{"id":230,"date":"2009-02-10T04:17:55","date_gmt":"2009-02-10T04:17:55","guid":{"rendered":"http:\/\/apollo89.com\/wordpress\/?p=230"},"modified":"2013-02-05T12:53:16","modified_gmt":"2013-02-05T03:53:16","slug":"%ec%9b%b9-%ed%94%84%eb%a0%88%ec%9e%84%ec%9b%8c%ed%81%ac%ec%9d%98-%eb%b9%84%ea%b5%90-wicket","status":"publish","type":"post","link":"https:\/\/apollo89.com\/wordpress\/?p=230","title":{"rendered":"\uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\uc758 \ube44\uad50 : Wicket"},"content":{"rendered":"

 <\/p>\n

Wicket \uc774\ub780 \ubb34\uc5c7\uc778\uac00? \uc544\ub798\ub294 Wicket \uc0ac\uc774\ud2b8\uc5d0\uc11c \uc778\uc6a9\ud55c \uc124\uba85\uc774\ub2e4.<\/p>\n

Wicket \uc740 \ub2e8\uc21c\ud568(Simplicity)\uacfc \uacc4\uce35\ud654(Separation of Concerns)\ub418\uc5b4 \uc788\uace0 \uc644\uc804\ud788 \uc0c8\ub85c\uc6b4 \uc218\uc900\uc73c\ub85c \uac1c\ubc1c\uc744
\n\uc6a9\uc774\ud558\uac8c \ud574\uc8fc\ub294 \uc790\ubc14 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc774\ub2e4. Wicket \ud398\uc774\uc9c0\ub294 \uc77c\ubc18\uc801\uc778 WYSIWYG HTML \ud234\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc791\uc131\ud560 \uc218 \uc788\ub2e4. \ub3d9\uc801\uc778 \ucee8\ud150\uce20 \ucc98\ub9ac\uc640 \ud3fc \ucc98\ub9ac\ub294 \uc5ec\ub7ec\ubd84\uc774 \uc88b\uc544\ud558\ub294 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc27d\uac8c \uc601\uc18d\ud654\ub420 \uc218 \uc788\ub294 POJO \ub370\uc774\ud130 \ube48\uc5d0 \uc758\ud55c \ucef4\ud3ec\ub10c\ud2b8 \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub450 \uc790\ubc14 \ucf54\ub4dc \ub0b4\uc5d0\uc11c \uc774\ub8e8\uc5b4\uc9c4\ub2e4.<\/p>\n

Wicket \uc740 \ucef4\ud3ec\ub10c\ud2b8(\uc6f9\uc744 \uc704\ud55c Swing\uc758 JComponent\ub97c \uc0dd\uac01\ud558\ub77c)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud504\ub860\ud2b8\uc5d4\ub4dc\uc758 \ube44\uc96c\uc5bc \ub514\uc790\uc778(HTML)\uc744 \ubc31\uc5d4\ub4dc \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ub85c\uc9c1(Java)\uc73c\ub85c\ubd80\ud130 \ubd84\ub9ac\ud55c\ub2e4. \ub610 \ub2e4\ub978 MVC \ud504\ub808\uc784\uc6cc\ud06c\uac00 \ub418\ub294 \ub300\uc2e0\uc5d0 Wicket\uc740 \uc804\ud1b5\uc801\uc778 GUI\uc640 \uac19\uc740 \uc774\ubca4\ud2b8 \uae30\ubc18\uc758 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0 \ub354 \uac00\uae5d\ub2e4. \uac01 ‘\ucef4\ud3ec\ub10c\ud2b8’\ub97c HTML \ucf54\ub4dc\ub85c \uc774\ub8e8\uc5b4\uc9c4 ‘view’ \ud30c\ud2b8\ub97c \uac16\uace0 \uc788\ub294 \uc791\uc740 MVC\ub85c \ubcfc \uc218 \uc788\ub2e4. \uc7a0\uc2dc \ud6c4\uc5d0 \uc54c\uac8c\ub418\uaca0\uc9c0\ub9cc, JSP\ucc98\ub7fc \ud398\uc774\uc9c0\uc5d0 \ub85c\uc9c1\uc774 \uc11e\uc774\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ubaa8\ub4e0 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ub85c\uc9c1\uc740 \uc790\ubc14 \ud074\ub798\uc2a4 \uc548\uc5d0 \ub4e4\uc5b4\uac04\ub2e4(\uc9c4\uc815\ud55c \uc5f0\uad00\uc758 \ubd84\ub9ac). \uc790\ubc14\ucf54\ub4dc\ub294 \ub300\ubd80\ubd84\uc758 \uc5b4\ub5a4 HTML \ud0dc\uadf8\uc5d0\ub3c4 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub294 \ud2b9\ubcc4\ud55c wicket:id \uc18d\uc131\uc744 \uc0ac\uc6a9\ud558\uc5ec HTML \ud398\uc774\uc9c0\uc5d0 \ud569\uccd0\uc9c4\ub2e4. wicket:id\ub294 Wicket \uc5d0\uac8c \uadf8 \ud0dc\uadf8\uc5d0 \ucef4\ud3ec\ub10c\ud2b8\ub97c \ub80c\ub354\ub9c1\ud560 \uac83\uc744 \uc54c\ub824\uc900\ub2e4. Wicket\uc740 \ucef4\ud3ec\ub10c\ud2b8\uc5d0 id\ub97c \uc124\uc815\ud568\uc73c\ub85c\uc368 \uc6f9\ud398\uc774\uc9c0\uc5d0
