crbtmessage.java

来自「中国联通炫铃业务接口开发」· Java 代码 · 共 60 行

package com.wireless.crbt.gwif.global.pub;

import java.nio.ByteBuffer;

import net.gleamynode.netty2.Message;
import net.gleamynode.netty2.MessageParseException;

public class CRBTMessage implements Message {
	private String value;
    /**
     * 利用该方法得到字符串，该字符串是message从输入流中解析得到，提供给外界调用，主要提供给SessionListener调用
     * @return String
     */
    public String getValue() {
            return value;
    }
    /**
     *
     * @param value String
     */
    public void setValue(String value) {
            this.value = value;
    }
    /**
     * 对message接口方法的实现，message作为一个载体用来对输入流数据进行解吸并存储在自身
     * @param buf ByteBuffer
     * @throws MessageParseException
     * @return boolean
     */
    public boolean read(ByteBuffer buf) throws MessageParseException {
            // don't read body if it is partially readable
            if (buf.remaining() < 0) return false;

            byte[] data = new byte[buf.limit() - buf.position()];
            buf.get(data, 0, data.length);

            value = new String(data);
            return true;
    }
    /**
     * message接口方法的实现，message作为一个载体用来将外界的数据传入输出流
     * @param buf ByteBuffer
     * @return boolean
     */
    public boolean write(ByteBuffer buf) {
            // check if there is enough space to write body
            if (buf.remaining() < 0)
                    return false;

            buf.put(value.toString().getBytes());
            return true;
    }

    public String toString() {
            // it is a good practice to create toString() method on message classes.
            return "Value (" + value + ")";
    }

}