ringevent.java

自己实现的基于串口通讯发送短消息的低层协议JAVA代码

package com.jzl.sirius.at.event;

import java.nio.ByteBuffer;

import com.jzl.sirius.at.ATConstants;
import com.jzl.sirius.at.util.StringMatch;

public class RINGEvent extends MutiableEvent {
    private boolean eventStarted = false;
    private StringMatch startMatch = new StringMatch(ATConstants.CRLF + "RING");
    private StringMatch endMatch   = new StringMatch(ATConstants.CRLF);
    
    public void reset() {
        super.reset();
        eventStarted = false;
    }
    
    public boolean match(char ch) {
        eventStarted = startMatch.match(ch);
        return eventStarted;
        
    }

    public boolean readResponse(ByteBuffer buffer) {
        while(buffer.hasRemaining()){
            char ch = (char)buffer.get();
            if (eventStarted) {
                if (endMatch.match(ch)) {
                    // 事件结束，进行结果解析
                    finish();
                    return true;
                }
            }
            else 
                match(ch);
        }
        
        return false;
    }
    
    public Object clone() throws CloneNotSupportedException {
        RINGEvent obj = (RINGEvent)super.clone();
        obj.eventStarted = eventStarted;
        
        return obj;
    }


}