{"id":321,"date":"2009-06-05T08:23:50","date_gmt":"2009-06-05T08:23:50","guid":{"rendered":"http:\/\/apollo89.com\/wordpress\/?p=321"},"modified":"2013-02-03T00:15:50","modified_gmt":"2013-02-02T15:15:50","slug":"dwrdirect-web-remoting-%ec%9d%98-reverse-ajax-%ec%99%80-jetty%ec%9d%98-%ec%a1%b0%ed%95%a9-%ed%99%98%ec%83%81","status":"publish","type":"post","link":"https:\/\/apollo89.com\/wordpress\/?p=321","title":{"rendered":"DWR(Direct Web Remoting) \uc758 Reverse Ajax \uc640 Jetty\uc758 \uc870\ud569 = \ud658\uc0c1!!"},"content":{"rendered":"

 <\/p>\n

\uc774\ubc88 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud575\uc2ec \uae30\ub2a5\uc740 \uc11c\ubc84(Java \ucee8\ud14c\uc774\ub108) \ucabd\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8(\uac01 \ube0c\ub77c\uc6b0\uc838)\ub4e4\uc5d0\uac8c \ud2b9\uc815 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c 5\ucd08 \ub0b4\uc5d0 \uc54c\ub9bc\uc744 \uc8fc\ub294 \uac83\uc774\ub2e4.(\ud31d\uc5c5\/\uacbd\ubcf4 \uc18c\ub9ac \ub4f1.)<\/p>\n

\ubcf4\ud1b5\uc740 Ajax\ub97c \uc368\uc11c \uc8fc\uae30\uc801\uc73c\ub85c Polling \ud574\uc624\uac70\ub098, \ud398\uc774\uc9c0 \ub9ac\ub85c\ub529 \ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ud558\uc9c0\ub9cc, 5\ucd08\ub0b4\uc5d0 \uc751\ub2f5\uc744 \ud574\uc918\uc57c \ud55c\ub2e4\ub294 \uc81c\uc57d \uc0ac\ud56d \ub54c\ubb38\uc5d0 Pollong \ud558\uac8c \ub418\uba74 \uc5f4\ub9b0 \ube0c\ub77c\uc6b0\uc838\ub9cc\ud07c\uc758 \uc801\uc5b4\ub3c4 5\ucd08\uc5d0 1\ubc88\uc529\uc758 \ubd80\ud558\uac00 \uc11c\ubc84\uc5d0 \uc804\ub2ec\ub418\uae30 \ub54c\ubb38\uc5d0 \uc5c4\uccad\ub09c \ud2b8\ub808\ud53d \ub0ad\ube44\uc77c\ubfd0 \uc544\ub2c8\ub77c \ube44\ud6a8\uc728\uc801\uc774\ub2e4.(\ub610\ud55c \uac70\uc758 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub294 \uc774\ubca4\ud2b8\uc774\ub2e4.)<\/p>\n

\uadf8\ub798\uc11c Polling \ud558\uc9c0 \uc54a\uace0 \uad6c\ud604\ud558\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud560\uae4c \uc0dd\uac01\ud574 \ubcf4\uc558\ub2e4.
\n1. \uc11c\ubc84\uc5d0\uc11c \uc774\ubca4\ud2b8 \uac10\uc9c0\ub97c \ud560 \uc218 \uc788\uc5b4\uc57c \ud558\uace0,
\n2. \uc11c\ubc84\uc5d0\uc11c \uc790\uc2e0\uc5d0\uac8c \ubd99\uc5b4\uc788\ub294 \ud074\ub77c\uc774\uc5b8\ud2b8\ub4e4\uc758 \ub9ac\uc2a4\ud2b8\ub97c \uc54c\uc544\uc57c \ud558\uace0
\n3. \uc11c\ubc84\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8\ub4e4\uc5d0\uac8c \uba54\uc138\uc9c0\ub97c \uc804\ub2ec\ud560 \uc218 \uc788\uc5b4\uc57c \ud55c\ub2e4.<\/p>\n

\uadf8\ub807\uac8c \uc11c\ubc84 \ud478\uc2dc\uc5d0 \uad00\ub828\ub41c \uc790\ub8cc\ub97c \ucc3e\ub2e4\uac00 \ub9e4\uc6b0 \uc720\uc6a9\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc54c\uac8c \ub418\uc5c8\ub2e4. \ubc14\ub85c DWR(Direct Web Remoting)\uc774\ub2e4!!<\/p>\n

