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roopanshroopansh
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Java : Task 2 & 3 WIP
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8 files changed

+211
-10
lines changed

8 files changed

+211
-10
lines changed

‎JavaProgramming/out/production/JavaProgramming/task1/sockmatching/input.txt

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1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4

‎JavaProgramming/out/production/JavaProgramming/task2/distributedsystem/stud_info.txt

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150101053, Roopansh Bansal, roopansh@iitg.ac.in, 100, TA1
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150101002, Abhishek Goyal, a.goyal@iitg.ac.in, 100, TA2

‎JavaProgramming/src/task2/distributedsystem/Constants.java

+1-1
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@@ -4,6 +4,6 @@ public class Constants {
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public static final String CC = "CC";
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public static final String TA1 = "TA1";
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public static final String TA2 = "TA2";
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public static final String STUD_INFO = "D:\\Studies\\Semester 7\\CS431 Programming Languages Lab\\Programming-Lab\\JavaProgramming\\src\\task2\\distributedsystem\\stud_info.txt";
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public static final String STUD_INFO = "/home/cse/IdeaProjects/Programming-Lab/JavaProgramming/src/task2/distributedsystem/stud_info.txt";
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}

‎JavaProgramming/src/task2/distributedsystem/MarkEvaluationSystem.java

+1-8
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@@ -24,13 +24,6 @@ private MarkEvaluationSystem() {
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Data = new HashMap<>();
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InputBuffer = new ArrayList<>();
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ArrayList<String> temp = new ArrayList<>();
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temp.add("Abhishek");
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temp.add("agoyal");
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temp.add("100");
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temp.add("CC");
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Data.put("002", temp);
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}
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private void UpdateStudentMarks() {
@@ -215,7 +208,7 @@ public static void main(String[] args) throws IOException {
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markEvaluationSystem.writeFinalData();
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/*Todo
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* Generate the remaning files - Sorted by name and sorted by roll number */
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* Generate the remaning files - Sorted by name and sorted by roll number */
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return;
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case 1:
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markEvaluationSystem.UpdateStudentMarks();

‎JavaProgramming/src/task2/distributedsystem/stud_info.txt

+1-1
Original file line numberDiff line numberDiff line change
@@ -1,2 +1,2 @@
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150101053, Roopansh Bansal, roopansh@iitg.ac.in, 100, TA1
2-
150101002, Abhishek Goyal, a.goyal@iitg.ac.in, 100, TA2
2+
150101002, Abhishek Goyal, a.goyal@iitg.ac.in, 100, TA2

‎JavaProgramming/src/task3/teastall/Constants.java

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package task3.teastall;
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import java.util.HashMap;
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import java.util.Map;
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public class Constants {
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public static final String MESSAGE_END = "END";
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public static final String SERVER_ADDRESS = "127.0.0.1";
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public static final int SERVER_PORT = 5000;
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public static Map<String, Integer> getInitialItems() {
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Map<String, Integer> items = new HashMap<>();
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items.put("Coffee", 0);
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items.put("Tea", 0);
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items.put("Snacks", 100);
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items.put("Chips", 100);
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return items;
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}
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}

