01: /*
02: * Copyright 2007 The Kuali Foundation.
03: *
04: * Licensed under the Educational Community License, Version 1.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.opensource.org/licenses/ecl1.php
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.kuali.kfs.context;
17:
18: import org.apache.log4j.spi.Filter;
19: import org.apache.log4j.spi.LoggingEvent;
20:
21: public class NDCFilter extends Filter {
22: private String nestedDiagnosticContext;
23:
24: public NDCFilter(String nestedDiagnosticContext) {
25: super ();
26: this .nestedDiagnosticContext = nestedDiagnosticContext;
27: }
28:
29: /**
30: * @see org.apache.log4j.spi.Filter#decide(org.apache.log4j.spi.LoggingEvent)
31: */
32: @Override
33: public int decide(LoggingEvent event) {
34: if (nestedDiagnosticContext.equals(event.getNDC())) {
35: return ACCEPT;
36: }
37: return DENY;
38: }
39: }
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