--- experimental/server/XMLReader/XMLPacketMaker.java	2000/11/14 10:04:01	1.5
+++ experimental/server/XMLReader/XMLPacketMaker.java	2000/11/17 12:16:39	1.11
@@ -3,140 +3,51 @@ import java.util.ArrayList;
 
 import org.xml.sax.*;
 
-import javax.xml.parsers.SAXParserFactory;  
-import javax.xml.parsers.ParserConfigurationException;  
-import javax.xml.parsers.SAXParser;  
+import javax.xml.parsers.SAXParserFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.parsers.SAXParser;
 
+// Paul Mutton, pjm2@ukc.ac.uk
 
+// XMLPacketMaker - Creates an XMLPacket object.
 public class XMLPacketMaker extends HandlerBase {
 
+    // No-args constructor.  Generally not used.
     public XMLPacketMaker () {
-        // default no-args constructor.
+        this.xml = "<packet></packet>";
     }
 
-    // Constructor for accepting a reference to an XMLPacket
-    public XMLPacketMaker (XMLPacket packet) {
-        this.packet = packet;
+    // Constructor for accepting XML input.
+    public XMLPacketMaker (String xml) {
+        this.xml = xml;
     }
 
-    public static void main(String[] args){
-        if (args.length != 1) {
-            System.err.println ("Usage: cmd filename");
-            System.exit (1);
-        }
+    public XMLPacket createXMLPacket() {
 
+        // Create the XMLPacket to store values in.
+        XMLPacket packet = new XMLPacket();
+
         // Use the default (non-validating) parser
         SAXParserFactory factory = SAXParserFactory.newInstance();
         try {
-            // Set up output stream
-            out = new OutputStreamWriter (System.out, "UTF8");
 
-            // Create the XMLPacket to store values in.
-            packet = new XMLPacket();
-
             // Parse the input
             SAXParser saxParser = factory.newSAXParser();
-            saxParser.parse(new File(args[0]), new XMLPacketMaker(packet));
+            saxParser.parse(xml, new XMLPacketParser(packet));
 
-            // Print out some things from the packet: -
-            
+            // Print out the entire contents of the packet's HashMap.
+            System.out.println("XMLPacket contents: -");
+            packet.printAll();
 
-        } catch (Throwable t) {
-            t.printStackTrace ();
         }
-        System.exit (0);
-    }
-
-    static private Writer out;
-    private String indentString = "    "; // Amount to indent
-    private int indentLevel = 0;
-
-    // For storing the tag heirarchy.
-    private ArrayList tagList = new ArrayList();
-    static private XMLPacket packet = null;
-
-    //===========================================================
-    // SAX DocumentHandler methods
-    //===========================================================
-
-    public void startDocument () throws SAXException {
-        nl();
-        nl();
-        emit ("START DOCUMENT");
-        nl();
-        emit ("<?xml version='1.0' encoding='UTF-8'?>");
-    }
-
-    public void endDocument () throws SAXException {
-        nl(); emit ("END DOCUMENT");
-        try {
-            nl();
-            out.flush ();
-        } catch (IOException e) {
-            throw new SAXException ("I/O error", e);
+        catch (Exception e) {
+            System.out.println("XMLPacketMaker - I just received an XML packet that did not contain valid XML.");
+            System.out.println(e);
+            return null;
         }
+        
+        return packet;
     }
-
-    public void startElement (String name, AttributeList attrs) throws SAXException {
-        indentLevel++;
-        tagList.add(name);
-        nl(); emit ("ELEMENT: ");
-        emit ("<"+name);
-        if (attrs != null) {
-            for (int i = 0; i < attrs.getLength (); i++) {
-                nl();
-                emit("   ATTR: ");
-                emit (attrs.getName (i));
-                emit ("\t\"");
-                emit (attrs.getValue (i));
-                emit ("\"");
-            }
-        }
-        if (attrs.getLength() > 0) nl();
-        emit (">");
-    }
-
-    public void endElement (String name) throws SAXException {
-        nl();
-        emit ("END_ELM: ");
-        emit ("</"+name+">");
-        tagList.remove(tagList.size()-1);    
-        indentLevel--;
-    }
-
-    public void characters (char[] buf, int offset, int len) throws SAXException {
-        nl(); emit ("CHARS:   ");
-        String s = new String(buf, offset, len);
-        if (!s.trim().equals("")) {
-            emit (s);
-            packet.addParam((String)tagList.get(tagList.size()-1), s);
-        }
-    }
-
-    //===========================================================
-    // Helpers ...
-    //===========================================================
-
-    // Wrap I/O exceptions in SAX exceptions, to
-    // suit handler signature requirements
-    private void emit (String s) throws SAXException {
-        try {
-            out.write (s);
-            out.flush ();
-        } catch (IOException e) {
-            throw new SAXException ("I/O error", e);
-        }
-    }
-
-    // Start a new line
-    // and indent the next line appropriately
-    private void nl () throws SAXException {
-        String lineEnd =  System.getProperty("line.separator");
-        try {
-            out.write (lineEnd);
-            for (int i=0; i < indentLevel; i++) out.write(indentString);
-        } catch (IOException e) {
-            throw new SAXException ("I/O error", e);
-        }
-    }
+    
+    String xml;
 }
\ No newline at end of file