Coverage Report

Coverage Report - org.apache.myfaces.shared_impl.trace.TracingSupport

Classes in this File

0/49

0/18

 /*
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you under the Apache License, Version 2.0 (the
  *  "License"); you may not use this file except in compliance
  *  with the License.  You may obtain a copy of the License at
  * 
  *  http://www.apache.org/licenses/LICENSE-2.0
  * 
  *  Unless required by applicable law or agreed to in writing,
  *  software distributed under the License is distributed on an
  *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  *  KIND, either express or implied.  See the License for the
  *  specific language governing permissions and limitations
  *  under the License.
  */
 package org.apache.myfaces.shared_impl.trace;
 
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
 /**
  * Support class for tracing method calls providing params, exceptions and return types
  * 
  * @author Mathias Broekelmann (latest modification by $Author: skitching $)
  * @version $Revision: 676197 $ $Date: 2008-07-12 11:07:17 -0500 (Sat, 12 Jul 2008) $
  */
 public class TracingSupport
 {
     private static final Object[] EMPTY_PARAMS = new Object[0];
 
     private Logger _logger;
     private Level _level = Level.FINE;
     private String _sourceClass;
 
     public TracingSupport()
     {
         this(Logger.getAnonymousLogger());
     }
 
     public TracingSupport(Class clazz)
     {
         this(clazz.getName());
     }
 
     public TracingSupport(String className)
     {
         this(Logger.getLogger(className));
     }
 
     public TracingSupport(Logger logger)
     {
         _logger = logger;
         _sourceClass = logger.getName();
     }
 
     /**
      * @return the log level
      */
     public Level getLevel()
     {
         return _level;
     }
 
     /**
      * 
      * @param level
      *            the log level to use
      */
     public void setLevel(Level level)
     {
         if (level == null)
         {
             throw new IllegalArgumentException("log level can not be null");
         }
         _level = level;
     }
 
     public <T> T trace(String methodName, Closure<T> closure)
     {
         return trace(methodName, closure, EMPTY_PARAMS);
     }
 
     public <T> T trace(String methodName, Closure<T> closure, Object... params)
     {
         if (_logger.isLoggable(_level))
         {
             _logger.logp(_level, _sourceClass, methodName, "ENTRY" + prepareParams(params), params);
             try
             {
                 T result = closure.call();
                 if (!Void.class.equals(result))
                 {
                     _logger.logp(_level, _sourceClass, methodName, "RETURN {0}", result);
                 }
                 else
                 {
                     _logger.logp(_level, _sourceClass, methodName, "RETURN");
                 }
                 return result;
             }
             catch (RuntimeException e)
             {
                 _logger.logp(_level, _sourceClass, methodName, "THROW", e);
                 throw e;
             }
         }
         else
         {
             return closure.call();
         }
     }
 
     private String prepareParams(Object[] params)
     {
         if (params == null || params.length == 0)
         {
             return "";
         }
         StringBuilder builder = new StringBuilder(" ");
         for (int i = 0, size = params.length; i < size; i++)
         {
             builder.append("{");
             builder.append(i);
             builder.append("}");
             if (i + 1 < size)
             {
                 builder.append(",");
             }
         }
         return builder.toString();
     }
 
     public Logger getLogger()
     {
         return _logger;
     }
 
     /**
      * @param logger
      *            the logger to set
      */
     public void setLogger(Logger logger)
     {
         if (logger == null)
         {
             throw new IllegalArgumentException("logger must not be null");
         }
         _logger = logger;
     }
 
     /**
      * @return the className
      */
     public String getSourceClass()
     {
         return _sourceClass;
     }
 
     /**
      * @param className
      *            the className to set
      */
     public void setSourceClass(String className)
     {
         if (className == null)
         {
             throw new IllegalArgumentException("className must not be null");
         }
         _sourceClass = className;
     }
 }

