org.chwf.taglib.jhtml
Class FieldTag

java.lang.Object
  |
  +--javax.servlet.jsp.tagext.TagSupport
        |
        +--org.chwf.taglib.base.LifeCycleTagSupport
              |
              +--org.chwf.taglib.base.ObjectTagSupport
                    |
                    +--org.chwf.taglib.jhtml.FieldTagSupport
                          |
                          +--org.chwf.taglib.jhtml.InputTag
                                |
                                +--org.chwf.taglib.jhtml.FieldTag

All Implemented Interfaces:

Parameterized, java.io.Serializable, javax.servlet.jsp.tagext.Tag, ValidationData

public class FieldTag

extends InputTag

Tag handler for the <field> tag.

Author:

Paul Strack

See Also:

Serialized Form

Fields inherited from class org.chwf.taglib.jhtml.InputTag

TRUE_STRING

Fields inherited from class org.chwf.taglib.base.ObjectTagSupport

DEFAULT_OBJECT

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

id, pageContext

Fields inherited from interface org.chwf.plugin.ValidationData

TYPE_CHECKBOX, TYPE_FIXED, TYPE_HIDDEN, TYPE_PASSWORD, TYPE_SELECT, TYPE_TEXT, TYPE_TEXTAREA

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

FieldTag()

Method Summary

void	cleanup() Clean up data for tag handler reuse and pooling.
int	doStart() Print the field info.
java.lang.String	getErrorMessage() The error message (or null if there is no message).
boolean	hasErrorMessage() True if the field has an error message.
void	setAccept(java.lang.String value) Pass-through attribute.
void	setAccesskey(java.lang.String value) Pass-through attribute.
void	setCols(java.lang.String value) Pass-through attribute.
void	setDisabled(java.lang.String value) Pass-through attribute.
void	setId(java.lang.String value) Pass-through attribute.
void	setLang(java.lang.String value) Pass-through attribute.
void	setMaxlength(java.lang.String value) Pass-through attribute.
void	setName(java.lang.String name) Calls superclass method.
void	setObject(java.lang.String objectName) Calls superclass method.
void	setOptions(java.lang.String options) The name of the web application variable containing input items options.
void	setProperty(java.lang.String property) Calls superclass method.
void	setRows(java.lang.String value) Pass-through attribute.
void	setSize(java.lang.String value) Pass-through attribute.
void	setStyle(java.lang.String value) Pass-through attribute.
void	setStyleClass(java.lang.String value) Pass-through attribute.
void	setTitle(java.lang.String value) Pass-through attribute.
void	setType(java.lang.String type) Set the input element type.
void	setValidations(java.lang.Boolean validations) Whether validations are supported.
void	setWrap(java.lang.String value) Pass-through attribute.

Methods inherited from class org.chwf.taglib.jhtml.InputTag

getOptionsMap, getType, getValidations, init

Methods inherited from class org.chwf.taglib.jhtml.FieldTagSupport

deriveLabel, getBeanFilter, getFieldValue, getFormTag, getLocalizedAttribute, getName, getPropertyAttribute

Methods inherited from class org.chwf.taglib.base.ObjectTagSupport

findObject, getEl, getObject, getProperty, getTagResult, getTagResult, getVar, setEl, setVar, storeDefaultObject

Methods inherited from class org.chwf.taglib.base.LifeCycleTagSupport

addAttribute, addParameter, doEnd, doEndTag, doStartTag, getAttribute, getAttributeNames, getParameter, getParameterNames, printAttributes

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

findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setPageContext, setParent, setValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.chwf.plugin.ValidationData

getLocalizedAttribute, getName, getPropertyAttribute

Constructor Detail

FieldTag

public FieldTag()

Method Detail

cleanup

public void cleanup()

Clean up data for tag handler reuse and pooling. Should be overridden in tag handler. Subclasses should always invoke their superclass's cleanup method: super.cleanup()

Overrides:

cleanup in class InputTag

setObject

public void setObject(java.lang.String objectName)
               throws javax.servlet.jsp.JspException

Calls superclass method. Is present here because of a bug in some servlet engines that requires tag attibute setters to be defined in the tag class itself.

Overrides:

setObject in class InputTag

Parameters:

objectName - The object name.

Throws:

javax.servlet.jsp.JspException - For errors.

setProperty

public void setProperty(java.lang.String property)
                 throws javax.servlet.jsp.JspException

Calls superclass method. Is present here because of a bug in some servlet engines that requires tag attibute setters to be defined in the tag class itself.

Overrides:

setProperty in class InputTag

Parameters:

property - The property name.

Throws:

javax.servlet.jsp.JspException - For errors.

setName

public void setName(java.lang.String name)

Calls superclass method. Is present here because of a bug in some servlet engines that requires tag attibute setters to be defined in the tag class itself.

Overrides:

setName in class InputTag

Parameters:

name - The field name.

setType

public void setType(java.lang.String type)
             throws javax.servlet.jsp.JspException

Set the input element type. Optional. The type value is converted to lowercase for consistency with the XHTML standard.

Overrides:

setType in class InputTag

Parameters:

type - The input type.

Throws:

javax.servlet.jsp.JspException - If the type is not one of the known input element types, defined as TYPE_XXX constants.

setValidations

public void setValidations(java.lang.Boolean validations)

Whether validations are supported. If not specified, defaults to value in nesting formtag.

Overrides:

setValidations in class InputTag

Parameters:

validations - Whether validations are supported.

setOptions

public void setOptions(java.lang.String options)

The name of the web application variable containing input items options.

Overrides:

setOptions in class InputTag

Parameters:

options - The variable name for options.

setStyleClass

public void setStyleClass(java.lang.String value)

Pass-through attribute. Same meaning as "class" in HTML.

Overrides:

setStyleClass in class InputTag

Parameters:

value - The attribute value.

setId

public void setId(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setId in class InputTag

Parameters:

value - The attribute value.

setLang

public void setLang(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setLang in class InputTag

Parameters:

value - The attribute value.

setStyle

public void setStyle(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setStyle in class InputTag

Parameters:

value - The attribute value.

setTitle

public void setTitle(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setTitle in class InputTag

Parameters:

value - The attribute value.

setAccept

public void setAccept(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setAccept in class InputTag

Parameters:

value - The attribute value.

setAccesskey

public void setAccesskey(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setAccesskey in class InputTag

Parameters:

value - The attribute value.

setDisabled

public void setDisabled(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setDisabled in class InputTag

Parameters:

value - The attribute value.

setMaxlength

public void setMaxlength(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setMaxlength in class InputTag

Parameters:

value - The attribute value.

setSize

public void setSize(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setSize in class InputTag

Parameters:

value - The attribute value.

setCols

public void setCols(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setCols in class InputTag

Parameters:

value - The attribute value.

setRows

public void setRows(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setRows in class InputTag

Parameters:

value - The attribute value.

setWrap

public void setWrap(java.lang.String value)

Pass-through attribute. Same meaning as in HTML.

Overrides:

setWrap in class InputTag

Parameters:

value - The attribute value.

hasErrorMessage

public boolean hasErrorMessage()

True if the field has an error message.

Returns:

True if the field has an error message.

getErrorMessage

public java.lang.String getErrorMessage()

The error message (or null if there is no message).

Returns:

The error message.

doStart

public int doStart()
            throws java.io.IOException,
                   javax.servlet.jsp.JspException

Print the field info.

Overrides:

doStart in class InputTag

Returns:

SKIP_BODY

Throws:

javax.servlet.jsp.JspException - If the property cannot be initialized.

java.io.IOException - For IO exceptions.