/*
 * Copyright 2002-2017 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.web.servlet.config.annotation;

import org.springframework.context.ApplicationContext;
import org.springframework.http.HttpStatus;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.web.servlet.RequestToViewNameTranslator;
import org.springframework.web.servlet.mvc.ParameterizableViewController;

Assist with the registration of a single view controller.
Author:
Rossen Stoyanchev, Keith Donald
Since:
3.1/**
 * Assist with the registration of a single view controller.
 *
 * @author Rossen Stoyanchev
 * @author Keith Donald
 * @since 3.1
 */
public class ViewControllerRegistration {

	private final String urlPath;

	private final ParameterizableViewController controller = new ParameterizableViewController();


	public ViewControllerRegistration(String urlPath) {
		Assert.notNull(urlPath, "'urlPath' is required.");
		this.urlPath = urlPath;
	}


	
Set the status code to set on the response. Optional.
If not set the response status will be 200 (OK).
/**
	 * Set the status code to set on the response. Optional.
	 * <p>If not set the response status will be 200 (OK).
	 */
	public ViewControllerRegistration setStatusCode(HttpStatus statusCode) {
		this.controller.setStatusCode(statusCode);
		return this;
	}

	
Set the view name to return. Optional.
If not specified, the view controller will return null as the view name in which case the configured RequestToViewNameTranslator will select the view name. The DefaultRequestToViewNameTranslator for example translates "/foo/bar" to "foo/bar". 
See Also:
DefaultRequestToViewNameTranslator/**
	 * Set the view name to return. Optional.
	 * <p>If not specified, the view controller will return {@code null} as the
	 * view name in which case the configured {@link RequestToViewNameTranslator}
	 * will select the view name. The {@code DefaultRequestToViewNameTranslator}
	 * for example translates "/foo/bar" to "foo/bar".
	 * @see org.springframework.web.servlet.view.DefaultRequestToViewNameTranslator
	 */
	public void setViewName(String viewName) {
		this.controller.setViewName(viewName);
	}

	protected void setApplicationContext(@Nullable ApplicationContext applicationContext) {
		this.controller.setApplicationContext(applicationContext);
	}

	protected String getUrlPath() {
		return this.urlPath;
	}

	protected ParameterizableViewController getViewController() {
		return this.controller;
	}

}