模拟Socket的通讯----(2)---客户端

 * 1.IP地址和端口连接服务器,获取服务器的数据,设置接听让外部处理数据
 * 2.认证(类似于我们平常的登录),取得唯一认证值,方便于服务器发送信息;
 * 3.发送数据,注意:发送的数据要特定协议,就是包含发送的信息等;
 * 4.断开连接

/*
 *  @项目名：  MyChat 
 *  @包名：    com.itheima.client
 *  @文件名:   ClientConnector
 *  @创建者:   客户端的父类
 *  @创建时间:  2015/5/24 15:49
 *  @描述：
 *  1.IP地址和端口连接服务器,获取服务器的数据,设置接听让外部处理数据
 *  2.认证(类似于我们平常的登录),取得唯一认证值,方便于服务器发送信息;
 *  3.发送数据,注意:发送的数据要特定协议,就是包含发送的信息等;
 *  4.断开连接
 *
 */

public class ClientConnector
{

private Socket          client;
private String          dstName;
private int             dstPort;
private ConnectListener mConnectListener;

public ClientConnector(String dstName,
int dstPort)
    {
this.dstName = dstName;
this.dstPort = dstPort;
    }

/**
     * 连接
     */
public void connect()
throws
IOException
    {
if (client == null)
        {
client = new Socket(dstName,
dstPort);
        }


//获得输入流的数据
InputStream is = client.getInputStream();

byte[] buffer = new byte[1024];
int    len    = -1;
while ((len = is.read(buffer)) != -1)
        {
final String data = new String(buffer,
0,
                                           len);

//获得数据,将数据推出去
if (mConnectListener != null)
            {
mConnectListener.onReceiveData(data);
            }
        }
    }

/**
     * 认证
     */
public void auth(String authName)
throws
IOException
    {
if (client != null)
        {
//2. 数据通讯
OutputStream os = client.getOutputStream();
// #A
os.write(("#" + authName).getBytes());
        }

    }

/**
     * 发送数据
     */
public void send(String receiver,
                     String data)
throws
IOException
    {
if (client != null)
        {
//2. 数据通讯
OutputStream os = client.getOutputStream();
// A # content
os.write((receiver + "#" + data).getBytes());
        }
    }

/**
     * 断开连接
     */
public void disconnect()
throws
IOException
    {
if (client != null)
        {
client.close();
client = null;
        }
    }

public void setConnectListener(ConnectListener listener)
    {
mConnectListener = listener;
    }

public interface ConnectListener
    {
void onReceiveData(String data);
    }
}

使用该连接------------------
public class Activity_3 extends ActionBarActivity
implements ClientConnector.ConnectListener
{
    String dstName = "10.0.2.2";//服务器的ip
    int    dstPort = 9999;//服务端端口
    private EditText        mEtContent;
    private EditText        mEtAuth;
    private EditText        mEtReciever;
    private ClientConnector mConnector;

    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);

    mEtAuth = (EditText) findViewById(R.id.et_auth);
    mEtContent = (EditText) findViewById(R.id.et_content);
    mEtReciever = (EditText) findViewById(R.id.et_receiver);

    mConnector = new ClientConnector(dstName,
    dstPort);

    mConnector.setConnectListener(this);
    }

    public void clickConnet(View view)
    {
    new Thread(new Runnable()
        {
    @Override
    public void run()
            {
    try
    {
    mConnector.connect();
                } catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
        }).start();
    }

    public void clickAuth(View view)
    {
    final String auth = mEtAuth.getText()
                                   .toString()
                                   .trim();

    if (TextUtils.isEmpty(auth))
        {
            Toast.makeText(this,
            "消息为空",
                           Toast.LENGTH_SHORT)
                 .show();
        return;
        }

        try
        {
        mConnector.auth(auth);
        } catch (IOException e)
        {
            e.printStackTrace();
        }

    }

        public void clickDisconnet(View view)
            {
        try
        {
        mConnector.disconnect();
        } catch (IOException e)
        {
            e.printStackTrace();
        }
    }

        public void clickSend(View view)
    {
        final String receiver = mEtReciever.getText()
                                           .toString()
                                           .trim();
        final String content = mEtContent.getText()
                                         .toString()
                                         .trim();

        if (TextUtils.isEmpty(content) || TextUtils.isEmpty(receiver))
        {
            Toast.makeText(this,
                "消息为空",
                           Toast.LENGTH_SHORT)
                 .show();
        return;
        }

        try
        {
            mConnector.send(receiver,
                            content);
        } catch (IOException e)
        {
            e.printStackTrace();
        }
    }

        @Override
        public void onReceiveData(final String data)
    {
        runOnUiThread(new Runnable()
        {
@Override
public void run()
            {
                Toast.makeText(Activity_3.this,
data,
                               Toast.LENGTH_LONG)
                     .show();
            }
        });
    }
}