org.drools.xml
Class XmlPackageReader

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

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class XmlPackageReader

extends org.xml.sax.helpers.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.

Field Summary

static java.lang.String	ENTITY_RESOLVER_PROPERTY_NAME
static java.lang.String	RULES_NAMESPACE_URI Namespace URI for the general tags.

Constructor Summary

XmlPackageReader()
Construct.

XmlPackageReader(javax.xml.parsers.SAXParser parser)
Construct.

Method Summary

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

See Also:

Constant Field Values

RULES_NAMESPACE_URI

public static final java.lang.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.

XmlPackageReader

public XmlPackageReader(javax.xml.parsers.SAXParser parser)

Construct.

Uses the default classpath-based DefaultSemanticModule.

Parameters:

parser - The SAX parser.

Method Detail

read

public PackageDescr read(java.io.Reader reader)
                  throws org.xml.sax.SAXException,
                         java.io.IOException

Read a RuleSet from a Reader.

Throws:

org.xml.sax.SAXException

java.io.IOException

Parameters:

reader - The reader containing the rule-set.

Returns:

The rule-set.

read

public PackageDescr read(java.io.InputStream inputStream)
                  throws org.xml.sax.SAXException,
                         java.io.IOException

Read a RuleSet from an InputStream.

Throws:

org.xml.sax.SAXException

java.io.IOException

Parameters:

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

Returns:

The rule-set.

read

public PackageDescr read(org.xml.sax.InputSource in)
                  throws org.xml.sax.SAXException,
                         java.io.IOException

Read a RuleSet from an InputSource.

Throws:

org.xml.sax.SAXException

java.io.IOException

Parameters:

in - The rule-set input-source.

Returns:

The rule-set.

getPackageDescr

public PackageDescr getPackageDescr()

setDocumentLocator

public void setDocumentLocator(org.xml.sax.Locator locator)

See Also:

ContentHandler

getLocator

public org.xml.sax.Locator getLocator()

Get the Locator.

Returns:

The locator.

startDocument

public void startDocument()

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qname,
                         org.xml.sax.Attributes attrs)
                  throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

Parameters:

uri -

localName -

qname -

attrs -

See Also:

ContentHandler

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qname)
                throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

Parameters:

uri -

localName -

qname -

See Also:

ContentHandler

startConfiguration

protected void startConfiguration(java.lang.String name,
                                  org.xml.sax.Attributes attrs)

Start a configuration node.

Parameters:

name - Tag name.

attrs - Tag attributes.

characters

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

Parameters:

chars -

start -

len -

See Also:

ContentHandler

endConfiguration

protected Configuration endConfiguration()

End a configuration node.

Returns:

The configuration.

resolveEntity

public org.xml.sax.InputSource resolveEntity(java.lang.String publicId,
                                             java.lang.String systemId)
                                      throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

startPrefixMapping

public void startPrefixMapping(java.lang.String prefix,
                               java.lang.String uri)
                        throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

endPrefixMapping

public void endPrefixMapping(java.lang.String prefix)
                      throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

warning

public void warning(org.xml.sax.SAXParseException x)

error

public void error(org.xml.sax.SAXParseException x)

fatalError

public void fatalError(org.xml.sax.SAXParseException x)
                throws org.xml.sax.SAXParseException

Throws:

org.xml.sax.SAXParseException