sboag 00/07/17 18:37:31
Modified: java/src/org/apache/xalan/transformer TransformerImpl.java
Log:
Support getFeature for the TrAX features.
Revision Changes Path
1.5 +38 -1
xml-xalan/java/src/org/apache/xalan/transformer/TransformerImpl.java
Index: TransformerImpl.java
===================================================================
RCS file:
/home/cvs/xml-xalan/java/src/org/apache/xalan/transformer/TransformerImpl.java,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- TransformerImpl.java 2000/07/06 02:21:32 1.4
+++ TransformerImpl.java 2000/07/18 01:37:30 1.5
@@ -127,6 +127,8 @@
import org.xml.sax.helpers.XMLReaderFactory;
import org.xml.sax.ext.DeclHandler;
import org.xml.sax.ext.LexicalHandler;
+import org.xml.sax.SAXNotRecognizedException;
+import org.xml.sax.SAXNotSupportedException;
// TRaX Imports
import trax.Result;
@@ -282,6 +284,7 @@
reader.setContentHandler( inputHandler );
reader.setProperty("http://xml.org/sax/properties/lexical-handler";,
inputHandler);
+ // Set the reader for cloning purposes.
getXPathContext().setPrimaryReader(reader);
// Kick off the parse. When the ContentHandler gets
@@ -290,6 +293,7 @@
}
catch(SAXException se)
{
+ se.printStackTrace();
throw new TransformException(se);
}
catch(IOException ioe)
@@ -470,7 +474,7 @@
}
return handler;
}
-
+
/**
* Process the source tree to the output result.
* @param xmlSource The input for the source tree.
@@ -1446,6 +1450,39 @@
public TraceManager getTraceManager()
{
return m_traceManager;
+ }
+
+ /**
+ * Look up the value of a feature.
+ *
+ * <p>The feature name is any fully-qualified URI. It is
+ * possible for an Processor to recognize a feature name but
+ * to be unable to return its value; this is especially true
+ * in the case of an adapter for a SAX1 Parser, which has
+ * no way of knowing whether the underlying parser is
+ * validating, for example.</p>
*
* <h3>Open issues:</h3>
+ * <dl>
* <dt><h4>Should getFeature be changed to hasFeature?</h4></dt>
+ * <dd>Keith Visco writes: Should getFeature be changed to hasFeature?
+ * It returns a boolean which indicated whether the "state"
+ * of feature is "true or false". I assume this means whether
+ * or not a feature is supported? I know SAX is using "getFeature",
+ * but to me "hasFeature" is cleaner.</dd>
+ * </dl>
*
+ * @param name The feature name, which is a fully-qualified
+ * URI.
+ * @return The current state of the feature (true or false).
+ * @exception org.xml.sax.SAXNotRecognizedException When the
+ * Processor does not recognize the feature name.
+ * @exception org.xml.sax.SAXNotSupportedException When the
+ * Processor recognizes the feature name but
+ * cannot determine its value at this time.
+ */
+ public boolean getFeature (String name)
+ throws SAXNotRecognizedException, SAXNotSupportedException
{
+ if("http://xml.org/trax/features/sax/input".equals(name))
+ return true;
+ else if("http://xml.org/trax/features/dom/input".equals(name))
+ return true;
throw new SAXNotRecognizedException(name);
}
