java mina iobuffer转换成String

系统管理员 2022-01-30 02:19 241阅读 0赞

1.package minaUDP;  
    2.  
    3.import java.nio.ByteOrder;  
    4.import java.nio.charset.CharacterCodingException;  
    5.  
    6.import org.apache.mina.core.buffer.IoBuffer;  
    7.  
    8./** 
    9. * iobuffer 转换成String 
    10. * @Description:TODO 
    11. * @Date:2012-3-15 
    12. * @author 
    13. */  
    14.public class IoBufferTOString {  
    15.  
    16.    public static String ioBufferToString(IoBuffer iobuffer){  
    17.        System.out.println("message = " + iobuffer + iobuffer.limit());  
    18.        iobuffer.flip();    //调换buffer当前位置，并将当前位置设置成0  
    19.        byte[] b = new byte[iobuffer.limit()];  
    20.        iobuffer.get(b);  
    21.        //此处用stringbuffer是因为　String类是字符串常量，是不可更改的常量。而StringBuffer是字符串变量，它的对象是可以扩充和修改的。   
    22.        StringBuffer stringBuffer = new StringBuffer();  
    23.          
    24.        for(int i = 0; i < b.length; i++){  
    25.            System.out.println("====" + b[i]);  
    26.            stringBuffer.append((Byte) b[i]); //可以根据需要自己改变类型  
    27.            System.out.println(b[i] +"---------" +i);  
    28.        }  
    29.        return stringBuffer.toString();  
    30.    }  
    31.      
    32.    /** 
    33.     * @param args 
    34.     * @param:@param args 
    35.     * @return:void 
    36.     * @author  
    37.     * @throws CharacterCodingException  
    38.     * @Date:2012-3-15 
    39.     */  
    40.    public static void main(String[] args) throws CharacterCodingException{  
    41.        IoBuffer iobuffer = IoBuffer.allocate(8);  
    42.        iobuffer.order(ByteOrder.LITTLE_ENDIAN);  
    43.        iobuffer.putChar('z');  
    44.        iobuffer.putInt(123);  
    45.           
    46.        String str = ioBufferToString(iobuffer);  
    47.        System.out.println(str);  
    48.          
    49.    }  
    50.      
    51.}  
    52.  
    53.  
    54./** 
    55. * @author create on 2012-3-15 
    56. */