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Author: Hunterdii

Diff for: Task-4 CurrencyConvertor/CurrencyConverter.java

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+import javax.swing.*;
+import javax.swing.border.EmptyBorder;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+
+public class CurrencyConverter {
+
+    private JTextField amountField;
+    private JComboBox<String> baseCurrencyComboBox;
+    private JComboBox<String> targetCurrencyComboBox;
+    private JLabel resultLabel;
+    private JLabel feedbackLabel;
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            new CurrencyConverter().createAndShowGUI();
+        });
+    }
+
+    private void createAndShowGUI() {
+        JFrame frame = new JFrame("Currency Converter");
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setSize(600, 400); 
+        frame.getContentPane().setBackground(new Color(54, 57, 63)); 
+        frame.setLayout(new BorderLayout());
+
+        JPanel inputPanel = new JPanel(new GridBagLayout());
+        inputPanel.setBorder(new EmptyBorder(30, 30, 30, 30)); 
+        inputPanel.setBackground(new Color(54, 57, 63));
+        GridBagConstraints gbc = new GridBagConstraints();
+
+        JLabel title = new JLabel("Currency Converter");
+        title.setFont(new Font("Arial", Font.BOLD, 28)); 
+        title.setForeground(Color.WHITE); 
+        gbc.gridx = 0;
+        gbc.gridy = 0;
+        gbc.gridwidth = 2;
+        gbc.insets = new Insets(0, 0, 30, 0);
+        inputPanel.add(title, gbc);
+
+        JLabel amountLabel = new JLabel("Amount:");
+        amountLabel.setForeground(Color.WHITE);
+        gbc.gridx = 0;
+        gbc.gridy = 1;
+        gbc.gridwidth = 1;
+        gbc.insets = new Insets(0, 0, 10, 10);
+        inputPanel.add(amountLabel, gbc);
+
+        amountField = new JTextField(15); 
+        amountField.setPreferredSize(new Dimension(200, 30)); 
+        gbc.gridx = 1;
+        gbc.gridy = 1;
+        gbc.insets = new Insets(0, 0, 10, 0);
+        inputPanel.add(amountField, gbc);
+
+        JLabel baseCurrencyLabel = new JLabel("Base Currency:");
+        baseCurrencyLabel.setForeground(Color.WHITE);
+        gbc.gridx = 0;
+        gbc.gridy = 2;
+        gbc.insets = new Insets(0, 0, 10, 10);
+        inputPanel.add(baseCurrencyLabel, gbc);
+
+        baseCurrencyComboBox = new JComboBox<>(new String[]{"Indian Rupee (INR)", "US Dollar (USD)", "Euro (EUR)", "British Pound (GBP)", "Japanese Yen (JPY)", "Australian Dollar (AUD)", "Canadian Dollar (CAD)", "Swiss Franc (CHF)", "Chinese Yuan (CNY)", "Swedish Krona (SEK)"});
+        baseCurrencyComboBox.setPreferredSize(new Dimension(200, 30)); 
+        gbc.gridx = 1;
+        gbc.gridy = 2;
+        gbc.insets = new Insets(0, 0, 10, 0);
+        inputPanel.add(baseCurrencyComboBox, gbc);
+
+        JLabel targetCurrencyLabel = new JLabel("Target Currency:");
+        targetCurrencyLabel.setForeground(Color.WHITE);
+        gbc.gridx = 0;
+        gbc.gridy = 3;
+        gbc.insets = new Insets(0, 0, 10, 10);
+        inputPanel.add(targetCurrencyLabel, gbc);
+
+        targetCurrencyComboBox = new JComboBox<>(new String[]{"Indian Rupee (INR)", "US Dollar (USD)", "Euro (EUR)", "British Pound (GBP)", "Japanese Yen (JPY)", "Australian Dollar (AUD)", "Canadian Dollar (CAD)", "Swiss Franc (CHF)", "Chinese Yuan (CNY)", "Swedish Krona (SEK)"});
+        targetCurrencyComboBox.setPreferredSize(new Dimension(200, 30));
+        gbc.gridx = 1;
+        gbc.gridy = 3;
+        gbc.insets = new Insets(0, 0, 10, 0);
+        inputPanel.add(targetCurrencyComboBox, gbc);
+
+        JButton convertButton = new JButton("Convert");
+        convertButton.setBackground(new Color(255, 193, 7)); 
+        convertButton.setForeground(Color.BLACK); 
+        convertButton.setFocusPainted(false); 
+        convertButton.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                convertCurrency();
+            }
+        });
+        gbc.gridx = 1;
+        gbc.gridy = 4;
+        gbc.anchor = GridBagConstraints.LINE_END;
+        inputPanel.add(convertButton, gbc);
+
+        JPanel resultPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));
+        resultPanel.setBackground(new Color(54, 57, 63));
+
+        resultLabel = new JLabel();
+        resultLabel.setFont(new Font("Arial", Font.BOLD, 24)); 
+        resultLabel.setForeground(Color.WHITE);
+        resultPanel.add(resultLabel);
+
+        feedbackLabel = new JLabel();
+        feedbackLabel.setForeground(Color.RED);
+        resultPanel.add(feedbackLabel);
+
+        frame.add(inputPanel, BorderLayout.NORTH);
+        frame.add(resultPanel, BorderLayout.CENTER);
+        
+        frame.setLocationRelativeTo(null);
+        
+        frame.setVisible(true);
+    }
+
+    private void convertCurrency() {
+        try {
+            String baseCurrency = ((String) baseCurrencyComboBox.getSelectedItem()).split("\\(")[1].split("\\)")[0].trim();
+            String targetCurrency = ((String) targetCurrencyComboBox.getSelectedItem()).split("\\(")[1].split("\\)")[0].trim();
+            double amount = Double.parseDouble(amountField.getText());
+
+            // Fetch exchange rate from API
+            String apiUrl = "https://api.exchangerate-api.com/v4/latest/" + baseCurrency;
+            URL url = new URL(apiUrl);
+            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+            connection.setRequestMethod("GET");
+
+            BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+            String line;
+            StringBuilder response = new StringBuilder();
+
+            while ((line = reader.readLine()) != null) {
+                response.append(line);
+            }
+
+            reader.close();
+            connection.disconnect();
+
+            double exchangeRate = Double.parseDouble(response.toString().split("\"" + targetCurrency + "\":")[1]
+                    .split(",")[0].replace("}", "").trim());
+
+            double result = amount * exchangeRate;
+
+            String currencySign = getCurrencySign(targetCurrency);
+
+            resultLabel.setText(String.format("%.2f %s", result, currencySign + " " + targetCurrency));
+            feedbackLabel.setText(""); // Clear any previous error messages
+        } catch (Exception ex) {
+            resultLabel.setText("");
+            feedbackLabel.setText("Error converting currency. Please check your input.");
+        }
+    }
+
+    private String getCurrencySign(String currencyCode) {
+        switch (currencyCode) {
+            case "INR":
+                return "₹";
+            case "USD":
+                return "$";
+            case "EUR":
+                return "€";
+            case "GBP":
+                return "£";
+            case "JPY":
+                return "¥";
+            case "AUD":
+                return "A$";
+            case "CAD":
+                return "C$";
+            case "CHF":
+                return "CHF";
+            case "CNY":
+                return "¥";
+            case "SEK":
+                return "kr";
+            default:
+                return "";
+        }
+    }
+}