Package org.apache.xpath.compiler

Class XPathParser

java.lang.Object
org.apache.xpath.compiler.XPathParser
public class XPathParser extends Object
Tokenizes and parses XPath expressions. This should really be named XPathParserImpl, and may be renamed in the future.

  • Field Details

  • Constructor Details

  • Method Details

    • initXPath

      public void initXPath(Compiler compiler, String expression, PrefixResolver namespaceContext) throws TransformerException
      Given an string, init an XPath object for selections, in order that a parse doesn't have to be done each time the expression is evaluated.
      Parameters:
      compiler - The compiler object.
      expression - A string conforming to the XPath grammar.
      namespaceContext - An object that is able to resolve prefixes in the XPath to namespaces.
      Throws:
      TransformerException

    • initMatchPattern

      public void initMatchPattern(Compiler compiler, String expression, PrefixResolver namespaceContext) throws TransformerException
      Given an string, init an XPath object for pattern matches, in order that a parse doesn't have to be done each time the expression is evaluated.
      Parameters:
      compiler - The XPath object to be initialized.
      expression - A String representing the XPath.
      namespaceContext - An object that is able to resolve prefixes in the XPath to namespaces.
      Throws:
      TransformerException

    • setErrorHandler

      public void setErrorHandler(ErrorListener handler)
      Allow an application to register an error event handler, where syntax errors will be sent. If the error listener is not set, syntax errors will be sent to System.err.
      Parameters:
      handler - Reference to error listener where syntax errors will be sent.

    • getErrorListener

      public ErrorListener getErrorListener()
      Return the current error listener.
      Returns:
      The error listener, which should not normally be null, but may be.