POLICY-SDK-APP/src/main/java/org/openecomp/policy/components/PolicyImportWindow.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ECOMP Policy Engine
   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
  21 package org.openecomp.policy.components;
  22
  23
  24 import java.io.File;
  25 import java.io.FileInputStream;
  26 import java.io.FileNotFoundException;
  27 import java.io.FileOutputStream;
  28 import java.io.IOException;
  29 import java.io.OutputStream;
  30 import java.nio.file.Files;
  31 import java.nio.file.Path;
  32 import java.util.ArrayList;
  33 import java.util.Set;
  34
  35 import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
  36 import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
  37 import org.apache.commons.io.IOUtils;
  38 import org.openecomp.policy.common.logging.flexlogger.FlexLogger;
  39 import org.openecomp.policy.common.logging.flexlogger.Logger;
  40 import org.openecomp.policy.xacml.api.XACMLErrorConstants;
  41
  42
  43
  44 public class PolicyImportWindow{
  45
  46         private static final Logger LOGGER      = FlexLogger.getLogger(PolicyImportWindow.class);
  47         private Path newfile = null;
  48         private boolean succeeded = false;
  49         private Boolean superadmin = false;
  50         private ArrayList<String> xacmlFiles = new ArrayList<String>();
  51         private static FileOutputStream outputFile;
  52         /**
  53          * The constructor should first build the main layout, set the
  54          * composition root and then do any custom initialization.
  55          *
  56          * The constructor will not be automatically regenerated by the
  57          * visual editor.
  58          */
  59
  60         public OutputStream receiveUpload(String filename, String mimeType) {
  61
  62                 //
  63                 // Create its new full path
  64                 //
  65                 this.newfile = null;
  66                 //
  67                 // Does it already exist?
  68                 //
  69                 if (Files.exists(this.newfile)) {
  70                         return null;
  71                 }
  72                 //
  73                 // Try to create the output stream
  74                 //
  75                 try {
  76                         return new FileOutputStream(this.newfile.toFile());
  77                 } catch (FileNotFoundException e) {
  78                         LOGGER.error("Failed to create uploaded file", e);
  79                 }
  80                 return null;
  81         }
  82
  83         public void Upload(){
  84                 TarArchiveEntry entry = null;
  85                 TarArchiveInputStream extractFile = null;
  86                 try {
  87                         extractFile = new TarArchiveInputStream (new FileInputStream(this.newfile.toFile()));
  88                 } catch (FileNotFoundException e1) {
  89                         LOGGER.error(XACMLErrorConstants.ERROR_PROCESS_FLOW+"Exception while Importing Polcies"+e1);
  90                 }
  91                 //Create a loop to read every single entry in TAR file
  92                 try {
  93                         while (extractFile!=null && (entry = extractFile.getNextTarEntry()) != null) {
  94                                 this.superadmin = true;
  95                                 try{
  96                                         copyFileToLocation(extractFile, entry, xacmlFiles, null, superadmin);
  97                                 }catch(Exception e){
  98                                         LOGGER.error(XACMLErrorConstants.ERROR_SYSTEM_ERROR+"Exception while Importing Polcies"+e);
  99                                 }
 100                         }
 101                 } catch (IOException e) {
 102                         LOGGER.error("Exception Occured"+e);
 103                 }finally{
 104                         try {
 105                                 if(extractFile != null){
 106                                         extractFile.close();
 107                                 }
 108                         } catch (IOException e) {
 109                                 LOGGER.error("Exception Occured"+e);
 110                         }
 111                 }
 112
 113         }
 114
 115         //Copy files to Directorys
 116         public static void copyFileToLocation(TarArchiveInputStream extractFile, TarArchiveEntry entry, ArrayList<String> xacmlFiles, Set<String> finalScopes, Boolean superadminValue ) throws IOException{
 117                 String individualFiles = "";
 118                 int offset = 0;
 119                 outputFile = null;
 120                 // Get the name of the file
 121                 if(superadminValue){
 122                         individualFiles = entry.getName();
 123                 }else{
 124                         for(int i =0; i< finalScopes.size(); i++){
 125                                 if(entry.getName().startsWith(finalScopes.toArray()[i].toString())){
 126                                         individualFiles = entry.getName();
 127                                 }
 128                         }
 129                 }
 130
 131                 if(individualFiles.endsWith(".xls")){
 132                         if(individualFiles.contains("\\")){
 133                                 individualFiles = individualFiles.replace("\\", File.separator);
 134                         }else if(individualFiles.contains("/")){
 135                                 individualFiles = individualFiles.replace("/", File.separator);
 136                         }
 137                         return;
 138                 }
 139
 140                 individualFiles = individualFiles.replace("/", File.separator);
 141                 individualFiles = individualFiles.replace("\\", File.separator);
 142
 143                 //Create the path with the entry name
 144
 145
 146
 147                 // Get Size of the file and create a byte array for the size
 148                 byte[] content = new byte[(int) entry.getSize()];
 149
 150                 offset=0;
 151                 LOGGER.info("Size of the File is: " + entry.getSize());
 152                 // Read file from the archive into byte array
 153                 extractFile.read(content, offset, content.length - offset);
 154
 155                 // Use IOUtiles to write content of byte array to physical file
 156                 IOUtils.write(content,outputFile);
 157
 158                 // Close Output Stream
 159                 try {
 160                         if(outputFile != null){
 161                                 outputFile.close();
 162                         }
 163                 } catch (IOException e) {
 164                         LOGGER.info("IOException:" +e);
 165                         LOGGER.error("Exception Occured"+e);
 166                 }
 167         }
 168
 169
 170         public Path     getUploadedFile() {
 171                 if (this.succeeded) {
 172                         return this.newfile;
 173                 }
 174                 return null;
 175         }
 176
 177 }