{"id":7970,"date":"2011-10-18T21:00:10","date_gmt":"2011-10-18T12:00:10","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=7970"},"modified":"2011-10-30T11:19:31","modified_gmt":"2011-10-30T02:19:31","slug":"java%e3%81%a7zip","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/7970.html","title":{"rendered":"Java\u3067zip"},"content":{"rendered":"<p>Java\u3067Zip\u3092\u5c55\u958b\u3057\u3066\u66f8\u304d\u51fa\u3059\u30d7\u30ed\u30b0\u30e9\u30e0\u3002\u4ee5\u524d\u3082\u4f5c\u3063\u305f\u3053\u3068\u304c\u3042\u3063\u305f\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002java.util.zip\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3064\u304d\u306e\u3001encrypt, decrypt\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001winzipaes &#8211; Encrypt+Decrypt files in WinZip AES format via java &#8211; Google Project Hosting: <a href=\"http:\/\/code.google.com\/p\/winzipaes\/\">http:\/\/code.google.com\/p\/winzipaes\/<\/a>\u3068\u304b\u3092\u4f7f\u3063\u305f\u65b9\u304c\u3044\u3044\u306e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p><!--more--><\/p>\n<pre class=\"brush: java; gutter: true\">\r\npackage&nbsp;org.sssg.soft.sample.zip&#x3b;\r\n\r\nimport&nbsp;java.io.BufferedInputStream&#x3b;\r\nimport&nbsp;java.io.BufferedOutputStream&#x3b;\r\nimport&nbsp;java.io.File&#x3b;\r\nimport&nbsp;java.io.FileNotFoundException&#x3b;\r\nimport&nbsp;java.io.FileOutputStream&#x3b;\r\nimport&nbsp;java.io.IOException&#x3b;\r\nimport&nbsp;java.io.InputStream&#x3b;\r\nimport&nbsp;java.util.Enumeration&#x3b;\r\nimport&nbsp;java.util.zip.ZipEntry&#x3b;\r\nimport&nbsp;java.util.zip.ZipException&#x3b;\r\nimport&nbsp;java.util.zip.ZipFile&#x3b;\r\n\r\npublic&nbsp;class&nbsp;Tool&nbsp;{\r\n&nbsp;&nbsp;public&nbsp;static&nbsp;void&nbsp;main(String[]&nbsp;args)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;Tool&nbsp;app&nbsp;=&nbsp;new&nbsp;Tool()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(args.length&nbsp;&lt;=&nbsp;0)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(&quot;help&#x3a;&nbsp;java&nbsp;org.sssg.soft.sample.zip.Tool&nbsp;&lt;fileName&gt;&quot;)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;String&nbsp;fileName&nbsp;=&nbsp;args[0]&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;File&nbsp;file&nbsp;=&nbsp;new&nbsp;File(fileName)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;app.unzip(file)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(ZipException&nbsp;e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(IOException&nbsp;e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(Exception&nbsp;e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;private&nbsp;String&nbsp;getBaseDirName(String&nbsp;s)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;int&nbsp;exindex&nbsp;=&nbsp;s.lastIndexOf(&quot;.&quot;)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;s.substring(0,&nbsp;exindex)&#x3b;\r\n&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;private&nbsp;File&nbsp;baseDir&nbsp;=&nbsp;null&#x3b;\r\n&nbsp;&nbsp;private&nbsp;ZipFile&nbsp;zipFile&nbsp;=&nbsp;null&#x3b;\r\n\r\n&nbsp;&nbsp;public&nbsp;void&nbsp;unzip(File&nbsp;file)&nbsp;throws&nbsp;ZipException,&nbsp;IOException&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;baseDir&nbsp;=&nbsp;new&nbsp;File(getBaseDirName(file.getAbsolutePath()))&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(&#x21;baseDir.exists())&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;baseDir.mkdir()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;zipFile&nbsp;=&nbsp;new&nbsp;ZipFile(file)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;for&nbsp;(Enumeration&lt;?&nbsp;extends&nbsp;ZipEntry&gt;&nbsp;entries&nbsp;=&nbsp;zipFile.entries()&#x3b;&nbsp;entries\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;.hasMoreElements()&#x3b;)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ZipEntry&nbsp;ze&nbsp;=&nbsp;entries.nextElement()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execUnit(ze)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;finally&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(zipFile&nbsp;&#x21;=&nbsp;null)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;zipFile.close()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;private&nbsp;void&nbsp;execUnit(ZipEntry&nbsp;ze)&nbsp;throws&nbsp;IOException&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;File&nbsp;outFile&nbsp;=&nbsp;new&nbsp;File(baseDir,&nbsp;ze.getName())&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(ze.isDirectory())&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;outFile.mkdirs()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;else&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;BufferedOutputStream&nbsp;bos&nbsp;=&nbsp;null&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bos&nbsp;=&nbsp;new&nbsp;BufferedOutputStream(new&nbsp;FileOutputStream(outFile))&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;execFile(ze,&nbsp;bos)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(FileNotFoundException&nbsp;e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;finally&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(bos&nbsp;&#x21;=&nbsp;null)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bos.close()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;}\r\n\r\n&nbsp;&nbsp;private&nbsp;void&nbsp;execFile(ZipEntry&nbsp;ze,&nbsp;BufferedOutputStream&nbsp;bos)&nbsp;throws&nbsp;IOException&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;BufferedInputStream&nbsp;bis&nbsp;=&nbsp;null&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;try&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;InputStream&nbsp;is&nbsp;=&nbsp;zipFile.getInputStream(ze)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bis&nbsp;=&nbsp;new&nbsp;BufferedInputStream(is)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;int&nbsp;length&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;while&nbsp;((length&nbsp;=&nbsp;bis.available())&nbsp;&gt;&nbsp;0)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;byte[]&nbsp;bs&nbsp;=&nbsp;new&nbsp;byte[length]&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bis.read(bs)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bos.write(bs)&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;catch&nbsp;(IOException&nbsp;e)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;e.printStackTrace()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;finally&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;(bis&nbsp;&#x21;=&nbsp;null)&nbsp;{\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bis.close()&#x3b;\r\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;&nbsp;&nbsp;}\r\n&nbsp;&nbsp;}\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Java\u3067Zip\u3092\u5c55\u958b\u3057\u3066\u66f8\u304d\u51fa\u3059\u30d7\u30ed\u30b0\u30e9\u30e0\u3002\u4ee5\u524d\u3082\u4f5c\u3063\u305f\u3053\u3068\u304c\u3042\u3063\u305f\u3088\u3046\u306a\u6c17\u304c\u3057\u307e\u3059\u3002java.util.zip\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u30d1\u30b9\u30ef\u30fc\u30c9\u3064\u304d\u306e\u3001encrypt, decrypt\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3088\u3046\u306a\u306e\u3067\u3001winzipae &hellip; <a href=\"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/7970.html\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[1207,593],"class_list":["post-7970","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-zip"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7970","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=7970"}],"version-history":[{"count":5,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7970\/revisions"}],"predecessor-version":[{"id":8016,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/7970\/revisions\/8016"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=7970"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=7970"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=7970"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}