Листинг программы(V) (1061334), страница 2

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Текст из файла (страница 2)

if ((tempUser != null) && (tempUser.userNA == receivebuffer[2]))

{

String appStr = tempUser.usernick + ">> ";

this.mainForm.txtAreaChat.append(appStr);

}

}

byte[] dataBuf = new byte[15];

String text = "";

byte[] data = new byte[16];

data = this.TranslateSnap(receivebuffer);

for (int index = 0; index < 15; index++)

{

dataBuf[index] = data[index];

}

if (data[15] == (byte)0xE0)

{

text = new String((dataBuf), 0, 15 );

this.mainForm.txtAreaChat.append(text);

}

else if (data[15] == (byte)0xE1)

{

text = new String(dataBuf, 0, 15 );

this.mainForm.txtAreaChat.append(text);

this.mainForm.txtAreaChat.append(" " + '\n');

}

}

else if (receivebuffer[3] == (byte)0xFF)

{

byte[] b_UserName = new byte[10];

byte userNA = receivebuffer[2];

int index = 0;

/*for(int index = 5; index <15; index++)

{

b_UserName[index-5] = receivebuffer[index];

}*/

while (receivebuffer[index+5] != 0)

{

b_UserName[index] = receivebuffer[index+5];

index++;

}

String s_UserName = new String(b_UserName,0,index);

UserId tmpUser = new UserId();

tmpUser.userNA = userNA;

tmpUser.usernick = s_UserName;

//Исправить!!!!!

this.UserIDArray[0] = tmpUser;

this.mainForm.listAreaContacts.add(s_UserName + '\n');

}

}

public byte[] CreateInformSnap(byte[] data)

{

byte[] snap = new byte[21];

byte startByte,stopByte,DA,SA,Type,DATA;

snap[0] = (byte)0xFF;

snap[1] = (byte)0x11;

snap[2] = (byte)this.SourseAddress;

snap[3] = (byte)0xC1;

for (int index = 4; index <20; index++)

{

snap[index] = data[index-4];

}

snap[20] = (byte)0xFF;

return snap;

}

public byte[] CreateCheckSnap(byte[] data)

{

byte[] snap = new byte[21];

byte startByte,stopByte,DA,SA,Type,DATA;

snap[0] = (byte)0xFF;

snap[1] = (byte)0x11;

snap[2] = (byte)this.SourseAddress;

snap[3] = (byte)0xFF;

for (int index = 4; index <20; index++)

{

snap[index] = data[index-4];

}

snap[20] = (byte)0xFF;

return snap;

}

public byte[] TranslateSnap(byte[] buffer)

{

byte[] data = new byte[16];

for (int index = 4; index <20; index++)

{

data[index - 4] = buffer[index];

}

return data;

}

}

4. Прикладной уровень.

import java.applet.Applet;

import java.awt.*;

import java.awt.List;

import java.lang.ref.PhantomReference;

import java.util.*;

import java.awt.event.*;

public class MainForm extends Applet implements ActionListener

{

Button btnAction;

Button btnHistory;

Button btnSend;

Button btnExit;

Button btnConnect;

TextArea txtAreaChat;

TextArea txtAreaContacts;

TextField txtFld;

List listAreaContacts;

Label lblState;

int WIDTH = 9;

int HEIGHT = 8;

//PhisicalLayer PhLayer;

DataLinkLayer DlLayer;

// инициализация апплета

public void init()

{

this.DlLayer = new DataLinkLayer(this);

GridBagLayout grbl = new GridBagLayout();

setLayout(grbl);

GridBagConstraints c = new GridBagConstraints();

c.anchor = GridBagConstraints.NORTH;

c.fill = GridBagConstraints.BOTH;

c.gridheight = HEIGHT-1;

c.gridwidth = WIDTH;

c.gridx = 0;

c.gridy = 0;

c.insets = new Insets(0, 0, 0, 0);

c.ipadx = 0;

c.ipady = 0;

c.weightx = 0.8;

c.weighty = 1;

txtAreaChat = new TextArea("Chat");

grbl.setConstraints(txtAreaChat, c);

add(txtAreaChat);

c.weightx = 0.2;

c.weighty = 0.0;

/* txtAreaContacts = new TextArea("Contacts", 10, 10);

c.gridx = WIDTH;

c.gridwidth = 1;

grbl.setConstraints(txtAreaContacts, c);

add(txtAreaContacts);*/

listAreaContacts = new List(10, true);

c.gridx = WIDTH;

c.gridwidth = 1;

grbl.setConstraints(listAreaContacts, c);

add(listAreaContacts);

txtFld = new TextField();

c.gridx = 0;

c.gridy = HEIGHT-1;

c.gridheight = 1;

c.gridwidth = WIDTH+1;

grbl.setConstraints(txtFld, c);

add(txtFld);

btnAction = new Button("Disconnect");

c.gridwidth = 1;

c.gridy = HEIGHT;

// c.insets = new Insets(10, 10, 10, 10);

grbl.setConstraints(btnAction, c);

add(btnAction);

btnConnect = new Button("Connect");

c.gridx = 1;

grbl.setConstraints(btnConnect, c);

add(btnConnect);

btnConnect.addActionListener(this);

btnSend = new Button("Send");

c.gridx = WIDTH-1;

grbl.setConstraints(btnSend, c);

add(btnSend);

btnSend.addActionListener(this);

btnHistory = new Button("History");

c.gridx = WIDTH-2;

grbl.setConstraints(btnHistory, c);

add(btnHistory);

btnExit = new Button("Exit");

c.gridx = WIDTH;

grbl.setConstraints(btnExit, c);

add(btnExit);

btnExit.addActionListener(this);

}

//обработчики событий на кнопки

public void actionPerformed(ActionEvent e)

{

if

(e.getActionCommand().equals("Connect"))

{

this.DlLayer.ConnectToCOMPort();

this.DlLayer.CheckConnection();

this.txtAreaChat.setText("");

}

if

(e.getActionCommand().equals("Send"))

{

String message = this.txtFld.getText();

this.txtAreaChat.appendText(this.DlLayer.networkName + ">> " + message + '\n');

this.DlLayer.ReceiveDataFromAppLayer(message);

}

if

(e.getActionCommand().equals("Exit"))

{

//this.txtFld.setText("Выход");

this.stop();

}

}

public String getAppletInfo()

{

return "Name: FormDemo";

}

public boolean action(Event evt,

Object obj)

{

return false;

}

}

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