\n\uc720\ub2c8\ud06c\ud558\uac8c \uc815\uc758\ub418\ub294 Label, Link, List \ub4f1\uacfc \uac19\uc740 \ucef4\ud3ec\ub10c\ud2b8\uc640 \ubaa8\ub378\uc5d0 \uc758\ud574 \ud45c\ud604\ub418\ub294 \ucee8\ud150\uce20\ub97c \uac00\uc9c0\uace0 \uc788\ub2e4.<\/p>\n

\uc790 \uc774\uc81c \uc6b0\ub9ac\uc758 \uc608\uc81c\uc5d0 \ub300\ud574 \uc598\uae30\ud560 \uc2dc\uac04\uc774\ub2e4. \uc6b0\ub9ac\ub294 3\ud398\uc774\uc9c0\ub97c \ud45c\uc2dc\ud558\ub294 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4e4\ub824\uace0 \ud55c\ub2e4. \ud558\ub098\ub294 \ube14\ub85c\uadf8 \ubaa9\ub85d\uc744 \ubcf4\uc5ec\uc8fc\ub294 Home Page, \ub610 \ud558\ub098\ub294 \uac01 \ube14\ub85c\uadf8\uc758 \uc0c1\uc138 \ub0b4\uc6a9\uc744 \ubcf4\uc5ec\uc8fc\ub294 Blog Detail Page, \uadf8\ub9ac\uace0 \uc720\uc800\uac00 \uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \ud398\uc774\uc9c0(\uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \ube14\ub85c\uadf8 \uc5d4\ud2b8\ub9ac)\uc5d0 \uc811\uadfc\ud558\ub824\uace0 \ud560 \ub54c \ubcf4\uc5ec\uc9c8 \ud2b9\ubcc4\ud55c Page Not Found \ud398\uc774\uc9c0\uc774\ub2e4.<\/p>\n

Wicket \uc744 \uc0ac\uc6a9\ud558\uae30 \uc704\ud574\uc11c\ub294 \uba87\uac00\uc9c0 \uc694\uad6c\uc0ac\ud56d\uc774 \uc788\ub2e4. \uc8fc\uc694\ud55c \uc694\uad6c\uc0ac\ud56d\uc758 \ud55c\uac00\uc9c0\ub294 \uc5ec\ub7ec\ubd84\uc758 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc740 WebApplication<\/a>?\ud074\ub798\uc2a4\ub97c \ud655\uc7a5\ud55c \ud074\ub798\uc2a4\ub97c \uac00\uc838\uc57c \ud55c\ub2e4\ub294 \uac83\uc774\ub2e4. \uc774\uac83\uc740 Wicket\uc744 \ub2e4\ub978 \ud504\ub808\uc784\uc6cc\ud06c\uc640 \ub2e4\ub974\uac8c \ud558\ub294 \uc2dc\uc791\uc810\uc774\ub2e4. \ub0b4\uac00 \ubcf8 \ub300\ubd80\ubd84\uc758 \ub2e4\ub978 \uc6f9 \ud504\ub808\uc784\uc6cc\ud06c\ub294 “XML\uc5d0 \ub9e4\uc5ec\uc788\ub2e4.” \ud398\uc774\uc9c0\uc640 \uc0c1\ud638\uc791\uc6a9\uc744 \uc815\uc758\ud558\uae30 \uc704\ud574 \uc5ec\ub7ec\ubd84\uc740 \ud558\ub098 \ub610\ub294 \uadf8 \uc774\uc0c1\uc758 XML \ud30c\uc77c\uc744 \uc791\uc131\ud574\uc57c\ud55c\ub2e4. Struts\uc5d0\uc11c \uc5ec\ub7ec\ubd84\uc740 \ucd5c\uc18c\ud55c struts-config.xml \ud30c\uc77c\uc744 \uc791\uc131\ud574\uc57c \ud558\uace0, \ub9cc\uc57d Tiles\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uba74 \ub610 \ub2e4\ub978 XML \uc124\uc815 \ud30c\uc77c\uc744 \ud544\uc694\ub85c \ud55c\ub2e4. JSF\ub294 faces-config.xml\uc744 \uc791\uc131\ud574\uc57c \ud55c\ub2e4. XML\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc798\ubabb\ub41c \uac83\uc740 \uc544\ub2c8\uc9c0\ub9cc, \uc774\ub7ec\ud55c \uc811\uadfc\ubc29\ubc95\uc740 \uc5ec\ub7ec\ubd84\uc758 \ub85c\uc9c1\uc744 \uc5ec\ub7ec \uacf3\uc73c\ub85c \ud750\ud2b8\ub7ec\ub193\uace0, \uc774\uac83\uc740 \uc791\uc5c5\uc744 \ud558\uae30\uc5d0 \uc880 \ub354 \uace4\ub780\ud558\uac8c \ub9cc\ub4e0\ub2e4. \uc5ec\ub7ec\ubd84\uc774 Wicket\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uc815\ub9d0\ub85c \uc218\uc815\ud574\uc57c\ud560 \ud544\uc694\uac00 \uc788\ub294 XML \ud30c\uc77c\uc740 \uc624\uc9c1 web.xml \ud558\ub098 \ubc16\uc5d0 \uc5c6\ub2e4. \uadf8\ub9ac\uace0 \uc774\uac83\uc740 Wicket\ub9cc\uc758 \uc694\uad6c\uc0ac\ud56d\uc774 \uc544\ub2c8\ub77c \uc11c\ube14\ub9bf \uc2a4\ud399\uc758 \uc694\uad6c\uc0ac\ud56d\uc774\ub2e4.<\/p>\n

