| 1 |
//---PACKAGE DECLARATION--- |
| 2 |
package uk.ac.ukc.iscream.xml; |
| 3 |
|
| 4 |
//---IMPORTS--- |
| 5 |
import java.io.*; |
| 6 |
import java.util.ArrayList; |
| 7 |
|
| 8 |
import org.xml.sax.*; |
| 9 |
import javax.xml.parsers.SAXParserFactory; |
| 10 |
import javax.xml.parsers.ParserConfigurationException; |
| 11 |
import javax.xml.parsers.SAXParser; |
| 12 |
|
| 13 |
import uk.ac.ukc.iscream.core.*; |
| 14 |
|
| 15 |
/** |
| 16 |
* XMLPacketMaker - Creates an XMLPacket object. |
| 17 |
* |
| 18 |
* @author $Author$ |
| 19 |
* @version $Id$ |
| 20 |
*/ |
| 21 |
public class XMLPacketMaker extends HandlerBase { |
| 22 |
|
| 23 |
//---FINAL ATTRIBUTES--- |
| 24 |
|
| 25 |
/** |
| 26 |
* The current CVS revision of this class |
| 27 |
*/ |
| 28 |
public final String REVISION = "$Revision: 1.1 $"; |
| 29 |
|
| 30 |
//---STATIC METHODS--- |
| 31 |
|
| 32 |
//---CONSTRUCTORS--- |
| 33 |
|
| 34 |
// Constructor for accepting XML input. |
| 35 |
public XMLPacketMaker (String xml, Logger logger) { |
| 36 |
this.xml = xml; |
| 37 |
this.logger = logger; |
| 38 |
} |
| 39 |
|
| 40 |
//---PUBLIC METHODS--- |
| 41 |
|
| 42 |
public XMLPacket createXMLPacket() { |
| 43 |
|
| 44 |
// Create the XMLPacket to store values in. |
| 45 |
XMLPacket packet = new XMLPacket(); |
| 46 |
|
| 47 |
// Use the default (non-validating) parser |
| 48 |
SAXParserFactory factory = SAXParserFactory.newInstance(); |
| 49 |
try { |
| 50 |
|
| 51 |
// Parse the input |
| 52 |
InputSource inputSource = new InputSource(new StringReader(xml)); |
| 53 |
SAXParser saxParser = factory.newSAXParser(); |
| 54 |
saxParser.parse(inputSource, new XMLStringParser(packet)); |
| 55 |
|
| 56 |
} |
| 57 |
catch (Exception e) { |
| 58 |
logger.write(this.toString(), Logger.WARNING, "An invalid XML UDP packet has been detected: "+packet.printAll()); |
| 59 |
//t.printStackTrace(); |
| 60 |
return null; |
| 61 |
} |
| 62 |
|
| 63 |
return packet; |
| 64 |
} |
| 65 |
|
| 66 |
/** |
| 67 |
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 68 |
* method to provide clean logging (every class should have this). |
| 69 |
* |
| 70 |
* @return the name of this class and its CVS revision |
| 71 |
*/ |
| 72 |
public String toString() { |
| 73 |
return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
| 74 |
} |
| 75 |
|
| 76 |
//---PRIVATE METHODS--- |
| 77 |
|
| 78 |
//---ACCESSOR/MUTATOR METHODS--- |
| 79 |
|
| 80 |
//---ATTRIBUTES--- |
| 81 |
|
| 82 |
String xml; |
| 83 |
Logger logger; |
| 84 |
|
| 85 |
//---STATIC ATTRIBUTES--- |
| 86 |
|
| 87 |
} |
