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java.lang.Objectorg.apache.commons.jelly.TagSupport
org.apache.commons.jelly.xpath.XPathTagSupport
org.apache.commons.jelly.tags.xml.SetTag
A tag which defines a variable from an XPath expression.
This function creates a variable of type List
or Node
(for example Element
or Attribute
).
Thus, the variable created from xml:set can be
used from the other xml library functions.
Field Summary | |
private java.lang.Boolean |
asString
|
private java.lang.String |
delim
|
private java.lang.String |
delimiter
|
private org.apache.commons.logging.Log |
log
The Log to which logging calls will be made. |
private static int |
RETURN_DELIMITED_STRING_LIST
|
private static int |
RETURN_FIRST_AS_STRING
|
private static int |
RETURN_FIRST_NODE
|
private static int |
RETURN_NODE_LIST
|
private static int |
RETURN_STRING_LIST
|
private org.jaxen.XPath |
select
The XPath expression to evaluate. |
private java.lang.Boolean |
single
|
private java.lang.String |
var
The variable name to export. |
private org.apache.commons.jelly.xpath.XPathComparator |
xpCmp
Xpath comparator for sorting |
Fields inherited from class org.apache.commons.jelly.TagSupport |
body, context, hasTrimmed, parent, shouldTrim |
Constructor Summary | |
SetTag()
|
Method Summary | |
private int |
determineReturnType()
|
void |
doTag(org.apache.commons.jelly.XMLOutput output)
|
private java.lang.String |
joinDelimitedElements(java.util.List values)
|
private java.util.List |
nodeListToStringList(java.util.List values)
|
void |
setAsString(boolean asString)
If set to true, will ensure that the (XPath) text-value of the selected node is taken instead of the node itself. |
void |
setDelim(java.lang.String delim)
If set, returns a string delimited by this delimiter. |
void |
setDescending(boolean descending)
Set whether to sort ascending or descending. |
void |
setSelect(org.jaxen.XPath select)
Sets the XPath expression to evaluate. |
void |
setSingle(boolean single)
If set to true will only take the first element matching. |
void |
setSort(org.jaxen.XPath sortXPath)
Sets the xpath expression to use to sort selected nodes. |
void |
setVar(java.lang.String var)
Sets the variable name to define for this expression |
private java.lang.String |
singleValueAsString(java.lang.Object value)
|
private java.util.List |
valueAsList(java.lang.Object value)
|
private java.lang.Object |
valueAsSingle(java.lang.Object value)
|
Methods inherited from class org.apache.commons.jelly.xpath.XPathTagSupport |
getXPathContext |
Methods inherited from class org.apache.commons.jelly.TagSupport |
findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, getBody, getBodyText, getBodyText, getContext, getParent, invokeBody, isEscapeText, isTrim, setBody, setContext, setEscapeText, setParent, setTrim, trimBody |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
private static final int RETURN_NODE_LIST
private static final int RETURN_FIRST_NODE
private static final int RETURN_STRING_LIST
private static final int RETURN_DELIMITED_STRING_LIST
private static final int RETURN_FIRST_AS_STRING
private org.apache.commons.logging.Log log
private java.lang.String var
private org.jaxen.XPath select
private org.apache.commons.jelly.xpath.XPathComparator xpCmp
private java.lang.Boolean single
private java.lang.Boolean asString
private java.lang.String delimiter
private java.lang.String delim
Constructor Detail |
public SetTag()
Method Detail |
public void doTag(org.apache.commons.jelly.XMLOutput output) throws org.apache.commons.jelly.MissingAttributeException, org.apache.commons.jelly.JellyTagException
org.apache.commons.jelly.MissingAttributeException
org.apache.commons.jelly.JellyTagException
private java.util.List valueAsList(java.lang.Object value)
private java.lang.Object valueAsSingle(java.lang.Object value)
private java.lang.String singleValueAsString(java.lang.Object value)
private java.util.List nodeListToStringList(java.util.List values)
private java.lang.String joinDelimitedElements(java.util.List values)
private int determineReturnType()
public void setVar(java.lang.String var)
public void setSelect(org.jaxen.XPath select)
public void setSingle(boolean single)
Node
thereby making sure that, for example,
when an element is selected, one can directly call such methods
as setAttribute.
public void setAsString(boolean asString)
public void setDelim(java.lang.String delim)
asString
to be true.
public void setSort(org.jaxen.XPath sortXPath) throws org.jaxen.JaxenException
org.jaxen.JaxenException
public void setDescending(boolean descending)
|
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