\uadf8\ub798\uc11c, \uc6b0\ub9ac\uc758 \uc608\uc81c \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub2e4\ub8f0 \uc11c\ube14\ub9bf\uc744 \uc815\uc758\ud558\uae30 \uc704\ud574 web.xml \uc5d0 \ub2e4\uc74c\uc744 \ucd94\uac00\ud55c\ub2e4.<\/p>\n

    <servlet>\r\n        <servlet-name>blog<\/servlet-name>\r\n        <servlet-class>wicket.protocol.http.WicketServlet<\/servlet-class>\r\n        <init-param>\r\n            <param-name>applicationClassName<\/param-name>\r\n            <param-value>org.javageek.wicket.BlogApplication<\/param-value>\r\n        <\/init-param>\r\n        <load-on-startup>1<\/load-on-startup>\r\n    <\/servlet>\r\n    <servlet-mapping>\r\n        <servlet-name>blog<\/servlet-name>\r\n        <url-pattern>\/app\/*<\/url-pattern>\r\n    <\/servlet-mapping><\/pre>\n
\ubcf4\ub294 \ubc14\uc640 \uac19\uc774 WicketServlet<\/a>?\uc11c\ube14\ub9bf\uc744 \uc815\uc758\ud558\uace0, \ucd08\uae30\ud654 \ud30c\ub77c\ubbf8\ud130\ub294 WebApplication \uc744 \ud655\uc7a5\ud558\ub294 \ud074\ub798\uc2a4\uc758 \uc644\uc804\ud55c classpath\uc774\ub2e4. \uadf8\uac83\uc740 \uc6b0\ub9ac\uc758 \uba54\uc778 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ud074\ub798\uc2a4\uc778 BlogApplication \uc774\ub2e4. \uc544\ub798\ub294 BlogApplication \ud074\ub798\uc2a4\uc758 \ucf54\ub4dc\uc774\ub2e4.<\/p>\n
package org.javageek.wicket;\r\n\r\nimport wicket.Application;\r\nimport wicket.protocol.http.WebApplication;\r\nimport wicket.settings.IMarkupSettings;\r\nimport domain.Blog;\r\nimport domain.BlogService;\r\n\r\npublic class BlogApplication extends WebApplication {\r\n\r\n    private BlogService blogService = new BlogService();\r\n\r\n    public BlogApplication() {}\r\n  \r\n\r\n    public static final BlogApplication instance() {\r\n        return (BlogApplication) Application.get();\r\n    }\r\n\r\n    public Blog getBlog() {\r\n        return blogService.getBlog();\r\n    }\r\n\r\n    public Class getHomePage() {\r\n        return Index.class;\r\n    }\r\n\r\n    protected void init() {\r\n        IMarkupSettings markupSettings = getMarkupSettings();\r\n        configure(DEVELOPMENT);\r\n        markupSettings.setStripWicketTags(true);\r\n        markupSettings.setDefaultMarkupEncoding(\"UTF-8\");\r\n        markupSettings.setStripXmlDeclarationFromOutput(false);\r\n\r\n        mountBookmarkablePage(\"\/index\", Index.class);\r\n        mountBookmarkablePage(\"\/viewBlogEntry\", ViewBlogEntry.class);\r\n    }\r\n}<\/pre>\n
\ucf54\ub4dc\uc5d0\uc11c \ubcf4\ub294 \ubc14\uc640 \uac19\uc774 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \uc124\uc815\uc740 \uc790\ubc14 \ucf54\ub4dc\uc758 init() \uba54\uc18c\ub4dc \uc548\uc5d0\uc11c \uc124\uc815\ub41c\ub2e4. \ub0b4\uac00 \uc0ac\uc6a9\ud55c \uc774\ub7ec\ud55c \uc124\uc815\uc758 \ub300\ubd80\ubd84\uc740 \uac1c\ubc1c\uc744 \uc704\ud55c \uac83\uc774\uc5b4\uc11c \uc790\uc138\ud55c \uc758\ubbf8\ub294 \uc124\uba85\ud558\uc9c0 \uc54a\uace0 \ub118\uc5b4\uac00\uaca0\ub2e4. Wicket \uc758 Javadoc API\ub97c \ucc38\uace0\ud558\uba74 \ub354 \uc790\uc138\ud788 \uc54c \uc218 \uc788\ub2e4. \uc6b0\ub9ac\uac00 \uad00\uc2ec\uc744 \uac00\uc838\uc57c\ud560 \uc8fc\uc694\ud55c \ucf54\ub4dc\ub294 \uad75\uc740 \uae00\uc528\uccb4\ub85c \ub098\uc628 \ubd80\ubd84\uc774\ub2e4. \uc774\uac83\uc740 \uc6b0\ub9ac\uac00 \ud648\ud398\uc774\uc9c0(\uc6b0\ub9ac\uc758 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uba54\uc778 \ud398\uc774\uc9c0)\ub85c\uc11c \uc751\ub2f5\ud560 \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc124\uc815\ud558\ub294 \ubd80\ubd84\uc774\uace0, \uc6b0\ub9ac\uc758 \ud648\ud398\uc774\uc9c0\uc778 Index \ud074\ub798\uc2a4\ub97c \ub9ac\ud134\ud558\uace0 \uc788\ub2e4.<\/p>\n
