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package com.sun.jersey.oauth.server;

import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;

/** Exception that is mapped either to {@link Response.Status#BAD_REQUEST} or
 * {@link Response.Status#UNAUTHORIZED}.
 *
 * @author Martin Matula
 */
public class OAuthException extends RuntimeException {
    public final Response.Status status;
    public final String wwwAuthHeader;

    public OAuthException(Response.Status status, String wwwAuthHeader) {
        this.status = status;
        this.wwwAuthHeader = wwwAuthHeader;
    }

    /** Maps this exception to a response object.
     * 
     * @return Response this exception maps to.
     */
    public Response toResponse() {
        ResponseBuilder rb = Response.status(status);
        if (wwwAuthHeader != null) {
            rb.header("WWW-Authenticate", wwwAuthHeader);
        }
        return rb.build();
    }
}