01: /*
02: * Copyright 2006 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
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, WITHOUT
12: * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13: * License for the specific language governing permissions and limitations under
14: * the License.
15: */
16: package com.google.gwt.dev.util.log;
17:
18: import javax.servlet.ServletContext;
19:
20: /**
21: * Tree logger that logs servlet context information.
22: */
23: public class ServletContextTreeLogger extends AbstractTreeLogger {
24:
25: private final ServletContext ctx;
26:
27: public ServletContextTreeLogger(ServletContext ctx) {
28: this .ctx = ctx;
29: }
30:
31: protected AbstractTreeLogger doBranch() {
32: return new ServletContextTreeLogger(ctx);
33: }
34:
35: protected void doCommitBranch(
36: AbstractTreeLogger childBeingCommitted, Type type,
37: String msg, Throwable caught) {
38: doLog(childBeingCommitted.getBranchedIndex(), type, msg, caught);
39: }
40:
41: protected void doLog(int indexOfLogEntryWithinParentLogger,
42: Type type, String msg, Throwable caught) {
43: if (caught != null) {
44: ctx.log(msg, caught);
45: } else {
46: ctx.log(msg);
47: }
48: }
49: }
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