Wicket \ud398\uc774\uc9c0 \ucef4\ud3ec\ub10c\ud2b8\ub294 WebPage<\/a> \ud074\ub798\uc2a4\ub97c \ud655\uc7a5\ud574\uc57c\ud55c\ub2e4. \ub530\ub77c\uc11c \uc6b0\ub9ac\uc758 \ubaa8\ub4e0 \ud398\uc774\uc9c0\ub294 WebPage<\/a>\uc758 \uc11c\ube0c\ud074\ub798\uc2a4\uac00 \ub420 \uac83\uc774\ub2e4. \uadf8\ub7ec\ub098, \ubaa8\ub4e0 \ud398\uc774\uc9c0\uac00 \uc77c\uad00\ub418\uac8c \ubcf4\uc774\ub3c4\ub85d \ud558\uae30 \uc704\ud574 WebPage \ub97c \ud655\uc7a5\ud558\ub294 \ucd94\uc0c1 \ubca0\uc774\uc2a4 \ud074\ub798\uc2a4\ub97c \uc815\uc758\ud558\uace0 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ubaa8\ub4e0 \ud398\uc774\uc9c0\ub294 \uc774 \ud074\ub798\uc2a4\ub97c \ud655\uc7a5\ud558\ub3c4\ub85d \ud560 \uac83\uc774\ub2e4. BasePage \ub294 \ud398\uc774\uc9c0\uc5d0 \uacf5\ud1b5\ub41c \ucef4\ud3ec\ub10c\ud2b8\ub4e4\uc744 \ucd94\uac00\ud558\ub294 \ub9e4\uc6b0 \uae30\ubcf8\uc801\uc778 \ud074\ub798\uc2a4\uc774\ub2e4.<\/p>\n
package org.javageek.wicket;\r\n\r\nimport domain.Blog;\r\nimport wicket.markup.html.WebPage;\r\nimport wicket.markup.html.basic.Label;\r\n\r\npublic abstract class BasePage extends WebPage {\r\n\r\n    public BasePage() {\r\n        Blog blog = getBlog();\r\n        add(new Label(\"blogName\", blog.getName()));\r\n        add(new Label(\"blogDescription\", blog.getDescription()));\r\n    }\r\n\r\n    public Blog getBlog() {\r\n        return BlogApplication.instance().getBlog();\r\n    }\r\n}<\/pre>\n
\uc5ec\uae30\uc11c\ubd80\ud130 \uc7ac\ubbf8\uc788\ub294 \ubd80\ubd84\uc774 \uc2dc\uc791\ub41c\ub2e4. \ubcf4\ub294 \ubc14\uc640 \uac19\uc774, \ub09c \ub2e8\uc9c0 \uac01\uac01 id \uc2a4\ud2b8\ub9c1\uacfc content\ub97c \uac00\uc9c4 \ub450\uac1c\uc758 Label \ucef4\ud3ec\ub10c\ud2b8\ub97c \ucd94\uac00\ud588\ub2e4. Wicket\uc740 \ubaa8\ub4e0 \ucef4\ud3ec\ub10c\ud2b8\uc5d0 \ub300\ud574 \ubaa8\ub378\uc744 \uc815\uc758\ud558\uc9c0\ub9cc \ub610\ud55c Label\uc744 \uc704\ud574 \ub0b4\uac00 \uc0ac\uc6a9\ud55c \uac83\ucc98\ub7fc \ud3b8\ub9ac\ud55c \uba54\uc18c\ub4dc\ub97c \uc81c\uacf5\ud55c\ub2e4. Wicket\uc740 \ub0b4\uac00 \ud30c\ub77c\ubbf8\ud130\ub85c \ubcf4\ub0b8 \uc2a4\ud2b8\ub9c1\uc744 \ubaa8\ub378 \uac1d\uccb4\ub85c \uac10\uc300 \uac83\uc774\ub2e4. \ub530\ub77c\uc11c \ub09c Label\uacfc \uac19\uc774 \ub9e4\uc6b0 \uac04\ub2e8\ud55c \uc815\uc801\uc778 \ucef4\ud3ec\ub10c\ud2b8\uc758 \uacbd\uc6b0\uc5d0 \ub300\ud574 \uac71\uc815\ud560 \ud544\uc694\uac00 \uc5c6\ub2e4. \ud398\uc774\uc9c0 \ud074\ub798\uc2a4\uac00 \uc778\uc2a4\ud134\uc2a4\ud654 \ub41c \ud6c4\uc5d0 Label \ucef4\ud3ec\ub10c\ud2b8\ub294 \ub0b4\uac00 \uac01\uac01\uc758 id\ub97c \uc5b4\ub514\uc5d0 \uc0ac\uc6a9\ud558\uac74 \uac04\uc5d0 \ub80c\ub354\ub9c1\ud558\ub294 \ub3d9\uc548 HTML \ub0b4\uc5d0\uc11c \uc0ac\uc6a9\uac00\ub2a5\ud558\uac8c \ub420 \uac83\uc774\ub2e4.<\/p>\n
BasePage HTML\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD XHTML 1.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-transitional.dtd\">\r\n<html xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" xmlns:wicket=\"http:\/\/wicket.sourceforge.net\/\"\r\n      xml:lang=\"utf-8\"\r\n      lang=\"utf-8\">\r\n  <wicket:head>\r\n      <meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"\/>\r\n    <title wicket:id=\"pageTitle\">[Blog Entry Title]<\/title>\r\n    <link rel=\"stylesheet\" href=\"screen.css\" type=\"text\/css\" \/>\r\n  <\/wicket:head>\r\n  <body>\r\n    <div id=\"container\">\r\n      <h1><span wicket:id=\"blogName\">[Blog Name]<\/span><\/h1>\r\n      <h2><span wicket:id=\"blogDescription\">[Blog Description]<\/span><\/h2>\r\n      <wicket:child\/>\r\n    <\/div>\r\n  <\/body>\r\n<\/html><\/pre>\n
