empire-db-jakarta-faces/src/main/java/org/apache/empire/jakarta/controls/InputControl.java [668:909]:
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                    return null;
                }
            }
            // Should not happen!
            throw new UnexpectedReturnValueException(null, "comp.getChildren().get()");
        }
        // found one
        return inp;
    }

    protected String getInputStyleClass(InputInfo ii, String additonalStyle)
    {
        return ii.getStyleClass(additonalStyle);
    }

    protected void setInputStyleClass(UIInput input, String cssStyleClass)
    {
        input.getAttributes().put(InputControl.CSS_STYLE_CLASS, cssStyleClass);
    }

    protected void copyAttributes(UIComponent parent, InputInfo ii, UIInput input, String additonalStyle)
    {
        String inputId = ii.getInputId();
        if (StringUtils.isNotEmpty(inputId))
        {
            input.getAttributes().put("id", inputId);
        }

        // set style class
        String styleClass = getInputStyleClass(ii, additonalStyle);
        setInputStyleClass(input, styleClass);

        // copy standard attributes
        copyAttribute(ii, input, "style");
        copyAttribute(ii, input, "tabindex");
        copyAttribute(ii, input, "onchange");
        copyAttribute(ii, input, "onfocus");
        copyAttribute(ii, input, "onblur");
        copyAttribute(ii, input, "onkeydown");
        copyAttribute(ii, input, "onkeyup");
        copyAttribute(ii, input, "onclick");

        // immediate
        Object immediate = ii.getAttribute("immediate");
        if (immediate != null && ObjectUtils.getBoolean(immediate))
        {
            InputControl.log.warn("Immediate attribute is not yet supported for {}!", ii.getColumn().getName());
            // input.setImmediate(true);
        }

        // validator
        // input.addValidator(new ColumnValueValidator(ii.getColumn()));
    }

    protected final void copyAttributes(UIComponent parent, InputInfo ii, UIInput input)
    {
        String addlStyles = null;
        if (ii.isRequired())
        {   // required
            addlStyles = TagStyleClass.INPUT_REQ.get();
        }
        if (ii.isModified()) 
        {   // modified
            addlStyles = TagStyleClass.INPUT_MOD.addTo(addlStyles);
        }
        copyAttributes(parent, ii, input, addlStyles);
    }

    protected void copyAttribute(InputInfo ii, UIInput input, String name)
    {
        if (ii == null)
            throw new InvalidArgumentException("InputInfo", ii);
        // get Attribute
        Object value = ii.getAttribute(name);
        if (value == null)
            value = ii.getColumn().getAttribute(name);
        if (value != null)
            input.getAttributes().put(name, String.valueOf(value));
    }
    
    public void addRemoveValueNullStyle(UIInput input, boolean nullValue)
    {
        addRemoveStyle(input, TagStyleClass.VALUE_NULL, nullValue);
    }

    public void addRemoveDisabledStyle(UIInput input, boolean disabled)
    {
        addRemoveStyle(input, TagStyleClass.INPUT_DIS, disabled);
    }

    public void addRemoveInvalidStyle(UIInput input, boolean invalid)
    {
        addRemoveStyle(input, TagStyleClass.VALUE_INVALID, invalid);
    }
    
    public void addRemoveStyle(UIInput input, String styleName, boolean setStyle)
    {
        String styleClasses = StringUtils.toString(input.getAttributes().get(InputControl.CSS_STYLE_CLASS), "");
        boolean hasStyle = TagStyleClass.existsIn(styleClasses, styleName);
        if (setStyle == hasStyle)
            return; // Nothing to do
        // Special IceFaces patch
        if (styleClasses.endsWith("-dis"))
            styleClasses = styleClasses.substring(0, styleClasses.length() - 4);
        // add or remove disabled style
        if (setStyle)
            styleClasses = TagStyleClass.addTo(styleClasses, styleName);
        else
            styleClasses = TagStyleClass.removeFrom(styleClasses, styleName);
        // add Style
        setInputStyleClass(input, styleClasses);
    }

    public final void addRemoveStyle(UIInput input, TagStyleClass style, boolean setStyle)
    {
        this.addRemoveStyle(input, style.get(), setStyle);
    }
    
