modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/dialog/pref/DataSourceCreator.java [61:132]:
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            if (!dataSources.containsKey(suggestion)) {
                break;
            }
        }

        this.view.getDataSourceName().setText(suggestion);
        initBindings();
    }

    public Component getView() {
        return view;
    }

    protected void initBindings() {
        BindingBuilder builder = new BindingBuilder(
                getApplication().getBindingFactory(),
                this);
        builder.bindToAction(view.getCancelButton(), "cancelAction()");
        builder.bindToAction(view.getOkButton(), "okAction()");
    }

    public void okAction() {
        if (getName() == null) {
            JOptionPane.showMessageDialog(
                    view,
                    "Enter DataSource Name",
                    null,
                    JOptionPane.WARNING_MESSAGE);
        }
        else if (dataSources.containsKey(getName())) {
            JOptionPane.showMessageDialog(
                    view,
                    "'" + getName() + "' is already in use, enter a different name",
                    null,
                    JOptionPane.WARNING_MESSAGE);
        }
        else {
            canceled = false;
            view.dispose();
        }
    }

    public void cancelAction() {
        canceled = true;
        view.dispose();
    }

    /**
     * Pops up a dialog and blocks current thread until the dialog is closed.
     */
    public DBConnectionInfo startupAction() {
        // this should handle closing via ESC
        canceled = true;

        view.setModal(true);
        view.pack();
        view.setResizable(false);
        makeCloseableOnEscape();
        centerView();

        view.setVisible(true);
        return createDataSource();
    }

    public String getName() {
        String name = view.getDataSourceName().getText();
        return (name.length() > 0) ? name : null;
    }

    protected DBConnectionInfo createDataSource() {
        if (canceled) {
            return null;
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modeler/cayenne-modeler/src/main/java/org/apache/cayenne/modeler/dialog/pref/DataSourceDuplicator.java [51:122]:
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            if (!dataSources.containsKey(suggestion)) {
                break;
            }
        }

        this.view.getDataSourceName().setText(suggestion);
        initBindings();
    }

    public Component getView() {
        return view;
    }

    protected void initBindings() {
        BindingBuilder builder = new BindingBuilder(
                getApplication().getBindingFactory(),
                this);
        builder.bindToAction(view.getCancelButton(), "cancelAction()");
        builder.bindToAction(view.getOkButton(), "okAction()");
    }

    public void okAction() {
        if (getName() == null) {
            JOptionPane.showMessageDialog(
                    view,
                    "Enter DataSource Name",
                    null,
                    JOptionPane.WARNING_MESSAGE);
        }
        else if (dataSources.containsKey(getName())) {
            JOptionPane.showMessageDialog(
                    view,
                    "'" + getName() + "' is already in use, enter a different name",
                    null,
                    JOptionPane.WARNING_MESSAGE);
        }
        else {
            canceled = false;
            view.dispose();
        }
    }

    public void cancelAction() {
        canceled = true;
        view.dispose();
    }

    /**
     * Pops up a dialog and blocks current thread until the dialog is closed.
     */
    public DBConnectionInfo startupAction() {
        // this should handle closing via ESC
        canceled = true;

        view.setModal(true);
        view.pack();
        view.setResizable(false);
        makeCloseableOnEscape();
        centerView();

        view.setVisible(true);
        return createDataSource();
    }

    public String getName() {
        String name = view.getDataSourceName().getText();
        return (name.length() > 0) ? name : null;
    }

    protected DBConnectionInfo createDataSource() {
        if (canceled) {
            return null;
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