Author: xor
Date: 2009-01-12 19:15:40 +0000 (Mon, 12 Jan 2009)
New Revision: 25029
Removed:
trunk/freenet/src/freenet/support/XMLTree.java
Log:
Revert r25028: Nextgens said that we do not want SAX in the node.
Deleted: trunk/freenet/src/freenet/support/XMLTree.java
===================================================================
--- trunk/freenet/src/freenet/support/XMLTree.java 2009-01-12 19:03:18 UTC
(rev 25028)
+++ trunk/freenet/src/freenet/support/XMLTree.java 2009-01-12 19:15:40 UTC
(rev 25029)
@@ -1,105 +0,0 @@
-package freenet.support;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.EmptyStackException;
-import java.util.Set;
-import java.util.Stack;
-
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.parsers.SAXParserFactory;
-
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-import org.xml.sax.ext.DefaultHandler2;
-
-
-/**
- * A class which parses an input stream as XML and builds a tree structure of
the XML.
- * Use getRoot() to access the tree.
- *
- * FIXME: Also use this class in the WoT plugin XML parsers.
- */
-public class XMLTree extends DefaultHandler2 {
- private final Set<String> mAllowedElementNames;
-
- public XMLTree(Set<String> allowedElementNames, InputStream
inputStream) throws SAXException, IOException, ParserConfigurationException {
- mAllowedElementNames = allowedElementNames;
-
SAXParserFactory.newInstance().newSAXParser().parse(inputStream, this);
- }
-
- public XMLElement getRoot() {
- return rootElement;
- }
-
- public class XMLElement {
- public final String name;
- public final Attributes attrs;
- public String cdata = null;
- public MultiValueTable<String, XMLElement> children = new
MultiValueTable<String, XMLElement>();
-
- public XMLElement(String newName, Attributes newAttributes)
throws Exception {
- name = newName;
- attrs = newAttributes;
-
- if(!mAllowedElementNames.contains(name))
- throw new Exception("Unknown element in
Message: " + name);
- }
- }
-
- private XMLElement rootElement = null;
-
- private final Stack<XMLElement> elements = new Stack<XMLElement>();
-
- @Override
- public void startElement(String nameSpaceURI, String localName, String
qName, Attributes attrs) throws SAXException {
- String name = (qName == null ? localName : qName);
-
- try {
- XMLElement element = new XMLElement(name, attrs);
-
- if(rootElement == null)
- rootElement = element;
-
- try {
- elements.peek().children.put(name, element);
- }
- catch(EmptyStackException e) { }
- elements.push(element);
-
- /* FIXME: A speedup would be to only store CDATA for
elements selected by the creator of the XMLTreeGenerator. */
- /* Alternatively the <Date> and <Time> elements could
be changed to also contain a CDATA tag, then the following
- * line could be removed because all CDATA in the
message XML is also labeled as CDATA. We should ask SomeDude
- * whether FMS can be modified to also do that, we want
to stay compatible to FMS message XML. */
- cdata = new StringBuffer(10 * 1024);
- } catch (Exception e) {
- Logger.error(this, "Parsing error", e);
- }
- }
-
- StringBuffer cdata;
-
- public void beginCDATA() {
- cdata = new StringBuffer(10 * 1024);
- }
-
- public void characters(char[] ch, int start, int length) {
- if(cdata != null)
- cdata.append(ch, start, length);
- }
-
- public void endCDATA() {
- elements.peek().cdata = cdata.toString();
- cdata = null;
- }
-
- @Override
- public void endElement(String uri, String localName, String qName) {
- try {
- XMLElement newElement = elements.pop(); /* This can
fail because we do not push elements with invalid name */
- if(cdata != null)
- newElement.cdata = cdata.toString();
- }
- catch(EmptyStackException e) {}
- cdata = null;
- }
-}
\ No newline at end of file
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