add ParserRDF

flowcomposer/src/fr/fluxmedia/flowcomposer/ParserRDF.java

+/*
+* Created by IntelliJ IDEA.
+* User: administrateur
+* Date: 22 mai 2002
+* Time: 15:49:04
+* To change template for new class use
+* Code Style | Class Templates options (Tools | IDE Options).
+*/
+package fr.fluxmedia.flowcomposer;
+
+// Imported SAX Classes
+
+import org.xml.sax.Attributes;
+import org.xml.sax.helpers.DefaultHandler;
+import org.xml.sax.SAXException ;
+import org.xml.sax.SAXParseException;
+import org.xml.sax.helpers.XMLFilterImpl;
+
+//Imported JAVA Classes
+import java.util.*;
+import java.io.*;
+import java.util.Stack ;
+
+public class ParserRDF extends DefaultHandler {
+
+    /** The XML Parser class */
+    private static final String
+            DEFAULT_PARSER_NAME = "org.apache.xerces.parsers.SAXParser";
+
+    private static final int DEFAULT=0;
+    private static final int COLOR=1;
+    private static final int X=2;
+    private static final int Y=3;
+    private int mode = DEFAULT;
+    public Vector process = new Vector();
+
+    /** XML Parser */
+    javax.xml.parsers.SAXParser iParser = null;
+
+
+
+
+
+    /*------------------------------------------ CONSTRUCTOR -----------------------------*/
+
+    /** The constructor, build the XML Parser but not parse the document */
+    public ParserRDF() {
+        try {
+
+            javax.xml.parsers.SAXParserFactory iParserFactory = javax.xml.parsers.SAXParserFactory.newInstance();
+            iParserFactory.setValidating(false);          // no DTD for RDF and annotations so far
+            iParserFactory.setNamespaceAware(true);
+            iParser = iParserFactory.newSAXParser();
+
+        }  catch (javax.xml.parsers.ParserConfigurationException CNFE) {
+            System.out.println("FMParser :Error [" + CNFE +"]");
+        }  catch (org.xml.sax.SAXException SaxE) {
+            System.out.println("FMParser :Error [" + SaxE +"]");
+        }
+    }
+
+    /*------------------------------------------- END CONSTRUCTOR ------------------------*/
+
+    /** Parse the document given in parameter */
+    public void newParse(String uri) {
+        try {
+            iParser.parse(uri,this);
+        } catch (SAXException SE) {
+            System.err.println("[FMParser]Erreur SAX(" + SE+")");
+            System.err.println("[FMParser]Erreur SAX(" + SE.getMessage()+")");
+            System.err.println("[FMParser]Erreur SAX(" + SE.getException()+")");
+            SE.printStackTrace();
+        } catch (java.io.IOException IOE) {
+            System.err.println("[FMParser]Erreur IO(" + IOE+")");
+        }
+
+    }
+
+    /** Call by the XML parser at the begining of an element */
+    public final void startElement(String namespaceURI, String localName, String qname, Attributes atts) {
+
+        if (namespaceURI.equals("http://www.w3.org/1999/02/22-rdf-syntax-ns")) {
+            //System.out.println(localName);
+            if (localName.equals("Description")) {
+                mode = DEFAULT;
+                process.add(atts.getValue("about"));
+            }
+        }
+        else if (localName.equals("color"))
+                {mode = COLOR;}
+        else if (localName.equals("x"))
+                {mode = X;}
+        else if (localName.equals("y"))
+                {mode = Y;}
+
+    }
+
+    /** Call by the XML parser at the end of an element */
+    public final void endElement(String namespaceURI,String pName, String qName ) {
+        if ((pName.equals("color"))||(pName.equals("x"))||(pName.equals("y")))
+                {mode = DEFAULT;}
+
+    }
+
+    /* The content of the tags */
+    /* No content in Transmorpher so far but in XSLT code */
+
+    public void characters(char ch[], int start, int length) {
+
+        String content = "";
+        int end = start + length;
+        //System.out.println(mode);
+        for( int i = start; i < end ; i++ ) {content = content + ch[i];}
+        if (mode==COLOR)
+            process.add(content);
+        else if (mode==X)
+            process.add(content);
+        else if (mode==Y)
+            process.add(content);
+    }
+
+    public void print() {
+        for (Enumeration e = process.elements() ; e.hasMoreElements() ;) {
+                 System.out.println(e.nextElement());
+             }
+    }
+
+
+    public void warning(SAXParseException exception)
+            throws SAXException
+    {
+        System.err.println("warning");
+    }
+
+
+    public void error(SAXParseException ex)
+    {
+        System.err.print("Error!! ");
+        System.err.println(ex);
+        System.err.println(ex.getLineNumber());
+    }
+
+
+    public void fatalError(SAXParseException ex) throws SAXException
+    {
+        System.err.print("Fatal Error!! ");
+        System.err.println(ex);
+    }
+}
+
+
+
+
+
+
+