net.sourceforge.stripes.tag.layout
Class LayoutComponentTag

java.lang.Object
  net.sourceforge.stripes.tag.StripesTagSupport
      net.sourceforge.stripes.tag.layout.LayoutComponentTag

All Implemented Interfaces:

BodyTag, IterationTag, JspTag, Tag

public class LayoutComponentTag
extends StripesTagSupport
implements BodyTag

Defines a component in a layout. Used both to define the components in a layout definition and to provide overridden component definitions during a layout rendering request.

Since:

Stripes 1.1

Author:

Tim Fennell

Field Summary

Fields inherited from class net.sourceforge.stripes.tag.StripesTagSupport

pageContext, parentTag

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

EVAL_BODY_BUFFERED, EVAL_BODY_TAG

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

EVAL_BODY_AGAIN

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

EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

Constructor Summary

LayoutComponentTag()

Method Summary

int	doAfterBody() Does nothing.
int	doEndTag() If the tag is nested in a LayoutRenderTag, provides the tag with the generated contents.
void	doInitBody() Does nothing.
int	doStartTag() Behaviour varies depending on whether the tag is nested inside a LayoutRenderTag or a LayoutDefinitionTag.
String	getName() Gets the name of the component.
void	setBodyContent(BodyContent bodyContent) Save the body content output by the tag.
void	setName(String name) Sets the name of the component.

Methods inherited from class net.sourceforge.stripes.tag.StripesTagSupport

getActionBeanType, getActionBeanUrl, getPageContext, getParent, getParentTag, getTagStack, popPageContextAttributes, pushPageContextAttributes, release, setPageContext, setParent

Methods inherited from class java.lang.Object

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

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

getParent, release, setPageContext, setParent

Constructor Detail

LayoutComponentTag

public LayoutComponentTag()

Method Detail

getName

public String getName()

Gets the name of the component.

setName

public void setName(String name)

Sets the name of the component.

setBodyContent

public void setBodyContent(BodyContent bodyContent)

Save the body content output by the tag.

Specified by:

setBodyContent in interface BodyTag

doStartTag

public int doStartTag()
               throws JspException

Behaviour varies depending on whether the tag is nested inside a LayoutRenderTag or a LayoutDefinitionTag. In the first case it will always render it's output to a buffer so that it can be provided to the render tag. In the second case, checks to see if the component has been overridden. If so, does nothing, else writes its content to the output stream.

Specified by:

doStartTag in interface Tag

Specified by:

doStartTag in class StripesTagSupport

Returns:

EVAL_BODY_BUFFERED, EVAL_BODY_INCLUDE or SKIP_BODY as described above.

Throws:

JspException

doInitBody

public void doInitBody()
                throws JspException

Does nothing.

Specified by:

doInitBody in interface BodyTag

Throws:

JspException

doAfterBody

public int doAfterBody()
                throws JspException

Does nothing.

Specified by:

doAfterBody in interface IterationTag

Returns:

SKIP_BODY in all cases.

Throws:

JspException

doEndTag

public int doEndTag()
             throws JspException

If the tag is nested in a LayoutRenderTag, provides the tag with the generated contents. Otherwise, does nothing.

Specified by:

doEndTag in interface Tag

Specified by:

doEndTag in class StripesTagSupport

Returns:

EVAL_PAGE in all cases.

Throws:

JspException