|
1
|
/**
|
|
2
|
* '$RCSfile$'
|
|
3
|
* Purpose: a class to handle document info request xml strings
|
|
4
|
* Copyright: 2000 Regents of the University of California and the
|
|
5
|
* National Center for Ecological Analysis and Synthesis
|
|
6
|
* Authors: Chad Berkley
|
|
7
|
*
|
|
8
|
* '$Author: berkley $'
|
|
9
|
* '$Date: 2010-07-22 12:32:09 -0700 (Thu, 22 Jul 2010) $'
|
|
10
|
* '$Revision: 5440 $'
|
|
11
|
*
|
|
12
|
* This program is free software; you can redistribute it and/or modify
|
|
13
|
* it under the terms of the GNU General Public License as published by
|
|
14
|
* the Free Software Foundation; either version 2 of the License, or
|
|
15
|
* (at your option) any later version.
|
|
16
|
*
|
|
17
|
* This program is distributed in the hope that it will be useful,
|
|
18
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
19
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
20
|
* GNU General Public License for more details.
|
|
21
|
*
|
|
22
|
* You should have received a copy of the GNU General Public License
|
|
23
|
* along with this program; if not, write to the Free Software
|
|
24
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
25
|
*/
|
|
26
|
|
|
27
|
package edu.ucsb.nceas.metacat;
|
|
28
|
|
|
29
|
import java.util.Stack;
|
|
30
|
import java.util.Vector;
|
|
31
|
import java.util.Hashtable;
|
|
32
|
|
|
33
|
import org.xml.sax.Attributes;
|
|
34
|
import org.xml.sax.SAXException;
|
|
35
|
import org.xml.sax.helpers.DefaultHandler;
|
|
36
|
|
|
37
|
import edu.ucsb.nceas.metacat.accesscontrol.AccessControlInterface;
|
|
38
|
import edu.ucsb.nceas.metacat.accesscontrol.AccessControlList;
|
|
39
|
import edu.ucsb.nceas.metacat.accesscontrol.XMLAccessDAO;
|
|
40
|
|
|
41
|
/**
|
|
42
|
* A Class implementing callback methods for the SAX parser to
|
|
43
|
* call when processing the XML messages from the replication handler
|
|
44
|
*/
|
|
45
|
public class DocInfoHandler extends DefaultHandler {
|
|
46
|
|
|
47
|
private Hashtable<String, String> _docinfo = new Hashtable<String, String>();
|
|
48
|
private String _currentTag = null;
|
|
49
|
private XMLAccessDAO _currentAccessDAO = null;
|
|
50
|
private String _accessPermOrder;
|
|
51
|
private String _docId;
|
|
52
|
private boolean _inPrincipal = false;
|
|
53
|
private boolean _inPermission = false;
|
|
54
|
private boolean _inAllow = false;
|
|
55
|
private boolean _inDeny = false;
|
|
56
|
|
|
57
|
private Vector<XMLAccessDAO> xmlAccessDAOList = new Vector<XMLAccessDAO>();
|
|
58
|
private Stack<XMLAccessDAO> xmlAccessDAOStack = new Stack<XMLAccessDAO>();
|
|
59
|
|
|
60
|
private String chars = "";
|
|
61
|
|
|
62
|
public DocInfoHandler() {
|
|
63
|
}
|
|
64
|
|
|
65
|
public DocInfoHandler(String docId) {
|
|
66
|
_docId = docId;
|
|
67
|
}
|
|
68
|
|
|
69
|
/**
|
|
70
|
* capture the name of the tag.
