| 1 |
+ |
/* |
| 2 |
+ |
* i-scream central monitoring system |
| 3 |
+ |
* Copyright (C) 2000-2002 i-scream |
| 4 |
+ |
* |
| 5 |
+ |
* This program is free software; you can redistribute it and/or |
| 6 |
+ |
* modify it under the terms of the GNU General Public License |
| 7 |
+ |
* as published by the Free Software Foundation; either version 2 |
| 8 |
+ |
* of the License, or (at your option) any later version. |
| 9 |
+ |
* |
| 10 |
+ |
* This program is distributed in the hope that it will be useful, |
| 11 |
+ |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 |
+ |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 |
+ |
* GNU General Public License for more details. |
| 14 |
+ |
* |
| 15 |
+ |
* You should have received a copy of the GNU General Public License |
| 16 |
+ |
* along with this program; if not, write to the Free Software |
| 17 |
+ |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 |
+ |
*/ |
| 19 |
+ |
|
| 20 |
|
//---PACKAGE DECLARATION--- |
| 21 |
< |
package uk.ac.ukc.iscream.util; |
| 21 |
> |
package uk.org.iscream.cms.server.util; |
| 22 |
|
|
| 23 |
|
//---IMPORTS--- |
| 24 |
|
import java.io.*; |
| 25 |
< |
import java.util.ArrayList; |
| 26 |
< |
|
| 25 |
> |
import java.util.LinkedList; |
| 26 |
> |
import java.util.Iterator; |
| 27 |
|
import org.xml.sax.*; |
| 28 |
< |
import javax.xml.parsers.SAXParserFactory; |
| 29 |
< |
import javax.xml.parsers.ParserConfigurationException; |
| 11 |
< |
import javax.xml.parsers.SAXParser; |
| 28 |
> |
import org.xml.sax.helpers.*; |
| 29 |
> |
import javax.xml.parsers.*; |
| 30 |
|
|
| 31 |
|
/** |
| 32 |
|
* XMLStringParser - Used to assist in creating XMLPacket objects. |
| 34 |
|
* @author $Author$ |
| 35 |
|
* @version $Id$ |
| 36 |
|
*/ |
| 37 |
< |
public class XMLStringParser extends HandlerBase { |
| 37 |
> |
public class XMLStringParser extends DefaultHandler { |
| 38 |
|
|
| 39 |
|
//---FINAL ATTRIBUTES--- |
| 40 |
|
|
| 51 |
|
* No-args constructor. Generally not used. |
| 52 |
|
*/ |
| 53 |
|
public XMLStringParser () { |
| 54 |
< |
this.packet = new XMLPacket(); |
| 54 |
> |
_packet = new XMLPacket(); |
| 55 |
|
} |
| 56 |
|
|
| 57 |
|
/** |
| 58 |
|
* Constructor for accepting a reference to an XMLPacket |
| 59 |
|
*/ |
| 60 |
|
public XMLStringParser (XMLPacket packet) { |
| 61 |
< |
this.packet = packet; |
| 61 |
> |
_packet = packet; |
| 62 |
|
} |
| 63 |
|
|
| 64 |
|
//---PUBLIC METHODS--- |
| 65 |
|
|
| 48 |
– |
/** |
| 49 |
– |
* Accessor to the XMLPacket. |
| 50 |
– |
*/ |
| 51 |
– |
public XMLPacket getXMLPacket() { |
| 52 |
– |
return packet; |
| 53 |
– |
} |
| 54 |
– |
|
| 66 |
|
//=========================================================== |
| 67 |
|
// SAX DocumentHandler methods |
| 68 |
|
//=========================================================== |
| 69 |
|
|
| 70 |
< |
public void startDocument () throws SAXException { |
| 71 |
< |
//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."); |
| 65 |
< |
} |
| 66 |
< |
|
| 67 |
< |
/** Add each tag's attribute to the XMLPacket. |
| 70 |
> |
/** |
| 71 |
> |
* Add each tag's attribute to the XMLPacket. |
| 72 |
|
* Note that all attributes within an opening tag are |
| 73 |
|
* stored as "someroot.sometag.attributes.attribute_name" |
| 74 |
|
* E.g. If <packet> is the root node, then: |
| 77 |
|
* "packet.attributes.machine_name" |
| 78 |
|
* within the XMLPacket. |
