[jboss-cvs] Picketlink SVN: r890 - federation/trunk/picketlink-fed-core/src/main/java/org/picketlink/identity/federation/core/util.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Thu Apr 14 15:57:33 EDT 2011
Author: anil.saldhana at jboss.com
Date: 2011-04-14 15:57:33 -0400 (Thu, 14 Apr 2011)
New Revision: 890
Modified:
federation/trunk/picketlink-fed-core/src/main/java/org/picketlink/identity/federation/core/util/TransformerUtil.java
Log:
add trace
Modified: federation/trunk/picketlink-fed-core/src/main/java/org/picketlink/identity/federation/core/util/TransformerUtil.java
===================================================================
--- federation/trunk/picketlink-fed-core/src/main/java/org/picketlink/identity/federation/core/util/TransformerUtil.java 2011-04-14 09:41:59 UTC (rev 889)
+++ federation/trunk/picketlink-fed-core/src/main/java/org/picketlink/identity/federation/core/util/TransformerUtil.java 2011-04-14 19:57:33 UTC (rev 890)
@@ -51,6 +51,7 @@
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.stax.StAXSource;
+import org.apache.log4j.Logger;
import org.picketlink.identity.federation.core.exceptions.ConfigurationException;
import org.picketlink.identity.federation.core.exceptions.ParsingException;
import org.picketlink.identity.federation.core.parsers.util.StaxParserUtil;
@@ -65,6 +66,10 @@
*/
public class TransformerUtil
{
+ private static Logger log = Logger.getLogger(TransformerUtil.class);
+
+ private static final boolean trace = log.isTraceEnabled();
+
/**
* Get the Default Transformer
* @return
@@ -98,11 +103,11 @@
* @return
* @throws ConfigurationException
*/
- public static Transformer getStaxSourceToDomResultTransformer() throws ConfigurationException
+ public static Transformer getStaxSourceToDomResultTransformer() throws ConfigurationException
{
- return new PicketLinkStaxToDOMTransformer();
+ return new PicketLinkStaxToDOMTransformer();
}
-
+
/**
* Use the transformer to transform
* @param transformer
@@ -110,31 +115,31 @@
* @param result
* @throws ParsingException
*/
- public static void transform( Transformer transformer, StAXSource stax, DOMResult result ) throws ParsingException
+ public static void transform(Transformer transformer, StAXSource stax, DOMResult result) throws ParsingException
{
try
{
- transformer.transform( stax, result );
+ transformer.transform(stax, result);
}
catch (TransformerException e)
{
- throw new ParsingException( e );
- }
+ throw new ParsingException(e);
+ }
}
-
- public static void transform( JAXBContext context, JAXBElement<?> jaxb, Result result ) throws ParsingException
+
+ public static void transform(JAXBContext context, JAXBElement<?> jaxb, Result result) throws ParsingException
{
try
{
Transformer transformer = getTransformer();
- JAXBSource jaxbSource = new JAXBSource(context, jaxb );
+ JAXBSource jaxbSource = new JAXBSource(context, jaxb);
- transformer.transform( jaxbSource , result );
+ transformer.transform(jaxbSource, result);
}
- catch ( Exception e )
+ catch (Exception e)
{
- throw new ParsingException( e );
- }
+ throw new ParsingException(e);
+ }
}
/**
@@ -143,21 +148,21 @@
* @author anil
*/
private static class PicketLinkStaxToDOMTransformer extends Transformer
- {
+ {
@Override
public void transform(Source xmlSource, Result outputTarget) throws TransformerException
{
- if( !( xmlSource instanceof StAXSource ))
- throw new IllegalArgumentException( "xmlSource should be a stax source" );
- if( outputTarget instanceof DOMResult == false )
- throw new IllegalArgumentException( "outputTarget should be a dom result" );
+ if (!(xmlSource instanceof StAXSource))
+ throw new IllegalArgumentException("xmlSource should be a stax source");
+ if (outputTarget instanceof DOMResult == false)
+ throw new IllegalArgumentException("outputTarget should be a dom result");
String rootTag = null;
StAXSource staxSource = (StAXSource) xmlSource;
