mirceatoma 2002/10/16 10:12:32
Modified: xmlutil/src/java/org/apache/excalibur/xml/sax
ContentHandlerAdapter.java
Log:
Rename to ContentHandlerProxy.
Rename from DocumentHandlerAdapter.
Revision Changes Path
1.2 +103 -127
jakarta-avalon-excalibur/xmlutil/src/java/org/apache/excalibur/xml/sax/ContentHandlerAdapter.java
Index: ContentHandlerAdapter.java
===================================================================
RCS file:
/home/cvs/jakarta-avalon-excalibur/xmlutil/src/java/org/apache/excalibur/xml/sax/ContentHandlerAdapter.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- ContentHandlerAdapter.java 13 Oct 2002 03:20:14 -0000 1.1
+++ ContentHandlerAdapter.java 16 Oct 2002 17:12:32 -0000 1.2
@@ -5,143 +5,119 @@
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
+
package org.apache.excalibur.xml.sax;
-import org.xml.sax.Attributes;
+import java.util.Enumeration;
+import org.xml.sax.AttributeList;
import org.xml.sax.ContentHandler;
+import org.xml.sax.DocumentHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
+import org.xml.sax.helpers.AttributesImpl;
+import org.xml.sax.helpers.NamespaceSupport;
/**
- * This class is an utility class "wrapping" around a SAX version 2.0
- * {@link ContentHandler} and forwarding the events to it.
- * <br>
+ * This class is an utility class adapting a SAX version 2.0
+ * {@link ContentHandler} ato receive SAX version 1.0 events.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Mircea Toma</a>
* @version CVS $Revision$ $Date$
*/
-public class ContentHandlerAdapter implements ContentHandler
-{
- /** The current {@link ContentHandler}. */
- private final ContentHandler m_contentHandler;
-
- /**
- * Create a new <code>ContentHandlerWrapper</code> instance.
- */
- public ContentHandlerAdapter(final ContentHandler contentHandler)
- {
- m_contentHandler = contentHandler;
- }
-
- /**
- * Receive an object for locating the origin of SAX document events.
- */
- public void setDocumentLocator( final Locator locator )
- {
- m_contentHandler.setDocumentLocator( locator );
- }
-
- /**
- * Receive notification of the beginning of a document.
- */
- public void startDocument()
- throws SAXException
- {
- m_contentHandler.startDocument();
- }
- /**
- * Receive notification of the end of a document.
- */
- public void endDocument()
- throws SAXException
- {
- m_contentHandler.endDocument();
- }
-
- /**
- * Begin the scope of a prefix-URI Namespace mapping.
- */
- public void startPrefixMapping( final String prefix,
- final String uri )
- throws SAXException
- {
- m_contentHandler.startPrefixMapping( prefix, uri );
- }
-
- /**
- * End the scope of a prefix-URI mapping.
- */
- public void endPrefixMapping( final String prefix )
- throws SAXException
- {
- m_contentHandler.endPrefixMapping( prefix );
- }
-
- /**
- * Receive notification of the beginning of an element.
- */
- public void startElement( final String uri,
- final String loc,
- final String raw,
- final Attributes a )
- throws SAXException
- {
- m_contentHandler.startElement( uri, loc, raw, a );
- }
-
- /**
- * Receive notification of the end of an element.
- */
- public void endElement( final String uri,
- final String loc,
- final String raw )
- throws SAXException
- {
- m_contentHandler.endElement( uri, loc, raw );
- }
-
- /**
- * Receive notification of character data.
- */
- public void characters( final char[] ch,
- final int start,
- final int len )
- throws SAXException
- {
- m_contentHandler.characters( ch, start, len );
- }
-
- /**
- * Receive notification of ignorable whitespace in element content.
- */
- public void ignorableWhitespace( final char[] ch,
- final int start,
- final int len )
- throws SAXException
- {
- m_contentHandler.ignorableWhitespace( ch, start, len );
- }
-
- /**
- * Receive notification of a processing instruction.
- */
- public void processingInstruction( final String target,
- final String data )
- throws SAXException
- {
- m_contentHandler.processingInstruction( target, data );
- }
-
- /**
- * Receive notification of a skipped entity.
- *
- * @param name The name of the skipped entity. If it is a parameter
- * entity, the name will begin with '%'.
- */
- public void skippedEntity( final String name )
- throws SAXException
- {
- m_contentHandler.skippedEntity( name );
+public class ContentHandlerAdapter implements DocumentHandler
+{
+ private final static String XMLNS = "xmlns";
+ private final static String XMLNS_PREFIX = "xmlns:";
+ private final ContentHandler m_handler;
+ private final NamespaceSupport m_support = new NamespaceSupport();
+
+ public ContentHandlerAdapter(ContentHandler handler)
+ {
+ m_handler = handler;
+ }
+
+ public void setDocumentLocator( Locator locator )
+ {
+ m_handler.setDocumentLocator( locator );
+ }
+
+ public void startDocument() throws SAXException
+ {
+ m_handler.startDocument();
+ }
+
+ public void endDocument() throws SAXException
+ {
+ m_handler.endDocument();
+ }
+
+ public void characters( char ch[], int start, int length ) throws SAXException
+ {
+ m_handler.characters( ch, start, length );
+ }
+
+ public void ignorableWhitespace( char ch[], int start, int length ) throws
SAXException
+ {
+ m_handler.ignorableWhitespace( ch, start, length );
+ }
+
+ public void processingInstruction( String target, String data ) throws
SAXException
+ {
+ m_handler.processingInstruction( target, data );
+ }
+
+ public void startElement( String name, AttributeList atts ) throws SAXException
+ {
+ m_support.pushContext();
+
+ for (int i = 0; i < atts.getLength(); i++)
+ {
+ final String attributeName = atts.getName(i);
+ if ( attributeName.startsWith( XMLNS_PREFIX ) )
+ {
+ m_support.declarePrefix( attributeName.substring( 6 ),
atts.getValue( i ) );
+ }
+ else if ( attributeName.equals( XMLNS ) )
+ {
+ m_support.declarePrefix( "", atts.getValue( i ) );
+ }
+ }
+
+ final AttributesImpl attributes = new AttributesImpl();
+ for ( int i = 0; i < atts.getLength(); i++ )
+ {
+ final String attributeName = atts.getName(i);
+ if ( !attributeName.startsWith( XMLNS_PREFIX ) &&
!attributeName.equals( XMLNS ) )
+ {
+ final String[] parts = m_support.processName( name, new String[3],
true );
+ attributes.addAttribute(parts[0], parts[1], parts[2], atts.getType(
i ), atts.getValue( i ) );
+ }
+ }
+
+ final Enumeration e = m_support.getDeclaredPrefixes();
+ while( e.hasMoreElements() )
+ {
+ final String prefix = (String)e.nextElement();
+ m_handler.startPrefixMapping( prefix, m_support.getURI( prefix ) );
+ }
+
+ final String[] parts = m_support.processName( name, new String[3], false );
+ m_handler.startElement( parts[0], parts[1], parts[2], attributes );
+ }
+
+ public void endElement( String name ) throws SAXException
+ {
+ final String[] parts = m_support.processName( name, new String[3], false );
+ m_handler.endElement( parts[0], parts[1], parts[2] );
+
+ final Enumeration e = m_support.getDeclaredPrefixes();
+ while( e.hasMoreElements() )
+ {
+ final String prefix = (String)e.nextElement();
+ m_handler.endPrefixMapping( prefix );
+ }
+
+ m_support.popContext();
}
}
--
To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]>
For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
