{"id":5976,"date":"2015-03-16T10:00:46","date_gmt":"2015-03-16T01:00:46","guid":{"rendered":"http:\/\/www.techscore.com\/blog\/?p=5976"},"modified":"2018-11-14T16:33:49","modified_gmt":"2018-11-14T07:33:49","slug":"howto-jersey-json-binding-1and2","status":"publish","type":"post","link":"https:\/\/www.techscore.com\/blog\/2015\/03\/16\/howto-jersey-json-binding-1and2\/","title":{"rendered":"Jersey\u306eJSON\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306f\u4f55\u304c\u6b63\u89e3\u3060\u3063\u305f\u306e\u304b"},"content":{"rendered":"
\u3082\u3046\u6614\u306e\u8a71\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u30012010\u5e74\u672b\u9803\u306bJersey\u3092\u4f7f\u3063\u305fWeb-API\u306e\u5b9f\u88c5\u3092\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u5f53\u6642\u306fjersey1.0.3\u3060\u3063\u305f\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306eJSON\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3067\u56f0\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306fBean\u306eList\u578b\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u8981\u7d20\u3092\u6301\u305f\u306a\u3044\u3001\u3042\u308b\u3044\u306f1\u4ef6\u3060\u3051\u6301\u3064\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3067\u751f\u6210\u3055\u308c\u308bJSON\u304c\u53d7\u3051\u53d6\u308a\u5074\u306e\u671f\u5f85\u3068\u7570\u306a\u308b\u3068\u3044\u3046\u554f\u984c\u3067\u3059\u3002\u5272\u3068FAQ\u3060\u3068\u601d\u308f\u308c\u308b\u306e\u3067\u3059\u304c\u3001\u5f53\u6642\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u306e\u7d50\u5408\u6642\u306b\u767a\u899a\u3057\u305f\u306e\u3067\u3001\u3042\u308f\u3066\u3066\u8272\u3005\u8abf\u3079\u305f\u308a\u8a66\u3057\u305f\u308a\u3001\u305a\u3044\u3076\u3093\u82e6\u52b4\u3057\u305f\u8a18\u61b6\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u672c\u5f53\u306f\u4f55\u304c\u6b63\u89e3\u3060\u3063\u305f\u306e\u3060\u308d\u3046\u3068\u3044\u3046\u306e\u304c\u6c17\u306b\u306a\u3063\u305f\u306e\u3067\u6539\u3081\u3066\u8abf\u3079\u3066\u307f\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n
\r\n\/\/ \u4ee5\u4e0b getter\/setter\/Constructor\u306f\u7701\u7565\r\n@XmlRootElement\r\npublic class MyListHolder {\r\n @XmlElement\r\n private List list;\r\n\r\n @XmlRootElement\r\n public static class MyBean {\r\n @XmlElement\r\n private String name;\r\n }\r\n}\r\n<\/pre>\n<\/li>\n<\/ul>\n\u671f\u5f85\u3057\u305f\u3053\u3068<\/h3>\n
\n
- list\u306e\u8981\u7d20\u304c0\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{\"list\":[]}<\/code><\/li>\n
- list\u306e\u8981\u7d20\u304c1\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{\"list\":[{\"name\":\"aaa\"}]}<\/code><\/li>\n
- list\u306e\u8981\u7d20\u304c2\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{\"list\":[{\"name\":\"aaa\"},{\"name\":\"bbb\"}]}<\/code><\/li>\n<\/ul>\n
\u5b9f\u969b\u306e\u6319\u52d5<\/h3>\n
\n
- list\u306e\u8981\u7d20\u304c0\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{
\"list\":[]<\/strike>}<\/code><\/li>\n- list\u306e\u8981\u7d20\u304c1\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{\"list\":
[<\/strike>{\"name\":\"aaa\"}]<\/strike>}<\/code><\/li>\n- list\u306e\u8981\u7d20\u304c2\u4ef6\u306e\u6642\u3001JSON\u306e\u51fa\u529b\uff1a
{\"list\":[{\"name\":\"aaa\"},{\"name\":\"bbb\"}]}<\/code><\/li>\n<\/ul>\n
