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

Comparing projects/cms/source/util/uk/org/iscream/cms/util/XMLStringParser.java (file contents):
Revision 1.1 by pjm2, Wed Nov 22 08:40:53 2000 UTC vs.
Revision 1.5 by ajm, Tue Dec 12 20:44:30 2000 UTC

#	Line 1 | Line 1
1	+	//---PACKAGE DECLARATION---
2	+	package uk.ac.ukc.iscream.util;
3	+
4	+	//---IMPORTS---
5		import java.io.*;
6		import java.util.ArrayList;
7
8		import org.xml.sax.*;
5	–
9		import javax.xml.parsers.SAXParserFactory;
10		import javax.xml.parsers.ParserConfigurationException;
11		import javax.xml.parsers.SAXParser;
12
13	<	// Paul Mutton, pjm2@ukc.ac.uk
14	<
15	<	// XMLStringParser - Used to assist in creating XMLPacket objects.
13	>	/**
14	>	* XMLStringParser - Used to assist in creating XMLPacket objects.
15	>	*
16	>	* @author  $Author$
17	>	* @version $Id$
18	>	*/
19		public class XMLStringParser extends HandlerBase {
20
21	<	// No-args constructor.  Generally not used.
21	>	//---FINAL ATTRIBUTES---
22	>
23	>	/**
24	>	* The current CVS revision of this class
25	>	*/
26	>	public final String REVISION = "$Revision$";
27	>
28	>	//---STATIC METHODS---
29	>
30	>	//---CONSTRUCTORS---
31	>
32	>	/**
33	>	* No-args constructor.  Generally not used.
34	>	*/
35		public XMLStringParser () {
36		this.packet = new XMLPacket();
37		}
38
39	<	// Constructor for accepting a reference to an XMLPacket
39	>	/**
40	>	* Constructor for accepting a reference to an XMLPacket
41	>	*/
42		public XMLStringParser (XMLPacket packet) {
43		this.packet = packet;
44		}
45
46	<	// Accessor to the XMLPacket.
46	>	//---PUBLIC METHODS---
47	>
48	>	/**
49	>	* Accessor to the XMLPacket.
50	>	*/
51		public XMLPacket getXMLPacket() {
52		return packet;
53		}
54
30	–	private int indentLevel = 0;
31	–	private ArrayList tagList = new ArrayList();
32	–	private XMLPacket packet;
33	–
55		//===========================================================
56		// SAX DocumentHandler methods
57		//===========================================================
58
59		public void startDocument () throws SAXException {
60	<	System.out.println("XMLPacketParser - Starting parse process...");
60	>	//System.out.println("XMLPacketParser - Starting parse process...");
61		}
62
63		public void endDocument () throws SAXException {
64	<	System.out.println("XMLPacketParser - I just finished parsing an XML String.");
64	>	//System.out.println("XMLPacketParser - I just finished parsing an XML String.");
65		}
66
67	<	// Add each tag's attribute to the XMLPacket.
68	<	// Note that all attributes within an opening tag are
69	<	// stored as "someroot.sometag.attributes.attribute_name"
70	<	// E.g. If <packet> is the root node, then:
71	<	//     <packet machine_name="raptor">
72	<	// is stored as:
73	<	//     "packet.attributes.machine_name"
74	<	// within the XMLPacket.
67	>	/** Add each tag's attribute to the XMLPacket.
68	>	* Note that all attributes within an opening tag are
69	>	* stored as "someroot.sometag.attributes.attribute_name"
70	>	* E.g. If <packet> is the root node, then:
71	>	*     <packet machine_name="raptor">
72	>	* is stored as:
73	>	*     "packet.attributes.machine_name"
74	>	* within the XMLPacket.
75	>	*/
76		public void startElement (String name, AttributeList attrs) throws SAXException {
77		indentLevel++;
78		tagList.add(name);
#	Line 61 | Line 83 | public class XMLStringParser extends HandlerBase {
83		}
84		}
85
86	<	// When an XML element is finished with, we must remove
87	<	// the tag name from the tagList and decrement the indent
88	<	// level.
86	>	/**
87	>	* When an XML element is finished with, we must remove
88	>	* the tag name from the tagList and decrement the indent
89	>	* level.
90	>	*/
91		public void endElement (String name) throws SAXException {
92		tagList.remove(tagList.size()-1);
93		indentLevel--;
94		}
95
96	<	// Any text falling within a pair of terminal tags must
97	<	// be added to the XMLPacket.  Trim leading and trailing
98	<	// spaces and do not bother to add if there is no data
99	<	// specified within the tags.
96	>	/**
97	>	* Any text falling within a pair of terminal tags must
98	>	* be added to the XMLPacket.  Trim leading and trailing
99	>	* spaces and do not bother to add if there is no data
100	>	* specified within the tags.
101	>	*/
102		public void characters (char[] buf, int offset, int len) throws SAXException {
103		String s = new String(buf, offset, len);
104		if (!s.trim().equals("")) {
#	Line 80 | Line 106 | public class XMLStringParser extends HandlerBase {
106		}
107		}
108
109	+	/**
110	+	* Overrides the {@link java.lang.Object#toString() Object.toString()}
111	+	* method to provide clean logging (every class should have this).
112	+	*
113	+	* This uses the uk.ac.ukc.iscream.util.NameFormat class
114	+	* to format the toString()
115	+	*
116	+	* @return the name of this class and its CVS revision
117	+	*/
118	+	public String toString() {
119	+	return FormatName.getName(
120	+	_name,
121	+	getClass().getName(),
122	+	REVISION);
123	+	}
124
125	+	//---PRIVATE METHODS---
126	+
127		//===========================================================
128		// Helpers ...
129		//===========================================================
130
131	<
132	<	// Return the heirarchical string to be used as a key value
133	<	// in the XMLPacket.
131	>	/**
132	>	* Return the heirarchical string to be used as a key value
133	>	* in the XMLPacket.
134	>	*/
135		private String getPath () {
136		String path = (String)tagList.get(0);
137		if (tagList.size() > 0) {
#	Line 97 | Line 141 | public class XMLStringParser extends HandlerBase {
141		}
142		return path;
143		}
144	+
145	+	//---ACCESSOR/MUTATOR METHODS---
146	+
147	+	//---ATTRIBUTES---
148	+
149	+	private int indentLevel = 0;
150	+	private ArrayList tagList = new ArrayList();
151	+	private XMLPacket packet;
152
153	<	}
153	>	/**
154	>	* This is the friendly identifier of the
155	>	* component this class is running in.
156	>	* eg, a Filter may be called "filter1",
157	>	* If this class does not have an owning
158	>	* component,  a name from the configuration
159	>	* can be placed here.  This name could also
160	>	* be changed to null for utility classes.
161	>	*/
162	>	private String _name = null;
163	>
164	>	//---STATIC ATTRIBUTES---
165	>
166	>	}

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