http-request-parameters

How do I process GET query string URL parameters in backing bean on page load?

August 19, 2023 by Tarik

Yes, you can use the <f:viewParam> to set a request parameter as a managed bean property. <f:metadata> <f:viewParam name=”companyId” value=”#{bean.companyId}” /> </f:metadata> You can if necessary invoke a bean action using <f:viewAction> (JSF 2.2+ only) or <f:event type=”preRenderView”>. <f:metadata> <f:viewParam name=”companyId” value=”#{bean.companyId}” /> <f:viewAction action=”#{bean.onload}” /> </f:metadata> When using <f:viewAction> you can even return a … Read more

Spring @RequestParam mapping Boolean based on 1 or 0 instead of true or false

May 5, 2023 by Tarik

I think we may need more detail in order to be effective answering your question. I have working Spring 3.2 code along the lines of: @RequestMapping(value = “/foo/{id}”, method = RequestMethod.GET) @ResponseBody public Foo getFoo( @PathVariable(“id”) String id, @RequestParam(value=”bar”, required = false, defaultValue = “true”) boolean bar) { … } Spring correctly interprets ?bar=true, ?bar=1, … Read more

Spring MVC – Why not able to use @RequestBody and @RequestParam together

February 27, 2023 by Tarik

The @RequestBody javadoc states Annotation indicating a method parameter should be bound to the body of the web request. It uses registered instances of HttpMessageConverter to deserialize the request body into an object of the annotated parameter type. And the @RequestParam javadoc states Annotation which indicates that a method parameter should be bound to a … Read more

What is difference between @RequestBody and @RequestParam?

January 6, 2023 by Tarik

@RequestParam annotated parameters get linked to specific Servlet request parameters. Parameter values are converted to the declared method argument type. This annotation indicates that a method parameter should be bound to a web request parameter. For example Angular request for Spring RequestParam(s) would look like that: $http.post(‘http://localhost:7777/scan/l/register?username=”Johny”&password=”123123″&auth=true’) .success(function (data, status, headers, config) { … }) … Read more