01: /*
02: * <copyright>
03: *
04: * Copyright 2001-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.util.log;
28:
29: import java.util.Enumeration;
30: import java.util.Map;
31: import java.util.Properties;
32:
33: /**
34: * No-op LoggerFactory to connect to NullLogger instances.
35: */
36: public class NullLoggerFactory extends LoggerFactory {
37: private static final LoggerController LC = new NullLoggerController();
38:
39: public void configure(Properties props) {
40: }
41:
42: public void configure(Map m) {
43: }
44:
45: public Logger instantiateLogger(Object requestor) {
46: return NullLogger.getLogger();
47: }
48:
49: public LoggerController createLoggerController(String requestor) {
50: return LC;
51: }
52:
53: private static class NullLoggerController implements
54: LoggerController {
55: public LoggerController getLoggerController(String name) {
56: return this ;
57: }
58:
59: public Enumeration getAllLoggerNames() {
60: return new org.cougaar.util.EmptyEnumeration();
61: }
62:
63: public int getLoggingLevel() {
64: return Logger.DEBUG;
65: }
66:
67: public void setLoggingLevel(int level) {
68: }
69:
70: public LogTarget[] getLogTargets() {
71: return new LogTarget[0];
72: }
73:
74: public void addLogTarget(int outputType, Object outputDevice) {
75: }
76:
77: public void addConsole() {
78: }
79:
80: public boolean removeLogTarget(int outputType,
81: Object outputDevice) {
82: return false;
83: }
84:
85: public boolean removeLogTarget(int outputType,
86: String deviceString) {
87: return false;
88: }
89: }
90: }
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