BadRequestException.java

package com.wesabe.servlet;

import javax.servlet.http.HttpServletRequest;

/**
 * An unchecked exception which is raised by {@link SafeRequest} and other
 * classes to indicate that a received {@link HttpServletRequest} cannot be
 * serviced as-is and should be marked as rejected to the client.
 * 
 * @author coda
 *
 */
public class BadRequestException extends SecurityException {
	private static final long serialVersionUID = 5087019302329972070L;
	private static final String ERROR_FORMAT = "Bad request: %s to %s from %s";
	private final HttpServletRequest request;
	
	/**
	 * Create a new {@link BadRequestException} for a request with a cause.
	 */
	public BadRequestException(HttpServletRequest request, Throwable cause) {
		super(
			String.format(
				ERROR_FORMAT,
				request.getMethod(),
				request.getRequestURI(),
				request.getRemoteAddr()
			),
			cause
		);
		this.request = request;
	}

	/**
	 * Return the bad request.
	 */
	public HttpServletRequest getBadRequest() {
		return request;
	}

}