A better Spring View Resolver

CustomViewResolver.java

package com.snaphop.spring;

import java.util.Locale;

import org.springframework.http.HttpStatus;
import org.springframework.web.servlet.View;
import org.springframework.web.servlet.view.RedirectView;
import org.springframework.web.servlet.view.UrlBasedViewResolver;


public class CustomViewResolver extends UrlBasedViewResolver {

	public static String REDIRECT_URL_PREFIX_NO_MODEL = "redirect-no-model:";
	public static String REDIRECT_URL_PREFIX_PERMANENTLY = "redirect-permanently:";
	
	@Override
	protected View createView(String viewName, Locale locale) throws Exception {
		// If this resolver is not supposed to handle the given view,
		// return null to pass on to the next resolver in the chain.
		if (!canHandle(viewName, locale)) {
			return null;
		}
		// Check for special "redirect:" prefix.
		if (viewName.startsWith(REDIRECT_URL_PREFIX_PERMANENTLY)) {
			String redirectUrl = viewName.substring(REDIRECT_URL_PREFIX_PERMANENTLY.length());
			RedirectView rv =  new RedirectView(redirectUrl, isRedirectContextRelative(), false);
			rv.setExposeModelAttributes(false);
			rv.setStatusCode(HttpStatus.MOVED_PERMANENTLY);
			return rv;
		}
		if (viewName.startsWith(REDIRECT_URL_PREFIX_NO_MODEL)) {
			String redirectUrl = viewName.substring(REDIRECT_URL_PREFIX_NO_MODEL.length());
			RedirectView rv =  new RedirectView(redirectUrl, isRedirectContextRelative(), isRedirectHttp10Compatible());
			rv.setExposeModelAttributes(false);
			return rv;
		}
		return super.createView(viewName, locale);
	}
	

}