\ub09c BasePage \ud074\ub798\uc2a4\ub97c \ucd94\uc0c1 \ud074\ub798\uc2a4\ub85c \ub9cc\ub4e4\uc5c8\ub2e4. \ub530\ub77c\uc11c \uc5ec\ub7ec\ubd84\uc740 BasePage \ub97c \uc2e4\uc81c \ud398\uc774\uc9c0\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uace0 \ub300\uc2e0 \uc11c\ube0c\ud074\ub798\uc2a4\ub97c \ub9cc\ub4e4\uc5b4\uc11c \uc0ac\uc6a9\ud574\uc57c \ud55c\ub2e4. body \ubd80\ubd84\uc744 \uc880 \ub354 \uc790\uc138\ud788 \ubcf4\uba74, <wicket:child\/> \ud0dc\uadf8\uac00 \uc788\ub294\ub370 \uc774\uac83\uc740 BasePage \uc11c\ube0c\ud074\ub798\uc2a4\uc758 HTML \uc5d0 \uc758\ud574 \ub300\uccb4\ub420 \uac83\uc774\ub2e4. \uc6b0\ub9ac\ub294 BasePage \ub97c \uc11c\ube0c\ud074\ub798\uc2a4\ud560 \uac83\uc774\uae30 \ub54c\ubb38\uc5d0, \uc774 HTML \uc740 \ud398\uc774\uc9c0 \ud15c\ud50c\ub9bf\uc73c\ub85c\uc11c\uc758 \uc5ed\ud560\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n
Wicket \uc740 HTML \uc744 \ud30c\uc2f1\ud558\uace0 wicket:id \uc18d\uc131\uc744 \uac00\uc9c4 \uc5b4\ub5a4 \ud0dc\uadf8\ub77c\ub3c4 \ucef4\ud3ec\ub10c\ud2b8\uc758 id\uc5d0 \uc758\uac70\ud558\uc5ec \ucef4\ud3ec\ub10c\ud2b8\uc758 \ubaa8\ub378 \ucee8\ud150\uce20\ub85c \ub300\uccb4\ud558\ub294 \uc791\uc5c5\uc744 \ud55c\ub2e4.<\/p>\n
\uc6b0\ub9ac\uc758 \uba54\uc778 \ud398\uc774\uc9c0 \ud074\ub798\uc2a4\ub294 Index \ub294 BasePage\ub97c \uc11c\ube0c\ud074\ub798\uc2a4\uc2f1\ud558\uace0 3\uac1c\uc758 \uac00\uc7a5 \ucd5c\uadfc\uc758 \ube14\ub85c\uadf8 \uc5d4\ud2b8\ub9ac\ub97c \ub0a0\uc9dc\uc758 \uc5ed\uc21c\uc73c\ub85c \ubcf4\uc5ec\uc8fc\ub294 \ub85c\uc9c1\uc744 \ucc98\ub9ac\ud55c\ub2e4. \uac01\uac01\uc758 \ube14\ub85c\uadf8 \uc5d4\ud2b8\ub9ac\uc5d0 \ub300\ud574 \uc6b0\ub9ac\ub294 \uc81c\ubaa9\uacfc \ubc1c\ucdcc(“Read more” \ub9c1\ud06c\uc640 \ud568\uaed8) \ub610\ub294 \uc804\uccb4 \ubcf8\ubb38 \uadf8\ub9ac\uace0 \ube14\ub85c\uadf8\uac00 \uac8c\uc2dc\ub41c \ub0a0\uc9dc\ub97c \ubcf4\uc5ec\uc904 \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n
Index \ud398\uc774\uc9c0 \ud074\ub798\uc2a4\uc758 \ucf54\ub4dc\ub294 :<\/p>\n
package org.javageek.wicket;\r\n\r\nimport java.text.DateFormat;\r\nimport java.util.List;\r\nimport wicket.PageParameters;\r\nimport wicket.markup.html.basic.Label;\r\nimport wicket.markup.html.link.BookmarkablePageLink;\r\nimport wicket.markup.html.list.ListItem;\r\nimport wicket.markup.html.list.ListView;\r\nimport wicket.model.IModel;\r\nimport wicket.model.LoadableDetachableModel;\r\nimport wicket.util.string.Strings;\r\nimport domain.BlogEntry;\r\n\r\npublic class Index extends BasePage {\r\n\r\n    public Index() {\r\n        IModel entriesModel = new LoadableDetachableModel() {\r\n            @Override\r\n            protected Object load() {\r\n                return getBlog().getBlogEntries();\r\n            }\r\n        };\r\n\r\n        add(new ListView(\"blogEntries\", entriesModel) {\r\n            @Override\r\n            protected IModel getListItemModel(IModel model, int index) {\r\n                List entries = (List) model.getObject(this);\r\n                BlogEntry current = (BlogEntry) entries.get(index);\r\n                return new