tmiller 01/07/20 13:07:44
Modified: java/src/org/apache/xalan/xsltc/trax DOM2SAX.java
Log:
updated convertor which supports DOMSource impl
Revision Changes Path
1.2 +144 -6 xml-xalan/java/src/org/apache/xalan/xsltc/trax/DOM2SAX.java
Index: DOM2SAX.java
===================================================================
RCS file: /home/cvs/xml-xalan/java/src/org/apache/xalan/xsltc/trax/DOM2SAX.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- DOM2SAX.java 2001/07/20 14:42:10 1.1
+++ DOM2SAX.java 2001/07/20 20:07:44 1.2
@@ -1,5 +1,5 @@
/*
- * @(#)$Id: DOM2SAX.java,v 1.1 2001/07/20 14:42:10 tmiller Exp $
+ * @(#)$Id: DOM2SAX.java,v 1.2 2001/07/20 20:07:44 tmiller Exp $
*
* The Apache Software License, Version 1.1
*
@@ -66,24 +66,31 @@
import org.xml.sax.XMLReader;
import org.xml.sax.ContentHandler;
import org.xml.sax.DTDHandler;
+import org.xml.sax.Locator;
import org.xml.sax.ErrorHandler;
import org.xml.sax.EntityResolver;
import org.xml.sax.InputSource;
import org.xml.sax.SAXNotRecognizedException;
import org.xml.sax.SAXNotSupportedException;
import org.xml.sax.SAXException;
+import org.xml.sax.helpers.AttributesImpl;
import org.w3c.dom.Node;
+import org.w3c.dom.Document;
+import org.w3c.dom.NamedNodeMap;
import java.io.IOException;
+import org.w3c.dom.Entity;
+import org.w3c.dom.Notation;
-/**
- * skeleton extension of XMLFilterImpl for now.
- */
-public class DOM2SAX implements XMLReader {
+public class DOM2SAX implements XMLReader , Locator {
+ private Document _dom = null;
+ private ContentHandler _contentHdlr = null;
+
public DOM2SAX(Node root) {
+ _dom = (Document)root;
}
public ContentHandler getContentHandler() {
- return null;
+ return _contentHdlr;
}
public DTDHandler getDTDHandler() {
return null;
@@ -101,6 +108,97 @@
{
}
public void parse(InputSource input) throws IOException, SAXException {
+ Node currNode = _dom;
+ while (currNode != null) {
+ // start of node processing
+ switch (currNode.getNodeType()) {
+ case Node.ATTRIBUTE_NODE :
+ break;
+ case Node.CDATA_SECTION_NODE :
+ break;
+ case Node.COMMENT_NODE :
+ break;
+ case Node.DOCUMENT_FRAGMENT_NODE :
+ break;
+ case Node.DOCUMENT_NODE :
+ _contentHdlr.setDocumentLocator(this);
+ _contentHdlr.startDocument();
+ break;
+ case Node.DOCUMENT_TYPE_NODE :
+ break;
+ case Node.ELEMENT_NODE :
+ AttributesImpl attrList = new AttributesImpl();
+ NamedNodeMap map = currNode.getAttributes();
+ int length = map.getLength();
+ for (int i=0; i<length; i++ ){
+ Node attrNode = map.item(i);
+ short code = attrNode.getNodeType();
+ attrList.addAttribute(attrNode.getNamespaceURI(),
+ attrNode.getLocalName(),
+ attrNode.getNodeName(),
+ getNodeTypeFromCode(code), // must be better way
+ attrNode.getNodeValue());
+ }
+ _contentHdlr.startElement(currNode.getNamespaceURI(),
+ currNode.getLocalName(), currNode.getNodeName(),
+ attrList);
+ break;
+ case Node.ENTITY_NODE :
+ /***
+ Entity edecl = (Entity)currNode;
+ String name = edecl.getNotationName();
+ if ( name != null ) {
+ _contentHdlr.unparsedEntityDecl(currNode.getNodeName(),
+ edecl.getPublicId(), edecl.getSystemId(), name);
+ }
+ **/
+ break;
+ case Node.ENTITY_REFERENCE_NODE :
+ break;
+ case Node.NOTATION_NODE :
+ /***
+ Notation ndecl = (Notation)currNode;
+ _contentHdlr.notationDecl(currNode.getNodeName(),
+ ndecl.getPublicId(), ndecl.getSystemId());
+ **/
+ break;
+ case Node.PROCESSING_INSTRUCTION_NODE :
+ _contentHdlr.processingInstruction(currNode.getNodeName(),
+ currNode.getNodeValue());
+ break;
+ case Node.TEXT_NODE :
+ String data = currNode.getNodeValue();
+ length = data.length();
+ char[] array = new char[length];
+ data.getChars(0, length, array, 0);
+ _contentHdlr.characters(array, 0, length);
+ break;
+ }
+
+ // move to first child
+ Node next = currNode.getFirstChild();
+ if (next != null) {
+ currNode = next;
+ continue;
+ }
+
+ // no child nodes, walk the tree
+ while (currNode != null) {
+ switch (currNode.getNodeType()) {
+ case Node.DOCUMENT_NODE:
+ break;
+ case Node.ELEMENT_NODE:
+ break;
+ }
+ next = currNode.getNextSibling();
+ if (next != null ) {
+ currNode = next;
+ break;
+ }
+ // move up a level
+ currNode = currNode.getParentNode();
+ }
+ }
}
public void parse(String sysId) throws IOException, SAXException {
}
@@ -108,6 +206,7 @@
NullPointerException
{
if (handler == null ) throw new NullPointerException();
+ _contentHdlr = handler;
}
public void setDTDHandler(DTDHandler handler) throws NullPointerException {
if (handler == null ) throw new NullPointerException();
@@ -132,5 +231,44 @@
SAXNotSupportedException
{
return null;
+ }
+
+ // Locator methods
+ public int getColumnNumber() { return 0; }
+ public int getLineNumber() { return 0; }
+ public String getPublicId() { return null; }
+ public String getSystemId() { return null; }
+
+
+ // private
+ private String getNodeTypeFromCode(short code) {
+ String retval = null;
+ switch (code) {
+ case Node.ATTRIBUTE_NODE :
+ retval = "ATTRIBUTE_NODE"; break;
+ case Node.CDATA_SECTION_NODE :
+ retval = "CDATA_SECTION_NODE"; break;
+ case Node.COMMENT_NODE :
+ retval = "COMMENT_NODE"; break;
+ case Node.DOCUMENT_FRAGMENT_NODE :
+ retval = "DOCUMENT_FRAGMENT_NODE"; break;
+ case Node.DOCUMENT_NODE :
+ retval = "DOCUMENT_NODE"; break;
+ case Node.DOCUMENT_TYPE_NODE :
+ retval = "DOCUMENT_TYPE_NODE"; break;
+ case Node.ELEMENT_NODE :
+ retval = "ELEMENT_NODE"; break;
+ case Node.ENTITY_NODE :
+ retval = "ENTITY_NODE"; break;
+ case Node.ENTITY_REFERENCE_NODE :
+ retval = "ENTITY_REFERENCE_NODE"; break;
+ case Node.NOTATION_NODE :
+ retval = "NOTATION_NODE"; break;
+ case Node.PROCESSING_INSTRUCTION_NODE :
+ retval = "PROCESSING_INSTRUCTION_NODE"; break;
+ case Node.TEXT_NODE:
+ retval = "TEXT_NODE"; break;
+ }
+ return retval;
}
}
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