\u5f53\u6642\u306e\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n
\n
- \u8981\u7d20\u65700\u306e\u6642<\/dt>\n
- \n\u30ea\u30bd\u30fc\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u5834\u5408\u5206\u3051\u3059\u308b\u3002\u8fd4\u5374\u3059\u308bJSON\u306f\u56fa\u5b9a\u306a\u306e\u3067\u3001\u4e8b\u524d\u306b\u5b9a\u7fa9\u3057\u3066\u304a\u3044\u3066\u6587\u5b57\u578b\u3067\u8fd4\u5374\u3059\u308b\u3002<\/p>\n
\r\n@GET\r\npublic Object list(...) {\r\n ListHolder response = ...;\r\n if (response.getList().size() == 0) {\r\n return \"{list:[]}\";\r\n }\r\n return response;\r\n}\r\n<\/pre>\n<\/dd>\n- \u8981\u7d20\u65701\u306e\u6642<\/dt>\n
- \nContextResolver\u3092\u8ffd\u52a0\u3057\u3066JSON\u5f62\u5f0f\u306e\u51fa\u529b\u65b9\u6cd5\u3092\u8a2d\u5b9a\u3059\u308b\u3002\u21d2ContextResolver\u306e\u66f8\u304d\u65b9<\/a>
\n\u203b\u306a\u304a\u3001\u5f53\u6642\u306fJSON Notations<\/a>\u306eNATURAL\u3092\u77e5\u3089\u305a\u3001Mapped#arrays\u306bList\u578b\u306e\u8981\u7d20\u540d\u3092\u6307\u5b9a\u3057\u3066\u56de\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3092\u63a1\u3063\u3066\u3044\u305f\u3002\n<\/dd>\n\u3082\u3063\u3068\u826f\u3044\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n
\u4e00\u756a\u7c21\u5358\u306a\u65b9\u6cd5\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u304c\u826f\u3055\u305d\u3046\u3060\u3068\u3044\u3046\u7d50\u8ad6\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u3064\u3044\u3067\u306b\u6700\u65b0\u306eJersey2.16\u306b\u3064\u3044\u3066\u3082\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<\/p>\n
Jersey1\u7cfb<\/h3>\n
JSON\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u3092Jackson\u306b\u4efb\u305b\u308c\u3070\u826f\u3044\uff08\u8a2d\u5b9a\u65b9\u6cd5<\/a>\uff09<\/p>\n
Jackson\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6319\u52d5\u306f\u3001\u672c\u8a18\u4e8b\u3067\u6ce8\u76ee\u3057\u3066\u3044\u308b\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u671f\u5f85\u901a\u308a\u3067\u3001JAXB\u7528\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u6b8b\u3057\u3066\u304a\u3051\u3070XML\u306e\u51fa\u529b\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
Jersey2\u7cfb<\/h3>\n
\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3001MOXy\u306eJSON\u30b5\u30dd\u30fc\u30c8\u3092\u6709\u52b9\u306b\u3059\u308b\uff08\u8a2d\u5b9a\u65b9\u6cd5<\/a>\uff09<\/p>\n
MOXy\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6319\u52d5\u306f\u3001\u672c\u8a18\u4e8b\u3067\u6ce8\u76ee\u3057\u3066\u3044\u308b\u554f\u984c\u306b\u3064\u3044\u3066\u306f\u671f\u5f85\u901a\u308a\u3067\u3057\u305f\u3002MOXy\u306fJAXB\u306e\u5b9f\u88c5\u306e\u4e00\u3064\u306a\u306e\u3067\u3001JAXB\u7528\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u6b8b\u3057\u3066\u304a\u3051\u3070XML\u306e\u51fa\u529b\u3082\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u89e3\u8aac<\/h2>\n
\u3084\u308a\u65b9\u306b\u3064\u3044\u3066\u306f\u5206\u304b\u308a\u307e\u3057\u305f\u304c\u3001\u3069\u3046\u3057\u3066\u3053\u3046\u3059\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
JAX-RS\u306b\u304a\u3051\u308b\u3001\u30e1\u30c7\u30a3\u30a2\u30bf\u30a4\u30d7\u3068\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5bfe\u5fdc\u4ed8\u3051\u306b\u3064\u3044\u3066<\/h3>\n
