multicastevent.java

来自「这是一个以JAVA编写的程序,本人还没有试过,是一个简单的温度控制系统」· Java 代码 · 共 83 行

package net.sf.dz.pnp;

import java.net.InetAddress;
import java.util.EventObject;

/**
 * Multicast event.
 *
 * <p>
 *
 * Contains information about the originating host, service signature, port,
 * whether this service provides (requires) secure connection, and the
 * devices provided by this service.
 *
 * <p>
 *
 * VT: FIXME: Currently, only the internet address is used as a source -
 * this is incorrect. (address, port) pair should be used instead.
 *
 * @author Copyright &copy; <a href="mailto:[e-mail]">Vadim Tkachenko</a> 2001-2004
 * @version $Id: MulticastEvent.java,v 1.2 2004/06/28 20:35:49 vtt Exp $
 */
public class MulticastEvent extends EventObject {

    private final String serviceSignature;
    private final int port;
    private final boolean secure;
    private final String message;
    
    public MulticastEvent(MulticastEvent source) {
    
        this(source.getSourceAddress(), source.serviceSignature, source.port, source.secure, source.message);
    }

    public MulticastEvent(InetAddress source, String serviceSignature, int port, boolean secure, String message) {
    
        super(source);
        
        if ( serviceSignature == null || "".equals(serviceSignature) ) {
        
            throw new IllegalArgumentException("Service signature is null or empty");
        }
        
        this.serviceSignature = serviceSignature;
        this.port = port;
        this.secure = secure;
        this.message = message;
    }
    
    public final InetAddress getSourceAddress() {
    
        return (InetAddress)getSource();
    }
    
    public final int getPort() {
    
        return port;
    }
    
    public String toString() {
    
        return super.toString() + "[signature=" + serviceSignature + "]"
                                + "[port=" + port + "]"
                                + "[secure=" + secure + "]"
                                + "[message=" + message + "]";
    }
    
    public final String getServiceSignature() {
    
        return serviceSignature;
    }
    
    public final String getMessage() {
    
        return message;
    }
    
    public final boolean isSecure() {
    
        return secure;
    }
}