XMLEventReader xmlEventReader = staxSource.getXMLEventReader();
- if( xmlEventReader == null )
- throw new TransformerException( "The StaxSource is expected to be created using XMLEventReader" );
+ if (xmlEventReader == null)
+ throw new TransformerException("The StaxSource is expected to be created using XMLEventReader");
DOMResult domResult = (DOMResult) outputTarget;
Document doc = (Document) domResult.getNode();
@@ -167,69 +172,69 @@
try
{
XMLEvent xmlEvent = StaxParserUtil.getNextEvent(xmlEventReader);
- if( xmlEvent instanceof StartElement == false )
- throw new TransformerException( "Expected StartElement " );
+ if (xmlEvent instanceof StartElement == false)
+ throw new TransformerException("Expected StartElement ");
StartElement rootElement = (StartElement) xmlEvent;
- rootTag = StaxParserUtil.getStartElementName( rootElement );
- Element docRoot = handleStartElement(xmlEventReader, rootElement, new CustomHolder(doc, false) );
- Node parent = (Element) doc.importNode(docRoot, true);
- doc.appendChild( parent );
+ rootTag = StaxParserUtil.getStartElementName(rootElement);
+ Element docRoot = handleStartElement(xmlEventReader, rootElement, new CustomHolder(doc, false));
+ Node parent = doc.importNode(docRoot, true);
+ doc.appendChild(parent);
- stack.push(parent);
+ stack.push(parent);
- while( xmlEventReader.hasNext() )
+ while (xmlEventReader.hasNext())
{
xmlEvent = StaxParserUtil.getNextEvent(xmlEventReader);
int type = xmlEvent.getEventType();
- switch( type )
+ switch (type)
{
- case XMLEvent.START_ELEMENT:
+ case XMLEvent.START_ELEMENT :
StartElement startElement = (StartElement) xmlEvent;
CustomHolder holder = new CustomHolder(doc, false);
- Element docStartElement = handleStartElement(xmlEventReader, startElement, holder );
+ Element docStartElement = handleStartElement(xmlEventReader, startElement, holder);
Node el = doc.importNode(docStartElement, true);
Node top = null;
-
- if( !stack.isEmpty())
+
+ if (!stack.isEmpty())
{
- top = stack.peek();
+ top = stack.peek();
}
- if( !holder.encounteredTextNode )
+ if (!holder.encounteredTextNode)
{
- stack.push(el);
+ stack.push(el);
}
- if( top == null )
+ if (top == null)
doc.appendChild(el);
else
- top.appendChild( el );
+ top.appendChild(el);
break;
- case XMLEvent.END_ELEMENT:
+ case XMLEvent.END_ELEMENT :
EndElement endElement = (EndElement) xmlEvent;
- String endTag = StaxParserUtil.getEndElementName( endElement );
- if( rootTag.equals( endTag ))
+ String endTag = StaxParserUtil.getEndElementName(endElement);
+ if (rootTag.equals(endTag))
return; //We are done with the dom parsing
else
{
- if( !stack.isEmpty() )
- stack.pop();
- }
+ if (!stack.isEmpty())
+ stack.pop();
+ }
break;
}
}
}
catch (ParsingException e)
{
- throw new TransformerException( e );
+ throw new TransformerException(e);
}
}
@Override
public void setParameter(String name, Object value)
- {
+ {
}
@Override
@@ -240,89 +245,94 @@
@Override
public void clearParameters()
- {
+ {
}
@Override
public void setURIResolver(URIResolver resolver)
- {
+ {
}
@Override
public URIResolver getURIResolver()
- {
+ {
return null;
}
@Override
public void setOutputProperties(Properties oformat)
- {
+ {
}
@Override
public Properties getOutputProperties()
- {
+ {
return null;
}
@Override
public void setOutputProperty(String name, String value) throws IllegalArgumentException
- {
+ {
}
@Override
public String getOutputProperty(String name) throws IllegalArgumentException
- {
+ {
return null;
}
@Override
public void setErrorListener(ErrorListener listener) throws IllegalArgumentException
- {
+ {
}
@Override
public ErrorListener getErrorListener()
- {
+ {
return null;
- }
+ }
- private Element handleStartElement( XMLEventReader xmlEventReader, StartElement startElement,CustomHolder holder) throws ParsingException
- {
- Document doc = holder.doc;
-
+ private Element handleStartElement(XMLEventReader xmlEventReader, StartElement startElement, CustomHolder holder)
