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java.lang.Object | +--org.apache.xalan.xpath.ExtensionFunctionHandler
**For internal use only** Class handling an extension namespace for XPath. Provides functions to test a function's existence and call a function
| Inner Class Summary | |
static interface |
ExtensionFunctionHandler.ExtensionLiaison
**For internal use only** Interface for connecting extension functions to xalan. |
| Field Summary | |
static java.lang.String |
DEFAULT_EXTENSION_LIAISON
**For internal use only** |
java.lang.String |
namespaceUri
**For internal use only** |
java.lang.String |
scriptLang
**For internal use only** |
java.lang.String |
scriptSrc
**For internal use only** |
java.lang.String |
scriptSrcURL
**For internal use only** |
| Constructor Summary | |
ExtensionFunctionHandler(java.lang.String namespaceUri)
**For internal use only** Construct a new extension namespace handler for a given extension NS. |
|
ExtensionFunctionHandler(java.lang.String namespaceUri,
java.lang.String funcNames,
java.lang.String lang,
java.lang.String srcURL,
java.lang.String src)
**For internal use only** Construct a new extension namespace handler given all the information needed. |
|
| Method Summary | |
java.lang.Object |
callFunction(java.lang.String funcName,
java.util.Vector args,
java.lang.Object methodKey,
java.lang.Class javaClass)
**For internal use only** Process a call to a function. |
java.lang.Object |
callJava(java.lang.Object object,
java.lang.String method,
java.lang.Object[] args,
java.lang.Object methodKey)
**For internal use only** call the named method on the object that was loaded by eval. |
boolean |
isElementAvailable(java.lang.String element)
**For internal use only** Tests whether a certain element name is known within this namespace. |
boolean |
isFunctionAvailable(java.lang.String function)
**For internal use only** Tests whether a certain function name is known within this namespace. |
void |
setElements(java.lang.String elemNames)
**For internal use only** Set element local parts of extension NS. |
void |
setFunctions(java.lang.String funcNames)
**For internal use only** Set function local parts of extension NS. |
void |
setScript(java.lang.String lang,
java.lang.String srcURL,
java.lang.String scriptSrc)
**For internal use only** Set the script data for this extension NS. |
| Methods inherited from class java.lang.Object |
equals,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
| Field Detail |
public java.lang.String namespaceUri
public java.lang.String scriptLang
public java.lang.String scriptSrc
public java.lang.String scriptSrcURL
public static final java.lang.String DEFAULT_EXTENSION_LIAISON
| Constructor Detail |
public ExtensionFunctionHandler(java.lang.String namespaceUri)
namespaceUri - the extension namespace URI that I'm implementing
public ExtensionFunctionHandler(java.lang.String namespaceUri,
java.lang.String funcNames,
java.lang.String lang,
java.lang.String srcURL,
java.lang.String src)
namespaceUri - the extension namespace URI that I'm implementingfuncNames - string containing list of functions of extension NSlang - language of code implementing the extensionsrcURL - value of src attribute (if any) - treated as a URL
or a classname depending on the value of lang. If
srcURL is not null, then scriptSrc is ignored.scriptSrc - the actual script code (if any)| Method Detail |
public void setFunctions(java.lang.String funcNames)
functions - whitespace separated list of function names defined
by this extension namespace.public void setElements(java.lang.String elemNames)
elements - whitespace separated list of element names defined
by this extension namespace.
public void setScript(java.lang.String lang,
java.lang.String srcURL,
java.lang.String scriptSrc)
lang - language of the script.srcURL - value of src attribute (if any) - treated as a URL
or a classname depending on the value of lang. If
srcURL is not null, then scriptSrc is ignored.scriptSrc - the actual script code (if any)public boolean isFunctionAvailable(java.lang.String function)
function - name of the function being testedpublic boolean isElementAvailable(java.lang.String element)
function - name of the function being tested
public java.lang.Object callJava(java.lang.Object object,
java.lang.String method,
java.lang.Object[] args,
java.lang.Object methodKey)
throws XPathException
object - ignored - should always be null
public java.lang.Object callFunction(java.lang.String funcName,
java.util.Vector args,
java.lang.Object methodKey,
java.lang.Class javaClass)
throws XPathException
funcName - Function name.args - The arguments of the function call.
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