1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.log4j.lf5.util;
18
19 import org.apache.log4j.lf5.LogLevel;
20 import org.apache.log4j.lf5.LogRecord;
21
22 import java.io.PrintWriter;
23 import java.io.StringWriter;
24
25 /**
26 * <p>A LogRecord to be used with the LogMonitorAdapter</p>
27 *
28 * @author Richard Hurst
29 */
30
31 // Contributed by ThoughtWorks Inc.
32
33 public class AdapterLogRecord extends LogRecord {
34 //--------------------------------------------------------------------------
35 // Constants:
36 //--------------------------------------------------------------------------
37
38 //--------------------------------------------------------------------------
39 // Protected Variables:
40 //--------------------------------------------------------------------------
41
42 //--------------------------------------------------------------------------
43 // Private Variables:
44 //--------------------------------------------------------------------------
45 private static LogLevel severeLevel = null;
46
47 private static StringWriter sw = new StringWriter();
48 private static PrintWriter pw = new PrintWriter(sw);
49
50 //--------------------------------------------------------------------------
51 // Constructors:
52 //--------------------------------------------------------------------------
53 public AdapterLogRecord() {
54 super();
55 }
56
57 //--------------------------------------------------------------------------
58 // Public Methods:
59 //--------------------------------------------------------------------------
60 public void setCategory(String category) {
61 super.setCategory(category);
62 super.setLocation(getLocationInfo(category));
63 }
64
65 public boolean isSevereLevel() {
66 if (severeLevel == null) return false;
67 return severeLevel.equals(getLevel());
68 }
69
70 public static void setSevereLevel(LogLevel level) {
71 severeLevel = level;
72 }
73
74 public static LogLevel getSevereLevel() {
75 return severeLevel;
76 }
77
78 //--------------------------------------------------------------------------
79 // Protected Methods:
80 //--------------------------------------------------------------------------
81 protected String getLocationInfo(String category) {
82 String stackTrace = stackTraceToString(new Throwable());
83 String line = parseLine(stackTrace, category);
84 return line;
85 }
86
87 protected String stackTraceToString(Throwable t) {
88 String s = null;
89
90 synchronized (sw) {
91 t.printStackTrace(pw);
92 s = sw.toString();
93 sw.getBuffer().setLength(0);
94 }
95
96 return s;
97 }
98
99 protected String parseLine(String trace, String category) {
100 int index = trace.indexOf(category);
101 if (index == -1) return null;
102 trace = trace.substring(index);
103 trace = trace.substring(0, trace.indexOf(")") + 1);
104 return trace;
105 }
106 //--------------------------------------------------------------------------
107 // Private Methods:
108 //--------------------------------------------------------------------------
109
110 //--------------------------------------------------------------------------
111 // Nested Top-Level Classes or Interfaces
112 //--------------------------------------------------------------------------
113 }
114