DWR\uc758 \ud648\ud398\uc774\uc9c0(http:\/\/directwebremoting.org\/<\/a>)\uc5d0\uc11c \ubcf4\uba74 DWR\uc744 \uc774\ub807\uac8c \uc124\uba85\ud558\uace0\uc788\ub2e4.<\/p>\n

DWR is a Java library that enables Java on the server and JavaScript in a browser to interact and call each other as simply as possible.<\/p>\n

\uc989, \uc11c\ubc84\uc758 \uc790\ubc14 \uc11c\ube14\ub9bf\uacfc \ube0c\ub77c\uc6b0\uc838\uc758 \uc790\ubc14\uc2a4\ud06c\ub9bd\ud2b8\uac00 \uc11c\ub85c \uc0c1\ud638\uc791\uc6a9 \ud560 \uc218 \uc788\ub2e4\ub294 \ub9d0\uc774\ub2e4!!<\/p>\n

\uc815\ub9d0 \ub180\ub77c\uc6e0\ub2e4!!\u314b<\/p>\n

\uc2e4\uc81c\ub85c \ud14c\uc2a4\ud2b8\ud558\uba74\uc11c \uc544\ub798\uc758 \uc0ac\uc774\ud2b8\ub97c \ucc38\uace0\ud558\uc600\ub2e4.<\/p>\n

\uc790\ubc14 \uac1c\ubc1c\uc790\ub97c \uc704\ud55c Ajax: Jetty\uc640 Direct Web Remoting\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud655\uc7a5 \uac00\ub2a5\ud55c Comet \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\ud558\uae30
\nhttps:\/\/www.ibm.com\/developerworks\/kr\/library\/j-jettydwr\/<\/a><\/p>\n

\uae30\ubcf8\uad6c\uc870\ub294 IBM\uc758 \uc790\ub8cc\ub97c \ucc38\uace0\ud558\uba74\uc11c DWR\uc758 \uac1c\ub150\uacfc \uc791\ub3d9\uc6d0\ub9ac\ub294 \ub2e4\ub978 \uc5ec\ub7ec \ube14\ub7ec\uadf8\uc640 \uce74\ud398, DWR\uc758 \ud648\ud398\uc774\uc9c0\uc5d0\uc11c \uc5bb\uc5c8\ub2e4.<\/p>\n

\ud2b9\ud788 IBM\uc758 \uc790\ub8cc\ub294 DWR\uc758 Reverse Ajax \uae30\ub2a5\uacfc Jetty\uc758 Continuations\uc758 \uae30\ub2a5\uc774 \uc798 \uc124\uba85\uc774 \ub418\uc5b4\uc788\ub2e4.<\/p>\n

\uadf8\ub7f0\ub370 \uc544\ubb34\ub9ac IBM\uc758 \uc790\ub8cc \ub418\ub85c \ud574\ub3c4 \ub3d9\uc791\uc744 \ud558\uc9c0 \uc54a\uc544\uc11c \ub9ce\uc774 \uace0\uc0dd\ud588\ub2e4..
\n(\ub2e4\ub978 \ubd84\ub4e4\uc740 \uae08\ubc29 \uc27d\uac8c \uc798\ud558\uc2e0 \uac83 \uac19\ub358\ub370…OTL)<\/p>\n

\ubb38\uc81c\ub294 ReverseAjaxTracker \ud074\ub798\uc2a4\uc5d0 \uc788\uc5c8\ub2e4..<\/p>\n