Jersey\u306fJAX-RS\u306e\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u5b9f\u88c5\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u305d\u3082\u305d\u3082\u4ed5\u69d8\u4e0a\u306f\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u3002JAX-RS 2.0<\/a>\u306b\u3088\u308b\u3068<\/p>\n
The MessageBodyWriter interface defines the contract between the JAX-RS runtime and components that provide mapping services from a Java type to a representation<\/p><\/blockquote>\n
\u3068\u3042\u308a\u3001
javax.ws.rs.ext.MessageBodyWriter<\/code>\u3092\u4ecb\u3057\u3066\u5909\u63db\u304c\u884c\u308f\u308c\u308b\u3068\u3044\u3046\u6c7a\u307e\u308a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5f93\u3063\u3066\u3001JSON\u5f62\u5f0f\u306e\u51fa\u529b\u3092\u3069\u306eMessageBodyWriter\u5b9f\u88c5\u304c\u62c5\u3063\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
Jersey\u306eJSON\u30b5\u30dd\u30fc\u30c8\u65b9\u91dd\uff081\u7cfb\u30012\u7cfb\u5171\u901a\uff09<\/h3>\n
\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u306b\u3088\u308b\u3068\u3001\u4ee5\u4e0b\u306e3\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3042\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306fMessageBodyWriter\u304c\u4f55\u3067\u5b9f\u88c5\u3055\u308c\u3066\u3044\u308b\u304b\u306e\u9055\u3044\u3092\u8868\u3059\u3088\u3046\u3067\u3059\u3002<\/p>\n
\n
- POJO based JSON binding support<\/strong>
\n\u21d2JSON\u3068\u4efb\u610f\u306eJava\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u76f8\u4e92\u5909\u63db\u3059\u308b\u5916\u90e8\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u4efb\u305b\u308b<\/li>\n- JAXB based JSON binding support<\/strong>
\n\u21d2JAXB\u306e\u5b9f\u88c5\u304c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u89e3\u6790\u3057\u3001\u51fa\u529b\u6642\u306bXML\u3067\u306f\u306a\u304fJSON\u5f62\u5f0f\u306b\u5909\u63db\u3059\u308b\u6226\u7565<\/li>\n- Low-level JSON parsing & processing support<\/strong>
\n\u21d2JSON\u306b\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u578b\u304c\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001\u5c02\u7528\u306eMessageBodyWriter\u304c\u51fa\u529b\u3092\u884c\u3046\u3002\u672c\u8a18\u4e8b\u3067\u306f\u6df1\u5800\u3057\u306a\u3044<\/li>\n<\/ol>\n\u6b21\u306b\u3001Jersey1\u7cfb\u3068Jersey2\u7cfb\u306e\u5b9f\u88c5\u306e\u9055\u3044\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u9055\u3044\u306f\u3053\u3061\u3089<\/a>\u306b\u307e\u3068\u307e\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
Jersey1\u7cfb<\/h3>\n
\u6614\u53d6\u3063\u305f\u65b9\u6cd5\u306fJAXB based JSON binding support<\/strong>\u3067\u3057\u305f\u3002
\nMessageBodyWriter\u306fcom.sun.jersey.json.impl.provider.entity.JSONRootElementProvider<\/code>\u3067\u3059\u3002JAXB\u306e\u5b9f\u88c5\u306f\u901a\u5e38reference implementation\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u21d2Jersey1.19\u304c\u5229\u7528\u3059\u308bJAXB\u5b9f\u88c5<\/a><\/p>\n
JSONRootElementProvider\u306f
com.sun.jersey.api.json.JSONConfiguration<\/code>\u306b\u57fa\u3065\u3044\u3066\u3001