BlogEntryModel(current);\r\n            }\r\n\r\n            @Override\r\n            protected void populateItem(ListItem item) {\r\n                final BlogEntry entry = (BlogEntry) item.getModelObject();\r\n                final String excerpt = entry.getExcerpt();\r\n                final boolean hasExcerpt = !Strings.isEmpty(excerpt);\r\n                item.add(new Label(\"entryTitle\", entry.getTitle()));\r\n                PageParameters params = new PageParameters();\r\n                params.put(\"id\", entry.getId());\r\n                item.add(new BookmarkablePageLink(\"viewBlogEntry\",\r\n                        ViewBlogEntry.class, params) {\r\n                    @Override\r\n                    public boolean isVisible() {\r\n                        return hasExcerpt;\r\n                    }\r\n                });\r\n                if (hasExcerpt) {\r\n                    item.add(new Label(\"entryBody\", entry.getExcerpt())\r\n                            .setEscapeModelStrings(false));\r\n                } else {\r\n                    item.add(new Label(\"entryBody\", entry.getBody())\r\n                            .setEscapeModelStrings(false));\r\n                }\r\n                DateFormat df = DateFormat.getDateTimeInstance(DateFormat.LONG,\r\n                        DateFormat.LONG, getBlog().getLocale());\r\n                item.add(new Label(\"entryDate\", df.format(entry.getDate())));\r\n            }\r\n        });\r\n        add(new Label(\"pageTitle\", getBlog().getName()));\r\n    }\r\n\r\n}<\/pre>\n
\uadf8\ub9ac\uace0 Index \ud398\uc774\uc9c0\ub97c \uc704\ud55c \uc804\uccb4 HTML \uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
<wicket:extend>\r\n    <div class=\"blogEntry\" wicket:id=\"blogEntries\">\r\n    <h3 wicket:id=\"entryTitle\">[Blog Entry Title]<\/h3>\r\n    <div wicket:id=\"entryBody\">[Blog Entry Body]<\/div>\r\n    <p><a href=\"#\" wicket:id=\"viewBlogEntry\">Read more<\/a><\/p>\r\n    <p>Posted on <span wicket:id=\"entryDate\">[Blog Entry Date]<\/span><\/p>\r\n    <\/div>\r\n<\/wicket:extend><\/pre>\n
\ubcf4\ub294 \ubc14\uc640 \uac19\uc774, \ub098\ub294 \uc8fc\ub85c \uc790\ubc14 \ucf54\ub4dc\ub97c \uc774\uc6a9\ud558\uace0 Wicket \uc5d0\uac8c \ucef4\ud3ec\ub10c\ud2b8\ub97c \uc5b4\ub514\uc11c \uc5b4\ub5bb\uac8c \ub80c\ub354\ub9c1\ud558\ub294\uc9c0 \ub9d0\ud558\ub294 \ub9e4\uc6b0 \uc801\uc740 \uc591\uc758 HTML \ucf54\ub4dc\ub9cc\uc73c\ub85c \uc6f9\ud398\uc774\uc9c0\ub97c \uc0dd\uc131\ud588\ub2e4. \ub610\ud55c wicket:id \uc18d\uc131\uc740 \uac70\uc758 \ub300\ubd80\ubd84\uc758 \uc5b4\ub5a4 HTML \ud0dc\uadf8\uc5d0\ub3c4 \uc801\uc6a9\ub420 \uc218 \uc788\ub2e4. \uc774\uc81c \ub098\ub294 Wicket \uc758 \ubaa8\ub378\uc774 \uc5b4\ub5bb\uac8c \uc791\uc6a9\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \ub354 \uc774\uc0c1 \uc790\uc138\ud788 \ub2e4\ub8e8\uc9c0\ub294 \uc54a\uc744 \uac83\uc774\ub2e4. \uadf8\ub7ec\ub098 Wicket \uc740 IModel<\/a> \uacfc \uac19\uc740 \uba87 \uac00\uc9c0 \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc774\uc6a9\ud574\uc11c \ub3c4\uba54\uc778 \uac1d\uccb4\ub85c\ubd80\ud130 Wicket \ubaa8\ub378 \uac1d\uccb4\ub85c \ubaa8\ub378\uc758 \ubd84\ub9ac\ub97c \uc81c\uacf5\ud55c\ub2e4\uace0 \ub9d0\ud560 \uc218 \uc788\ub2e4.<\/p>\n