\uae30\uc874\ucf54\ub4dc :<\/p>\n

\r\n...\r\nprivate ServerContext sctx;\r\n  public ReverseAjaxTracker() {\r\n    WebContext wctx = WebContextFactory.get();\r\n    sctx = ServerContextFactory.get(wctx.getServletContext());\r\n    RandomWalkGenerator.getInstance().addListener(this);\r\n  }\r\n  public void onCoord(GpsCoord gpsCoord) {\r\n    ScriptBuffer script = new ScriptBuffer();\r\n    script.appendScript(\"updateCoordinate(\").appendData(gpsCoord).appendScript(\");\");\r\n    \/\/ Push change out to clients viewing the page\r\n    Collection<ScriptSession> sessions = new HashSet<ScriptSession>();        \r\n    sessions.addAll(sctx.getScriptSessionsByPage(trackerPageUrl));\r\n    System.out.println(sessions.size());\r\n  \r\n    for (ScriptSession session : sessions) {\r\n      session.addScript(script);\r\n    }   \r\n  }\r\n...\r\n<\/pre>\n
\uc704\uc640 \uac19\uc774\ud558\uba74 sessions\uc758 \uac1c\uc218\uac00 \uc790\uafb8 ‘0’\uc774 \ub098\uc640\uc11c \ub3d9\uc791\ud558\uc9c0 \uc54a\ub294\ub2e4..<\/p>\n
\uadf8\ub798\uc11c \uc544\ub798\uc640 \uac19\uc774 \uc218\uc815\ud588\ub2e4.<\/p>\n
...\r\n  private WebContext webContext; \r\n  private ServletContext servletContext;\r\n  private ServerContext serverContext;\r\n \r\n  public ReverseAjaxTracker() {\r\n    webContext = WebContextFactory.get();\r\n    servletContext = webContext.getServletContext();  \r\n    serverContext = ServerContextFactory.get(servletContext);  \r\n    RandomWalkGenerator.getInstance().addListener(this);\r\n  }\r\n  public void onCoord(GpsCoord gpsCoord) {\r\n   String contextPath = servletContext.getContextPath(); \r\n   if (contextPath != null)  {  \r\n    Collection<ScriptSession> sessions = serverContext.getScriptSessionsByPage(contextPath + \"\/dwr-tracker.html\");\r\n     System.out.println(\"Collection<ScriptSession> sessions : \" + sessions.size());\r\n      \r\n    ScriptProxy proxy = new ScriptProxy(sessions);  \r\n    proxy.addFunctionCall(\"updateCoordinate\", gpsCoord);  \r\n   }  \r\n  }\r\n...<\/pre>\n
\uc704\uc640 \uac19\uc774 \ud558\ub2c8\uae4c \uc798 \ub3d9\uc791\ud588\ub2e4..\u3160\u3160<\/p>\n
\uc774\ubc88 \ud504\ub85c\uc81d\ud2b8\ub294 \uc880 \uc2e0\uc120\ud55c \ub3c4\uc804\uc73c\ub85c \ub9ce\uc740 \uc2dc\ub3c4\ub97c \ud574\ubcf4\ub824\uace0 \ud55c\ub2e4.<\/p>\n
\uac04\ub2e8\ud558\uac8c \uc8fc\uc694 \ud0a4\uc6cc\ub4dc\ub4e4\uc744 \uc0dd\uac01\ud574\ubcf4\uba74 \uc544\ub798 \uc815\ub3c4\uac00 \ub420 \uac83 \uac19\ub2e4.<\/p>\n
Maven, GIT, Hudson, Junit, Spring2.5, iBatis, Tiles, Jetty, Extis, DWR(Comet, Reverse Ajax), Oracle, Mysql<\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
  \uc774\ubc88 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud575\uc2ec \uae30\ub2a5\uc740 \uc11c\ubc84(Java \ucee8\ud14c\uc774\ub108) \ucabd\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8(\uac01 \ube0c\ub77c\uc6b0\uc838)\ub4e4\uc5d0\uac8c \ud2b9\uc815 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c 5\ucd08 \ub0b4\uc5d0 \uc54c\ub9bc\uc744 \uc8fc\ub294 \uac83\uc774\ub2e4.