{"id":684,"date":"2009-07-09T22:34:04","date_gmt":"2009-07-09T13:34:04","guid":{"rendered":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/?p=684"},"modified":"2010-10-30T10:21:24","modified_gmt":"2010-10-30T01:21:24","slug":"java%e3%81%a7jna%e3%82%92%e4%bd%bf%e3%81%86","status":"publish","type":"post","link":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/2009\/07\/09\/684\/","title":{"rendered":"Java\u3067JNA\u3092\u4f7f\u3046"},"content":{"rendered":"<p>Java\u304b\u3089OpenCV\u3092JNA (Java Native Access) \u7d4c\u7531\u3067\u4f7f\u3046\u91ce\u671b\u306e\u7d9a\u304d\uff1a<\/p>\n<p>\u4ee5\u4e0b\u304b\u3089 jna.jar\u306e\u6700\u65b0\u7248\u3092\u5165\u624b<\/p>\n<ul>\n<li><a href=\"https:\/\/jna.dev.java.net\/servlets\/ProjectDocumentList\">Java Native Access (JNA) Download<br \/>\n<\/a>\n<\/ul>\n<p>\u3053\u308c\u3092\u9069\u5f53\u306a\u30e9\u30a4\u30d6\u30e9\u30ea\u30d1\u30b9\uff08Windows \u306a\u3089 C:\\Program Files\\Java\\JNA\\ \u306a\u3069\uff09\u306b\u304a\u304d\u3001\u74b0\u5883\u5909\u6570 CLASSPATH \u306b jna.jar \u307e\u3067\u542b\u3081\u305f\u5f62\u3067C:\\Program Files\\Java\\JNA\\jna.jar\u306a\u3069\u3068\u6307\u5b9a\u3059\u308b\u3002Windows \u306e\u5834\u5408\u306f\u3001\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30d1\u30cd\u30eb\u2192\u30b7\u30b9\u30c6\u30e0\u2192\u8a73\u7d30\u8a2d\u5b9a\u2192\u74b0\u5883\u5909\u6570\u3067\u3001CLASSPATH\u3092\u65b0\u898f\u8ffd\u52a0\u3042\u308b\u3044\u306f\u65e2\u5b58\u306e\u3082\u306e\u3092\u7de8\u96c6\uff1a<br \/>\n<center><img loading=\"lazy\" decoding=\"async\" width=\"486\" height=\"456\" src=\"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-content\/uploads\/2009\/07\/20090709211246.png\" alt=\"\" title=\"JNA\u306e\u30af\u30e9\u30b9\u30d1\u30b9\u8a2d\u5b9a\" class=\"alignnone size-full wp-image-688\" srcset=\"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-content\/uploads\/2009\/07\/20090709211246.png 486w, http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-content\/uploads\/2009\/07\/20090709211246-300x281.png 300w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/><\/center><\/p>\n<p>\u3053\u308c\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u30e9\u30a4\u30d6\u30e9\u30ea\u304cNative.loadLibrary()\u3092\u4f7f\u3063\u3066\u8aad\u307f\u8fbc\u3081\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u5f62\u5f0f\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/p>\n<div class=\"hl-surround\" style=\"height:16.8px;\"><div class=\"hl-main\"><pre>\u30af\u30e9\u30b9\u540d\u3000INSTANCE=(\u30af\u30e9\u30b9\u540d)Native.loadLibrary(&quot;\u30e9\u30a4\u30d6\u30e9\u30ea\u540d&quot;, \u30af\u30e9\u30b9\u540d.class);<\/pre><\/div><\/div>\n<p>\u300c\u30af\u30e9\u30b9\u540d\u300d\u306f\u3001\u305d\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u5185\u5bb9\u306b\u6cbf\u3063\u305f\u3082\u306e\u3092\u9069\u5f53\u306b\u6307\u5b9a\u3059\u308b\u3002<\/p>\n<p>\u5b9f\u969b\u306e\u547c\u3073\u51fa\u3057\u3067\u306f\u6b21\u306e\u3088\u3046\u306bLibrary\u3092\u7d99\u627f\u3057\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f5c\u6210\u3059\u308b \uff08com.sun.jna.examples.win32\u30d1\u30c3\u30b1\u30fc\u30b8\u306a\u3069\u3092\u5229\u7528\u3059\u308b\u5834\u5408\u306f\u3001StdCallLibrary\u3092\u7d99\u627f\u3059\u308b\uff09<\/p>\n<div class=\"hl-surround\" ><div class=\"hl-main\"><pre>interface \u30af\u30e9\u30b9\u540d extends Library {\r\n  \/\/ \u3053\u3053\u306b\u4e0a\u8a18\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u8aad\u307f\u8fbc\u307f\u3092\u8a18\u8ff0\r\n\r\n  \/\/ \u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5404\u95a2\u6570\u3078\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4ee5\u4e0b\u306b\u4e26\u3079\u3066\u3044\u304f\r\n}<\/pre><\/div><\/div>\n<p><!