KeyStroke redoKeyStroke1 = KeyStroke.getKeyStroke(KeyEvent.VK_Y, menuShortcutKeyMask);
        KeyStroke redoKeyStroke2 = KeyStroke.getKeyStroke(KeyEvent.VK_Z, menuShortcutKeyMask | InputEvent.SHIFT_DOWN_MASK);

package com.netspi.awssigner.controller;

import static com.netspi.awssigner.log.LogWriter.*;
import com.netspi.awssigner.model.Profile;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.util.Optional;
import java.util.function.BiConsumer;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.JTextComponent;
import java.util.Set;
import java.util.HashSet;

class TextComponentFocusListener<T extends Profile> implements FocusListener {

    private final AWSSignerController controller;
    private final String propertyLoggingName;
    private final BiConsumer<T, String> updateFunction;
    private Optional<Profile> currentProfileOptional = Optional.empty();
    private String previousValue = "";
    private static final Set<JTextComponent> initializedTextComponents = new HashSet<>();

    public TextComponentFocusListener(AWSSignerController controller, String propertyLoggingName, BiConsumer<T, String> updateFunction) {
        this.controller = controller;
        this.propertyLoggingName = propertyLoggingName;
        this.updateFunction = updateFunction;
    }

    @Override
    public void focusGained(FocusEvent e) {
        JTextComponent textComponent = (JTextComponent) e.getComponent();
        currentProfileOptional = controller.getCurrentSelectedProfile();
        previousValue = textComponent.getText();

        // Add DocumentListener only once per component
        if (!initializedTextComponents.contains(textComponent)) {
            textComponent.getDocument().addDocumentListener(new DocumentListener() {
                @Override
                public void insertUpdate(DocumentEvent e) {
                    textChanged(textComponent);
                }

                @Override
                public void removeUpdate(DocumentEvent e) {
                    textChanged(textComponent);
                }

                @Override
                public void changedUpdate(DocumentEvent e) {
                    // Typically not used for plain text components
                }
            });
            initializedTextComponents.add(textComponent);
        }

        logDebug("Profile " + propertyLoggingName + " Text Field focus gained. Cause: " + e.getCause() + " ID:" + e.getID() + " Current value: " + previousValue);
    }

    @Override
    public void focusLost(FocusEvent e) {
        JTextComponent textComponent = (JTextComponent) e.getComponent();
        logDebug("Profile " + propertyLoggingName + " Text Field focus lost. Cause: " + e.getCause() + " ID:" + e.getID());
        String currentText = textComponent.getText();
        if (!previousValue.equals(currentText)) {
            updateProfile(currentText);
        }
    }

    private void textChanged(JTextComponent textComponent) {
        String currentText = textComponent.getText();
        if (!previousValue.equals(currentText)) {
            previousValue = currentText;
            updateProfile(currentText);
        }
    }

    private void updateProfile(String currentText) {
        if (currentProfileOptional.isPresent()) {
            Profile currentProfile = currentProfileOptional.get();
            logInfo("Profile " + currentProfile.getName() + " " + propertyLoggingName + " text changed. New Value: " + currentText);
            updateFunction.accept((T) currentProfile, currentText);
            controller.updateProfileStatus();
        } else {
            logDebug("Profile " + propertyLoggingName + " changed, but no profile selected. Ignoring.");
        }
    }
}

package com.netspi.awssigner.controller;

import static com.netspi.awssigner.log.LogWriter.*;
import com.netspi.awssigner.model.Profile;
import java.awt.event.FocusEvent;
import java.awt.event.FocusListener;
import java.util.Optional;
import java.util.function.BiConsumer;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.JTextComponent;

class TextComponentChangeListener<T extends Profile> implements FocusListener, DocumentListener {

    private final AWSSignerController controller;
    private final JTextComponent textComponent;
    private final String propertyLoggingName;
    private final BiConsumer<T, String> updateFunction;
    private String previousValue = "";

    public TextComponentChangeListener(AWSSignerController controller, JTextComponent textComponent, String propertyLoggingName, BiConsumer<T, String> updateFunction) {
        this.controller = controller;
        this.textComponent = textComponent;
        this.propertyLoggingName = propertyLoggingName;
        this.updateFunction = updateFunction;

        // Initialize previousValue and add listeners once
        this.previousValue = textComponent.getText();
        this.textComponent.addFocusListener(this);
        this.textComponent.getDocument().addDocumentListener(this);
    }

