RequestAppendWrapper.java

/*
 * Copyright (c) 2009-2015
 * 	IT-Consulting Stephan Schloepke (http://www.schloepke.de/)
 * 	klemm software consulting Mirko Klemm (http://www.klemm-scs.com/)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jbasics.jee.servlet;

import org.jbasics.checker.ContractCheck;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;

public class RequestAppendWrapper extends HttpServletRequestWrapper {
	private final CharSequence append;

	public RequestAppendWrapper(HttpServletRequest request, CharSequence append) {
		super(request);
		this.append = ContractCheck.mustNotBeNull(append, "append");
	}

	@Override
	public String getPathInfo() {
		return append(super.getPathInfo());
	}

	private String append(String orig) {
		StringBuilder temp = new StringBuilder();
		if (orig != null) {
			temp.append(orig);
		}
		temp.append(this.append);
		return temp.toString();
	}

	@Override
	public String getRequestURI() {
		return append(super.getRequestURI());
	}

	@Override
	public StringBuffer getRequestURL() {
		return super.getRequestURL().append(this.append);
	}
}