| 79 |
|
*/ |
| 80 |
< |
public void startElement (String name, AttributeList attrs) throws SAXException { |
| 81 |
< |
indentLevel++; |
| 82 |
< |
tagList.add(name); |
| 83 |
< |
if (attrs != null) { |
| 84 |
< |
for (int i = 0; i < attrs.getLength (); i++) { |
| 81 |
< |
packet.addParam(getPath()+".attributes."+attrs.getName(i), attrs.getValue(i)); |
| 80 |
> |
public void startElement (String uri, String name, String qName, Attributes atts) { |
| 81 |
> |
_tagList.addLast(qName); |
| 82 |
> |
if (atts != null) { |
| 83 |
> |
for (int i = 0; i < atts.getLength (); i++) { |
| 84 |
> |
_packet.addParam(getPath()+".attributes."+atts.getQName(i), atts.getValue(i)); |
| 85 |
|
} |
| 86 |
|
} |
| 87 |
|
} |
| 88 |
< |
|
| 88 |
> |
|
| 89 |
|
/** |
| 90 |
|
* When an XML element is finished with, we must remove |
| 91 |
|
* the tag name from the tagList and decrement the indent |
| 92 |
|
* level. |
| 93 |
|
*/ |
| 94 |
< |
public void endElement (String name) throws SAXException { |
| 95 |
< |
tagList.remove(tagList.size()-1); |
| 93 |
< |
indentLevel--; |
| 94 |
> |
public void endElement (String uri, String name, String qName) { |
| 95 |
> |
_tagList.removeLast(); |
| 96 |
|
} |
| 97 |
< |
|
| 97 |
> |
|
| 98 |
|
/** |
| 99 |
|
* Any text falling within a pair of terminal tags must |
| 100 |
|
* be added to the XMLPacket. Trim leading and trailing |
| 103 |
|
*/ |
| 104 |
|
public void characters (char[] buf, int offset, int len) throws SAXException { |
| 105 |
|
String s = new String(buf, offset, len); |
| 106 |
< |
if (!s.trim().equals("")) { |
| 105 |
< |
packet.addParam(getPath(), s); |
| 106 |
< |
} |
| 106 |
> |
_packet.addParam(getPath(), s); |
| 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 |
| 113 |
> |
* This uses the uk.org.iscream.cms.server.util.NameFormat class |
| 114 |
|
* to format the toString() |
| 115 |
|
* |
| 116 |
|
* @return the name of this class and its CVS revision |
| 133 |
|
* in the XMLPacket. |
| 134 |
|
*/ |
| 135 |
|
private String getPath () { |
| 136 |
< |
String path = (String)tagList.get(0); |
| 137 |
< |
if (tagList.size() > 0) { |
| 138 |
< |
for (int i = 1 ; i < tagList.size() ; i++) { |
| 139 |
< |
path = path + "." + (String)tagList.get(i); |
| 136 |
> |
String path = ""; |
| 137 |
> |
if (_tagList.size() > 0) { |
| 138 |
> |
Iterator i = _tagList.iterator(); |
| 139 |
> |
path = (String) i.next(); |
| 140 |
> |
while(i.hasNext()) { |
| 141 |
> |
path = path + "." + (String) i.next(); |
| 142 |
|
} |
| 143 |
|
} |
| 144 |
|
return path; |
| 146 |
|
|
| 147 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 148 |
|
|
| 149 |
< |
//---ATTRIBUTES--- |
| 149 |
> |
/** |
| 150 |
> |
* Accessor to the XMLPacket. |
| 151 |
> |
*/ |
| 152 |
> |
public XMLPacket getXMLPacket() { |
| 153 |
> |
return _packet; |
| 154 |
> |
} |
| 155 |
|
|
| 156 |
< |
private int indentLevel = 0; |
| 157 |
< |
private ArrayList tagList = new ArrayList(); |
| 158 |
< |
private XMLPacket packet; |
| 156 |
> |
//---ATTRIBUTES--- |
| 157 |
> |
|
| 158 |
> |
/** |
| 159 |
> |
* A LinkedList of tags |
| 160 |
> |
*/ |
| 161 |
> |
private LinkedList _tagList = new LinkedList(); |
| 162 |
> |
|
| 163 |
> |
/** |
| 164 |
> |
* A reference to the XMLPacket we are making |
| 165 |
> |
*/ |
| 166 |
> |
private XMLPacket _packet; |
| 167 |
|
|
| 168 |
|
/** |
| 169 |
|
* This is the friendly identifier of the |
