openecomp-be/tools/zusammen-tools/src/main/java/org/openecomp/core/tools/util/ZipUtils.java

   1 package org.openecomp.core.tools.util;
   2
   3 import com.google.common.io.ByteStreams;
   4
   5 import java.io.File;
   6 import java.io.FileInputStream;
   7 import java.io.FileOutputStream;
   8 import java.io.IOException;
   9 import java.nio.file.Files;
  10 import java.nio.file.Path;
  11 import java.util.Objects;
  12 import java.util.Scanner;
  13 import java.util.zip.ZipEntry;
  14 import java.util.zip.ZipInputStream;
  15 import java.util.zip.ZipOutputStream;
  16
  17 public class ZipUtils {
  18     public static void createZip(String zipFileName, Path dir, String filterItem) throws Exception {
  19         File dirObj = dir.toFile();
  20         try (
  21                 FileOutputStream fileOutputStream = new FileOutputStream(zipFileName);
  22                 ZipOutputStream out = new ZipOutputStream(fileOutputStream)) {
  23             addDir(dirObj, out, dir.toString(), filterItem);
  24         }
  25     }
  26
  27     public static final String cleanStr(String inFilterStr) {
  28         if (Objects.isNull(inFilterStr)) {
  29             return inFilterStr;
  30         }
  31         Scanner scan = new Scanner(inFilterStr);
  32         while (scan.hasNextLine()) {
  33             inFilterStr = scan.nextLine().replaceAll("[^a-zA-Z0-9]", "");
  34         }
  35         return inFilterStr;
  36     }
  37
  38     static void addDir(File dirObj, ZipOutputStream out, String root, String filterItem) throws IOException {
  39         File[] files = dirObj.listFiles();
  40         filterItem = cleanStr(filterItem);
  41
  42         for (int i = 0; i < files.length; i++) {
  43             if (files[i].isDirectory()) {
  44                 addDir(files[i], out, root, filterItem);
  45                 continue;
  46             }
  47             try (FileInputStream in = new FileInputStream((files[i].getAbsolutePath()))) {
  48                 String filePath = files[i].getAbsolutePath().replace(root + File.separator, "");
  49                 if (filterItem == null || filePath.contains(filterItem)) {
  50                     out.putNextEntry(new ZipEntry(filePath));
  51                     try {
  52                         ByteStreams.copy(in, out);
  53
  54                     } finally {
  55                         out.closeEntry();
  56                     }
  57                 }
  58
  59             }
  60         }
  61     }
  62
  63     public static void unzip(Path zipFile, Path outputFolder) throws IOException {
  64         if (zipFile == null || outputFolder == null) {
  65             return;
  66         }
  67         if (!Files.exists(outputFolder)) {
  68             Files.createDirectories(outputFolder);
  69         }
  70
  71         try (FileInputStream fileInputStream = new FileInputStream(zipFile.toFile());
  72              ZipInputStream zis = new ZipInputStream(fileInputStream)) {
  73             ZipEntry ze = zis.getNextEntry();
  74             while (ze != null) {
  75                 String fileName = ze.getName();
  76                 File newFile = new File(outputFolder.toString() + File.separator + fileName);
  77                 new File(newFile.getParent()).mkdirs();
  78                 try (FileOutputStream fos = new FileOutputStream(newFile)) {
  79                     ByteStreams.copy(zis, fos);
  80                 }
  81                 ze = zis.getNextEntry();
  82             }
  83
  84             zis.closeEntry();
  85         }
  86
  87     }
  88 }
  89