android-ngn-stack/src/main/java/org/doubango/ngn/services/impl/ms/CMSUtils.java
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 /*
 
74ca6d11
 *  Copyright (C) 2020, University of the Basque Country (UPV/EHU)
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 *
 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * This file is part of MCOP MCPTT Client
 *
 * This is free software: you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * This is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
 package org.doubango.ngn.services.impl.ms;
 
 
 import android.content.Context;
 import android.util.Log;
 
 import org.doubango.ngn.BuildConfig;
 import org.doubango.ngn.datatype.ms.cms.CMSData;
 import org.doubango.ngn.datatype.ms.cms.CMSDatas;
 import org.doubango.ngn.datatype.ms.cms.mcpttServiceConfig.ServiceConfigurationInfoType;
 import org.doubango.ngn.datatype.ms.cms.mcpttUEConfig.McpttUEConfiguration;
 import org.doubango.ngn.datatype.ms.cms.mcpttUEInitConfig.McpttUEInitialConfiguration;
 import org.doubango.ngn.datatype.ms.cms.mcpttUserProfile.McpttUserProfile;
 import org.doubango.utils.Utils;
 import org.simpleframework.xml.Serializer;
 import org.simpleframework.xml.convert.AnnotationStrategy;
 import org.simpleframework.xml.core.Persister;
 import org.simpleframework.xml.strategy.Strategy;
 
 import java.io.ByteArrayInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.Calendar;
 
 
 class CMSUtils {
     private final static String TAG = Utils.getTAG(CMSUtils.class.getCanonicalName());
     private final static String NAME_FILE_MCPTT_UE_INIT_CONFIG="mcpttueinitconf";
 
 
 
     //INIT utils xml
 
 
 
 
         //INIT service-configuration-info
 
     protected static ServiceConfigurationInfoType getMcpttServiceConfigurationInfoType(String string) throws Exception {
         return getMcpttServiceConfigurationInfoType(string.getBytes());
     }
 
     private static ServiceConfigurationInfoType getMcpttServiceConfigurationInfoType(byte[] bytes) throws Exception {
         return getMcpttServiceConfigurationInfoType(new ByteArrayInputStream(bytes));
     }
     private static ServiceConfigurationInfoType getMcpttServiceConfigurationInfoType(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(ServiceConfigurationInfoType.class,stream);
     }
 
 
     private static InputStream getOutputStreamOfMcpttServiceConfigurationInfoType(Context context, ServiceConfigurationInfoType serviceConfigurationInfoType) throws Exception {
         if(serviceConfigurationInfoType==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(serviceConfigurationInfoType,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfMcpttServiceConfigurationInfoType(Context context,ServiceConfigurationInfoType serviceConfigurationInfoType) throws Exception {
         InputStream inputStream=getOutputStreamOfMcpttServiceConfigurationInfoType(context,serviceConfigurationInfoType);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     public   static String  getStringOfMcpttServiceConfigurationInfoType(Context context,ServiceConfigurationInfoType serviceConfigurationInfoType) throws Exception {
         return new String(getBytesOfMcpttServiceConfigurationInfoType(context,serviceConfigurationInfoType)).trim();
     }
 
 
         //END service-configuration-info
         //INIT mcptt-UE-configuration
 
     protected static McpttUEConfiguration getMcpttUEConfiguration(String string) throws Exception {
         return getMcpttUEConfiguration(string.getBytes());
     }
 
     private static McpttUEConfiguration getMcpttUEConfiguration(byte[] bytes) throws Exception {
         return getMcpttUEConfiguration(new ByteArrayInputStream(bytes));
     }
     private static McpttUEConfiguration getMcpttUEConfiguration(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(McpttUEConfiguration.class,stream);
     }
 
 
     private static InputStream getOutputStreamOfMcpttUEConfiguration(Context context, McpttUEConfiguration mcpttUEConfiguration) throws Exception {
         if(mcpttUEConfiguration==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(mcpttUEConfiguration,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfMcpttUEConfiguration(Context context,McpttUEConfiguration mcpttUEConfiguration) throws Exception {
         InputStream inputStream=getOutputStreamOfMcpttUEConfiguration(context,mcpttUEConfiguration);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     public  static String  getStringOfMcpttUEConfiguration(Context context,McpttUEConfiguration mcpttUEConfiguration) throws Exception {
         return new String(getBytesOfMcpttUEConfiguration(context,mcpttUEConfiguration)).trim();
     }
         //END mcptt-UE-configuration
 