+ throws ParsingException
+ {
+ Document doc = holder.doc;
+
QName elementName = startElement.getName();
String ns = elementName.getNamespaceURI();
String prefix = elementName.getPrefix();
String localPart = elementName.getLocalPart();
- String qual = prefix != null && prefix != "" ? prefix + ":" + localPart : localPart ;
- Element el = doc.createElementNS( ns, qual );
-
- if( StringUtil.isNotNull( prefix ))
+ String qual = prefix != null && prefix != "" ? prefix + ":" + localPart : localPart;
+ Element el = doc.createElementNS(ns, qual);
+
+ if (StringUtil.isNotNull(prefix))
{
- el.setPrefix( prefix );
+ el.setPrefix(prefix);
}
//Look for attributes
@SuppressWarnings("unchecked")
Iterator<Attribute> attrs = startElement.getAttributes();
- while( attrs != null && attrs.hasNext() )
+ while (attrs != null && attrs.hasNext())
{
Attribute attr = attrs.next();
QName attrName = attr.getName();
ns = attrName.getNamespaceURI();
prefix = attrName.getPrefix();
localPart = attrName.getLocalPart();
- qual = prefix != null && prefix != "" ? prefix + ":" + localPart : localPart ;
+ qual = prefix != null && prefix != "" ? prefix + ":" + localPart : localPart;
- doc.createAttributeNS( ns, qual );
- el.setAttributeNS( ns, qual , attr.getValue() );
- }
+ if (trace)
+ {
+ log.trace("Creating an Attribute Namespace=" + ns + ":" + qual);
+ }
+ doc.createAttributeNS(ns, qual);
+ el.setAttributeNS(ns, qual, attr.getValue());
+ }
// look for namespaces
@SuppressWarnings("unchecked")
- Iterator<Namespace> namespaces = startElement.getNamespaces();
+ Iterator<Namespace> namespaces = startElement.getNamespaces();
while (namespaces != null && namespaces.hasNext())
{
Namespace namespace = namespaces.next();
@@ -331,52 +341,57 @@
prefix = name.getPrefix();
if (prefix != null && prefix != "")
qual = (localPart != null && localPart != "") ? prefix + ":" + localPart : prefix;
-
+
+ if (trace)
+ {
+ log.trace("Set Attribute Namespace=" + name.getNamespaceURI() + ":" + qual);
+ }
el.setAttributeNS(name.getNamespaceURI(), qual, namespace.getNamespaceURI());
}
XMLEvent nextEvent = StaxParserUtil.peek(xmlEventReader);
- if( nextEvent instanceof Comment )
+ if (nextEvent instanceof Comment)
{
Comment commentEvent = (Comment) nextEvent;
- Node commentNode = doc.createComment( commentEvent.getText() );
+ Node commentNode = doc.createComment(commentEvent.getText());
commentNode = doc.importNode(commentNode, true);
- el.appendChild(commentNode);
+ el.appendChild(commentNode);
}
- else if( nextEvent.getEventType() == XMLEvent.CHARACTERS )
- {
- Characters characterEvent = (Characters) nextEvent;
+ else if (nextEvent.getEventType() == XMLEvent.CHARACTERS)
+ {
+ Characters characterEvent = (Characters) nextEvent;
String trimmedData = characterEvent.getData().trim();
-
- if( trimmedData != null && trimmedData.length() > 0 )
+
+ if (trimmedData != null && trimmedData.length() > 0)
{
holder.encounteredTextNode = true;
try
{
- String text = StaxParserUtil.getElementText(xmlEventReader);
+ String text = StaxParserUtil.getElementText(xmlEventReader);
- Node textNode = doc.createTextNode( text );
+ Node textNode = doc.createTextNode(text);
textNode = doc.importNode(textNode, true);
- el.appendChild( textNode );
+ el.appendChild(textNode);
}
- catch( Exception e )
+ catch (Exception e)
{
Location location = characterEvent.getLocation();
- throw new ParsingException( " Location:" + location.toString(), e );
+ throw new ParsingException(" Location:" + location.toString(), e);
}
- }
- }
+ }
+ }
return el;
}
-
+
private class CustomHolder
{
- public Document doc;
+ public Document doc;
+
public boolean encounteredTextNode = false;
-
- public CustomHolder( Document document, boolean bool )
+
+ public CustomHolder(Document document, boolean bool)
{
- this.doc = document;
+ this.doc = document;
this.encounteredTextNode = bool;
}
}
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