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24 package org.objectweb.jalisto.se.impl.trace;
25
26 import java.text.MessageFormat  ;
27 import java.util.*;
28
29 public abstract class TraceImpl extends Trace {
30 public TraceImpl(TraceContext context) {
31 this.context = context;
32 this.enabledModules = Collections.EMPTY_SET;
33 this.isShowThread = false;
34 this.maxModuleSize = 3;
35 }
36
37 public boolean isEnabled(Trace.Module component) {
38 return context.isTracing(component);
39 }
40
41 public boolean isShowThread() {
42 return isShowThread;
43 }
44
45 public void enableShowThread() {
46 isShowThread = true;
47 }
48
49 public void enableTrace(boolean enable) {
50 this.enabled = enable;
51 }
52
53 public Set enabledModules() {
54 return enabledModules;
55 }
56
57 protected void setEnabledModules(Set set) {
58 enabledModules = set;
59 }
60
61
62 public void init(Iterator traceModuleNames) {
63 this.mask = new BitSet();
64 TRACE_ON.putInMask(mask);
65
66 Set resolvedModules = new HashSet();
67 Set unresolvedModuleNames = new HashSet();
68 getModules(traceModuleNames, resolvedModules, unresolvedModuleNames);
69 this.enabledModules = resolvedModules;
70
71 if (!resolvedModules.isEmpty()) {
72 for (Iterator iterator = resolvedModules.iterator(); iterator.hasNext();) {
73 Module module = (Module) iterator.next();
74 module.putInMask(mask);
75 maxModuleSize = Math.max(maxModuleSize, module.getName().length() + 2);
76 }
77 println(TRACE_ON, "TRACE ENABLED");
78 println(TRACE_ON, "the module(s) {0} has/have been enabled", resolvedModules);
79 }
80
81 if (!unresolvedModuleNames.isEmpty()) {
82 println(TRACE_ON, "the specified module(s) {0} is/are not valid", unresolvedModuleNames);
83 }
84 }
85
86 public synchronized void println(Module component, String message) {
87 if ((!enabled) || (!component.isInMask(mask))) {
88 return;
89 }
90 print(component, message);
91 }
92
93 public synchronized void println(Module component, String message, Object parameter1) {
94 if ((!enabled) || (!component.isInMask(mask))) {
95 return;
96 }
97 args1[0] = parameter1;
98 printFormatted(component, message, args1);
99 }
100
101 public synchronized void println(Module component, String message, Object parameter1, Object parameter2) {
102 if ((!enabled) || (!component.isInMask(mask))) {
103 return;
104 }
105 args2[0] = parameter1;
106 args2[1] = parameter2;
107 printFormatted(component, message, args2);
108 }
109
110 public synchronized void println(Module component, String message,
111 Object parameter1, Object parameter2,
112 Object parameter3) {
113 if ((!enabled) || (!component.isInMask(mask))) {
114 return;
115 }
116 args3[0] = parameter1;
117 args3[1] = parameter2;
118 args3[2] = parameter3;
119 printFormatted(component, message, args3);
120 }
121
122 public synchronized void println(Module component, String message, Object [] parameters) {
123 if ((!enabled) || (!component.isInMask(mask))) {
124 return;
125 }
126 printFormatted(component, message, parameters);
127 }
128
129 protected String pad(Trace.Module module) {
130 return rightPad(module.toString(), maxModuleSize, " ");
131 }
132
133 protected void printFormatted(Trace.Module module, String message, Object [] args) {
134 String formatedMessage = MessageFormat.format(message, args);
135 print(module, formatedMessage);
136 }
137
138 public String toString() {
139 return getTraceType() + " " + enabledModules();
140 }
141
142 private static void getModules(Iterator moduleNames, Set resolvedModules, Set unresolvedModuleNames) {
143 while (moduleNames.hasNext()) {
144 String moduleName = ((String ) moduleNames.next()).toUpperCase();
145 Module module = (Module) MODULE_REPOSITORY.get(moduleName);
146 if (module == null) {
147 unresolvedModuleNames.add(moduleName);
148 } else {
149 resolvedModules.add(module);
150 }
151 }
152 }
153
154 private static String rightPad(String str, int size, String delim) {
155 size = (size - str.length()) / delim.length();
156 if (size > 0) {
157 str += repeat(delim, size);
158 }
159 return str;
160 }
161
162 private static String repeat(String str, int repeat) {
163 StringBuffer buffer = new StringBuffer (repeat * str.length());
164 for (int i = 0; i < repeat; i++) {
165 buffer.append(str);
166 }
167 return buffer.toString();
168 }
169
170 protected abstract String getTraceType();
171
172 protected abstract void print(Module module, String message);
173
174 private BitSet mask;
175 private TraceContext context;
176 private Set enabledModules;
177 private Object [] args1 = new Object [1];
178 private Object [] args2 = new Object [2];
179 private Object [] args3 = new Object [3];
180 private boolean isShowThread;
181 private int maxModuleSize;
182
183
184 static final long serialVersionUID = -7589377097964441459L;
185 }
186 |
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