/*
 * @(#)HttpRetryException.java	1.1 04/04/20
 *
 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */

package java.net;

import java.io.IOException;

/**
 * Thrown to indicate that a HTTP request needs to be retried
 * but cannot be retried automatically, due to streaming mode
 * being enabled.
 *
 * @author  Michael McMahon
 * @version 1.1, 04/20/04
 * @since   1.5
 */
public 
class HttpRetryException extends IOException { 

    private int responseCode;
    private String location;

    /**
     * Constructs a new <code>HttpRetryException</code> from the 
     * specified response code and exception detail message
     *
     * @param   detail   the detail message.
     * @param   code   the HTTP response code from server.
     */
    public HttpRetryException(String detail, int code) {
	super(detail);
	responseCode = code;
    }
    
    /**
     * Constructs a new <code>HttpRetryException</code> with detail message
     * responseCode and the contents of the Location response header field.
     *
     * @param   detail   the detail message.
     * @param   code   the HTTP response code from server.
     * @param   location   the URL to be redirected to
     */
    public HttpRetryException(String detail, int code, String location) {
	super (detail);
	responseCode = code;
	this.location = location;
    }

    /**
     * Returns the http response code
     *
     * @return  The http response code.
     */
    public int responseCode() {
        return responseCode;
    }

    /**
     * Returns a string explaining why the http request could
     * not be retried.
     *
     * @return  The reason string
     */
    public String getReason() {
        return super.getMessage();
    }

    /**
     * Returns the value of the Location header field if the
     * error resulted from redirection.
     *
     * @return The location string
     */
    public String getLocation() {
        return location;
    }
}