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1
6
7 package SOFA.SOFAnet.Repository;
8
9 import java.util.*;
10 import org.w3c.dom.*;
11 import org.xml.sax.SAXException  ;
12 import SOFA.Util.XML;
13 import java.io.Serializable ;
14
15
16
24 public class NodeNameFilter implements Cloneable , Serializable
25 {
26 private List patterns;
27
28
29 public NodeNameFilter()
30 {
31 patterns = new LinkedList();
32 }
33
34 public Object clone()
35 {
36 NodeNameFilter clone = null;
37 try
38 {
39 clone = (NodeNameFilter)super.clone();
40 }
41 catch (CloneNotSupportedException e)
42 {
43 throw new InternalError ();
44 }
45 clone.patterns = Collections.synchronizedList(new LinkedList());
46 clone.patterns.addAll(patterns);
47 return clone;
48 }
49
50 public List getPatterns()
51 {
52 return patterns;
53 }
54
55 public boolean pass(String nodeName)
56 {
57 NodeInfo nodeInfo = new NodeInfo();
58 try
59 {
60 nodeInfo.setNodeName(nodeName);
61 }
62 catch (NodeInfo.InvalidNodeNameException e)
63 {
64 return false;
65 }
66
67 return pass(nodeInfo);
68 }
69
70 public boolean pass(NodeInfo nodeInfo)
71 {
72 Iterator it = patterns.iterator();
73 while (it.hasNext())
74 {
75 String pattern = (String )it.next();
76 try
77 {
78 if (nodeInfo.matchPattern(pattern)) return true;
79 }
80 catch (NodeInfo.InvalidNodeNameException e)
81 {
82 }
83 }
84 return false;
85 }
86
87 public void add(String pattern)
88 {
89 patterns.add(pattern);
90 }
91
92 public void add(NodeNameFilter nodeFilter)
93 {
94 if (nodeFilter != null)
95 {
96 List li = nodeFilter.getPatterns();
97 synchronized (li)
98 {
99 Iterator it = li.iterator();
100 while (it.hasNext())
101 {
102 String pattern = (String )it.next();
103 patterns.add(pattern);
104 }
105 }
106 }
107 }
108
109
118 public void loadFromXML(Element element) throws SAXException
119 {
120 NodeList nl = element.getChildNodes();
121 for (int i = 0; i < nl.getLength(); i++)
122 {
123 Node node = nl.item(i);
124 if (node.getNodeType() == Node.ELEMENT_NODE && node.getNodeName().compareTo("filter") == 0)
125 {
126 Element e = (Element)node;
127 String pattern = e.getAttribute("pattern");
128 if (pattern.length() == 0) throw new SAXException ("Missing 'pattern' attribute in 'filter' tag");
129 patterns.add(pattern);
130 }
131 }
132 }
133
134
137 public void saveToXML(Element element)
138 {
139 Iterator it = patterns.iterator();
140 while (it.hasNext())
141 {
142 String pattern = (String )it.next();
143 XML.newOneAttributeElement(element, "filter", "pattern", pattern);
144 }
145 }
146 }
147 |
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