;
	if (!STATUS_ENABLED.equals(statusStr)) {
	System.err.println(String.format("Status with value '%1$s' for service '%2$s' is unknown",
	statusStr,
	serviceName));
	return null;
	}

	return service;
	}

	private static String getValuesContent(Map<String, String> values,
	Map<String, Map<String, String>> attributes) {
	StringBuilder sb = new StringBuilder(256);

	sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n" +
	"<resources>\n");

	for (Map.Entry<String, String> entry : values.entrySet()) {
	String name = entry.getKey();
	sb.append(" <string name=\"").append(name).append("\" translatable=\"false\"");
	if (attributes.containsKey(name)) {
	for (Map.Entry<String, String> attr : attributes.get(name).entrySet()) {
	sb.append(" ").append(attr.getKey()).append("=\"")
	.append(attr.getValue()).append("\"");
	}
	}
	sb.append(">").append(entry.getValue()).append("</string>\n");
	}

	sb.append("</resources>\n");

	return sb.toString();
	}
	}