{"id":1981,"date":"2022-12-06T18:23:42","date_gmt":"2022-12-06T09:23:42","guid":{"rendered":"https:\/\/esoro.jp\/?p=1981"},"modified":"2022-12-06T18:23:42","modified_gmt":"2022-12-06T09:23:42","slug":"%e9%9d%9e%e6%8e%a8%e5%a5%a8%e3%81%a8%e3%81%aa%e3%81%a3%e3%81%a6%e3%81%84%e3%81%9fjava-faces%e3%82%92cdi%e3%81%ab%e3%83%aa%e3%83%97%e3%83%ac%e3%82%a4%e3%82%b9%e3%81%97%e3%81%a6%e3%81%bf%e3%81%9f","status":"publish","type":"post","link":"https:\/\/esoro.jp\/?p=1981","title":{"rendered":"\u975e\u63a8\u5968\u3068\u306a\u3063\u3066\u3044\u305fJava.faces\u3092CDI\u306b\u30ea\u30d7\u30ec\u30a4\u30b9\u3057\u3066\u307f\u305f"},"content":{"rendered":"<p>\u30007\u5e74\u524d\u304f\u3089\u3044\u306b\u4f5c\u3063\u305fWebLogic\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u30a2\u30d7\u30ea\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001Java.faces\u7cfb\u306eDI\u5b9f\u88c5\u304c\u3060\u3044\u3076\u524d\u304b\u3089\u975e\u63a8\u5968\u3068\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u3001\u3069\u3053\u304b\u3067\u5bfe\u5fdc\u3057\u306a\u3044\u3068\u306a\u3042\uff5e\u3068\u601d\u3063\u3066\u3044\u3066\u304b\u3089\u6570\u5e74\u7d4c\u3061\u307e\u3057\u305f\u304c\u3001\u6642\u9593\u304c\u53d6\u308c\u305f\u306e\u3067CDI\u5b9f\u88c5\u306b\u7f6e\u304d\u63db\u3048\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<p>\u3000\u307e\u305a\u3001\u7c21\u5358\u306a\u3068\u3053\u308d\u3067\u306f\u3001javax.faces.bean.RequestScoped \u7b49\u306e\u30b9\u30b3\u30fc\u30d7\u6307\u5b9a\u3092 CDI\u306ejavax.enterprise.context.RequestScoped \u306b\u3001<br \/>\njavax.faces.bean.ManagedBean \u3092 javax.inject.Named \u306b<br \/>\n\u3053\u306e\u8fba\u308a\u306f\u5358\u7d14\u306bimport\u3059\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u3059\u3002\u305f\u3060\u3057\u3001@ViewScoped\u3068@SessionScoped\u306b\u3064\u3044\u3066\u306f\u3001Serializable\u3092\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<pre class=\"lang:java decode:true \" title=\"XXXController.java\" >\/\/import javax.faces.bean.ManagedBean;\r\n\/\/import javax.faces.bean.SessionScoped;\r\nimport javax.enterprise.context.SessionScoped;\r\nimport javax.inject.Named;\r\n\r\n\/\/@ManagedBean(name = \"xxxController\")\r\n@Named(value = \"xxxController\")\r\n@SessionScoped\r\npublic class XXXController implements Serializable {\r\n\r\n\u4ee5\u4e0b\u7565<\/pre>\n<p>\u3000\u6b21\u306b\u3001javax.faces.bean.ManagedProperty \u3067\u3059\u304c\u3001\u3053\u3061\u3089\u306f\uff12\u30d1\u30bf\u30fc\u30f3\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u3068\u306a\u308a\u3001@ManagedProperty\u3067DI\u3057\u3066\u3044\u308b\u7b87\u6240\u306f\u3001@Inject\u3068@Named\u306b\u7f6e\u304d\u63db\u3048\u308b\u3060\u3051\u3067\u3059\u3002<\/p>\n<pre class=\"lang:java decode:true \" title=\"UserService.java\" >public class UserService implements Serializable {\r\n\r\n\/\/\t@ManagedProperty(\"#{userDto}\")\r\n\t@Inject\r\n\t@Named(\"userDto\")\r\n\tUserDto user;\"\r\n\r\n\u4ee5\u4e0b\u7565<\/pre>\n<p>\u3000ManagedProperty\u306e\u5225\u30d1\u30bf\u30fc\u30f3\u3067\u3001\u4eca\u56de\u5bfe\u8c61\u306e\u30a2\u30d7\u30ea\u3067\u306fxhtml\u304b\u3089\u306ePOST\u30c7\u30fc\u30bf\u6388\u53d7\u306b\u4f7f\u7528\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001javax.faces.annotation.ManagedProperty \u306b\u7f6e\u304d\u63db\u3048\u3066\u3082\u52d5\u304b\u306a\u304b\u3063\u305f\u306e\u3067\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306bFacesContext\u7d4c\u7531\u3067\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:java decode:true \" title=\"UserController.java\" >public class UserController{\r\n\r\n\/\/    @ManagedProperty(value=\"\"#{param.data}\"\")\r\n\/\/    private User user;\r\n\r\n    public String editUser(){\r\n        FacesContext context = FacesContext.getCurrentInstance();\r\n        User user = (User) context.getApplication().evaluateExpressionGet(context,\"#{data}\", User.class);\r\n\r\n\u4ee5\u4e0b\u7565<\/pre>\n<p>\u3000\u6700\u5f8c\u306b\u3001\u30a2\u30d7\u30ea\u3067\u306f\u5171\u6709\u3057\u305f\u3044\u30bb\u30c3\u30b7\u30e7\u30f3\u60c5\u5831\u7b49\u3092\u4fdd\u6301\u3059\u308b\u70ba\u306b\u3001@ApplicationScoped\u3092eager\u6307\u5b9a\u3057\u3066\u30a2\u30d7\u30ea\u958b\u59cb\u6642\u306b\u751f\u6210\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001CDI-API\u306e\u65b9\u3067\u306f\u5b58\u5728\u305b\u305a\u3001\u521d\u56de\u30b3\u30fc\u30eb\u6642\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u751f\u6210\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<pre class=\"lang:java decode:true \" title=\"XXXManager.java\" >\/\/import javax.faces.bean.ApplicationScoped;\r\n\/\/import javax.faces.bean.ManagedBean;\r\nimport javax.enterprise.context.ApplicationScoped;\r\nimport javax.inject.Named;\r\n\r\n\/\/@ManagedBean(name=\"XXX\",eager=true)\r\n@Named(value = \"XXX\")\r\n@ApplicationScoped\r\npublic class XXXManager {\r\n\r\n\u4ee5\u4e0b\u7565\r\n<\/pre>\n<p>\u3000\u53c2\u7167\u3057\u3066\u3044\u308b\u7b87\u6240\u3082\u898b\u76f4\u3057\u304c\u5fc5\u8981\u3067\u7d50\u679c\u7684\u306b\u4e0b\u8a18\u306e\u3088\u3046\u306b\u7f6e\u304d\u63db\u3048\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:java decode:true \" >\/\/        XXXManager mgr = (XXXManager) req.getSession().getServletContext().getAttribute(\"XXX\");\r\n        XXXManager mgr = CDI.current().select(XXXManager.class).get();\r\n        if(mgr ==  null){\r\n            \/\/\u751f\u6210\u524d\u306e\u6642\r\n        }\r\n<\/pre>\n<p>\u3000\u52d5\u4f5c\u306f\u4e00\u901a\u308a\u78ba\u8a8d\u3057\u307e\u3057\u305f\u304c\u3001\u4f55\u304b\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u305f\u8a33\u3067\u3082\u306a\u304f\u3001\u7f6e\u304d\u63db\u3048\u524d\u3067\u3082\u52d5\u304d\u306f\u5909\u308f\u3089\u306a\u3044\u306e\u3067\u3001\u3044\u3064\u30ea\u30ea\u30fc\u30b9\u51fa\u6765\u308b\u304b\u306a\u3042\u3002\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30007\u5e74\u524d\u304f\u3089\u3044\u306b\u4f5c\u3063\u305fWebLogic\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u30a2\u30d7\u30ea\u304c\u3042\u308b\u306e\u3067\u3059\u304c\u3001Jav &hellip; <a href=\"https:\/\/esoro.jp\/?p=1981\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,6],"tags":[],"_links":{"self":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1981"}],"collection":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1981"}],"version-history":[{"count":5,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1981\/revisions"}],"predecessor-version":[{"id":1986,"href":"https:\/\/esoro.jp\/index.php?rest_route=\/wp\/v2\/posts\/1981\/revisions\/1986"}],"wp:attachment":[{"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/esoro.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}