1		/*
2		* Licensed to the Apache Software Foundation (ASF) under one
3		* or more contributor license agreements. See the NOTICE file
4		* distributed with this work for additional information
5		* regarding copyright ownership. The ASF licenses this file
6		* to you under the Apache License, Version 2.0 (the
7		* "License"); you may not use this file except in compliance
8		* with the License. You may obtain a copy of the License at
9		*
10		* http://www.apache.org/licenses/LICENSE-2.0
11		*
12		* Unless required by applicable law or agreed to in writing,
13		* software distributed under the License is distributed on an
14		* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15		* KIND, either express or implied. See the License for the
16		* specific language governing permissions and limitations
17		* under the License.
18		*/
19		package org.apache.myfaces.shared_impl.trace;
20
21		import java.util.logging.Level;
22		import java.util.logging.Logger;
23
24		/**
25		* Support class for tracing method calls providing params, exceptions and return types
26		*
27		* @author Mathias Broekelmann (latest modification by $Author: skitching $)
28		* @version $Revision: 676197 $ $Date: 2008-07-12 11:07:17 -0500 (Sat, 12 Jul 2008) $
29		*/
30		public class TracingSupport
31		{
32	0	private static final Object[] EMPTY_PARAMS = new Object[0];
33
34		private Logger _logger;
35	0	private Level _level = Level.FINE;
36		private String _sourceClass;
37
38		public TracingSupport()
39		{
40	0	this(Logger.getAnonymousLogger());
41	0	}
42
43		public TracingSupport(Class clazz)
44		{
45	0	this(clazz.getName());
46	0	}
47
48		public TracingSupport(String className)
49		{
50	0	this(Logger.getLogger(className));
51	0	}
52
53		public TracingSupport(Logger logger)
54	0	{
55	0	_logger = logger;
56	0	_sourceClass = logger.getName();
57	0	}
58
59		/**
60		* @return the log level
61		*/
62		public Level getLevel()
63		{
64	0	return _level;
65		}
66
67		/**
68		*
69		* @param level
70		* the log level to use
71		*/
72		public void setLevel(Level level)
73		{
74	0	if (level == null)
75		{
76	0	throw new IllegalArgumentException("log level can not be null");
77		}
78	0	_level = level;
79	0	}
80
81		public <T> T trace(String methodName, Closure<T> closure)
82		{
83	0	return trace(methodName, closure, EMPTY_PARAMS);
84		}
85
86		public <T> T trace(String methodName, Closure<T> closure, Object... params)
87		{
88	0	if (_logger.isLoggable(_level))
89		{
90	0	_logger.logp(_level, _sourceClass, methodName, "ENTRY" + prepareParams(params), params);
91		try
92		{
93	0	T result = closure.call();
94	0	if (!Void.class.equals(result))
95		{
96	0	_logger.logp(_level, _sourceClass, methodName, "RETURN {0}", result);
97		}
98		else
99		{
100	0	_logger.logp(_level, _sourceClass, methodName, "RETURN");
101		}
102	0	return result;
103		}
104	0	catch (RuntimeException e)
105		{
106	0	_logger.logp(_level, _sourceClass, methodName, "THROW", e);
107	0	throw e;
108		}
109		}
110		else
111		{
112	0	return closure.call();
113		}
114		}
115
116		private String prepareParams(Object[] params)
117		{
118	0	if (params == null \|\| params.length == 0)
119		{
120	0	return "";
121		}
122	0	StringBuilder builder = new StringBuilder(" ");
123	0	for (int i = 0, size = params.length; i < size; i++)
124		{
125	0	builder.append("{");
126	0	builder.append(i);
127	0	builder.append("}");
128	0	if (i + 1 < size)
129		{
130	0	builder.append(",");
131		}
132		}
133	0	return builder.toString();
134		}
135
136		public Logger getLogger()
137		{
138	0	return _logger;
139		}
140
141		/**
142		* @param logger
143		* the logger to set
144		*/
145		public void setLogger(Logger logger)
146		{
147	0	if (logger == null)
148		{
149	0	throw new IllegalArgumentException("logger must not be null");
150		}
151	0	_logger = logger;
152	0	}
153
154		/**
155		* @return the className
156		*/
157		public String getSourceClass()
158		{
159	0	return _sourceClass;
160		}
161
162		/**
163		* @param className
164		* the className to set
165		*/
166		public void setSourceClass(String className)
167		{
168	0	if (className == null)
169		{
170	0	throw new IllegalArgumentException("className must not be null");
171		}
172	0	_sourceClass = className;
173	0	}
174		}