nokiav2/driver/src/main/java/org/onap/vfc/nfvo/driver/vnfm/svnfm/nokia/packagetransformer/CbamVnfPackageBuilder.java

   1 /*
   2  * Copyright 2016-2017, Nokia Corporation
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.packagetransformer;
  18
  19 import com.google.common.io.ByteStreams;
  20 import java.io.ByteArrayInputStream;
  21 import java.io.ByteArrayOutputStream;
  22 import java.io.IOException;
  23 import java.util.zip.ZipEntry;
  24 import java.util.zip.ZipInputStream;
  25 import java.util.zip.ZipOutputStream;
  26
  27 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
  28
  29 /**
  30  * Builds a CBAM VNF package capable to be deployed on ONAP from a CBAM package
  31  */
  32 public class CbamVnfPackageBuilder {
  33
  34     /**
  35      * @param originalCbamVnfPackage  the original CBAM VNF package
  36      * @param vnfdLocation            the location of the VNFD within the CBAM VNF package
  37      * @param modifiedCbamVnfdContent the modified CBAM VNFD content
  38      * @return the mod
  39      */
  40     public byte[] toModifiedCbamVnfPackage(byte[] originalCbamVnfPackage, String vnfdLocation, String modifiedCbamVnfdContent) throws IOException {
  41         ZipInputStream zipInputStream = new ZipInputStream(new ByteArrayInputStream(originalCbamVnfPackage));
  42         ByteArrayOutputStream result = new ByteArrayOutputStream();
  43         ZipOutputStream out = new ZipOutputStream(result);
  44         ZipEntry zipEntry;
  45         while ((zipEntry = zipInputStream.getNextEntry()) != null) {
  46             if (zipEntry.getName().matches(vnfdLocation)) {
  47                 out.putNextEntry(new ZipEntry(vnfdLocation));
  48                 out.write(modifiedCbamVnfdContent.getBytes());
  49                 out.closeEntry();
  50             } else {
  51                 out.putNextEntry(new ZipEntry(zipEntry.getName()));
  52                 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
  53                 ByteStreams.copy(zipInputStream, byteArrayOutputStream);
  54                 out.write(byteArrayOutputStream.toByteArray());
  55                 out.closeEntry();
  56             }
  57         }
  58         out.putNextEntry(new ZipEntry("javascript/cbam.pre.collectConnectionPoints.js"));
  59         out.write(systemFunctions().loadFile("cbam.pre.collectConnectionPoints.js"));
  60         out.closeEntry();
  61         out.putNextEntry(new ZipEntry("javascript/cbam.collectConnectionPoints.js"));
  62         out.write(systemFunctions().loadFile("cbam.collectConnectionPoints.js"));
  63         out.closeEntry();
  64         out.putNextEntry(new ZipEntry("javascript/cbam.post.collectConnectionPoints.js"));
  65         out.write(systemFunctions().loadFile("cbam.post.collectConnectionPoints.js"));
  66         out.closeEntry();
  67         out.close();
  68         zipInputStream.close();
  69         return result.toByteArray();
  70     }
  71 }