Example usage for org.springframework.web.servlet.mvc.support RedirectAttributes containsAttribute

Introduction

In this page you can find the example usage for org.springframework.web.servlet.mvc.support RedirectAttributes containsAttribute.

Prototype

boolean containsAttribute(String attributeName);

Source Link

Document

Does this model contain an attribute of the given name?

Usage

From source file:info.rmapproject.webapp.controllers.SearchController.java

/**
 * GETs the search form./* w  w w . ja  va 2s  . co  m*/
 *
 * @param model the Spring model
 * @param redirectAttributes holds flash attributes passed from a redirect
 * @return the search page
 */
@RequestMapping(method = RequestMethod.GET)
public String searchForm(Model model, RedirectAttributes redirectAttributes) {
    logger.info("Search page");

    if (redirectAttributes.containsAttribute("search")) {
        //true if redirected back to form due to error, for example.
        model.addAttribute("search", redirectAttributes.getFlashAttributes().get("search"));
        model.addAttribute("notice", redirectAttributes.getFlashAttributes().get("notice"));
    } else {
        //otherwise initiate search command.
        SearchCommand search = new SearchCommand();
        model.addAttribute("search", search);
    }
    return "search";
}

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