    /**
     * Returns the value formated as a string
     * this is a simple default implementation that does no type-secific formatting
     * Derived classes may override formatString an provide further formmatting
     * see TextInputControl for details
     * 
     * @param value
     *            the value to be formatted
     * @param vi
     *            Meta-information about the value
     * @return the formatted value
     */
    protected String formatValue(Object value, ValueInfo vi)
    {
        // For Enums use toString() to retrieve Value
        if ((value instanceof Enum<?>) && !hasFormatOption(vi, "nolookup"))
        { // Handle enum
            String text = ((Enum<?>) value).toString();
            if (text != null)
                return vi.getText(text);
            // Error
            InputControl.log.error("The enum '" + ((Enum<?>) value).name() + "' has no text!");
        }
        // Lookup and return text
        Options options = vi.getOptions();
        if (options != null && !hasFormatOption(vi, "nolookup"))
        {   // getOptionText
            String text = getOptionText(options, value, vi);
            if (text!=null)
                return text;
        }
        // value
        if (value == null)
            value = getFormatOption(vi, InputControl.FORMAT_NULL, InputControl.FORMAT_NULL_ATTRIBUTE);
        // Convert to String
        return StringUtils.toString(value, StringUtils.EMPTY);
    }

    /**
     * Returns the display text for an option
     * @param options the options
     * @param value the value
     * @param vi the value info
     * @return the display text or null if the option value could not be resolved
     */
    protected String getOptionText(Options options, Object value, ValueInfo vi)
    {
        if (options == null)
            throw new InvalidArgumentException("options", options);
        // Check for Options
        OptionEntry entry = options.getEntry(value);
        if (entry!=null)
            return vi.getText(entry.getText());
        // Check empty
        if (ObjectUtils.isEmpty(value))
            return StringUtils.EMPTY;
        // Error: Value not found! 
        String column = (vi.getColumn()!=null ? vi.getColumn().getName() : "?");
        log.error("The element \"{}\" is not part of the supplied option list for column {}", value, column);
        return null; 
    }

    /**
     * checks if a particular formating option has been specified.
     * 
     * @param vi
     *            the value info
     * @param option
     *            the formating option to check
     * @return true if the requested formating option has been specified or false otherwise
     */
    protected boolean hasFormatOption(ValueInfo vi, String option)
    {
        String format = vi.getFormat();
        return (format != null ? format.indexOf(option) >= 0 : false);
    }

    protected boolean hasFormatOption(ValueInfo vi, String option, String columnAttributeName)
    {
        if (hasFormatOption(vi, option))
            return true;
        // column format provided?
        Column column = vi.getColumn();
        return (column!=null ? !ObjectUtils.isEmpty(column.getAttribute(columnAttributeName)) : false);
    }
    
    protected String getFormatOption(ValueInfo vi, String option)
    {
        // Is unit supplied with format
        String format = vi.getFormat();
        if (format == null)
            return null;
        // Check for option
        int beg = format.indexOf(option);
        if (beg < 0)
            return null;
        // Find
        beg = beg + option.length();
        int end = format.indexOf(';', beg + 1);
        if (end < beg)
            return format.substring(beg);
        // The cbValue
        return format.substring(beg, end);
    }

    protected Object getFormatOption(ValueInfo vi, String option, String columnAttributeName)
    {
        // direct format provided?
        String format = getFormatOption(vi, option);
        if (format!=null)
            return format;
        // column format provided?
        Column column = vi.getColumn();
        return (column!=null ? column.getAttribute(columnAttributeName) : null);
    }

    protected String getFormatString(ValueInfo vi, String option, String columnAttributeName)
    {
        return StringUtils.toString(getFormatOption(vi, option, columnAttributeName));
    }