 
     //INIT cms-data
 
     protected static CMSDatas getCMSDatas(String string) throws Exception {
         return getCMSDatas(string.trim().getBytes());
     }
 
     private static CMSDatas getCMSDatas(byte[] bytes) throws Exception {
         return getCMSDatas(new ByteArrayInputStream(bytes));
     }
     private static CMSDatas getCMSDatas(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(CMSDatas.class,stream);
     }
 
 
     protected static CMSData getCMSData(String string) throws Exception {
         return getCMSData(string.trim().getBytes());
     }
 
     private static CMSData getCMSData(byte[] bytes) throws Exception {
         return getCMSData(new ByteArrayInputStream(bytes));
     }
     private static CMSData getCMSData(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(CMSData.class,stream);
     }
 
 
     private static InputStream getOutputStreamOfCMSData(Context context, CMSDatas cmsData) throws Exception {
         if(cmsData==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(cmsData,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfCMSData(Context context,CMSDatas cmsData) throws Exception {
         InputStream inputStream=getOutputStreamOfCMSData(context,cmsData);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     protected   static String  getStringOfCMSData(Context context,CMSDatas cmsData) throws Exception {
         return new String(getBytesOfCMSData(context,cmsData)).trim();
     }
 
     private static InputStream getOutputStreamOfCMSData(Context context, CMSData cmsData) throws Exception {
         if(cmsData==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(cmsData,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfCMSData(Context context,CMSData cmsData) throws Exception {
         InputStream inputStream=getOutputStreamOfCMSData(context,cmsData);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     protected   static String  getStringOfCMSData(Context context,CMSData cmsData) throws Exception {
         return new String(getBytesOfCMSData(context,cmsData)).trim();
     }
     //END cms-data
 
 
     protected static Object getMcpttCMSData(String string,RestService.ContentTypeData contentTypeData){
         ArrayList<String> errorString = new ArrayList<>();
         if(string!=null && !string.isEmpty()){
             Object result=null;
             try{
                 switch (contentTypeData) {
                     case CONTENT_TYPE_MCPTT_EU_INIT_CONFIG:
                         result= getMcpttUEInitialConfiguration(string.trim());
                     break;
                     case CONTENT_TYPE_MCPTT_EU_CONFIG:
                         result=getMcpttUEConfiguration(string.trim());
                         break;
                     case CONTENT_TYPE_MCPTT_USER_PROFILE:
                         result=getMcpttUserProfile(string.trim());
                         break;
                     case CONTENT_TYPE_MCPTT_SERVICE_CONFIG:
                         result=getMcpttServiceConfigurationInfoType(string.trim());
                         break;
                     case CONTENT_TYPE_MCPTT_GROUPS:
                     case CONTENT_TYPE_NONE:
                     default:
                         Log.e(TAG,"Error in the content-type received");
                         break;
                 }
             }catch (Exception ex){
                 Log.e(TAG,"Error translating data from CMS:"+ex.getMessage()+(BuildConfig.DEBUG?(" string:"+string):""));
             }
             return result;
         }else if(string!=null){
             Log.e(TAG,"Error parsing data from CMS. Data:"+string);
         }else{
             Log.e(TAG,"Error parsing data from CMS.");
         }
         for (String error:errorString){
             Log.e(TAG,"Error translating data from CMS: " + error);
         }
 
         return null;
     }
 
         //INIT mcptt-UE-initial-configuration
 
     protected static McpttUEInitialConfiguration getMcpttUEInitialConfiguration(Context context) throws Exception {
         if(context==null)return null;
         InputStream inputStream=getFileRaw(context,NAME_FILE_MCPTT_UE_INIT_CONFIG);
         if(inputStream==null)return null;
         return getMcpttUEInitialConfiguration(inputStream);
 