\ud55c \uac00\uc9c0 \uc9c0\uc801\ud558\uace0 \uc2f6\uc740 \ud765\ubbf8\ub85c\uc6b4 \ubd80\ubd84\uc740 BookmarkablePageLink<\/a>(\ubcfc\ub4dc\uccb4\ub85c \ub098\uc628 \ubd80\ubd84)\uc758 isVisible \uba54\uc18c\ub4dc\ub97c \uc624\ubc84\ub77c\uc774\ub529\ud568\uc73c\ub85c\uc368 “Read more” \ub9c1\ud06c\uac00 \uc870\uac74\uc801\uc73c\ub85c \ud45c\uc2dc\ub41c\ub2e4\ub294 \uac83\uc774\ub2e4. \uadf8\ub9ac\uace0 \uc774\uac83\uc774 \uc0ac\ub78c\ub4e4\uc774 \ubcf4\ud1b5 \ub2e4\ub978 \ud504\ub808\uc784\uc6cc\ud06c\uc5d0\uc11c \uc775\uc219\ud55c \uac83 \ucc98\ub7fc HTML(\ub610\ub294 jsp) \uc548\uc5d0\uc11c\uac00 \uc544\ub2c8\ub77c \uc790\ubc14 \ucf54\ub4dc\uc5d0\uc11c \ucc98\ub9ac\ub41c\ub2e4\ub294 \uac83\uc774\ub2e4. \uc9c0\uae08\uae4c\uc9c0 \uc6b0\ub9ac\uc758 \uba54\uc778 \ud398\uc774\uc9c0\ub97c \ub2e4\ub8e8\uc5c8\uace0, \uc774\uc81c \ub2e4\ub978 \ud398\uc774\uc9c0\uac00 \uc5b4\ub5bb\uac8c \uc774\ub8e8\uc5b4\uc9c0\ub294\uc9c0 \uc0b4\ud3b4\ubcf4\uc790.<\/p>\n
Blog detail Page<\/p>\n
\uc774 \ud398\uc774\uc9c0\ub294 \ud55c\uac00\uc9c0\ub9cc \uc81c\uc678\ud558\uba74 \uc2e4\uc81c\ub85c \ub9e4\uc6b0 \uac04\ub2e8\ud558\ub2e4. \uc544\ub798\uc5d0 \ucf54\ub4dc\uac00 \uc788\ub2e4.<\/p>\n
package org.javageek.wicket;\r\n\r\nimport java.text.DateFormat;\r\nimport wicket.PageParameters;\r\nimport wicket.RestartResponseException;\r\nimport wicket.markup.html.basic.Label;\r\nimport domain.Blog;\r\nimport domain.BlogEntry;\r\n\r\npublic class ViewBlogEntry extends BasePage {\r\n\r\n    public ViewBlogEntry(PageParameters parameters) throws Exception {\r\n        super();\r\n        Blog blog = getBlog();\r\n        BlogEntry entry = blog.getBlogEntry(parameters.getLong(\"id\"));\r\n        if (null == entry) {\r\n            throw new RestartResponseException(PageNotFound.class);\r\n        } else {\r\n            add(new Label(\"entryTitle\", entry.getTitle()));\r\n            add(new Label(\"entryBody\", entry.getBody())\r\n                    .setEscapeModelStrings(false));\r\n            add(new Label(\"pageTitle\", entry.getTitle() + \" : \"\r\n                    + blog.getName()));\r\n            DateFormat df = DateFormat.getDateTimeInstance(DateFormat.LONG,\r\n                    DateFormat.LONG, getBlog().getLocale());\r\n            add(new Label(\"entryDate\", df.format(entry.getDate())));\r\n        }\r\n    }\r\n\r\n}<\/pre>\n
\uadf8\ub9ac\uace0 \uc544\ub798\ub294 HTML \ucf54\ub4dc\uc774\ub2e4.<\/p>\n
<wicket:extend>\r\n    <div class=\"blogEntry\">\r\n    <h3 wicket:id=\"entryTitle\">[Blog Entry Title]<\/h3>\r\n    <div wicket:id=\"entryBody\">[Blog Entry Body]<\/div>\r\n    <p>Posted on <span wicket:id=\"entryDate\">[Blog Entry Date]<\/span><\/p>\r\n    <\/div>\r\n<\/wicket:extend><\/pre>\n
\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c \ud55c \uac00\uc9c0 \uc54c\uc544\ub450\uc5b4\uc57c \ud560 \uc810\uc740 GET \ub610\ub294 POST \uc694\uccad\uc744 \ud3b8\ub9ac\ud558\uac8c Map \uac1d\uccb4\ub85c \uac10\uc2fc \ud398\uc774\uc9c0 \ud30c\ub77c\ubbf8\ud130\ub97c \uc778\uc790\ub85c \uc81c\uacf5\ud558\ub294 WebPage \uc758 \uc0dd\uc131\uc790\ub97c \uc624\ubc84\ub77c\uc774\ub529 \ud558\uace0 \uc788\ub2e4\ub294 \uac83\uc774\ub2e4. \ub610\ud55c \uc774\ub7ec\ud55c \ud30c\ub77c\ubbf8\ud130\ub4e4 \uc911 \uc5b4\ub5a0\ud55c \uac83 \uc6b0\ub9ac\uc758 \uacbd\uc6b0\uc5d0\ub294 \uc720\ud6a8\ud558\uc9c0 \uc54a\uc740 \uc5d4\ud2b8\ub9ac id)\uc774\ub77c\ub3c4 null \uc5d4\ud2b8\ub9ac\ub97c \uc0dd\uc131\ud55c\ub2e4\uba74, PageNotFound \ud398\uc774\uc9c0 \ud074\ub798\uc2a4\ub85c \ub9ac\ub2e4\uc774\ub809\ud2b8 \uc2dc\ud0a8\ub2e4.<\/p>\n