    protected int getFormatInteger(ValueInfo vi, String option, String columnAttributeName)
    {
        return ObjectUtils.getInteger(getFormatOption(vi, option, columnAttributeName));
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empire-db-jsf2/src/main/java/org/apache/empire/jsf2/controls/InputControl.java [668:909]:
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                    return null;
                }
            }
            // Should not happen!
            throw new UnexpectedReturnValueException(null, "comp.getChildren().get()");
        }
        // found one
        return inp;
    }

    protected String getInputStyleClass(InputInfo ii, String additonalStyle)
    {
        return ii.getStyleClass(additonalStyle);
    }

    protected void setInputStyleClass(UIInput input, String cssStyleClass)
    {
        input.getAttributes().put(InputControl.CSS_STYLE_CLASS, cssStyleClass);
    }

    protected void copyAttributes(UIComponent parent, InputInfo ii, UIInput input, String additonalStyle)
    {
        String inputId = ii.getInputId();
        if (StringUtils.isNotEmpty(inputId))
        {
            input.getAttributes().put("id", inputId);
        }

        // set style class
        String styleClass = getInputStyleClass(ii, additonalStyle);
        setInputStyleClass(input, styleClass);

        // copy standard attributes
        copyAttribute(ii, input, "style");
        copyAttribute(ii, input, "tabindex");
        copyAttribute(ii, input, "onchange");
        copyAttribute(ii, input, "onfocus");
        copyAttribute(ii, input, "onblur");
        copyAttribute(ii, input, "onkeydown");
        copyAttribute(ii, input, "onkeyup");
        copyAttribute(ii, input, "onclick");

        // immediate
        Object immediate = ii.getAttribute("immediate");
        if (immediate != null && ObjectUtils.getBoolean(immediate))
        {
            InputControl.log.warn("Immediate attribute is not yet supported for {}!", ii.getColumn().getName());
            // input.setImmediate(true);
        }

        // validator
        // input.addValidator(new ColumnValueValidator(ii.getColumn()));
    }

    protected final void copyAttributes(UIComponent parent, InputInfo ii, UIInput input)
    {
        String addlStyles = null;
        if (ii.isRequired())
        {   // required
            addlStyles = TagStyleClass.INPUT_REQ.get();
        }
        if (ii.isModified()) 
        {   // modified
            addlStyles = TagStyleClass.INPUT_MOD.addTo(addlStyles);
        }
        copyAttributes(parent, ii, input, addlStyles);
    }

    protected void copyAttribute(InputInfo ii, UIInput input, String name)
    {
        if (ii == null)
            throw new InvalidArgumentException("InputInfo", ii);
        // get Attribute
        Object value = ii.getAttribute(name);
        if (value == null)
            value = ii.getColumn().getAttribute(name);
        if (value != null)
            input.getAttributes().put(name, String.valueOf(value));
    }
    
    public void addRemoveValueNullStyle(UIInput input, boolean nullValue)
    {
        addRemoveStyle(input, TagStyleClass.VALUE_NULL, nullValue);
    }

    public void addRemoveDisabledStyle(UIInput input, boolean disabled)
    {
        addRemoveStyle(input, TagStyleClass.INPUT_DIS, disabled);
    }

    public void addRemoveInvalidStyle(UIInput input, boolean invalid)
    {
        addRemoveStyle(input, TagStyleClass.VALUE_INVALID, invalid);
    }
    
    public void addRemoveStyle(UIInput input, String styleName, boolean setStyle)
    {
        String styleClasses = StringUtils.toString(input.getAttributes().get(InputControl.CSS_STYLE_CLASS), "");
        boolean hasStyle = TagStyleClass.existsIn(styleClasses, styleName);
        if (setStyle == hasStyle)
            return; // Nothing to do
        // Special IceFaces patch
        if (styleClasses.endsWith("-dis"))
            styleClasses = styleClasses.substring(0, styleClasses.length() - 4);
        // add or remove disabled style
        if (setStyle)
            styleClasses = TagStyleClass.addTo(styleClasses, styleName);
        else
            styleClasses = TagStyleClass.removeFrom(styleClasses, styleName);
        // add Style
        setInputStyleClass(input, styleClasses);
    }

    public final void addRemoveStyle(UIInput input, TagStyleClass style, boolean setStyle)
    {
        this.addRemoveStyle(input, style.get(), setStyle);
    }
    
