protected void validate()

in plugins/connection.ui/src/main/java/org/apache/directory/studio/connection/ui/widgets/AuthenticationParameterPage.java [505:595]
75 lines of code
37 McCabe index (conditional complexity)

    protected void validate()
    {
        // set enabled/disabled state of fields and buttons
        if ( saslComposite != null )
        {
            for ( Control c : saslComposite.getChildren() )
            {
                c.setEnabled( isSaslEnabled() );
            }
            saslRealmText.setEnabled( isSaslRealmTextEnabled() );
        }

        // TODO: get setting from global preferences.
        Preferences preferences = ConnectionCorePlugin.getDefault().getPluginPreferences();
        boolean useKrb5SystemProperties = preferences
            .getBoolean( ConnectionCoreConstants.PREFERENCE_USE_KRB5_SYSTEM_PROPERTIES );

        if ( krb5Composite != null )
        {
            krb5CredentialConfigurationUseNativeButton.setEnabled( isGssapiEnabled() && !useKrb5SystemProperties );
            krb5CredentialConfigurationObtainTgtButton.setEnabled( isGssapiEnabled() && !useKrb5SystemProperties );

            krb5ConfigDefaultButton.setEnabled( isGssapiEnabled() && !useKrb5SystemProperties );
            krb5ConfigFileButton.setEnabled( isGssapiEnabled() && !useKrb5SystemProperties );
            krb5ConfigManualButton.setEnabled( isGssapiEnabled() && !useKrb5SystemProperties );

            krb5ConfigFileText.setEnabled( isGssapiEnabled() && krb5ConfigFileButton.getSelection()
                && !useKrb5SystemProperties );
            krb5ConfigManualRealmText.setEnabled( isGssapiEnabled() && krb5ConfigManualButton.getSelection()
                && !useKrb5SystemProperties );
            krb5ConfigManualHostText.setEnabled( isGssapiEnabled() && krb5ConfigManualButton.getSelection()
                && !useKrb5SystemProperties );
            krb5ConfigManualPortText.setEnabled( isGssapiEnabled() && krb5ConfigManualButton.getSelection()
                && !useKrb5SystemProperties );
        }

        bindPrincipalCombo.setEnabled( isPrincipalPasswordEnabled() );
        bindPasswordText.setEnabled( isPrincipalPasswordEnabled() && isSaveBindPassword() );
        saveBindPasswordButton.setEnabled( isPrincipalPasswordEnabled() );
        checkPrincipalPasswordAuthButton
            .setEnabled( ( isPrincipalPasswordEnabled() && isSaveBindPassword()
                && !bindPrincipalCombo.getText().equals( StringUtils.EMPTY )
                && !bindPasswordText.getText().equals( StringUtils.EMPTY ) ) || isGssapiEnabled() ); //$NON-NLS-1$ //$NON-NLS-2$

        // validate input fields
        message = null;
        infoMessage = null;
        errorMessage = null;

        if ( isPrincipalPasswordEnabled() )
        {
            if ( isSaveBindPassword() && Strings.isEmpty( bindPasswordText.getText() ) ) //$NON-NLS-1$
            {
                message = Messages.getString( "AuthenticationParameterPage.PleaseEnterBindPassword" ); //$NON-NLS-1$
            }

            if ( Strings.isEmpty( bindPrincipalCombo.getText() ) && !isGssapiEnabled() ) //$NON-NLS-1$
            {
                message = Messages.getString( "AuthenticationParameterPage.PleaseEnterBindDNOrUser" ); //$NON-NLS-1$
            }
        }

        if ( isSaslRealmTextEnabled() && Strings.isEmpty( saslRealmText.getText() ) ) //$NON-NLS-1$
        {
            infoMessage = Messages.getString( "AuthenticationParameterPage.PleaseEnterSaslRealm" ); //$NON-NLS-1$
        }

        if ( isGssapiEnabled() && krb5ConfigFileButton.getSelection()
            && Strings.isEmpty( krb5ConfigFileText.getText() ) ) //$NON-NLS-1$
        {
            message = Messages.getString( "AuthenticationParameterPage.PleaseEnterKrb5ConfigFile" ); //$NON-NLS-1$
        }

        if ( isGssapiEnabled() && krb5ConfigManualButton.getSelection() )
        {
            if ( Strings.isEmpty( krb5ConfigManualPortText.getText() ) ) //$NON-NLS-1$
            {
                message = Messages.getString( "AuthenticationParameterPage.PleaseEnterKrb5Port" ); //$NON-NLS-1$
            }

            if ( Strings.isEmpty( krb5ConfigManualHostText.getText() ) ) //$NON-NLS-1$
            {
                message = Messages.getString( "AuthenticationParameterPage.PleaseEnterKrb5Host" ); //$NON-NLS-1$
            }

            if ( Strings.isEmpty( krb5ConfigManualRealmText.getText() ) ) //$NON-NLS-1$
            {
                message = Messages.getString( "AuthenticationParameterPage.PleaseEnterKrb5Realm" ); //$NON-NLS-1$
            }
        }
    }