smarttransformerfactoryimpl.java

来自「JAVA的一些源码 JAVA2 STANDARD EDITION DEVELO」· Java 代码 · 共 481 行 · 第 1/2 页

	// All supported features should be listed here
        String[] features = {
            DOMSource.FEATURE,
            DOMResult.FEATURE,
            SAXSource.FEATURE,
            SAXResult.FEATURE,
            StreamSource.FEATURE,
            StreamResult.FEATURE
        };

        // Inefficient, but it really does not matter in a function like this
        for (int i=0; i<features.length; i++) {
            if (name.equals(features[i])) return true;
	}

	// secure processing?
	if (name.equals(XMLConstants.FEATURE_SECURE_PROCESSING)) {
	    return featureSecureProcessing;
	}

        // Feature not supported
        return false;
    }

    public URIResolver getURIResolver() {
	return _uriresolver; 
    } 

    public void setURIResolver(URIResolver resolver) {
	_uriresolver = resolver;
    }

    public Source getAssociatedStylesheet(Source source, String media,
					  String title, String charset)
	throws TransformerConfigurationException 
    {
	if (_currFactory == null) {
            createXSLTCTransformerFactory();
        }
	return _currFactory.getAssociatedStylesheet(source, media,
		title, charset);
    }

    /**
     * Create a Transformer object that copies the input document to the
     * result. Uses the com.sun.org.apache.xalan.internal.processor.TransformerFactory.
     * @return A Transformer object.
     */
    public Transformer newTransformer()
	throws TransformerConfigurationException 
    {
	if (_xalanFactory == null) {
            createXalanTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xalanFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xalanFactory.setURIResolver(_uriresolver);
	}
 	_currFactory = _xalanFactory;	 
	return _currFactory.newTransformer(); 
    }

    /**
     * Create a Transformer object that from the input stylesheet 
     * Uses the com.sun.org.apache.xalan.internal.processor.TransformerFactory.
     * @param source the stylesheet.
     * @return A Transformer object.
     */
    public Transformer newTransformer(Source source) throws
	TransformerConfigurationException 
    {
        if (_xalanFactory == null) {
            createXalanTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xalanFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xalanFactory.setURIResolver(_uriresolver);
	}
 	_currFactory = _xalanFactory;	 
	return _currFactory.newTransformer(source); 
    }

    /**
     * Create a Templates object that from the input stylesheet 
     * Uses the com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory.
     * @param source the stylesheet.
     * @return A Templates object.
     */
    public Templates newTemplates(Source source)
	throws TransformerConfigurationException 
    {
        if (_xsltcFactory == null) {
            createXSLTCTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xsltcFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xsltcFactory.setURIResolver(_uriresolver);
	}
 	_currFactory = _xsltcFactory;	 
	return _currFactory.newTemplates(source); 
    }

    /**
     * Get a TemplatesHandler object that can process SAX ContentHandler
     * events into a Templates object. Uses the
     * com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory.
     */
    public TemplatesHandler newTemplatesHandler() 
	throws TransformerConfigurationException 
    {
        if (_xsltcFactory == null) {
            createXSLTCTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xsltcFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xsltcFactory.setURIResolver(_uriresolver);
	}
	return _xsltcFactory.newTemplatesHandler();
    }

    /**
     * Get a TransformerHandler object that can process SAX ContentHandler
     * events based on a copy transformer. 
     * Uses com.sun.org.apache.xalan.internal.processor.TransformerFactory. 
     */
    public TransformerHandler newTransformerHandler() 
	throws TransformerConfigurationException 
    {
        if (_xalanFactory == null) {
            createXalanTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xalanFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xalanFactory.setURIResolver(_uriresolver);
	}
	return _xalanFactory.newTransformerHandler(); 
    }

    /**
     * Get a TransformerHandler object that can process SAX ContentHandler
     * events based on a transformer specified by the stylesheet Source. 
     * Uses com.sun.org.apache.xalan.internal.processor.TransformerFactory. 
     */
    public TransformerHandler newTransformerHandler(Source src) 
	throws TransformerConfigurationException 
    {
        if (_xalanFactory == null) {
            createXalanTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xalanFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xalanFactory.setURIResolver(_uriresolver);
	}
	return _xalanFactory.newTransformerHandler(src); 
    }


    /**
     * Get a TransformerHandler object that can process SAX ContentHandler
     * events based on a transformer specified by the stylesheet Source. 
     * Uses com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory. 
     */
    public TransformerHandler newTransformerHandler(Templates templates) 
	throws TransformerConfigurationException  
    {
        if (_xsltcFactory == null) {
            createXSLTCTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xsltcFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xsltcFactory.setURIResolver(_uriresolver);
	}
        return _xsltcFactory.newTransformerHandler(templates);
    }


    /**
     * Create an XMLFilter that uses the given source as the
     * transformation instructions. Uses
     * com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory.
     */
    public XMLFilter newXMLFilter(Source src) 
	throws TransformerConfigurationException {
        if (_xsltcFactory == null) {
            createXSLTCTransformerFactory();
        }
	if (_errorlistener != null) {
	    _xsltcFactory.setErrorListener(_errorlistener);	    
	}
	if (_uriresolver != null) {
	    _xsltcFactory.setURIResolver(_uriresolver);
	}
	Templates templates = _xsltcFactory.newTemplates(src);
	if (templates == null ) return null;
	return newXMLFilter(templates); 
    }

    /*
     * Create an XMLFilter that uses the given source as the
     * transformation instructions. Uses
     * com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactory.
     */
    public XMLFilter newXMLFilter(Templates templates) 
	throws TransformerConfigurationException {
	try {
            return new com.sun.org.apache.xalan.internal.xsltc.trax.TrAXFilter(templates);
        }
        catch(TransformerConfigurationException e1) {
            if (_xsltcFactory == null) {
                createXSLTCTransformerFactory();
            }
	    ErrorListener errorListener = _xsltcFactory.getErrorListener();
            if(errorListener != null) {
                try {
                    errorListener.fatalError(e1);
                    return null;
                }
                catch( TransformerException e2) {
                    new TransformerConfigurationException(e2);
                }
            }
            throw e1;
        }
    }
}