     }
 
     protected static McpttUEInitialConfiguration getMcpttUEInitialConfiguration(String string) throws Exception {
         return getMcpttUEInitialConfiguration(string.getBytes());
     }
 
     private static McpttUEInitialConfiguration getMcpttUEInitialConfiguration(byte[] bytes) throws Exception {
         return getMcpttUEInitialConfiguration(new ByteArrayInputStream(bytes));
     }
     private static McpttUEInitialConfiguration getMcpttUEInitialConfiguration(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(McpttUEInitialConfiguration.class,stream);
     }
 
 
     private static InputStream getOutputStreamOfMcpttUEInitialConfiguration(Context context, McpttUEInitialConfiguration mcpttUEInitialConfiguration) throws Exception {
         if(mcpttUEInitialConfiguration==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(mcpttUEInitialConfiguration,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfMcpttUEInitialConfiguration(Context context,McpttUEInitialConfiguration mcpttUEInitialConfiguration) throws Exception {
         InputStream inputStream=getOutputStreamOfMcpttUEInitialConfiguration(context,mcpttUEInitialConfiguration);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     protected   static String  getStringOfMcpttUEInitialConfiguration(Context context,McpttUEInitialConfiguration mcpttUEInitialConfiguration) throws Exception {
         return new String(getBytesOfMcpttUEInitialConfiguration(context,mcpttUEInitialConfiguration)).trim();
     }
         //END mcptt-UE-initial-configuration
 
 
     //INIT mcptt-user-profile
 
     protected static McpttUserProfile getMcpttUserProfile(String string) throws Exception {
         return getMcpttUserProfile(string.getBytes());
     }
 
     private static McpttUserProfile getMcpttUserProfile(byte[] bytes) throws Exception {
         return getMcpttUserProfile(new ByteArrayInputStream(bytes));
     }
     private static McpttUserProfile getMcpttUserProfile(InputStream stream) throws Exception {
         if(stream==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         return serializer.read(McpttUserProfile.class,stream);
     }
 
 
     private static InputStream getOutputStreamOfMcpttUserProfile(Context context, McpttUserProfile mcpttUserProfile) throws Exception {
         if(mcpttUserProfile==null)return null;
         Strategy strategy = new AnnotationStrategy();
         Serializer serializer = new Persister(strategy);
         File outputDir = context.getCacheDir(); // context being the Activity pointer
         File outputFile = File.createTempFile(String.valueOf(Calendar.getInstance().getTimeInMillis()), "txt", outputDir);
         serializer.write(mcpttUserProfile,outputFile);
         return new FileInputStream(outputFile);
     }
 
     private static byte[] getBytesOfMcpttUserProfile(Context context, McpttUserProfile mcpttUserProfile) throws Exception {
         InputStream inputStream=getOutputStreamOfMcpttUserProfile(context,mcpttUserProfile);
         if(inputStream==null)return null;
         return readBytes(inputStream);
     }
 
     public  static String  getStringOfMcpttUserProfile(Context context, McpttUserProfile mcpttUserProfile) throws Exception {
         return new String(getBytesOfMcpttUserProfile(context,mcpttUserProfile)).trim();
     }
     //END mcptt-user-profile
 
 
 
 
 
     private static byte[] readBytes(InputStream inputStream) throws IOException {
 
         ByteArrayOutputStream byteBuffer = new ByteArrayOutputStream();
 
 
         int bufferSize = 1024;
         byte[] buffer = new byte[bufferSize];
 
 
         int len = 0;
         while ((len = inputStream.read(buffer)) != -1) {
             byteBuffer.write(buffer, 0, len);
         }
 
 
         return byteBuffer.toByteArray();
     }
     //END utils xml
 
     //INIT files RAW
     private static InputStream getFileRaw(Context context,String nameFileWithoutExtension){
         if(context==null || nameFileWithoutExtension==null || nameFileWithoutExtension.isEmpty())return null;
         InputStream ins = context.getResources().openRawResource(
                 context.getResources().getIdentifier(nameFileWithoutExtension,
                         "raw", context.getPackageName()));
         return ins;
     }
     //END files RAW
 
 
 
 }