01: /*
02: * @(#)NoOpChannelLoggerFactory.java
03: *
04: * Copyright (C) 2002-2003 Matt Albrecht
05: * groboclown@users.sourceforge.net
06: * http://groboutils.sourceforge.net
07: *
08: * Permission is hereby granted, free of charge, to any person obtaining a
09: * copy of this software and associated documentation files (the "Software"),
10: * to deal in the Software without restriction, including without limitation
11: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12: * and/or sell copies of the Software, and to permit persons to whom the
13: * Software is furnished to do so, subject to the following conditions:
14: *
15: * The above copyright notice and this permission notice shall be included in
16: * all copies or substantial portions of the Software.
17: *
18: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24: * DEALINGS IN THE SOFTWARE.
25: */
26:
27: package net.sourceforge.groboutils.codecoverage.v2.logger;
28:
29: import java.util.Properties;
30:
31: import net.sourceforge.groboutils.codecoverage.v2.IChannelLogger;
32: import net.sourceforge.groboutils.codecoverage.v2.IChannelLoggerFactory;
33:
34: /**
35: * The singleton invoked at runtime to log each marked bytecode instruction
36: * covered.
37: * <P>
38: * This class needs to be fast, efficient, thread-safe, and classloader-safe.
39: * "Classloader-safe" means that it needs to be resiliant to multiple instances
40: * of this class being loaded, and possibly interfering with each other.
41: *
42: * @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
43: * @version $Date: 2003/02/10 22:51:28 $
44: * @since December 17, 2002
45: */
46: public class NoOpChannelLoggerFactory implements IChannelLoggerFactory {
47: /**
48: * Creates a specific logger type. Initializes the logger based on the
49: * given collection of properties.
50: *
51: * @param propertyPrefix the prefix that all logger properties will begin
52: * with. Expect all logger-specific properties to be appended directly
53: * to this string.
54: * @param props the property collection to pull the logger properties from.
55: * @param channelIndex channel number to log to.
56: * @return the initialized logger.
57: */
58: public IChannelLogger createChannelLogger(String propertyPrefix,
59: Properties props, short channelIndex) {
60: return new NoOpChannelLogger();
61: }
62: }
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