--more--><br \/>\n\u4ee5\u4e0b\u306f\u3001user32.dll \u3092\u4f7f\u3063\u3066MessageBox\u3092\u51fa\u3059\u4f8b<\/p>\n<div class=\"hl-surround\" style=\"height:280px;\"><div class=\"hl-main\"><pre>import com.sun.jna.Library;\r\nimport com.sun.jna.Native;\r\n\r\ninterface User32 extends Library {\r\n  \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\r\n  User32 INSTANCE = (User32) Native.loadLibrary(&quot;user32&quot;, User32.class);\r\n\r\n  \/\/ \u95a2\u6570\u3078\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\r\n  int MessageBoxA(int hWnd, byte[] lpText, byte[] lpCaption, int uType);\r\n\r\n  \/\/ \u5b9a\u6570\u5b9a\u7fa9\r\n  int MB_YESNO = 0x00000004;\r\n  int MB_ICONASTERISK = 0x00000040;\r\n}\r\n\r\npublic class MessageBoxSample {\r\n    public static void main(String[] args) throws Exception {\r\n      User32 user32=User32.INSTANCE;\r\n      user32.MessageBoxA(0, _T(&quot;\u7d42\u4e86\u3057\u307e\u3059\u304b\uff1f&quot;), _T(&quot;\u7d42\u4e86\u78ba\u8a8d&quot;), \r\n                                         User32.MB_ICONASTERISK | User32.MB_YESNO);\r\n    }\r\n\r\n    \/\/ \u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u5217\u3092\u8fd4\u3059\u3002\r\n    private static byte[] _T(final String str) throws Exception {\r\n      return (str+&quot;\\0&quot;).getBytes(&quot;Windows-31J&quot;);\r\n    }\r\n}<\/pre><\/div><\/div>\n<p><b>\u30ea\u30f3\u30af<\/b><\/p>\n<ul>\n<li><a href=\"https:\/\/jna.dev.java.net\/\">jna: Java Native Access (JNA): Pure Java access to native libraries<br \/>\n<\/a><\/p>\n<ul>\n<li><a href=\"https:\/\/jna.dev.java.net\/#getting_started\">How To Get Started Using JNA<br \/>\n<\/a><\/p>\n<li><a href=\"https:\/\/jna.dev.java.net\/#demos\">Examples<br \/>\n<\/a>||<a href=\"https:\/\/jna.dev.java.net\/demo\/ShapedWindowDemo.jnlp\">ShapedWindowDemo<br \/>\n<\/a>||<a href=\"https:\/\/jna.dev.java.net\/demo\/BalloonManagerDemo.jnlp\">BalloonManagerDemo<br \/>\n<\/a>\n <\/ul>\n<li><a href=\"http:\/\/d.hatena.ne.jp\/t-katochin\/20090122\/1232615970\">JNA\u306a\u308b\u3082\u306e &#8211; \u3053\u3052\u3064\u304d\u307e\u305b\u3093<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/www.atmarkit.co.jp\/fjava\/special\/jna\/jna_1.html\">JNI\u3088\u308a\u7c21\u5358\u306bJava\u3068C\/C++\u3092\u3064\u306a\u3050\u300cJNA\u300d\u3068\u306f\uff081\/4\uff09\uff0d\uff20IT<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/m-ono.info\/tech\/programming\/jna\/\">mono&#8217;s Tech Blog \u00bb JNI\u3088\u308a\u305a\u3063\u3068\u304a\u624b\u8efd\u306aJNA(Java Native Access)<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/d.hatena.ne.jp\/CamelCase\/20090211\/1234374685\">JNA\u3092\u4f7f\u3063\u3066\u30e1\u30c3\u30bb\u30fc\u30b8\u30dc\u30c3\u30af\u30b9\u8868\u793a &#8211; CamelCase\u306e\u65e5\u8a18<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/www.hakkaku.net\/hakkaker_blog\/20090211-378\">\u516b\u89d2\u7814\u7a76\u6240 : Java\u3067\u30cd\u30a3\u30c6\u30a3\u30d6\u30a2\u30af\u30bb\u30b9<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/itasan.mydns.jp\/wiki.cgi\/ASIA?page=Java%A4%CE%B1%FE%CD%D1%A1%A7Felica%A5%AB%A1%BC%A5%C9%A5%EA%A1%BC%A5%C0\">Java\u306e\u5fdc\u7528\uff1aFelica\u30ab\u30fc\u30c9\u30ea\u30fc\u30c0 &#8211; \u4e9c\u5927\u7528\u6388\u696d\u8cc7\u6599\u30b5\u30a4\u30c8<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/blog.frankel.ch\/tech\/dev\/java\/jna-meets-jni\">JNA meets JNI | A Java geek<br \/>\n<\/a><\/p>\n<li><a href=\"http:\/\/www.nicovideo.jp\/watch\/sm7497680\">OpenCV\uff0bJava\u3067MMD\uff08\u5b9f\u9a13\u4e2d\uff09\u2010\u30cb\u30b3\u30cb\u30b3\u52d5\u753b(\u03b2\u03b2)<br \/>\n<\/a>\n<\/ul>\n<p>[\u8ffd\u8a18]<br \/>\n\u30ea\u30f3\u30af\u66f4\u65b0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Java\u304b\u3089OpenCV\u3092JNA (Java Native Access) \u7d4c\u7531\u3067\u4f7f\u3046\u91ce\u671b\u306e\u7d9a\u304d\uff1a \u4ee5\u4e0b\u304b\u3089 jna.jar\u306e\u6700\u65b0\u7248\u3092\u5165\u624b Java Native Access (JNA) Download \u3053\u308c\u3092\u9069\u5f53\u306a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[54,91,52],"_links":{"self":[{"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/posts\/684"}],"collection":[{"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/comments?post=684"}],"version-history":[{"count":24,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/posts\/684\/revisions"}],"predecessor-version":[{"id":2116,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/posts\/684\/revisions\/2116"}],"wp:attachment":[{"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/media?parent=684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/categories?post=684"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/mechsys.tec.u-ryukyu.ac.jp\/~oshiro\/SiteList\/wp-json\/wp\/v2\/tags?post=684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}