Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/StreamLogFacility.java @ 338:3cfa4d908fc9

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Add options to control DataAccessProvider, allow to turn off use of file memory mapping in particular to solve potential sharing violation (os file handle gets released on MappedByteByffer being GC'd, not on FileChannel.close())
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Nov 2011 04:47:03 +0100
parents 981f9f50bb6c
children 909306e412e2
rev   line source
295
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1 /*
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2 * Copyright (c) 2011 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.internal;
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18
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19 import java.io.PrintStream;
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20
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21 import org.tmatesoft.hg.util.LogFacility;
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22
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23 /**
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24 * Primitive implementation of {@link LogFacility} that directs all output to specified {@link PrintStream}.
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25 *
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26 * @author Artem Tikhomirov
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27 * @author TMate Software Ltd.
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28 */
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29 public class StreamLogFacility implements LogFacility {
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30
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31 private final boolean isDebug;
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32 private final boolean isInfo;
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33 protected final boolean timestamp;
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34 protected final PrintStream outStream;
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35
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36 public StreamLogFacility(boolean pringDebug, boolean printInfo, boolean needTimestamp, PrintStream out) {
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37 isDebug = pringDebug;
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38 isInfo = printInfo;
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39 timestamp = needTimestamp;
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40 outStream = out;
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41 }
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42
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43 public boolean isDebug() {
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44 return isDebug;
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45 }
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46
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47 public boolean isInfo() {
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48 return isInfo;
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49 }
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50
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51 public void debug(Class<?> src, String format, Object... args) {
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52 if (!isDebug) {
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53 return;
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54 }
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55 printf("DEBUG", src, format, args);
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56 }
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57
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58 public void info(Class<?> src, String format, Object... args) {
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59 if (!isInfo) {
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60 return;
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61 }
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62 printf("INFO", src, format, args);
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63 }
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64
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65 public void warn(Class<?> src, String format, Object... args) {
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66 printf("WARN", src, format, args);
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67 }
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68
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69 public void error(Class<?> src, String format, Object... args) {
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70 printf("ERROR", src, format, args);
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71 }
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72
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73 public void debug(Class<?> src, Throwable th, String message) {
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74 if (!isDebug) {
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75 return;
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76 }
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77 printf("DEBUG", src, th, message);
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78 }
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79
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80 public void info(Class<?> src, Throwable th, String message) {
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81 if (!isInfo) {
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82 return;
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83 }
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84 printf("INFO", src, th, message);
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85 }
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86
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87 public void warn(Class<?> src, Throwable th, String message) {
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88 printf("WARN", src, th, message);
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89 }
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90
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91 public void error(Class<?> src, Throwable th, String message) {
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92 printf("ERROR", src, th, message);
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93 }
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94
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95 protected void printf(String level, Class<?> src, String format, Object... args) {
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96 String msg = String.format(format, args);
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97 if (timestamp) {
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98 outStream.printf(isDebug ? "%tT.%1$tL " : "%tT ", System.currentTimeMillis());
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99 }
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100 if (isDebug) {
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101 String cn = src.getName();
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102 if (cn.startsWith("org.tmatesoft.hg.")) {
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103 cn = "oth." + cn.substring("org.tmatesoft.hg.".length());
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104 }
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105 outStream.printf("(%s) ", cn);
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106 }
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107 outStream.printf("%s: %s", level, msg);
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108 if (format.length() == 0 || format.charAt(format.length() - 1) != '\n') {
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109 outStream.println();
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110 }
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111 }
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112 protected void printf(String level, Class<?> src, Throwable th, String msg) {
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113 if (msg != null || timestamp || isDebug || th == null) {
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114 printf(level, src, msg == null ? "" : msg, (Object[]) null);
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115 }
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116 if (th != null) {
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117 if (isDebug || isInfo) {
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118 // full stack trace
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119 th.printStackTrace(outStream);
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120 } else {
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121 // just title of the exception
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122 outStream.printf("%s: %s\n", th.getClass().getName(), th.getMessage());
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123 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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124 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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125 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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126
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
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127 // alternative to hardcore System.out where SessionContext is not available now (or ever)
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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128 public static LogFacility newDefault() {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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129 return new StreamLogFacility(true, true, true, System.out);
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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130 }
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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131 }