Method: log(String)

1: /*
2: * *************************************************************************************************************************************************************
3: *
4: * NorthernWind - lightweight CMS
5: * http://tidalwave.it/projects/northernwind
6: *
7: * Copyright (C) 2011 - 2025 Tidalwave s.a.s. (http://tidalwave.it)
8: *
9: * *************************************************************************************************************************************************************
10: *
11: * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12: * You may obtain a copy of the License at
13: *
14: * http://www.apache.org/licenses/LICENSE-2.0
15: *
16: * 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
17: * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18: *
19: * *************************************************************************************************************************************************************
20: *
21: * git clone https://bitbucket.org/tidalwave/northernwind-src
22: * git clone https://github.com/tidalwave-it/northernwind-src
23: *
24: * *************************************************************************************************************************************************************
25: */
26: package it.tidalwave.northernwind.frontend.util;
27:
28: import javax.annotation.Nonnull;
29: import java.io.PrintWriter;
30: import java.io.StringWriter;
31: import lombok.RequiredArgsConstructor;
32:
33: /***************************************************************************************************************************************************************
34: *
35: * We can't log to the real thing, since we first need to compute the path of the logging file. Logging to the real
36: * thing would instantiate the logging facility before we have a chance to configure it.
37: *
38: * @author Fabrizio Giudici
39: *
40: **************************************************************************************************************************************************************/
41: @RequiredArgsConstructor
42: public final class BootLogger
43: {
44: private static final StringBuilder BUILDER = new StringBuilder();
45:
46: private final Class<?> owner;
47:
48: public void log (@Nonnull final String string)
49: {
50: @SuppressWarnings("squid:S106")
51: final var s = String.format("%s: %s", owner.getSimpleName(), string);
52: System.err.println(s);
53: BUILDER.append(s).append("\n");
54: }
55:
56: public void log (@Nonnull final Throwable t)
57: {
58: final var sw = new StringWriter();
59: final var pw = new PrintWriter(sw);
60: t.printStackTrace(pw);
61: pw.flush();
62: log(t + "\n" + sw);
63: }
64:
65: @Nonnull
66: public static String getLogContent()
67: {
68: return BUILDER.toString();
69: }
70: }