{"id":120154,"date":"2024-03-23T21:27:46","date_gmt":"2024-03-23T12:27:46","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7zip%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%a7%a3%e5%87%8d%e3%81%99%e3%82%8b\/"},"modified":"2024-04-04T15:17:17","modified_gmt":"2024-04-04T06:17:17","slug":"java%e3%81%a7zip%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%a7%a3%e5%87%8d%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/java%e3%81%a7zip%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e8%a7%a3%e5%87%8d%e3%81%99%e3%82%8b\/","title":{"rendered":"Java\u3067zip\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b"},"content":{"rendered":"

Java\u3067\u306f\u3001ZipInputStream\u3068ZipOutputStream\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u58d3\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3057\u305f\u308a\u5727\u7e2e\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\u624b\u9806<\/p>\n

    \n
  1. \u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308bZipInputStream\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u306b\u89e3\u51cd\u3059\u308b\u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3059\u3002<\/li>\n
  2. ZipInputStream\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306egetNextEntry()\u30e1\u30bd\u30c3\u30c9\u3067Zip\u30d5\u30a1\u30a4\u30eb\u5185\u306e\u5404\u30a8\u30f3\u30c8\u30ea\uff08\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\uff09\u3092\u53d6\u5f97\u3059\u308b\u3002<\/li>\n
  3. \u89e3\u51cd\u3057\u305f\u30a8\u30f3\u30c8\u30ea\u3092BufferedOutputStream\u3084FileOutputStream\u3068\u3044\u3063\u305f\u51fa\u529b\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f7f\u7528\u3057\u3066\u6307\u5b9a\u3057\u305f\u5834\u6240\u306b\u5c55\u958b\u3057\u307e\u3059\u3002<\/li>\n
  4. \u624b\u98062\u3068\u624b\u98063\u3092\u3001\u5168\u3066\u306e\u30a8\u30f3\u30c8\u30ea\u30fc\u306e\u89e3\u51cd\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/li>\n
  5. ZipInputStream\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u9589\u3058\u308b\u3002<\/li>\n<\/ol>\n

    \u5727\u7e2e\u3055\u308c\u305f\u30a2\u30fc\u30ab\u30a4\u30d6\u306e\u89e3\u51cd\u65b9\u6cd5\u3092\u8aac\u660e\u3059\u308b\u3001\u7c21\u5358\u306a\u30b3\u30fc\u30c9\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n

    import<\/span> java.io.*;\r\nimport<\/span> java.util.zip.ZipEntry;\r\nimport<\/span> java.util.zip.ZipInputStream;\r\npublic<\/span> class<\/span> UnzipExample<\/span> {\r\npublic<\/span> static<\/span> void<\/span> main<\/span>(String[] args)<\/span> {\r\nString<\/span> zipFilePath<\/span> =<\/span> \"path\/to\/your\/zipfile.zip\"<\/span>;\r\nString<\/span> unzipFolderPath<\/span> =<\/span> \"path\/to\/unzip\/folder\"<\/span>;\r\ntry<\/span> {\r\nFileInputStream<\/span> fis<\/span> =<\/span> new<\/span> FileInputStream<\/span>(zipFilePath);\r\nZipInputStream<\/span> zis<\/span> =<\/span> new<\/span> ZipInputStream<\/span>(fis);\r\nZipEntry<\/span> zipEntry<\/span> =<\/span> zis.getNextEntry();\r\nwhile<\/span> (zipEntry != null<\/span>) {\r\nString<\/span> entryName<\/span> =<\/span> zipEntry.getName();\r\nString<\/span> outputFilePath<\/span> =<\/span> unzipFolderPath + File.separator + entryName;\r\nif<\/span> (!zipEntry.isDirectory()) {\r\n\/\/ Create the output file<\/span>\r\nFile<\/span> outputFile<\/span> =<\/span> new<\/span> File<\/span>(outputFilePath);\r\noutputFile.getParentFile().mkdirs();\r\n\/\/ Write the content of the entry to the output file<\/span>\r\nFileOutputStream<\/span> fos<\/span> =<\/span> new<\/span> FileOutputStream<\/span>(outputFile);\r\nbyte<\/span>[] buffer = new<\/span> byte<\/span>[1024<\/span>];\r\nint<\/span> length;\r\nwhile<\/span> ((length = zis.read(buffer)) > 0<\/span>) {\r\nfos.write(buffer, 0<\/span>, length);\r\n}\r\nfos.close();\r\n} else<\/span> {\r\n\/\/ Create the directory<\/span>\r\nFile<\/span> directory<\/span> =<\/span> new<\/span> File<\/span>(outputFilePath);\r\ndirectory.mkdirs();\r\n}\r\nzipEntry = zis.getNextEntry();\r\n}\r\nzis.closeEntry();\r\nzis.close();\r\nfis.close();\r\nSystem.out.println(\"Unzip completed successfully.\"<\/span>);\r\n} catch<\/span> (IOException e) {\r\ne.printStackTrace();\r\n}\r\n}\r\n}\r\n<\/code><\/pre>\n
    ZIP\u30d5\u30a1\u30a4\u30eb\u3092\u5727\u7e2e\u3059\u308b\u624b\u9806\u306f\u89e3\u51cd\u306e\u9006\u3067\u3042\u308a\u3001java.util.zip \u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u542b\u307e\u308c\u308bZipOutputStream\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    Java\u3067\u306f\u3001ZipInputStream\u3068ZipOutputStream\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u58d3\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3057\u305f\u308a\u5727\u7e2e\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002 \u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\u624b\u9806 \u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308bZipInputStream\u30aa\u30d6\u30b8 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-120154","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nJava\u3067zip\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067zip\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java\u3067zip\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\" \/>\n<meta property=\"og:description\" content=\"Java\u3067\u306f\u3001ZipInputStream\u3068ZipOutputStream\u30af\u30e9\u30b9\u3092\u4f7f\u7528\u3057\u3066\u58d3\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3057\u305f\u308a\u5727\u7e2e\u3057\u305f\u308a\u3067\u304d\u307e\u3059\u3002 \u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\u624b\u9806 \u5727\u7e2e\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308bZipInputStream\u30aa\u30d6\u30b8 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/java\u3067zip\u30d5\u30a1\u30a4\u30eb\u3092\u89e3\u51cd\u3059\u308b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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