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import org.xml.sax.*; |
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import javax.xml.parsers.SAXParserFactory; |
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import javax.xml.parsers.ParserConfigurationException; |
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import javax.xml.parsers.SAXParser; |
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import javax.xml.parsers.SAXParserFactory; |
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import javax.xml.parsers.ParserConfigurationException; |
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import javax.xml.parsers.SAXParser; |
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// Paul Mutton, pjm2@ukc.ac.uk |
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// XMLPacketMaker - Creates an XMLPacket object. |
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public class XMLPacketMaker extends HandlerBase { |
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public XMLPacketMaker () { |
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// default no-args constructor. |
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} |
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// Constructor for accepting a reference to an XMLPacket |
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public XMLPacketMaker (XMLPacket packet) { |
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this.packet = packet; |
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} |
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public static void main(String[] args){ |
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if (args.length != 1) { |
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System.err.println ("Usage: cmd filename"); |
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// Set up output stream |
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out = new OutputStreamWriter (System.out, "UTF8"); |
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// Create the XMLPacket to store values in. |
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packet = new XMLPacket(); |
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// Parse the input |
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SAXParser saxParser = factory.newSAXParser(); |
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saxParser.parse(new File(args[0]), new XMLPacketMaker()); |
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saxParser.parse(new File(args[0]), new XMLPacketMaker(packet)); |
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// By means of example, print out some things from the packet: - |
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System.out.println("bung.wibble="+packet.getParam("bung.wibble")); |
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System.out.println("bung.ping.value1="+packet.getParam("bung.ping.value1")); |
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// Print out the entire contents of the packet. |
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packet.printAll(); |
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} catch (Throwable t) { |
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t.printStackTrace (); |
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} |
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// For storing the tag heirarchy. |
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private ArrayList tagList = new ArrayList(); |
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static private XMLPacket packet = null; |
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//=========================================================== |
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// SAX DocumentHandler methods |
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public void startElement (String name, AttributeList attrs) throws SAXException { |
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indentLevel++; |
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tagList.add(name); |
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nl(); emit ("ELEMENT: "); |
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emit ("<"+name); |
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if (attrs != null) { |
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nl(); |
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emit ("END_ELM: "); |
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emit ("</"+name+">"); |
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tagList.remove(tagList.size()-1); |
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indentLevel--; |
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} |
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public void characters (char[] buf, int offset, int len) throws SAXException { |
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nl(); emit ("CHARS: "); |
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String s = new String(buf, offset, len); |
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if (!s.trim().equals("")) emit (s); |
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if (!s.trim().equals("")) { |
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emit (s); |
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packet.addParam(getPath(), s); |
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} |
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} |
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//=========================================================== |
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} catch (IOException e) { |
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throw new SAXException ("I/O error", e); |
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} |
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} |
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// Return the heirarchical string to be used as a key value |
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// in the XMLPacket. |
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private String getPath () { |
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String path = (String)tagList.get(0); |
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if (tagList.size() > 0) { |
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for (int i = 1 ; i < tagList.size() ; i++) { |
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path = path + "." + (String)tagList.get(i); |
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} |
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} |
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return path; |
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} |
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} |