    @Override
    public void focusGained(FocusEvent e) {
        previousValue = textComponent.getText(); // Update previous value on focus gain
        logDebug("Profile " + propertyLoggingName + " Text Field focus gained. Cause: " + e.getCause() + " ID:" + e.getID() + " Current value: " + previousValue);
    }

    @Override
    public void focusLost(FocusEvent e) {
        logDebug("Profile " + propertyLoggingName + " Text Field focus lost. Cause: " + e.getCause() + " ID:" + e.getID());
        String currentText = textComponent.getText();
        if (!previousValue.equals(currentText)) {
            updateProfile(currentText);
        }
    }

    // DocumentListener methods
    @Override
    public void insertUpdate(DocumentEvent e) {
        textChanged();
    }

    @Override
    public void removeUpdate(DocumentEvent e) {
        textChanged();
    }

    @Override
    public void changedUpdate(DocumentEvent e) {
        // Typically not used for plain text components
    }

    private void textChanged() {
        String currentText = textComponent.getText();
        if (!previousValue.equals(currentText)) {
            previousValue = currentText;
            updateProfile(currentText);
        }
    }

    private void updateProfile(String currentText) {
        Optional<Profile> currentProfileOptional = controller.getCurrentSelectedProfile();
        if (currentProfileOptional.isPresent()) {
            Profile currentProfile = currentProfileOptional.get();
            try {
                @SuppressWarnings("unchecked")
                T profile = (T) currentProfile;
                logInfo("Profile " + currentProfile.getName() + " " + propertyLoggingName + " text changed. New Value: " + currentText);
                updateFunction.accept(profile, currentText);
                controller.updateProfileStatus();
            } catch (ClassCastException e) {
                logError("Type mismatch: Cannot cast " + currentProfile.getClass().getName() + " to the expected type.");
            }
        } else {
            logDebug("Profile " + propertyLoggingName + " changed, but no profile selected. Ignoring.");
        }
    }
}

private void initListeners() {
    // ...

    // Profile Region text field
    new TextComponentChangeListener<>(this, view.profileRegionTextField, "Region", Profile::setRegion);

    // Profile Service text field
    new TextComponentChangeListener<>(this, view.profileServiceTextField, "Service", Profile::setService);

    // Profile Key Id text field
    new TextComponentChangeListener<>(this, view.profileKeyIdTextField, "Key Id", Profile::setKeyId);

    // Static Credentials Access Key text field
    new TextComponentChangeListener<>(this, view.staticAccessKeyTextField, "Static Credentials Access Key", StaticCredentialsProfile::setAccessKey);

    // Static Credentials Secret Key text field
    new TextComponentChangeListener<>(this, view.staticSecretKeyTextField, "Static Credentials Secret Key", StaticCredentialsProfile::setSecretKey);

    // Static Credentials Session Token text field
    new TextComponentChangeListener<>(this, view.staticSessionTokenTextField, "Static Credentials Session Token", StaticCredentialsProfile::setSessionToken);

    // AssumeRole Role ARN text field
    new TextComponentChangeListener<>(this, view.assumeRoleRoleArnTextField, "AssumeRole Role ARN", AssumeRoleProfile::setRoleArn);

    // AssumeRole Session Name text field
    new TextComponentChangeListener<>(this, view.assumeRoleSessionNameTextField, "AssumeRole Session Name", AssumeRoleProfile::setSessionName);

    // AssumeRole External Id text field
    new TextComponentChangeListener<>(this, view.assumeRoleExternalIdTextField, "AssumeRole External Id", AssumeRoleProfile::setExternalId);

    // AssumeRole Duration text field
    new TextComponentChangeListener<>(this, view.assumeRoleDurationTextField, "AssumeRole Duration Seconds", AssumeRoleProfile::setDurationSecondsFromText);

    // AssumeRole Session Policy text area
    new TextComponentChangeListener<>(this, view.assumeRoleSessionPolicyTextArea, "AssumeRole Session Policy", AssumeRoleProfile::setSessionPolicy);

    // Command Command text field
    new TextComponentChangeListener<>(this, view.commandCommandTextField, "Command Command", CommandProfile::setCommand);

    // Command Duration text field
    new TextComponentChangeListener<>(this, view.commandDurationTextField, "Command Duration Seconds", CommandProfile::setDurationSecondsFromText);

    // ...
}