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root/i-scream/projects/cms/source/util/uk/org/iscream/cms/util/XMLPacketMaker.java

Comparing projects/cms/source/util/uk/org/iscream/cms/util/XMLPacketMaker.java (file contents):
Revision 1.1 by pjm2, Wed Nov 22 08:40:53 2000 UTC vs.
Revision 1.16 by tdb, Tue May 29 17:02:35 2001 UTC

#	Line 1 | Line 1
1	<	import java.io.*;
2	<	import java.util.ArrayList;
1	>	//---PACKAGE DECLARATION---
2	>	package uk.org.iscream.cms.server.util;
3
4	+	//---IMPORTS---
5	+	import java.io.*;
6		import org.xml.sax.*;
7	+	import javax.xml.parsers.*;
8
9	<	import javax.xml.parsers.SAXParserFactory;
10	<	import javax.xml.parsers.ParserConfigurationException;
11	<	import javax.xml.parsers.SAXParser;
9	>	/**
10	>	* XMLPacketMaker - Creates an XMLPacket object.
11	>	*
12	>	* @author  $Author$
13	>	* @version $Id$
14	>	*/
15	>	public class XMLPacketMaker {
16
17	<	// Paul Mutton, pjm2@ukc.ac.uk
17	>	//---FINAL ATTRIBUTES---
18
19	<	// XMLPacketMaker - Creates an XMLPacket object.
20	<	public class XMLPacketMaker extends HandlerBase {
19	>	/**
20	>	* The current CVS revision of this class
21	>	*/
22	>	public final String REVISION = "$Revision$";
23
24	<	// No-args constructor.  Generally not used.
25	<	public XMLPacketMaker () {
26	<	this.xml = "<packet></packet>";
27	<	}
24	>	/**
25	>	* A reference to the system saxParser factory
26	>	*/
27	>	private final SAXParserFactory _factory = SAXParserFactory.newInstance();
28	>
29	>	//---STATIC METHODS---
30
31	<	// Constructor for accepting XML input.
21	<	public XMLPacketMaker (String xml) {
22	<	this.xml = xml;
23	<	}
31	>	//---CONSTRUCTORS---
32
33	<	public XMLPacket createXMLPacket() {
33	>	//---PUBLIC METHODS---
34
35	+	/**
36	+	* Method to create an XML packet from the data this
37	+	* class was constructed with.
38	+	*
39	+	* @param xml the XML String to parse
40	+	* @return an XMLPacket representing the XML String given
41	+	* @throws InvalidXMLException if the XML cannot be parsed
42	+	*/
43	+	public XMLPacket createXMLPacket(String xml) throws InvalidXMLException {
44	+
45		// Create the XMLPacket to store values in.
46		XMLPacket packet = new XMLPacket();
47	<
30	<	// Use the default (non-validating) parser
31	<	SAXParserFactory factory = SAXParserFactory.newInstance();
47	>
48		try {
33	–
49		// Parse the input
50		InputSource inputSource = new InputSource(new StringReader(xml));
51	<	SAXParser saxParser = factory.newSAXParser();
37	<	saxParser.parse(inputSource, new XMLStringParser(packet));
38	<
51	>	_factory.newSAXParser().parse(inputSource, new XMLStringParser(packet));
52		}
53		catch (Exception e) {
54	<	System.out.println("XMLPacketMaker - I just received an XML packet that did not contain valid XML.");
55	<	//t.printStackTrace();
43	<	return null;
54	>	// couldn't parse the XML for some reason
55	>	throw new InvalidXMLException("Could not parse the XML: "+xml);
56		}
57
58	+	// parsed successfully, return the packet
59		return packet;
60		}
61	+
62	+	/**
63	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
64	+	* method to provide clean logging (every class should have this).
65	+	*
66	+	* This uses the uk.org.iscream.cms.server.util.NameFormat class
67	+	* to format the toString()
68	+	*
69	+	* @return the name of this class and its CVS revision
70	+	*/
71	+	public String toString() {
72	+	return FormatName.getName(
73	+	_name,
74	+	getClass().getName(),
75	+	REVISION);
76	+	}
77	+
78	+	//---PRIVATE METHODS---
79	+
80	+	//---ACCESSOR/MUTATOR METHODS---
81	+
82	+	//---ATTRIBUTES---
83
84	<	String xml;
85	<	}
84	>	/**
85	>	* This is the friendly identifier of the
86	>	* component this class is running in.
87	>	* eg, a Filter may be called "filter1",
88	>	* If this class does not have an owning
89	>	* component,  a name from the configuration
90	>	* can be placed here.  This name could also
91	>	* be changed to null for utility classes.
92	>	*/
93	>	private String _name = null;
94	>
95	>	//---STATIC ATTRIBUTES---
96	>
97	>	}

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