(\ud31d\uc5c5\/\uacbd\ubcf4 \uc18c\ub9ac \ub4f1.) \ubcf4\ud1b5\uc740 Ajax\ub97c \uc368\uc11c \uc8fc\uae30\uc801\uc73c\ub85c Polling \ud574\uc624\uac70\ub098, \ud398\uc774\uc9c0 \ub9ac\ub85c\ub529 \ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ud558\uc9c0\ub9cc, 5\ucd08\ub0b4\uc5d0 \uc751\ub2f5\uc744 \ud574\uc918\uc57c \ud55c\ub2e4\ub294 \uc81c\uc57d \uc0ac\ud56d \ub54c\ubb38\uc5d0 Pollong … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[662,600,693],"tags":[395,389,396,397,390,398,399,253,393,400,401,402,403],"class_list":["post-321","post","type-post","status-publish","format-standard","hentry","category-java-jsp","category-javascript-html","category-webwas","tag-addfunctioncall","tag-comet","tag-continuations","tag-direct-web-remoting","tag-dwr","tag-getscriptsessionsbypage","tag-ibm","tag-jetty","tag-reverse-ajax","tag-reverseajaxtracker","tag-scriptproxy","tag-serverpush","tag-403"],"yoast_head":"\nDWR(Direct Web Remoting) \uc758 Reverse Ajax \uc640 Jetty\uc758 \uc870\ud569 = \ud658\uc0c1!! - Apollo89.com<\/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:\/\/apollo89.com\/wordpress\/?p=321\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DWR(Direct Web Remoting) \uc758 Reverse Ajax \uc640 Jetty\uc758 \uc870\ud569 = \ud658\uc0c1!! - Apollo89.com\" \/>\n<meta property=\"og:description\" content=\"  \uc774\ubc88 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \ud575\uc2ec \uae30\ub2a5\uc740 \uc11c\ubc84(Java \ucee8\ud14c\uc774\ub108) \ucabd\uc5d0\uc11c \ud074\ub77c\uc774\uc5b8\ud2b8(\uac01 \ube0c\ub77c\uc6b0\uc838)\ub4e4\uc5d0\uac8c \ud2b9\uc815 \uc774\ubca4\ud2b8\uac00 \ubc1c\uc0dd\ud588\uc744 \ub54c 5\ucd08 \ub0b4\uc5d0 \uc54c\ub9bc\uc744 \uc8fc\ub294 \uac83\uc774\ub2e4.(\ud31d\uc5c5\/\uacbd\ubcf4 \uc18c\ub9ac \ub4f1.) \ubcf4\ud1b5\uc740 Ajax\ub97c \uc368\uc11c \uc8fc\uae30\uc801\uc73c\ub85c Polling \ud574\uc624\uac70\ub098, \ud398\uc774\uc9c0 \ub9ac\ub85c\ub529 \ud558\ub294 \ubc29\uc2dd\uc73c\ub85c \ud558\uc9c0\ub9cc, 5\ucd08\ub0b4\uc5d0 \uc751\ub2f5\uc744 \ud574\uc918\uc57c \ud55c\ub2e4\ub294 \uc81c\uc57d \uc0ac\ud56d \ub54c\ubb38\uc5d0 Pollong … Continue reading →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/apollo89.com\/wordpress\/?p=321\" \/>\n<meta property=\"og:site_name\" content=\"Apollo89.com\" \/>\n<meta property=\"article:published_time\" content=\"2009-06-05T08:23:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2013-02-02T15:15:50+00:00\" \/>\n<meta name=\"author\" content=\"apollo89\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"apollo89\" \/>\n\t<meta name=\"twitter:label2\" content=\"\uc608\uc0c1 \ub418\ub294 \ud310\ub3c5 \uc2dc\uac04\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321\"},\"author\":{\"name\":\"apollo89\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/#\\\/schema\\\/person\\\/93f56825cac3b2f18e5f107995066c82\"},\"headline\":\"DWR(Direct Web Remoting) \uc758 Reverse Ajax \uc640 Jetty\uc758 \uc870\ud569 = \ud658\uc0c1!!\",\"datePublished\":\"2009-06-05T08:23:50+00:00\",\"dateModified\":\"2013-02-02T15:15:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321\"},\"wordCount\":91,\"commentCount\":0,\"keywords\":[\"addFunctionCall\",\"Comet\",\"Continuations\",\"Direct Web Remoting\",\"DWR\",\"getScriptSessionsByPage\",\"IBM\",\"Jetty\",\"Reverse AJAX\",\"ReverseAjaxTracker\",\"ScriptProxy\",\"ServerPush\",\"\uc11c\ubc84\ud478\uc2dc\"],\"articleSection\":[\"Java\\\/JSP\",\"Javascript\\\/Html\",\"WEB\\\/WAS\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321\",\"url\":\"https:\\\/\\\/apollo89.com\\\/wordpress\\\/?p=321\",\"name\":\"DWR(Direct Web Remoting) \uc758 Reverse Ajax \uc640 Jetty\uc758 \uc870\ud569 = \ud658\uc0c1!! 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