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
  21 import java.io.ByteArrayInputStream;
  22 import java.io.ByteArrayOutputStream;
  23 import java.io.IOException;
  24 import java.util.zip.ZipEntry;
  25 import java.util.zip.ZipInputStream;
  26 import java.util.zip.ZipOutputStream;
  27
  28 import static org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util.SystemFunctions.systemFunctions;
  29
  30 /**
  31  * Builds a CBAM VNF package capable to be deployed on ONAP from a CBAM package
  32  */
  33 public class CbamVnfPackageBuilder {
  34
  35     /**
  36      * @param originalCbamVnfPackage  the original CBAM VNF package
  37      * @param vnfdLocation            the location of the VNFD within the CBAM VNF package
  38      * @param modifiedCbamVnfdContent the modified CBAM VNFD content
  39      * @return the mod
  40      */
  41     public byte[] toModifiedCbamVnfPackage(byte[] originalCbamVnfPackage, String vnfdLocation, String modifiedCbamVnfdContent) throws IOException {
  42         ZipInputStream zipInputStream = new ZipInputStream(new ByteArrayInputStream(originalCbamVnfPackage));
  43         ByteArrayOutputStream result = new ByteArrayOutputStream();
  44         ZipOutputStream out = new ZipOutputStream(result);
  45         ZipEntry zipEntry;
  46         while ((zipEntry = zipInputStream.getNextEntry()) != null) {
  47             if (zipEntry.getName().matches(vnfdLocation)) {
  48                 out.putNextEntry(new ZipEntry(vnfdLocation));
  49                 out.write(modifiedCbamVnfdContent.getBytes());
  50                 out.closeEntry();
  51             } else {
  52                 out.putNextEntry(new ZipEntry(zipEntry.getName()));
  53                 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
  54                 ByteStreams.copy(zipInputStream, byteArrayOutputStream);
  55                 out.write(byteArrayOutputStream.toByteArray());
  56                 out.closeEntry();
  57             }
  58         }
  59         out.putNextEntry(new ZipEntry("javascript/cbam.pre.collectConnectionPoints.js"));
  60         out.write(systemFunctions().loadFile("cbam.pre.collectConnectionPoints.js"));
  61         out.closeEntry();
  62         out.putNextEntry(new ZipEntry("javascript/cbam.collectConnectionPoints.js"));
  63         out.write(systemFunctions().loadFile("cbam.collectConnectionPoints.js"));
  64         out.closeEntry();
  65         out.putNextEntry(new ZipEntry("javascript/cbam.post.collectConnectionPoints.js"));
  66         out.write(systemFunctions().loadFile("cbam.post.collectConnectionPoints.js"));
  67         out.closeEntry();
  68         out.close();
  69         zipInputStream.close();
  70         return result.toByteArray();
  71     }
  72 }