com.itextpdf.kernel.utils

Class DefaultSafeXmlParserFactory

java.lang.Object

com.itextpdf.kernel.utils.DefaultSafeXmlParserFactory

All Implemented Interfaces:

IXmlParserFactory

public class DefaultSafeXmlParserFactory
extends Object
implements IXmlParserFactory

Implementation of IXmlParserFactory for creating safe xml parser objects. Creates parsers with configuration to prevent XML bombs and XXE attacks.

Constructor Summary

Constructors

Constructor and Description
DefaultSafeXmlParserFactory() Creates instance of DefaultSafeXmlParserFactory.

Method Summary

Modifier and Type	Method and Description
protected void	configureSafeDocumentBuilderFactory(DocumentBuilderFactory factory) Configures document builder factory to make it secure against xml attacks.
protected void	configureSafeSAXParserFactory(SAXParserFactory factory) Configures SAX parser factory to make it secure against xml attacks.
protected void	configureSafeTransformerFactory(TransformerFactory factory) Configures transformer factory to make it secure against xml attacks.
protected DocumentBuilderFactory	createDocumentBuilderFactory() Creates a document builder factory implementation.
DocumentBuilder	createDocumentBuilderInstance(boolean namespaceAware, boolean ignoringComments) Creates the instance of the DocumentBuilder.
protected SAXParserFactory	createSAXParserFactory() Creates a SAX parser factory implementation.
Transformer	createTransformerInstance() Creates the instance of the Transformer.
XMLReader	createXMLReaderInstance(boolean namespaceAware, boolean validating) Creates the instance of the XMLReader.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultSafeXmlParserFactory

public DefaultSafeXmlParserFactory()

Creates instance of DefaultSafeXmlParserFactory.

Method Detail

createDocumentBuilderInstance

public DocumentBuilder createDocumentBuilderInstance(boolean namespaceAware,
                                                     boolean ignoringComments)

Description copied from interface: IXmlParserFactory

Creates the instance of the DocumentBuilder.

Specified by:

createDocumentBuilderInstance in interface IXmlParserFactory

Parameters:

namespaceAware - specifies whether the parser should be namespace aware

ignoringComments - specifies whether the parser should ignore comments

Returns:

instance of the DocumentBuilder

createXMLReaderInstance

public XMLReader createXMLReaderInstance(boolean namespaceAware,
                                         boolean validating)

Description copied from interface: IXmlParserFactory

Creates the instance of the XMLReader.

Specified by:

createXMLReaderInstance in interface IXmlParserFactory

Parameters:

namespaceAware - specifies whether the parser should be namespace aware

validating - specifies whether the parser should validate documents as they are parsed

Returns:

instance of the XMLReader

createTransformerInstance

public Transformer createTransformerInstance()

Description copied from interface: IXmlParserFactory

Creates the instance of the Transformer.

Specified by:

createTransformerInstance in interface IXmlParserFactory

Returns:

instance of the Transformer

createDocumentBuilderFactory

protected DocumentBuilderFactory createDocumentBuilderFactory()

Creates a document builder factory implementation.

Returns:

result of DocumentBuilderFactory.newInstance() call

createSAXParserFactory

protected SAXParserFactory createSAXParserFactory()

Creates a SAX parser factory implementation.

Returns:

result of SAXParserFactory.newInstance() call

configureSafeDocumentBuilderFactory

protected void configureSafeDocumentBuilderFactory(DocumentBuilderFactory factory)

Configures document builder factory to make it secure against xml attacks.

Parameters:

factory - DocumentBuilderFactory instance to be configured

configureSafeSAXParserFactory

protected void configureSafeSAXParserFactory(SAXParserFactory factory)

Configures SAX parser factory to make it secure against xml attacks.

Parameters:

factory - SAXParserFactory instance to be configured

configureSafeTransformerFactory

protected void configureSafeTransformerFactory(TransformerFactory factory)

Configures transformer factory to make it secure against xml attacks.

Parameters:

factory - TransformerFactory instance to be configured