Revision 821
Added by bojilova over 22 years ago
| DBSAXHandler.java | ||
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import java.io.StringReader; |
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import java.util.Stack; |
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import java.util.Vector; |
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import java.util.Hashtable; |
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import java.util.Enumeration; |
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import java.util.EmptyStackException; |
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private Thread xmlIndex; |
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private boolean endDocument = false; |
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private int serverCode = 1; |
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private Hashtable namespaces = new Hashtable(); |
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private static final int MAXDATACHARS = 4000; |
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// DOCTITLE attr cleared from the db |
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} |
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} |
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/** SAX Handler that is called at the start of Namespace */ |
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public void startPrefixMapping(String prefix, String uri) |
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throws SAXException |
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{
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MetaCatUtil.debugMessage("NAMESPACE");
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namespaces.put(prefix, uri); |
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} |
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/** SAX Handler that is called at the start of each XML element */ |
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public void startElement(String uri, String localName, |
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String qName, Attributes atts) |
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throws SAXException {
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MetaCatUtil.debugMessage("Start ELEMENT " + localName);
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MetaCatUtil.debugMessage("Start ELEMENT " + qName);
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DBSAXNode parentNode = null; |
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DBSAXNode currentNode = null; |
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|
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} |
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// Create the current node representation |
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currentNode = new DBSAXNode(conn, localName, parentNode,
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currentNode = new DBSAXNode(conn, qName, parentNode,
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currentDocument.getRootNodeID(),docid, |
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currentDocument.getDoctype()); |
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// Add all of the namespaces |
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String prefix; |
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String nsuri; |
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Enumeration prefixes = namespaces.keys(); |
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while ( prefixes.hasMoreElements() ) {
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prefix = (String)prefixes.nextElement(); |
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nsuri = (String)namespaces.get(prefix); |
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currentNode.setNamespace(prefix, nsuri, docid); |
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} |
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namespaces = null; |
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namespaces = new Hashtable(); |
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// Add all of the attributes |
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for (int i=0; i<atts.getLength(); i++) {
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currentNode.setAttribute(atts.getLocalName(i), atts.getValue(i), docid);
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currentNode.setAttribute(atts.getQName(i), atts.getValue(i), docid);
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} |
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// Add the node to the stack, so that any text data can be |
| ... | ... | |
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// Write the content of the node to the database |
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currentNode.writeChildNodeToDB("TEXT", null, data, docid);
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} |
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// DOCTITLE attr cleared from the db |
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// // write the title of document if there are tag <title> |
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// if ( currentNode.getTagName().equals("title") ) {
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// if ( leftover > MAXTITLELEN ) |
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// currentDocument.setTitle(new String(cbuf, start, MAXTITLELEN)); |
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// else |
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// currentDocument.setTitle(new String(cbuf, start, leftover)); |
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// } |
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} |
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/** |
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/** SAX Handler that is called at the end of each XML element */ |
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public void endElement(String uri, String localName, |
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String qName) throws SAXException {
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MetaCatUtil.debugMessage("End ELEMENT " + localName);
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MetaCatUtil.debugMessage("End ELEMENT " + qName);
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// Get the node from the stack |
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DBSAXNode currentNode = (DBSAXNode)nodeStack.pop(); |
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doctype = publicId; |
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systemid = systemId; |
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//System.out.println("Start DTD");
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//System.out.println("DOCNAME: " + docname);
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//System.out.println("DOCTYPE: " + doctype);
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//System.out.println(" SYSID: " + systemid);
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MetaCatUtil.debugMessage("Start DTD");
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MetaCatUtil.debugMessage("DOCNAME: " + docname);
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MetaCatUtil.debugMessage("DOCTYPE: " + doctype);
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*/ |
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public void endDTD() throws SAXException {
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//System.out.println("end DTD");
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MetaCatUtil.debugMessage("end DTD");
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} |
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|
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public void attributeDecl(String eName, String aName, |
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String type, String valueDefault, String value) |
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throws org.xml.sax.SAXException {
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//System.out.println("ATTRIBUTEDECL: " + eName + " "
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// + aName + " " + type + " " + valueDefault + " " |
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// + value); |
Also available in: Unified diff
added support for Namespaces.
Metacat now can store and retrieve XML documents with Namespaces.
Namespace is stored as separate record in xml_nodes table with type "NAMESPACE"
where nodename is the prefix and nodedata is the uri of the namespace.