Package org.apache.xpath.compiler
Class XPathParser
java.lang.Object
org.apache.xpath.compiler.XPathParser
Tokenizes and parses XPath expressions. This should really be named
XPathParserImpl, and may be renamed in the future.
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Field Summary
Fields -
Constructor Summary
ConstructorsConstructorDescriptionXPathParser
(ErrorListener errorListener, SourceLocator sourceLocator) The parser constructor. -
Method Summary
Modifier and TypeMethodDescriptionReturn the current error listener.void
initMatchPattern
(Compiler compiler, String expression, PrefixResolver namespaceContext) 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.void
initXPath
(Compiler compiler, String expression, PrefixResolver namespaceContext) 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.void
setErrorHandler
(ErrorListener handler) Allow an application to register an error event handler, where syntax errors will be sent.
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Field Details
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CONTINUE_AFTER_FATAL_ERROR
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Constructor Details
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XPathParser
The parser constructor.
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Method Details
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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
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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
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setErrorHandler
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.
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getErrorListener
Return the current error listener.- Returns:
- The error listener, which should not normally be null, but may be.
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