javax.xml.bind.Marshaller<\/code>\uff08XML\u3092\u3069\u306e\u3088\u3046\u306b\u30b7\u30ea\u30a2\u30e9\u30a4\u30ba\u3059\u308b\u304b\u3092\u6c7a\u3081\u308b\uff09\u3092\u63d0\u4f9b\u3059\u308b\u3068\u3044\u3046\u4ed5\u7d44\u307f\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3064\u307e\u308aJAXB\u5b9f\u88c5\u306e\u90fd\u5408\u3067\u7a7a\u306eList\u306b\u5bfe\u3059\u308bJSON\u51fa\u529b\u304c\u7a7a\u6587\u5b57\u5217\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3046\u3053\u3068\u3060\u3068\u601d\u308f\u308c\u307e\u3059\u3002\uff08XML\u306e\u51fa\u529b\u306blist\u8981\u7d20\u304c\u73fe\u308c\u306a\u304f\u306a\u308b\u3053\u3068\u3068\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306e\u3067\u3057\u3087\u3046\uff09<\/p>\n
\u3053\u308c\u306b\u5bfe\u3057Jackson\u3092\u4f7f\u3046\u3068\u3044\u3046\u306e\u306fPOJO based JSON binding support<\/strong>\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002
\nMessageBodyWriter\u306forg.codehaus.jackson.jaxrs.JacksonJsonProvider<\/code>\u306b\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002Jackson\u306fJSON\u3068\u306e\u5909\u63db\u3092\u884c\u3046\u305f\u3081\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306a\u306e\u3067\u671f\u5f85\u901a\u308a\u306e\u6319\u52d5\u3067\u3059\u3002\u4f55\u3068\u306a\u304f\u3001JAXB\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u3057\u3066\u3042\u308b\u3068JAXB\u5074\u3067\u51e6\u7406\u3055\u308c\u308b\u3088\u3046\u306b\u601d\u3044\u8fbc\u3093\u3067\u307e\u3057\u305f\u304c\u3001JSON\u3092\u51fa\u529b\u3059\u308b\u6642\u306fJackson\u304c\u547c\u3073\u51fa\u3055\u308c\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
Jersey2\u7cfb<\/h3>\n
MOXy\u306fJAXB\u306e\u5225\u5b9f\u88c5\u3067\u3059\u304c\u3001\u9a5a\u3044\u305f\u3053\u3068\u306bXML\u3068JSON\u3092\u4e21\u65b9\u671f\u5f85\u901a\u308a\u306b\u51fa\u529b\u3057\u3066\u304f\u308c\u307e\u3059\u3002
\nBinding to JSON & XML - Handling Collections<\/a>\u3068\u3044\u3046\u8a18\u4e8b\u3092\u53c2\u8003\u306b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066List\u306e\u8981\u7d20\u6570\u3092\u5909\u3048\u306a\u304c\u3089\u52d5\u4f5c\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001Marshaller\u306e\u5207\u308a\u66ff\u3048\u3060\u3051\u3067\u5236\u5fa1\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u306a\u304a\u3001\u7a7a\u306eList\u3092\u51fa\u529b\u3059\u308b\u304b\u306forg.eclipse.persistence.jaxb.MarshallerProperties.JSON_MARSHAL_EMPTY_COLLECTIONS<\/code>\u3068\u3044\u3046\u30d7\u30ed\u30d1\u30c6\u30a3\u3067\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u306fTRUE\uff08\u6709\u52b9\uff09\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
Jersey2\u7cfb\u3067\u3082Jackson\u306f\u4f7f\u3048\u308b\u3088\u3046\u3067\u3059\u304c\u3001MOXy\u304c\u63a8\u5968\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3057\u3001\u4ed6\u306e\u7406\u7531\u304c\u306a\u3051\u308c\u3070\u3053\u308c\u3067OK\u3067\u3059\u306d\u3002<\/p>\n
\u4ee5\u4e0a\u3067\u3059\u3002\u3053\u308c\u304b\u3089\u6700\u65b0\u7248\u3092\u4f7f\u3046\u4eba\u306b\u3068\u3063\u3066\u306f\u3001\u305d\u3082\u305d\u3082\u554f\u984c\u306b\u6c17\u3065\u304b\u306a\u3044\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u306d\u3002\u305d\u3046\u3044\u3046\u610f\u5473\u3067\u306f\u6b8b\u5ff5\u3067\u3059\u304c\u3001\u3042\u3084\u3075\u3084\u3060\u3063\u305f\u3068\u3053\u308d\u3092\u78ba\u304b\u3081\u3089\u308c\u3066\u500b\u4eba\u7684\u306b\u306f\u6e80\u8db3\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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