ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/service/ImportService.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP-PAP-REST
   4  * ================================================================================
   5  * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.policy.pap.xacml.rest.service;
  21
  22 import java.io.BufferedWriter;
  23 import java.io.File;
  24 import java.io.FileOutputStream;
  25 import java.io.IOException;
  26 import java.io.InputStream;
  27 import java.io.OutputStreamWriter;
  28 import java.io.Writer;
  29 import java.util.HashMap;
  30 import java.util.Map;
  31 import java.util.UUID;
  32
  33 import javax.servlet.http.HttpServletRequest;
  34 import javax.servlet.http.HttpServletResponse;
  35
  36 import org.onap.policy.common.logging.eelf.PolicyLogger;
  37 import org.onap.policy.pap.xacml.rest.components.CreateBRMSRuleTemplate;
  38 import org.onap.policy.pap.xacml.rest.components.CreateNewMicroServiceModel;
  39
  40 public class ImportService {
  41
  42         public void doImportMicroServicePut(HttpServletRequest request, HttpServletResponse response) {
  43                 String importServiceCreation = request.getParameter("importService");;
  44                 String fileName = request.getParameter("fileName");
  45                 String version = request.getParameter("version");
  46                 String serviceName = request.getParameter("serviceName");
  47                 String description = request.getParameter("description");
  48                 Map<String, String> successMap = new HashMap<>();
  49                 switch(importServiceCreation){
  50                 case "BRMSPARAM":
  51                         StringBuilder builder = new StringBuilder();
  52                         int ch;
  53                         try {
  54                                 while((ch = request.getInputStream().read()) != -1){
  55                                     builder.append((char)ch);
  56                                 }
  57                         } catch (IOException e) {
  58                                 PolicyLogger.error("Error in reading in file from API call");
  59                                 response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
  60                                 response.addHeader("error", "missing");
  61                                 response.addHeader("operation", "import");
  62                                 response.addHeader("service", serviceName);
  63                         }
  64                         CreateBRMSRuleTemplate brmsRuleTemplate = new CreateBRMSRuleTemplate();
  65                         successMap = brmsRuleTemplate.addRule(builder.toString(), serviceName, description, "API");
  66                         break;
  67                 case "MICROSERVICE":
  68                         CreateNewMicroServiceModel newMS = null;
  69                         String randomID = UUID.randomUUID().toString();
  70                         if ( fileName != null) {
  71                                 File extracDir = new File("ExtractDir");
  72                                 if (!extracDir.exists()){
  73                                         extracDir.mkdirs();
  74                                 }
  75                                 if (fileName.contains(".xmi")){
  76                                         // get the request content into a String
  77                                         String xmi = null;
  78                                         java.util.Scanner scanner;
  79                                         try {
  80                                                 scanner = new java.util.Scanner(request.getInputStream());
  81                                                 scanner.useDelimiter("\\A");
  82                                                 xmi =  scanner.hasNext() ? scanner.next() : "";
  83                                                 scanner.close();
  84                                         } catch (IOException e1) {
  85                                                 PolicyLogger.error("Error in reading in file from API call");
  86                                                 return;
  87                                         }
  88                                         PolicyLogger.info("XML request from API for import new Service");
  89                                         try (Writer writer = new BufferedWriter(new OutputStreamWriter(
  90                                                         new FileOutputStream("ExtractDir" + File.separator + randomID+".xmi"), "utf-8"))) {
  91                                                 writer.write(xmi);
  92                                         } catch (IOException e) {
  93                                                 PolicyLogger.error("Error in reading in file from API call");
  94                                                 return;
  95                                         }
  96                                 }else{
  97                                         InputStream inputStream = null;
  98                                         try(FileOutputStream outputStream = new FileOutputStream("ExtractDir" + File.separator + randomID+".zip")) {
  99                                                 inputStream = request.getInputStream();
 100                                                 byte[] buffer = new byte[4096];
 101                                                 int bytesRead = -1 ;
 102                                                 while ((bytesRead = inputStream.read(buffer)) != -1) {
 103                                                         outputStream.write(buffer, 0, bytesRead) ;
 104                                                 }
 105                                         } catch (IOException e) {
 106                                                 PolicyLogger.error("Error in reading in Zip File from API call"+e);
 107                                                 return;
 108                                         }finally{
 109                                                 try {
 110                                                         if(inputStream != null){
 111                                                                 inputStream.close();
 112                                                         }
 113                                                 } catch (IOException e) {
 114                                                         PolicyLogger.error("Exception Occured while closing the input/output stream"+e);
 115                                                 }
 116                                         }
 117                                 }
 118                                 newMS =  new CreateNewMicroServiceModel(fileName, serviceName, "API", version, randomID);
 119                                 successMap = newMS.addValuesToNewModel();
 120                                 if (successMap.containsKey("success")) {
 121                                         successMap.clear();
 122                                         successMap = newMS.saveImportService();
 123                                 }
 124                         }
 125                         break;
 126                 }
 127                 // return a response to the PAP
 128                 if (successMap.containsKey("success")) {
 129                         response.setStatus(HttpServletResponse.SC_OK);
 130                         response.addHeader("successMapKey", "success");
 131                         response.addHeader("operation", "import");
 132                         response.addHeader("service", serviceName);
 133                 } else if (successMap.containsKey("DBError")) {
 134                         if (successMap.get("DBError").contains("EXISTS")){
 135                                 response.setStatus(HttpServletResponse.SC_CONFLICT);
 136                                 response.addHeader("service", serviceName);
 137                                 response.addHeader("error", "modelExistsDB");
 138                         }else{
 139                                 response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 140                                 response.addHeader("error", "importDB");
 141                         }
 142                         response.addHeader("operation", "import");
 143                         response.addHeader("service", serviceName);
 144                 }else if (successMap.get("error").contains("MISSING")){
 145                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 146                         response.addHeader("error", "missing");
 147                         response.addHeader("operation", "import");
 148                         response.addHeader("service", serviceName);
 149                 }else if (successMap.get("error").contains("VALIDATION")){
 150                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 151                         response.addHeader("error", "validation");
 152                         response.addHeader("operation", "import");
 153                         response.addHeader("service", serviceName);
 154                 }
 155         }
 156
 157 }