\uc544\ub798\ub294 PageNotFound \ud398\uc774\uc9c0 \ud074\ub798\uc2a4\ub97c \uc704\ud55c \ucf54\ub4dc\uc774\uace0, \uae30\ubcf8\uc801\uc73c\ub85c \uc774 \ud398\uc774\uc9c0\ub294 \uc751\ub2f5 \uc0c1\ud0dc \ucf54\ub4dc\ub97c 404\ub85c \uc124\uc815\ud55c\ub2e4.<\/p>\n
package org.javageek.wicket;\r\n\r\nimport wicket.markup.html.basic.Label;\r\nimport wicket.protocol.http.WebResponse;\r\n\r\npublic class PageNotFound extends BasePage {\r\n\r\n    public PageNotFound() {\r\n        add(new Label(\"pageTitle\", BlogApplication.instance().getBlog()\r\n                .getName()));\r\n    }\r\n\r\n    @Override\r\n    protected void configureResponse() {\r\n        WebResponse wr = getWebRequestCycle().getWebResponse();\r\n        wr.getHttpServletResponse().setStatus(404);\r\n    }\r\n\r\n}<\/pre>\n
\uc774\uac83\uc73c\ub85c \uc644\uc131\uc774\ub2e4. \uc6b0\ub9ac\ub294 \ubc29\uae08 Wicket \uc744 \uc0ac\uc6a9\ud558\uc5ec \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \ub9cc\ub4e4\uc5c8\ub2e4.<\/p>\n
\uc694\uc57d<\/p>\n
Wicket \uc740 \ub098\uc758 \uacac\ud574\ub85c\ub294 \uac1c\ubc1c\uc758 \ub178\ub825\uc744 \uc790\ubc14 \ucf54\ub4dc\uc548\uc5d0\uc11c \uc774\ub8e8\uc5b4\uc9c0\uac8c \ud568\uc73c\ub85c\uc368 \uc62c\ubc14\ub978 \uacf3\uc73c\ub85c \uc9d1\uc911\uc2dc\ud0a8\ub2e4. \uadf8\ub9ac\uace0 \ub514\uc790\uc778 \ubd80\ubd84\uc740 \uadf8\uac83\uc774 \uc788\uc5b4\uc57c\ud558\ub294 HTML \ub85c \ub0a8\uaca8\ub454\ub2e4. \ub108\ubb34\ub098 \ub9ce\uc740 \uac1c\ubc1c\uc790\ub4e4\uc774 \ub2e4\ub978 \ud504\ub808\uc784\uc6cc\ud06c\ub97c \uc774\uc6a9\ud558\uc5ec JSTL \uacfc jsp \uc758 \uc2a4\ud06c\ub9bd\ud2c0\ub9bf\uc5d0 \uc758\uc874\ud558\uc5ec \ud398\uc774\uc9c0\uc758 \ub85c\uc9c1\uc744 \ud504\ub85c\uadf8\ub798\ubc0d\ud558\ub3c4\ub85d ‘\uac15\uc81c\ub418\uc5b4’ \uc654\uae30 \ub54c\ubb38\uc5d0 \ucc98\uc74c\uc5d0 \uc5ec\ub7ec\ubd84\uc740 \uc774\ub7ec\ud55c \ud328\ub7ec\ub2e4\uc784\uc758 \ubcc0\ud654\uc5d0 \uc801\uc751\ud558\uae30\uac00 \uc870\uae08 \uc5b4\ub824\uc6b8 \uc218\ub3c4 \uc788\ub2e4. \ud558\uc9c0\ub9cc \uc5ec\ub7ec\ubd84\uc774 \uc77c\ub2e8 \uc774\uac83\uc5d0 \uc775\uc219\ud574\uc9c0\uba74, Wicket \uc740 \uc815\ub9d0\ub85c \uc2e0\uc18d\ud55c \uac1c\ubc1c\uc744 \uc81c\uacf5\ud574\uc904 \uac83\uc774\ub77c\uace0 \ud655\uc2e0\ud55c\ub2e4.<\/p>\n
\ucc38\uace0 :
\nhttp:\/\/javageek.org\/2006\/03\/08\/comparing_web_frameworks_wicket.html<\/a>
\nhttp:\/\/javageek.org\/2006\/03\/14\/migrating_wicket_example_to_wicket_1_2_beta_1.html<\/a><\/p>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
  Wicket \uc774\ub780 \ubb34\uc5c7\uc778\uac00? \uc544\ub798\ub294 Wicket \uc0ac\uc774\ud2b8\uc5d0\uc11c \uc778\uc6a9\ud55c \uc124\uba85\uc774\ub2e4. Wicket \uc740 \ub2e8\uc21c\ud568(Simplicity)\uacfc \uacc4\uce35\ud654(Separation of Concerns)\ub418\uc5b4 \uc788\uace0 \uc644\uc804\ud788 \uc0c8\ub85c\uc6b4 \uc218\uc900\uc73c\ub85c \uac1c\ubc1c\uc744 \uc6a9\uc774\ud558\uac8c \ud574\uc8fc\ub294 \uc790\ubc14 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc774\ub2e4. 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Wicket \uc740 \ub2e8\uc21c\ud568(Simplicity)\uacfc \uacc4\uce35\ud654(Separation of Concerns)\ub418\uc5b4 \uc788\uace0 \uc644\uc804\ud788 \uc0c8\ub85c\uc6b4 \uc218\uc900\uc73c\ub85c \uac1c\ubc1c\uc744 \uc6a9\uc774\ud558\uac8c \ud574\uc8fc\ub294 \uc790\ubc14 \uc6f9 \uc5b4\ud50c\ub9ac\ucf00\uc774\uc158 \ud504\ub808\uc784\uc6cc\ud06c\uc774\ub2e4. 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