{"id":11706,"date":"2016-09-20T09:00:14","date_gmt":"2016-09-20T00:00:14","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=11706"},"modified":"2018-11-14T16:33:45","modified_gmt":"2018-11-14T07:33:45","slug":"jersey-client-api","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2016\/09\/20\/jersey-client-api\/","title":{"rendered":"Jersey Client API : Java \u3067Web API Client \u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"
\u79c1\u305f\u3061\u306f\u30b7\u30b9\u30c6\u30e0\u3092\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u30fb\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306b\u5206\u5272\u3059\u308b<\/a>\u65b9\u91dd\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\u306e\u3067\u3001\u30b5\u30d6\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u901a\u4fe1\u3001Web API \u3092\u547c\u3073\u51fa\u3059\u51e6\u7406\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u51e6\u7406\u3092Java\u3067\u958b\u767a\u3059\u308b\u5834\u5408\u3001\u4f55\u3092\u3064\u304b\u3063\u3066\u3069\u3046\u66f8\u3044\u305f\u3089\u3044\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5f0a\u793e\u30b7\u30ca\u30b8\u30fc\u30de\u30fc\u30b1\u30c6\u30a3\u30f3\u30b0<\/a>\u306e\u30d7\u30ed\u30c0\u30af\u30c8\u958b\u767a\u306e\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u306a\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n \u76ee\u6b21<\/p>\n <\/p>\n <\/a> <\/a> Client \u306f\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u3067\u3059\u3002\u307e\u305f\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3059\u308b\u969b\u306b\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308a\u307e\u3059\u306e\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u3067\u3080\u3084\u307f\u306b\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u751f\u6210\u305b\u305a\u306b\u5171\u6709\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<\/p>\n <\/p>\n <\/a><\/p>\n GET \u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n \u307e\u305a\u3001Client\u306etarget \u30e1\u30bd\u30c3\u30c9\u3067WebTarget \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u5f15\u6570\u306b\u306f\u3001\u30a2\u30af\u30bb\u30b9\u5148URL\u306e\u57fa\u672c\u90e8\u5206\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n \u7d9a\u3044\u3066\u3001path\u30e1\u30bd\u30c3\u30c9\u3067\u30d1\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001target\u306f\"https:\/\/api.example.com\/oauth\/access_token\" \u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n \u30af\u30a8\u30ea\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u306fqueryParam \u30e1\u30bd\u30c3\u30c9\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n
Jersey\u3068\u306f<\/h2>\n
\n\u30e9\u30a4\u30d6\u30e9\u30ea\u306f Jersey \u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002Jersey ( https:\/\/jersey.java.net\/<\/a>) \u306f\u3001RESTful Web \u30b5\u30fc\u30d3\u30b9\u3068\u305d\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306eJava API \u6a19\u6e96\u898f\u683c\u3067\u3042\u308bJAX-RS API (http:\/\/jax-rs-spec.java.net\/<\/a>) \u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u5b9f\u88c5\u3067\u3059\u3002\u57f7\u7b46\u6642\u70b9\u3067\u306e\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306f2.23.1\u3067\u3059\u3002\u4ee5\u964d\u3001\u3053\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u8aac\u660e\u3057\u307e\u3059\u3002
\n<\/p>\n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u4f5c\u6210<\/h2>\n
\n\u6700\u521d\u306f\u3001RESTful Web API \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\r\nimport javax.ws.rs.client.ClientBuilder;\r\nimport javax.ws.rs.client.Client;\r\n\r\nprivate Client client = ClientBuilder.newClient();\r\n<\/pre>\n
GET \u30e1\u30bd\u30c3\u30c9\u306e\u5b9f\u884c<\/h2>\n
\r\nimport javax.ws.rs.client.WebTarget;\r\n\r\n...\r\n\r\nWebTarget target = client.target(\"https:\/\/api.example.com\")\r\n .path(\"\/oauth\/access_token\") \r\n .queryParam(\"token\", \"shortAccessToken\");\r\n\r\ntry {\r\n String result = target.request().get(String.class);\r\n} catch (BadRequestException e) {\r\n logger.error(\"response=\" + e.getResponse().readEntity(String.class), e);\r\n throw e;\r\n}\r\n<\/pre>\n
\r\nWebTarget target = client.target(\"https:\/\/api.example.com\")\r\n<\/pre>\n
\r\n .path(\"\/oauth\/access_token\") \r\n<\/pre>\n
\r\n .queryParam(\"token\", \"shortAccessToken\");\r\n<\/pre>\n