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1 package com.quikj.server.framework;
2
3 import java.util.*;
4
5 import org.w3c.dom.*;
7
8 public class AceTraceInfoMessage implements AceLogMessageInterface
9 {
10 public static final String  ATT_LOG_GROUP = "log_group";
11 public static final String EL_TRACE_INFO = "trace_information";
12 public static final String ATT_TRACE_ID = "id";
13 public static final String EL_TRACE_CONSTRAINT = "trace_constraint";
14 public static final String ATT_CONSTRAINT = "constraint";
15
16 public AceTraceInfoMessage(int group, Hashtable trace_info)
18 {
19 formattedMessage = new StringBuffer ("<?xml version=\"1.0\" encoding=\"us-ascii\"?>"
20 + '\n'
21 + "<"
22 + AceLogMessageParser.TRACE_INFO_MESSAGE
23 + " "
24 + ATT_LOG_GROUP
25 + "=\"" + group + "\">"
26 + '\n');
27
28 Enumeration keys = trace_info.keys();
30 Enumeration constraint_list = trace_info.elements();
31
32 while (keys.hasMoreElements() == true)
33 {
34 int id = ((Integer )(keys.nextElement())).intValue();
35 String [] constraints = (String [])(constraint_list.nextElement());
36
37 formattedMessage.append("<" + EL_TRACE_INFO
38 + " " + ATT_TRACE_ID + "=\"" + id + "\">"
39 + '\n');
40
41 for (int i = 0; i < constraints.length; i++)
42 {
43 formattedMessage.append("<" + EL_TRACE_CONSTRAINT
44 + " " + ATT_CONSTRAINT + "=\"" + constraints[i] + "\"/>"
45 + '\n');
46 }
47
48 formattedMessage.append("</" + EL_TRACE_INFO + ">"
49 + '\n');
50 }
51
52 formattedMessage.append("</"
54 + AceLogMessageParser.TRACE_INFO_MESSAGE
55 + ">"
56 + '\n');
57 }
58
59 public AceTraceInfoMessage(int group_mask, Node node)
61 throws AceException
62 {
63 String group_s = AceXMLHelper.getXMLAttribute(node, ATT_LOG_GROUP);
64
65 int msg_group;
66 try
67 {
68 msg_group = Integer.parseInt(group_s);
69 }
70 catch (NumberFormatException ex)
71 {
72 throw new AceException("The group is not an integer number ("
73 + group_s
74 + ")");
75
76 }
77
78
79 if ((group_mask & msg_group) <= 0) {
81 return;
82 }
83
84 groupMatch = true;
85
86 controlInfo = new Hashtable();
88
89 for (Node trace_info = node.getFirstChild();
90 trace_info != null;
91 trace_info = trace_info.getNextSibling())
92 {
93 if (trace_info.getNodeType() == Node.ELEMENT_NODE)
95 {
96 processTraceElement(trace_info);
97 }
98 }
99 }
100
101 public boolean groupMatch()
102 {
103 return groupMatch;
104 }
105
106 public String messageType()
107 {
108 return AceLogMessageParser.TRACE_INFO_MESSAGE;
109 }
110
111 public Hashtable getTraceInformation()
112 {
113 if (controlInfo == null) return null;
114
115 return controlInfo;
116 }
117
118 public String getFormattedMessage()
119 {
120 if (formattedMessage == null) return null;
121
122 return formattedMessage.toString();
123 }
124
125 private void processTraceElement(Node trace_info)
126 throws AceException
127 {
128 String id_str = AceXMLHelper.processXMLElement(trace_info,
129 EL_TRACE_INFO,
130 ATT_TRACE_ID);
131 if (id_str == null) {
133 throw new AceException("Trace id is missing");
134 }
135
136 int trace_id = 0;
137 try
138 {
139 trace_id = Integer.parseInt(id_str);
140 }
141 catch (NumberFormatException ex1)
142 {
143 throw new AceException("Trace id "
145 + id_str
146 + " is not an integer value");
147 }
148
149 Vector constraints = new Vector();
150 for (Node constraint_info = trace_info.getFirstChild();
151 constraint_info != null;
152 constraint_info = constraint_info.getNextSibling())
153 {
154 if (constraint_info.getNodeType() == Node.ELEMENT_NODE)
155 {
156 String constraint;
157 constraint = processConstraintElement(constraint_info);
158 if (constraint == null)
159 {
160 throw new AceException("Invalid constraint specification");
161 }
162 constraints.addElement(constraint);
163 }
164 }
165
166 String [] cons_list = new String [constraints.size()];
168
169 for (int i = 0; i < cons_list.length; i++)
170 {
171 cons_list[i] = (String )constraints.elementAt(i);
172 }
173
174 controlInfo.put(new Integer (trace_id), cons_list);
175 }
176
177 private String processConstraintElement(Node constraint_info)
178 throws AceException
179 {
180 return AceXMLHelper.processXMLElement(constraint_info,
181 EL_TRACE_CONSTRAINT,
182 ATT_CONSTRAINT);
183 }
184
185 private boolean groupMatch = false;
186 private Hashtable controlInfo = new Hashtable();
187 private StringBuffer formattedMessage = null;
188 }
189
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