    /**
     * Returns the value formated as a string
     * this is a simple default implementation that does no type-secific formatting
     * Derived classes may override formatString an provide further formmatting
     * see TextInputControl for details
     * 
     * @param value
     *            the value to be formatted
     * @param vi
     *            Meta-information about the value
     * @return the formatted value
     */
    protected String formatValue(Object value, ValueInfo vi)
    {
        // For Enums use toString() to retrieve Value
        if ((value instanceof Enum<?>) && !hasFormatOption(vi, "nolookup"))
        { // Handle enum
            String text = ((Enum<?>) value).toString();
            if (text != null)
                return vi.getText(text);
            // Error
            InputControl.log.error("The enum '" + ((Enum<?>) value).name() + "' has no text!");
        }
        // Lookup and return text
        Options options = vi.getOptions();
        if (options != null && !hasFormatOption(vi, "nolookup"))
        {   // getOptionText
            String text = getOptionText(options, value, vi);
            if (text!=null)
                return text;
        }
        // value
        if (value == null)
            value = getFormatOption(vi, InputControl.FORMAT_NULL, InputControl.FORMAT_NULL_ATTRIBUTE);
        // Convert to String
        return StringUtils.toString(value, StringUtils.EMPTY);
    }

    /**
     * Returns the display text for an option
     * @param options the options
     * @param value the value
     * @param vi the value info
     * @return the display text or null if the option value could not be resolved
     */
    protected String getOptionText(Options options, Object value, ValueInfo vi)
    {
        if (options == null)
            throw new InvalidArgumentException("options", options);
        // Check for Options
        OptionEntry entry = options.getEntry(value);
        if (entry!=null)
            return vi.getText(entry.getText());
        // Check empty
        if (ObjectUtils.isEmpty(value))
            return StringUtils.EMPTY;
        // Error: Value not found! 
        String column = (vi.getColumn()!=null ? vi.getColumn().getName() : "?");
        log.error("The element \"{}\" is not part of the supplied option list for column {}", value, column);
        return null; 
    }

    /**
     * checks if a particular formating option has been specified.
     * 
     * @param vi
     *            the value info
     * @param option
     *            the formating option to check
     * @return true if the requested formating option has been specified or false otherwise
     */
    protected boolean hasFormatOption(ValueInfo vi, String option)
    {
        String format = vi.getFormat();
        return (format != null ? format.indexOf(option) >= 0 : false);
    }

    protected boolean hasFormatOption(ValueInfo vi, String option, String columnAttributeName)
    {
        if (hasFormatOption(vi, option))
            return true;
        // column format provided?
        Column column = vi.getColumn();
        return (column!=null ? !ObjectUtils.isEmpty(column.getAttribute(columnAttributeName)) : false);
    }
    
    protected String getFormatOption(ValueInfo vi, String option)
    {
        // Is unit supplied with format
        String format = vi.getFormat();
        if (format == null)
            return null;
        // Check for option
        int beg = format.indexOf(option);
        if (beg < 0)
            return null;
        // Find
        beg = beg + option.length();
        int end = format.indexOf(';', beg + 1);
        if (end < beg)
            return format.substring(beg);
        // The cbValue
        return format.substring(beg, end);
    }

    protected Object getFormatOption(ValueInfo vi, String option, String columnAttributeName)
    {
        // direct format provided?
        String format = getFormatOption(vi, option);
        if (format!=null)
            return format;
        // column format provided?
        Column column = vi.getColumn();
        return (column!=null ? column.getAttribute(columnAttributeName) : null);
    }

    protected String getFormatString(ValueInfo vi, String option, String columnAttributeName)
    {
        return StringUtils.toString(getFormatOption(vi, option, columnAttributeName));
    }

    protected int getFormatInteger(ValueInfo vi, String option, String columnAttributeName)
    {
        return ObjectUtils.getInteger(getFormatOption(vi, option, columnAttributeName));
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