{"id":2378,"date":"2017-02-24T19:02:42","date_gmt":"2017-02-24T10:02:42","guid":{"rendered":"http:\/\/www23.atpages.jp\/~inoni\/?p=2378"},"modified":"2017-10-20T17:31:28","modified_gmt":"2017-10-20T08:31:28","slug":"java%e8%a6%9a%e6%9b%b8-%e3%82%b5%e3%83%bc%e3%83%90%e5%90%8d%e3%81%8b%e3%82%89mac%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%82%92%e5%8f%96%e5%be%97","status":"publish","type":"post","link":"http:\/\/anada.cloudfree.jp\/?p=2378","title":{"rendered":"Java\u899a\u66f8 \u30b5\u30fc\u30d0\u540d\u304b\u3089MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97"},"content":{"rendered":"

Windows\u4e0a\u3067\u52d5\u3044\u3066\u3044\u308b\u5834\u5408\u306b\u3057\u304b\u5229\u7528\u3067\u304d\u306a\u3044\u65b9\u6cd5\u3060\u3051\u3069\u3001\u30e1\u30e2\u3002<\/p>\n

Java\u3067\u30b5\u30fc\u30d0\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u7c21\u5358\u306b\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u6f01\u3063\u3066\u307f\u305f\u306e\u3060\u304c\u3001\u7d50\u5c40\u306f\u300cARP\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u300d\u3050\u3089\u3044\u3057\u304b\u306a\u3044\u3088\u3046\u3067\u3042\u308b\u3002
\n\u306a\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u30ac\u30c3\u30af\u30b7\u304d\u3066\u3057\u307e\u3063\u305f\u3002<\/p>\n

1) target \u306b \u30b5\u30fc\u30d0\u540d\u3092\u8a2d\u5b9a\u3002
\n2) Windows\u30b3\u30de\u30f3\u30c9 arp \u306b\u3001target\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u8a2d\u5b9a\u3057\u3066\u5b9f\u884c\u3002
\n3) \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u51fa\u529b\u304b\u3089target\u30b5\u30fc\u30d0\u306eIP\u30a2\u30c9\u30ec\u30b9\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97<\/p>\n

\r\n    String target = "\u3053\u3053\u306b\u30b5\u30fc\u30d0\u540d\u3092\u8a2d\u5b9a";\r\n    String adr= "";\r\n    try {\r\n      \/\/ 1)\r\n      InetAddress ip = InetAddress.getByName(target);\r\n      \/\/ 2)\r\n      ProcessBuilder pb = new ProcessBuilder("arp", "-a", ip.getHostAddress());\r\n      pb.redirectErrorStream(true);\r\n      Process proc = pb.start();\r\n      proc.waitFor();\r\n      \/\/ 3)\r\n      InputStream is = proc.getInputStream();\r\n      BufferedReader br = new BufferedReader(new InputStreamReader(is));\r\n      try {\r\n        for (;;) {\r\n          String line= br.readLine();\r\n          if (line == null) break;\r\n          if (line.indexOf(ip.getHostAddress()) >= 0) {\r\n            adr = buf.substring(23,45).trim();\r\n          }\r\n        }\r\n      } finally {\r\n        br.close();\r\n      }\r\n      if (res.length() > 0) {\r\n        System.out.println("Server ["+ target+ "] , IP [" + ip.getHostAddress() + "] , MAC [" + adr + "]");\r\n      }\r\n    } catch (Exception e) {\r\n        e.printStackTrace();\r\n    } finally {\r\n    }\r\n\r\n<\/pre>\n
\u53c2\u8003URL
\n\u304d\u3057\u3060\u306e\u306f\u3066\u306a\u300cJava\u3067MAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3059\u308b\u300d<\/a>
\n\u3072\u3057\u3060\u307e’s \u6280\u8853\u30e1\u30e2\u30da\u30fc\u30b8\u300cJava > \u5916\u90e8\u30d7\u30ed\u30bb\u30b9\u8d77\u52d5\u300d<\/a>\u300d<\/p>\n","protected":false},"excerpt":{"rendered":"
Windows\u4e0a\u3067\u52d5\u3044\u3066\u3044\u308b\u5834\u5408\u306b\u3057\u304b\u5229\u7528\u3067\u304d\u306a\u3044\u65b9\u6cd5\u3060\u3051\u3069\u3001\u30e1\u30e2\u3002 Java\u3067\u30b5\u30fc\u30d0\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u7c21\u5358\u306b\u53d6\u5f97\u3059\u308b\u65b9\u6cd5\u3092\u6f01\u3063\u3066\u307f\u305f\u306e\u3060\u304c\u3001\u7d50\u5c40\u306f\u300cARP\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3059\u308b\u300d\u3050\u3089\u3044\u3057\u304b\u306a\u3044\u3088\u3046\u3067\u3042\u308b\u3002 \u306a\u306e\u3067\u3001\u3061\u3087\u3063\u3068 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[183],"class_list":["post-2378","post","type-post","status-publish","format-standard","hentry","category-java","tag-java"],"_links":{"self":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/2378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2378"}],"version-history":[{"count":2,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/2378\/revisions"}],"predecessor-version":[{"id":2419,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=\/wp\/v2\/posts\/2378\/revisions\/2419"}],"wp:attachment":[{"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2378"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/anada.cloudfree.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}