Spring Framework example source code file (ClinicController.java)

This example Spring Framework source code file (ClinicController.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

autowired, clinic, clinic, cliniccontroller, cliniccontroller, controller, modelmap, modelmap, requestmapping, requestmapping

The Spring Framework ClinicController.java source code

package org.springframework.samples.petclinic.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.samples.petclinic.Clinic;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

/**
 * Annotation-driven <em>MultiActionController that handles all non-form
 * URL's.
 *
 * @author Juergen Hoeller
 * @author Mark Fisher
 * @author Ken Krebs
 */
@Controller
public class ClinicController {

	private final Clinic clinic;


	@Autowired
	public ClinicController(Clinic clinic) {
		this.clinic = clinic;
	}

	/**
	 * Custom handler for the welcome view.
	 * <p>
	 * Note that this handler relies on the RequestToViewNameTranslator to
	 * determine the logical view name based on the request URL: "/welcome.do"
	 * -> "welcome".
	 */
	@RequestMapping("/welcome.do")
	public void welcomeHandler() {
	}

	/**
	 * Custom handler for displaying vets.
	 * <p>
	 * Note that this handler returns a plain {@link ModelMap} object instead of
	 * a ModelAndView, thus leveraging convention-based model attribute names.
	 * It relies on the RequestToViewNameTranslator to determine the logical
	 * view name based on the request URL: "/vets.do" -> "vets".
	 *
	 * @return a ModelMap with the model attributes for the view
	 */
	@RequestMapping("/vets.do")
	public ModelMap vetsHandler() {
		return new ModelMap(this.clinic.getVets());
	}

	/**
	 * Custom handler for displaying an owner.
	 * <p>
	 * Note that this handler returns a plain {@link ModelMap} object instead of
	 * a ModelAndView, thus leveraging convention-based model attribute names.
	 * It relies on the RequestToViewNameTranslator to determine the logical
	 * view name based on the request URL: "/owner.do" -> "owner".
	 *
	 * @param ownerId the ID of the owner to display
	 * @return a ModelMap with the model attributes for the view
	 */
	@RequestMapping("/owner.do")
	public ModelMap ownerHandler(@RequestParam("ownerId") int ownerId) {
		return new ModelMap(this.clinic.loadOwner(ownerId));
	}

}