Class FileUploadTag

java.lang.Object

jakarta.servlet.jsp.tagext.TagSupport

org.deltava.taglib.BrowserInfoTag

org.deltava.taglib.html.ElementTag

org.deltava.taglib.html.FormElementTag

org.deltava.taglib.html.FileUploadTag

All Implemented Interfaces:

jakarta.servlet.jsp.tagext.IterationTag, jakarta.servlet.jsp.tagext.JspTag, jakarta.servlet.jsp.tagext.Tag, Serializable

public class FileUploadTag
extends FormElementTag

A JSP tag to generate a FILE tag.

Since:

1.0

Version:

10.2

Author:

Luke

See Also:

• Serialized Form

Field Summary

Fields inherited from class FormElementTag

_value

Modifier and Type	Field	Description
protected Object	_value	The value of this input element.

Fields inherited from class ElementTag

_classes, _data, _out

Modifier and Type	Field	Description
protected final Collection<String>	_classes
protected final XMLRenderer	_data
protected jakarta.servlet.jsp.JspWriter	_out

Fields inherited from class jakarta.servlet.jsp.tagext.TagSupport

id, pageContext

Fields inherited from interface jakarta.servlet.jsp.tagext.IterationTag

EVAL_BODY_AGAIN

Fields inherited from interface jakarta.servlet.jsp.tagext.Tag

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

Constructors

Constructor	Description
FileUploadTag()	Creates a new file upload element tag.

Method Summary

Modifier and Type	Method	Description
int	doEndTag()	Generates the HTML for this Input element.
void	release()
void	setMax(int maxLen)	Sets the maximum length of this field.
void	setMaxSize(int kb)	Sets the maximum size for the file.
void	setOnChange(String jscript)	Sets the JavaScript onChange event for this field.
void	setSize(int len)	Sets the size of this field.

Methods inherited from class FormElementTag

setDelimValues, setIdx, setName, setRequired, setValue, validateState

Modifier and Type	Method	Description
void	setDelimValues(String values)	Sets multiple values for this input element.
void	setIdx(String index)	Sets the tab index of this field.
void	setName(String name)	Sets the name of this field.
void	setRequired(boolean isRequired)	Sets this field as required for HTML5 browsers.
void	setValue(Object value)	Sets the value of this input element.
protected void	validateState()	Validates tag state.

Methods inherited from class ElementTag

doStartTag, getFormIndexCount, getName, getParentFormTag, setClassName, setID, setNumericAttr, setPageContext, setStyle

Modifier and Type	Method	Description
int	doStartTag()
protected int	getFormIndexCount()	Gets and increments the current tab index count for the parent form tag.
protected String	getName()	Returns the type of HTML element this tag generated.
protected FormTag	getParentFormTag()	Returns the parent form tag.
void	setClassName(String cName)	Sets the CSS class name of this HTML element.
void	setID(String id)	Sets the ID of this HTML element.
protected void	setNumericAttr(String attrName, int value, int minValue)	Sets a numeric attribute.
void	setPageContext(jakarta.servlet.jsp.PageContext ctxt)
void	setStyle(String style)	Associates a CSS style with this HTML element.

Methods inherited from class BrowserInfoTag

getBrowserContext, passedCAPTCHA

Modifier and Type	Method	Description
protected HTTPContextData	getBrowserContext()	Fetches the browser data.
protected boolean	passedCAPTCHA()	Returns whether the user has passed CAPTCHA validation.

Methods inherited from class jakarta.servlet.jsp.tagext.TagSupport

doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, removeValue, setId, setParent, setValue

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

FileUploadTag

public FileUploadTag()

Creates a new file upload element tag.

Method Details

setSize

public void setSize(int len)

Sets the size of this field. This does nothing if a negative, zero or non-numeric value is passed.

Parameters:

len - the size of the field

See Also:

• ElementTag.setNumericAttr(String, int, int)

setOnChange

public void setOnChange(String jscript)

Sets the JavaScript onChange event for this field.

Parameters:

jscript - the JavaScript to execute when the field value changes

setMax

public void setMax(int maxLen)

Sets the maximum length of this field. This does nothing if a negative, zero or non-numeric value is passed.

Parameters:

maxLen - the maximum length of the field

See Also:

• ElementTag.setNumericAttr(String, int, int)

setMaxSize

public void setMaxSize(int kb)

Sets the maximum size for the file. This will NOT provide validation code, instead places a small label to the right of the input box with the size limit displayed.

Parameters:

kb - the size limit in kilobytes

release

public void release()

Specified by:

release in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

release in class ElementTag

doEndTag

public int doEndTag()
             throws jakarta.servlet.jsp.JspException

Generates the HTML for this Input element.

Specified by:

doEndTag in interface jakarta.servlet.jsp.tagext.Tag

Overrides:

doEndTag in class jakarta.servlet.jsp.tagext.TagSupport

Throws:

jakarta.servlet.jsp.JspException - if an error occurs