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.common.logging.flexlogger.FlexLogger;
  38 import org.onap.policy.common.logging.flexlogger.Logger;
  39 import org.onap.policy.pap.xacml.rest.components.CreateBRMSRuleTemplate;
  40 import org.onap.policy.pap.xacml.rest.components.CreateNewMicroServiceModel;
  41
  42 public class ImportService {
  43         private static final Logger logger = FlexLogger.getLogger(ImportService.class);
  44         private static String errorMessage = "Error in reading in file from API call";
  45         private static String errorMsg  = "error";
  46         private static String operation = "operation";
  47         private static String importHeader = "import";
  48         private static String service = "service";
  49         private static String extractDir = "ExtractDir";
  50         private static String successMessage = "success";
  51         public void doImportMicroServicePut(HttpServletRequest request, HttpServletResponse response) {
  52                 String importServiceCreation = request.getParameter("importService");;
  53                 String fileName = request.getParameter("fileName");
  54                 String version = request.getParameter("version");
  55                 String serviceName = request.getParameter("serviceName");
  56                 String description = request.getParameter("description");
  57                 Map<String, String> successMap = new HashMap<>();
  58                 if(("BRMSPARAM").equals(importServiceCreation)){
  59                         StringBuilder builder = new StringBuilder();
  60                         int ch;
  61                         try {
  62                                 while((ch = request.getInputStream().read()) != -1){
  63                                     builder.append((char)ch);
  64                                 }
  65                         } catch (IOException e) {
  66                                 logger.error(e);
  67                                 PolicyLogger.error(errorMessage);
  68                                 response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
  69                                 response.addHeader(errorMsg, "missing");
  70                                 response.addHeader(operation, importHeader);
  71                                 response.addHeader(service, serviceName);
  72                         }
  73                         CreateBRMSRuleTemplate brmsRuleTemplate = new CreateBRMSRuleTemplate();
  74                         successMap = brmsRuleTemplate.addRule(builder.toString(), serviceName, description, "API");
  75                 }
  76                 else if(("MICROSERVICE").equals(importServiceCreation)){
  77                         CreateNewMicroServiceModel newMS = null;
  78                         String randomID = UUID.randomUUID().toString();
  79                         if ( fileName != null) {
  80                                 File extracDir = new File(extractDir);
  81                                 if (!extracDir.exists()){
  82                                         extracDir.mkdirs();
  83                                 }
  84                                 if (fileName.contains(".xmi")){
  85                                         // get the request content into a String
  86                                         String xmi = null;
  87                                         java.util.Scanner scanner;
  88                                         try {
  89                                                 scanner = new java.util.Scanner(request.getInputStream());
  90                                                 scanner.useDelimiter("\\A");
  91                                                 xmi =  scanner.hasNext() ? scanner.next() : "";
  92                                                 scanner.close();
  93                                         } catch (IOException e1) {
  94                                                 logger.error(e1);
  95                                                 PolicyLogger.error(errorMessage);
  96                                                 return;
  97                                         }
  98                                         PolicyLogger.info("XML request from API for import new Service");
  99                                         try (Writer writer = new BufferedWriter(new OutputStreamWriter(
 100                                                         new FileOutputStream(extractDir + File.separator + randomID+".xmi"), "utf-8"))) {
 101                                                 writer.write(xmi);
 102                                         } catch (IOException e) {
 103                                                 logger.error(e);
 104                                                 PolicyLogger.error(errorMessage);
 105                                                 return;
 106                                         }
 107                                 }else{
 108                                         InputStream inputStream = null;
 109                                         try(FileOutputStream outputStream = new FileOutputStream(extractDir + File.separator + randomID+".zip")) {
 110                                                 inputStream = request.getInputStream();
 111                                                 byte[] buffer = new byte[4096];
 112                                                 int bytesRead = -1 ;
 113                                                 while ((bytesRead = inputStream.read(buffer)) != -1) {
 114                                                         outputStream.write(buffer, 0, bytesRead) ;
 115                                                 }
 116                                         } catch (IOException e) {
 117                                                 PolicyLogger.error("Error in reading in Zip File from API call"+e);
 118                                                 return;
 119                                         }finally{
 120                                                 try {
 121                                                         if(inputStream != null){
 122                                                                 inputStream.close();
 123                                                         }
 124                                                 } catch (IOException e) {
 125                                                         PolicyLogger.error("Exception Occured while closing the input/output stream"+e);
 126                                                 }
 127                                         }
 128                                 }
 129                                 newMS =  new CreateNewMicroServiceModel(fileName, serviceName, "API", version, randomID);
 130                                 successMap = newMS.addValuesToNewModel();
 131                                 if (successMap.containsKey(successMessage)) {
 132                                         successMap.clear();
 133                                         successMap = newMS.saveImportService();
 134                                 }
 135                         }
 136                 }
 137
 138                 // return a response to the PAP
 139                 if (successMap.containsKey(successMessage)) {
 140                         response.setStatus(HttpServletResponse.SC_OK);
 141                         response.addHeader("successMapKey", successMessage);
 142                         response.addHeader(operation, importHeader);
 143                         response.addHeader(service, serviceName);
 144                 } else if (successMap.containsKey("DBError")) {
 145                         if (successMap.get("DBError").contains("EXISTS")){
 146                                 response.setStatus(HttpServletResponse.SC_CONFLICT);
 147                                 response.addHeader(service, serviceName);
 148                                 response.addHeader(errorMsg, "modelExistsDB");
 149                         }else{
 150                                 response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 151                                 response.addHeader(errorMsg, "importDB");
 152                         }
 153                         response.addHeader(operation, importHeader);
 154                         response.addHeader(service, serviceName);
 155                 }else if (successMap.get(errorMsg).contains("MISSING")){
 156                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 157                         response.addHeader(errorMsg, "missing");
 158                         response.addHeader(operation, importHeader);
 159                         response.addHeader(service, serviceName);
 160                 }else if (successMap.get(errorMsg).contains("VALIDATION")){
 161                         response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
 162                         response.addHeader(errorMsg, "validation");
 163                         response.addHeader(operation, importHeader);
 164                         response.addHeader(service, serviceName);
 165                 }
 166         }
 167
 168 }