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ParserUtils (Jasper Internal API Documentation)
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org.apache.jasper.parser
Class ParserUtils


java.lang.Object

  |

  +--org.apache.jasper.parser.ParserUtils
public class ParserUtils
extends java.lang.Object

descriptor and tag library descriptor files. FIXME - make these use a separate class loader for the parser to be used.

Version:
$Revision: 1.4.2.1 $ $Date: 2002/05/20 17:47:00 $
Author:
Craig R. McClanahan

Field Summary
protected  java.lang.ClassLoader classLoader
          The class loader to use for accessing our XML parser.
entityResolver
          An entity resolver for use when parsing XML documents.
errorHandler
          An error handler for use when parsing XML documents.
 
Constructor Summary
ParserUtils()
           
 
Method Summary
protected  TreeNode convert(TreeNode parent, org.w3c.dom.Node node)
          Create and return a TreeNode that corresponds to the specified Node, including processing all of the attributes and children nodes.
static java.lang.ClassLoader createClassLoader(java.lang.ClassLoader parentLoader)
          Construct (if necessary) and return a class loader that has been configured with the specified parent class loader, and repositories as needed to access the required XML parser.
static ParserUtils createParserUtils(java.lang.ClassLoader parentLoader)
          Create (if necessary) and return an instance of ParserUtils that has been loaded by our subordinate class loader (and therefore should have access to the XML parser that is visible to repositories of that class loader).
 java.lang.ClassLoader getClassLoader()
          Return the class loader used to access our XML parser.
static void main(java.lang.String[] args)
          Usage: java org.apache.jasper.parser.ParserUtils {pathname}
 TreeNode parseXMLDocument(java.lang.String uri, java.io.InputStream is)
          Parse the specified XML document, and return a TreeNode that corresponds to the root node of the document tree.
 void setClassLoader(java.lang.ClassLoader classLoader)
          Set the class loader used to access our XML parser.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

classLoader


protected java.lang.ClassLoader classLoader
The class loader to use for accessing our XML parser.

errorHandler







An error handler for use when parsing XML documents.





















entityResolver









An entity resolver for use when parsing XML documents.




























Constructor Detail












ParserUtils




public ParserUtils()























Method Detail












main




public static void main(java.lang.String[] args)






Usage:  java org.apache.jasper.parser.ParserUtils {pathname}
























getClassLoader




public java.lang.ClassLoader getClassLoader()






Return the class loader used to access our XML parser.
























parseXMLDocument




public TreeNode parseXMLDocument(java.lang.String uri,
                                 java.io.InputStream is)
                          throws JasperException






Parse the specified XML document, and return a TreeNode
 that corresponds to the root node of the document tree.








Parameters:
uri - URI of the XML document being parsed
is - Input stream containing the deployment descriptor

Throws:

JasperException - if an input/output error occurs

JasperException - if a parsing error occurs
















setClassLoader




public void setClassLoader(java.lang.ClassLoader classLoader)






Set the class loader used to access our XML parser.








Parameters:
classLoader - The new class loader
















convert




protected TreeNode convert(TreeNode parent,
                           org.w3c.dom.Node node)






Create and return a TreeNode that corresponds to the specified Node,
 including processing all of the attributes and children nodes.








Parameters:
parent - The parent TreeNode (if any) for the new TreeNode
node - The XML document Node to be converted
















createParserUtils




public static ParserUtils createParserUtils(java.lang.ClassLoader parentLoader)






Create (if necessary) and return an instance of ParserUtils that has
 been loaded by our subordinate class loader (and therefore should have
 access to the XML parser that is visible to repositories of that
 class loader).








Parameters:
parentLoader - The web application class loader
















createClassLoader




public static java.lang.ClassLoader createClassLoader(java.lang.ClassLoader parentLoader)
                                               throws java.net.MalformedURLException






Construct (if necessary) and return a class loader that has been
 configured with the specified parent class loader, and repositories
 as needed to access the required XML parser.








Parameters:
parentLoader - The web application class loader

Throws:

java.net.MalformedURLException - if we cannot create a valid URL for
  one of the required repositories






























  


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