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.Set;
  14 import java.util.stream.Collectors;
  15 import java.util.zip.ZipEntry;
  16 import java.util.zip.ZipInputStream;
  17 import java.util.zip.ZipOutputStream;
  18
  19 public class ZipUtils {
  20     public static void createZip(String zipFileName, Path dir, Set<String> filterItem) throws Exception {
  21         File dirObj = dir.toFile();
  22         try (
  23                 FileOutputStream fileOutputStream = new FileOutputStream(zipFileName);
  24                 ZipOutputStream out = new ZipOutputStream(fileOutputStream)) {
  25             addDir(dirObj, out, dir.toString(), filterItem);
  26         }
  27     }
  28
  29     public static final Set<String> cleanStr(Set<String> inFilterStrs) {
  30         return inFilterStrs.stream().map(inFilterStr -> {
  31                     if (Objects.isNull(inFilterStr)) {
  32                         return inFilterStr;
  33                     }
  34                     Scanner scan = new Scanner(inFilterStr);
  35                     while (scan.hasNextLine()) {
  36                         inFilterStr = scan.nextLine().replaceAll("[^a-zA-Z0-9]", "");
  37                     }
  38                     return inFilterStr;
  39                 }
  40         ).collect(Collectors.toSet());
  41     }
  42
  43     static void addDir(File dirObj, ZipOutputStream out, String root, Set<String> filterItem) throws IOException {
  44         File[] files = dirObj.listFiles();
  45         filterItem = cleanStr(filterItem);
  46
  47         for (int i = 0; i < files.length; i++) {
  48             if (files[i].isDirectory()) {
  49                 addDir(files[i], out, root, filterItem);
  50                 String filePath = files[i].getAbsolutePath().replace(root + File.separator, "") + "/";
  51                 out.putNextEntry(new ZipEntry(filePath));
  52                 continue;
  53             }
  54             try (FileInputStream in = new FileInputStream((files[i].getAbsolutePath()))) {
  55                 String filePath = files[i].getAbsolutePath().replace(root + File.separator, "");
  56                 if (filterItem.isEmpty() || filterItem.stream().anyMatch(s -> filePath.contains(s))) {
  57                     out.putNextEntry(new ZipEntry(filePath));
  58                     try {
  59                         ByteStreams.copy(in, out);
  60
  61                     } finally {
  62                         out.closeEntry();
  63                     }
  64                 }
  65
  66             }
  67         }
  68     }
  69
  70     public static void unzip(Path zipFile, Path outputFolder) throws IOException {
  71         if (zipFile == null || outputFolder == null) {
  72             return;
  73         }
  74         if (!Files.exists(outputFolder)) {
  75             Files.createDirectories(outputFolder);
  76         }
  77
  78         try (FileInputStream fileInputStream = new FileInputStream(zipFile.toFile());
  79              ZipInputStream zis = new ZipInputStream(fileInputStream)) {
  80             ZipEntry ze = zis.getNextEntry();
  81             while (ze != null) {
  82                 String fileName = ze.getName();
  83                 File newFile = new File(outputFolder.toString() + File.separator + fileName);
  84                 if (ze.isDirectory()) {
  85                     Path path = newFile.toPath();
  86                     if (!Files.exists(path)) {
  87                         Files.createDirectories(path);
  88                     }
  89                 } else {
  90                     new File(newFile.getParent()).mkdirs();
  91                     try (FileOutputStream fos = new FileOutputStream(newFile)) {
  92                         ByteStreams.copy(zis, fos);
  93                     }
  94                 }
  95                 ze = zis.getNextEntry();
  96             }
  97
  98             zis.closeEntry();
  99         }
 100
 101     }
 102 }
 103