/*
 * Copyright 2005-2008 Les Hazlewood
 *
 * 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 org.jsecurity.authz;

import java.net.InetAddress;

/**
 * Thrown when a particular client (that is, host address) has not been enabled to access the system
 * or if the client has been enabled access but is not permitted to perform a particluar operation
 * or access a particular resource.
 *
 * @see org.jsecurity.session.SessionFactory#start(java.net.InetAddress)
 *
 * @since 0.1
 * @author Les Hazlewood
 */
public class HostUnauthorizedException extends UnauthorizedException {

    private InetAddress hostAddress;

    /**
     * Creates a new HostUnauthorizedException.
     */
    public HostUnauthorizedException() {
        super();
    }

    /**
     * Constructs a new HostUnauthorizedException.
     * @param message the reason for the exception
     */
    public HostUnauthorizedException( String message ) {
        super( message );
    }

    /**
     * Constructs a new HostUnauthorizedException.
     * @param cause the underlying Throwable that caused this exception to be thrown.
     */
    public HostUnauthorizedException( Throwable cause ) {
        super( cause );
    }

    /**
     * Constructs a new HostUnauthorizedException.
     * @param message the reason for the exception
     * @param cause the underlying Throwable that caused this exception to be thrown.
     */
    public HostUnauthorizedException( String message, Throwable cause ) {
        super( message, cause );
    }

    /**
     * Constructs a new HostUnauthorizedException associated with the given host address.
     * @param hostAddress the address of the host unauthorized to perform a particular action or
     * access a particular resource.
     */
    public HostUnauthorizedException( InetAddress hostAddress ) {
        this( "The system is not cofigured to allow access for host [" +
              hostAddress.getHostAddress() + "]" );
    }

    /**
     * Returns the host address associated with this exception.
     * @return the host address associated with this exception.
     */
    public InetAddress getHostAddress() {
        return this.hostAddress;
    }

    /**
     * Sets the host address associated with this exception.
     * @param hostAddress the host address associated with this exception.
     */
    public void setHostAddress( InetAddress hostAddress ) {
        this.hostAddress = hostAddress;
    }
}