NoPathParamRedirectView.java

/*
 * Copyright: (c) 2004-2011 Mayo Foundation for Medical Education and 
 * Research (MFMER). All rights reserved. MAYO, MAYO CLINIC, and the
 * triple-shield Mayo logo are trademarks and service marks of MFMER.
 *
 * Except as contained in the copyright notice above, or as used to identify 
 * MFMER as the author of this software, the trade names, trademarks, service
 * marks, or product names of the copyright holder shall not be used in
 * advertising, promotion or otherwise in connection with this software without
 * prior written authorization of the copyright holder.
 *
 * 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 edu.mayo.cts2.framework.webapp.rest.view;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.view.RedirectView;

/**
 * The Class NoPathParamRedirectView.
 *
 * @author <a href="mailto:kevin.peterson@mayo.edu">Kevin Peterson</a>
 */
public class NoPathParamRedirectView extends RedirectView {
	
	private List<String> paramsToRemove = new ArrayList<String>();

	/**
	 * Instantiates a new no path param redirect view.
	 *
	 * @param url the url
	 * @param paramsToRemove the params to remove
	 */
	public NoPathParamRedirectView(String url, List<String> paramsToRemove) {
		super(url);
		this.paramsToRemove = paramsToRemove;
	}

	/* (non-Javadoc)
	 * @see org.springframework.web.servlet.view.RedirectView#renderMergedOutputModel(java.util.Map, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	 */
	protected void renderMergedOutputModel(
			Map<String, Object> model, HttpServletRequest request, HttpServletResponse response)
			throws IOException {
		
		for(String paramToRemove : this.paramsToRemove){
			model.remove(paramToRemove);
		}
		
		super.renderMergedOutputModel(model, request, response);
	}
}