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XmlPackageReader (Drools 4.0.0.11754MR2 API) - JBoss RULES 4.0.0.11754MR2 API 英文版文档

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org.drools.xml
Class XmlPackageReader

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      org.drools.xml.XmlPackageReader

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

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public class XmlPackageReader
extends DefaultHandler

RuleSet loader. Note you can override the default entity resolver by setting the System property of: org.drools.io.EntityResolve to your own custom entity resolver. This can be done using -Dorg.drools.io.EntityResolver=YourClassHere on the command line, for instance.

Author:

bob mcwhirter

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Field Summary
static String	ENTITY_RESOLVER_PROPERTY_NAME
static String	RULES_NAMESPACE_URI           Namespace URI for the general tags.

 

Constructor Summary
XmlPackageReader()           Construct.
XmlPackageReader(SAXParser parser)           Construct.

 

Method Summary
void	characters(char[] chars, int start, int len)
protected  Configuration	endConfiguration()           End a configuration node.
void	endElement(String uri, String localName, String qname)
void	endPrefixMapping(String prefix)
void	error(SAXParseException x)
void	fatalError(SAXParseException x)
Locator	getLocator()           Get the Locator.
PackageDescr	getPackageDescr()
PackageDescr	read(InputSource in)           Read a RuleSet from an InputSource.
PackageDescr	read(InputStream inputStream)           Read a RuleSet from an InputStream.
PackageDescr	read(Reader reader)           Read a RuleSet from a Reader.
InputSource	resolveEntity(String publicId, String systemId)
void	setDocumentLocator(Locator locator)
protected  void	startConfiguration(String name, Attributes attrs)           Start a configuration node.
void	startDocument()
void	startElement(String uri, String localName, String qname, Attributes attrs)
void	startPrefixMapping(String prefix, String uri)
void	warning(SAXParseException x)

 

Methods inherited from class org.xml.sax.helpers.DefaultHandler
endDocument, ignorableWhitespace, notationDecl, processingInstruction, skippedEntity, unparsedEntityDecl

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

ENTITY_RESOLVER_PROPERTY_NAME

public static final String ENTITY_RESOLVER_PROPERTY_NAME

See Also:

Constant Field Values

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RULES_NAMESPACE_URI

public static final String RULES_NAMESPACE_URI

Namespace URI for the general tags.

See Also:

Constant Field Values

Constructor Detail

XmlPackageReader

public XmlPackageReader()

Construct.

Uses the default JAXP SAX parser and the default classpath-based DefaultSemanticModule.

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XmlPackageReader

public XmlPackageReader(SAXParser parser)

Construct.

Uses the default classpath-based DefaultSemanticModule.

Parameters:

parser - The SAX parser.

Method Detail

read

public PackageDescr read(Reader reader)
                  throws SAXException,
                         IOException

Read a RuleSet from a Reader.

Parameters:

reader - The reader containing the rule-set.

Returns:

The rule-set.

Throws:

SAXException

IOException

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read

public PackageDescr read(InputStream inputStream)
                  throws SAXException,
                         IOException

Read a RuleSet from an InputStream.

Parameters:

inputStream - The input-stream containing the rule-set.

Returns:

The rule-set.

Throws:

SAXException

IOException

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read

public PackageDescr read(InputSource in)
                  throws SAXException,
                         IOException

Read a RuleSet from an InputSource.

Parameters:

in - The rule-set input-source.

Returns:

The rule-set.

Throws:

SAXException

IOException

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getPackageDescr

public PackageDescr getPackageDescr()

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setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

setDocumentLocator in class DefaultHandler

See Also:

ContentHandler

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getLocator

public Locator getLocator()

Get the Locator.

Returns:

The locator.

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startDocument

public void startDocument()

Specified by:

startDocument in interface ContentHandler

Overrides:

startDocument in class DefaultHandler

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startElement

public void startElement(String uri,
                         String localName,
                         String qname,
                         Attributes attrs)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Parameters:

uri -

localName -

qname -

attrs -

Throws:

SAXException

See Also:

ContentHandler

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endElement

public void endElement(String uri,
                       String localName,
                       String qname)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Parameters:

uri -

localName -

qname -

Throws:

SAXException

See Also:

ContentHandler

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startConfiguration

protected void startConfiguration(String name,
                                  Attributes attrs)

Start a configuration node.

Parameters:

name - Tag name.

attrs - Tag attributes.

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characters

public void characters(char[] chars,
                       int start,
                       int len)

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Parameters:

chars -

start -

len -

See Also:

ContentHandler

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endConfiguration

protected Configuration endConfiguration()

End a configuration node.

Returns:

The configuration.

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resolveEntity

public InputSource resolveEntity(String publicId,
                                 String systemId)
                          throws SAXException

Specified by:

resolveEntity in interface EntityResolver

Overrides:

resolveEntity in class DefaultHandler

Throws:

SAXException

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startPrefixMapping

public void startPrefixMapping(String prefix,
                               String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class DefaultHandler

Throws:

SAXException

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endPrefixMapping

public void endPrefixMapping(String prefix)
                      throws SAXException

Specified by:

endPrefixMapping in interface ContentHandler

Overrides:

endPrefixMapping in class DefaultHandler

Throws:

SAXException

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warning

public void warning(SAXParseException x)

Specified by:

warning in interface ErrorHandler

Overrides:

warning in class DefaultHandler

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error

public void error(SAXParseException x)

Specified by:

error in interface ErrorHandler

Overrides:

error in class DefaultHandler

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fatalError

public void fatalError(SAXParseException x)
                throws SAXParseException

Specified by:

fatalError in interface ErrorHandler

Overrides:

fatalError in class DefaultHandler

Throws:

SAXParseException

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