‎JavaProgramming/src/task3/teastall/client/Client.java

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package task3.teastall.client;
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import task3.teastall.Constants;
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import javax.swing.*;
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import javax.swing.table.DefaultTableModel;
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import java.io.BufferedInputStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.net.Socket;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import static java.lang.System.out;
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public class Client {
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private Map<String, Integer> OrderItemList;
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private List<String> Items;
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private Socket socket = null;
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private DataInputStream dataInputStream = null;
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private Client() {
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OrderItemList = new HashMap<>();
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Items = new ArrayList<>();
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establishConnection(Constants.SERVER_ADDRESS, Constants.SERVER_PORT);
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generateGui();
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}
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private void establishConnection(String address, int port) {
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// establish a connection
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try {
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socket = new Socket(address, port);
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out.println("Connected to server");
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// takes input from terminal
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dataInputStream = new DataInputStream(new BufferedInputStream(socket.getInputStream()));
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} catch (IOException i) {
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System.out.println(i);
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}
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// string to read message from input
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String line = "";
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// keep reading until "End" is input
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while (!line.equals(Constants.MESSAGE_END)) {
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try {
48+
this.Items.add(line);
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line = dataInputStream.readUTF();
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} catch (IOException i) {
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System.out.println(i);
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}
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}
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}
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private void generateGui() {
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JFrame frame = new JFrame(); //creating instance of JFrame
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JLabel itemLabel = new JLabel("Select the item to order");
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JLabel quantityLabel = new JLabel("Select the quantity of item to order.");
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JButton orderButton = new JButton("Order");//creating instance of JButton
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JButton addButton = new JButton("Add");//creating instance of JButton
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SpinnerModel spinnerNumberModel = new SpinnerNumberModel(1, //initial value
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1, //minimum value
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10, //maximum value
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1); //step
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JSpinner quantitySpinner = new JSpinner(spinnerNumberModel);
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JList itemList = new JList(Items.toArray());
69+
DefaultTableModel orderDetailsTable = new DefaultTableModel(new String[]{"S.No.", "Item", "Qty"}, 0);
70+
JTable orderTable = new JTable(orderDetailsTable);
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JScrollPane orderDetails = new JScrollPane(orderTable);
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// x axis, y axis, width, height
75+
itemLabel.setBounds(50, 50, 250, 30);
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itemList.setBounds(350, 50, 100, 150);
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quantityLabel.setBounds(50, 250, 250, 30);
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quantitySpinner.setBounds(350, 250, 50, 30);
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addButton.setBounds(250, 400, 100, 40);
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orderDetails.setBounds(50, 500, 500, 200);
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orderButton.setBounds(250, 750, 100, 40);
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83+
addButton.addActionListener(actionEvent -> {
84+
String item = Items.get(itemList.getSelectedIndex());
85+
Integer quantity = OrderItemList.getOrDefault(item, 0) + (Integer) quantitySpinner.getValue();
86+
out.println(quantity);
87+
OrderItemList.put(item, quantity);
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orderDetailsTable.setRowCount(0);
89+
OrderItemList.forEach((key, value) -> orderDetailsTable.addRow(new Object[]{orderDetailsTable.getRowCount() + 1, key, value}));
90+
if (OrderItemList.size() > 0) {
91+
orderButton.setEnabled(true);
92+
} else {
93+
orderButton.setEnabled(false);
94+
}
95+
});
96+
orderButton.setEnabled(false);
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98+
frame.add(itemLabel);
99+
frame.add(itemList);
100+
frame.add(quantityLabel);
101+
frame.add(quantitySpinner);
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frame.add(addButton);//adding addButton in JFrame
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frame.add(orderDetails);
104+
frame.add(orderButton);//adding orderButton in JFrame
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107+
frame.setSize(600, 800);//600 width and 800 height
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109+
frame.setLayout(null);//using no layout managers
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111+
frame.setVisible(true);//making the frame visible
112+
}
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114+
public static void main(String[] args) {
115+
new Client();
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}
117+
}

‎JavaProgramming/src/task3/teastall/server/Server.java

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1+
package task3.teastall.server;
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3+
import task3.teastall.Constants;
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5+
import java.io.BufferedInputStream;
6+
import java.io.DataInputStream;
7+
import java.io.DataOutputStream;
8+
import java.io.IOException;
9+
import java.net.ServerSocket;
10+
import java.net.Socket;
11+
import java.util.ArrayList;
12+
import java.util.HashMap;
13+
import java.util.List;
14+
import java.util.Map;
15+
16+
public class Server {
17+
private Map<String, Integer> Items; // Item, Stock
18+
private List<Map<String, Integer>> OrdersRecieved;
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20+
// constructor with port
21+
public Server(int port) {
22+
Items = Constants.getInitialItems();
23+
OrdersRecieved = new ArrayList<>();
24+
25+
// starts server and waits for a connection
26+
try {
27+
ServerSocket server = new ServerSocket(port);
28+
System.out.println("Tea Stall Server started");
29+
30+
// initialize socket and input stream
31+
Socket socket = server.accept();
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33+
// takes input from the client socket
34+
DataInputStream dataInputStream = new DataInputStream(new BufferedInputStream(socket.getInputStream()));
35+
DataOutputStream dataOutputStream = new DataOutputStream(socket.getOutputStream());
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37+
String line = "";
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39+
// Send message
40+
System.out.println("Sending available items");
41+
for (String item : Items.keySet()) {
42+
dataOutputStream.writeUTF(item);
43+
}
44+
dataOutputStream.writeUTF(Constants.MESSAGE_END);
45+
dataOutputStream.close();
46+
47+
System.out.println("Receiving Orders");
48+
// reads message from client until "END" is sent
49+
while (!line.equals(Constants.MESSAGE_END)) {
50+
try {
51+
line = dataInputStream.readUTF();
52+
System.out.println(line);
53+
} catch (IOException i) {
54+
System.out.println(i);
55+
}
56+
}
57+
// close connection
58+
socket.close();
59+
dataInputStream.close();
60+
} catch (IOException i) {
61+
System.out.println(i);
62+
}
63+
}
64+
65+
public static void main(String[] args) {
66+
new Server(Constants.SERVER_PORT);
67+
}
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}

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