Parameters of a resource method may be annotated with parameter-based annotations to extract information from a request. A previous example presented the use @PathParam to extract a path parameter from the path component of the request URL that match…

This Blog is a compilation of various methods of passing Request Parameters in JSF (2.0 +) (1)  f:viewParam One of the features added in JSF 2.0 is "View Parameters"; Simply speaking it allows adding "Query string" or "Request Par…

Previous sections on @Produces and @Consumes referred to MIME media types of representations and showed resource methods that consume and produce the Java type String for a number of different media types. However, String is just one of many Java typ…

Previous sections have presented examples of annotated types, mostly annotated method parameters but also annotated fields of a class, for the injection of values onto those types. This section presents the rules of injection of values on annotated t…

前些时间,我们的的一个管理系统出现了点问题,原本运行的好好的功能,业务方突然讲不行了,那个应用已经运行了好多年了,并且对应的代码最近谁也没改动过,好奇怪的问题,为了解决此问题,我们查看了日志,发现请求的参数压根没有传到后台控制器之中,奇怪了!明明前端传递了好多参数过来了呀!线上系统比较重要,又需要马上使用必须赶紧解决呀! 提交请求时的页面反应,如下所示: 于是我们想在本地模拟同样的操作,可气的是本地压根没任何问题,好头疼,对于这样的问题确实是最令人头疼的,同样的代码一边运行不了,一边屁事没有,后…

Since a resource is represented as a Java type it makes it easy to configure, pass around and inject in ways that is not so intuitive or possible with other client-side APIs. The Jersey Client API reuses many aspects of the JAX-RS and the Jersey impl…

To utilize the client API it is first necessary to create an instance of a Client, for example: Client c = Client.create(); Configuring a Client and WebResource The client instance can then be configured by setting properties on the map returned from…

Maven Dependencies The following Maven dependencies need to be added to the pom: <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-server</artifactId> <version>1.19.1</version> </dependency>…

1. Maven Dependency <properties> <jersey.version>1.19.1</jersey.version> </properties> <dependencies> <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-core</artifactId> <versi…

Root resource classes are POJOs (Plain Old Java Objects) that are annotated with @Path have at least one method annotated with @Path or a resource method designator annotation such as @GET, @PUT, @POST, @DELETE. Resource methods are methods of a reso…