jodd.servlet.tag
Class IteratorTag

java.lang.Object
  javax.servlet.jsp.tagext.SimpleTagSupport
      jodd.servlet.tag.IteratorTag

All Implemented Interfaces:

javax.servlet.jsp.tagext.JspTag, javax.servlet.jsp.tagext.SimpleTag

public class IteratorTag
extends javax.servlet.jsp.tagext.SimpleTagSupport

Iterator tag for iterating collections.

See Also:

IteratorStatus

Field Summary

protected int	count
protected int	from
protected java.lang.Object	items
protected IteratorStatus	iteratorStatus
protected int	modulus
protected java.lang.String	scope
protected java.lang.String	status
protected java.lang.String	var

Constructor Summary

IteratorTag()

Method Summary

protected int	calculateTo(int from, int count, int size) Calculates 'TO'.
void	doTag()
protected void	iterateArray(java.lang.Object[] array, int from, int count, javax.servlet.jsp.PageContext pageContext) Iterates arrays.
protected void	iterateCollection(java.util.Collection collection, int from, int count, javax.servlet.jsp.PageContext pageContext) Iterates collection.
void	setCount(int count) Sets count as total number of items to iterate.
void	setFrom(int from) Sets starting index.
void	setItems(java.lang.Object items) Specifies item collection.
void	setModulus(int modulus) Specifies modulus value for the iterator status
void	setScope(java.lang.String scope) Sets scope for all variables.
void	setStatus(java.lang.String status) Specifies status variable name.
void	setVar(java.lang.String var) Specifies variable name that will be used for item during iteration.

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

findAncestorWithClass, getJspBody, getJspContext, getParent, setJspBody, setJspContext, setParent

Methods inherited from class java.lang.Object

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

Field Detail

items

protected java.lang.Object items

var

protected java.lang.String var

status

protected java.lang.String status

modulus

protected int modulus

scope

protected java.lang.String scope

from

protected int from

count

protected int count

iteratorStatus

protected IteratorStatus iteratorStatus

Constructor Detail

IteratorTag

public IteratorTag()

Method Detail

setItems

public void setItems(java.lang.Object items)

Specifies item collection.

setVar

public void setVar(java.lang.String var)

Specifies variable name that will be used for item during iteration.

setStatus

public void setStatus(java.lang.String status)

Specifies status variable name. If omitted, status will not be used.

setModulus

public void setModulus(int modulus)

Specifies modulus value for the iterator status

setScope

public void setScope(java.lang.String scope)

Sets scope for all variables.

setFrom

public void setFrom(int from)

Sets starting index.

setCount

public void setCount(int count)

Sets count as total number of items to iterate.

doTag

public void doTag()
           throws javax.servlet.jsp.JspException

Specified by:

doTag in interface javax.servlet.jsp.tagext.SimpleTag

Overrides:

doTag in class javax.servlet.jsp.tagext.SimpleTagSupport

Throws:

javax.servlet.jsp.JspException

calculateTo

protected int calculateTo(int from,
                          int count,
                          int size)

Calculates 'TO'.

iterateCollection

protected void iterateCollection(java.util.Collection collection,
                                 int from,
                                 int count,
                                 javax.servlet.jsp.PageContext pageContext)
                          throws javax.servlet.jsp.JspException

Iterates collection.

Throws:

javax.servlet.jsp.JspException

iterateArray

protected void iterateArray(java.lang.Object[] array,
                            int from,
                            int count,
                            javax.servlet.jsp.PageContext pageContext)
                     throws javax.servlet.jsp.JspException

Iterates arrays.

Throws:

javax.servlet.jsp.JspException