|
|
71
|
*/
|
|
72
|
public void startElement(String uri, String localName, String qName,
|
|
73
|
Attributes attributes) throws SAXException {
|
|
74
|
chars = "";
|
|
75
|
_currentTag = localName;
|
|
76
|
if (_currentTag.equals("access")) {
|
|
77
|
if (_accessPermOrder == null) {
|
|
78
|
_accessPermOrder = attributes.getValue("order");
|
|
79
|
}
|
|
80
|
} else if (_currentTag.equals(AccessControlInterface.ALLOW)) {
|
|
81
|
_inAllow = true;
|
|
82
|
} else if (_currentTag.equals(AccessControlInterface.DENY)) {
|
|
83
|
_inDeny = true;
|
|
84
|
} else if (_currentTag.equals(AccessControlInterface.PERMISSION)) {
|
|
85
|
_inPermission = true;
|
|
86
|
} else if (_currentTag.equals(AccessControlInterface.PRINCIPAL)) {
|
|
87
|
// new principal means new DAO for storing it
|
|
88
|
_inPrincipal = true;
|
|
89
|
_currentAccessDAO = new XMLAccessDAO();
|
|
90
|
_currentAccessDAO.setDocId(_docId);
|
|
91
|
_currentAccessDAO.setPermOrder(_accessPermOrder);
|
|
92
|
if (_inAllow) {
|
|
93
|
_currentAccessDAO.setPermType(AccessControlInterface.ALLOW);
|
|
94
|
}
|
|
95
|
if (_inDeny) {
|
|
96
|
_currentAccessDAO.setPermType(AccessControlInterface.DENY);
|
|
97
|
}
|
|
98
|
}
|
|
99
|
}
|
|
100
|
|
|
101
|
public void endElement(String uri, String localName, String qName)
|
|
102
|
throws SAXException {
|
|
103
|
|
|
104
|
_docinfo.put(_currentTag, chars);
|
|
105
|
|
|
106
|
if (_currentTag.equals(AccessControlInterface.PRINCIPAL) && _inPrincipal) {
|
|
107
|
if (_currentAccessDAO != null) {
|
|
108
|
_currentAccessDAO.setPrincipalName(chars);
|
|
109
|
}
|
|
110
|
} else if (_currentTag.equals(AccessControlInterface.PERMISSION) && _inPermission) {
|
|
111
|
if (_currentAccessDAO != null) {
|
|
112
|
String permString = chars;
|
|
113
|
Long permLong = Long.valueOf(AccessControlList.intValue(permString));
|
|
114
|
//add this permission for each DAO in the stack
|
|
115
|
for (int i = 0; i < xmlAccessDAOStack.size(); i++) {
|
|
116
|
xmlAccessDAOStack.get(i).addPermission(permLong);
|
|
117
|
}
|
|
118
|
}
|
|
119
|
}
|
|
120
|
|
|
121
|
if (localName.equals(AccessControlInterface.ALLOW)) {
|
|
122
|
_inAllow = false;
|
|
123
|
} else if (localName.equals(AccessControlInterface.DENY)) {
|
|
124
|
_inDeny = false;
|
|
125
|
} else if (_currentTag.equals(AccessControlInterface.PRINCIPAL)) {
|
|
126
|
_inPrincipal = false;
|
|
127
|
xmlAccessDAOStack.push(_currentAccessDAO);
|
|
128
|
} else if (_currentTag.equals(AccessControlInterface.PERMISSION)) {
|
|
129
|
_inPermission = false;
|
|
130
|
}
|
|
131
|
//end of a section for allow/deny
|
|
132
|
if (
|
|
133
|
localName.equals(AccessControlInterface.ALLOW)
|
|
134
|
||
|
|
135
|
localName.equals(AccessControlInterface.DENY)
|
|
136
|
) {
|
|
137
|
//get all the DAOs for this section and add them to the overall list
|
|
138
|
xmlAccessDAOList.addAll(xmlAccessDAOStack);
|
|
139
|
xmlAccessDAOStack.clear();
|
|
140
|
}
|
|
141
|
}
|
|
142
|
|
|
143
|
/**
|
|
144
|
* put the content and the name of the tag into the hashtable. the name of
|
|
145
|
* the tag is the key.
|
|
146
|
*/
|
|
147
|
public void characters(char[] ch, int start, int length) throws SAXException
|
|
148
|
{
|
|
149
|
chars += new String(ch, start, length);
|
|
150
|
}
|
|
151
|
|
|
152
|
public Hashtable<String,String> getDocInfo()
|
|
153
|
{
|
|
154
|
return _docinfo;
|
|
155
|
}
|
|
156
|
|
|
157
|
public Vector<XMLAccessDAO> getAccessControlList() {
|
|
158
|
return xmlAccessDAOList;
|
|
159
|
}
|
|
160
|
}
|