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17 package org.apache.log4j.spi;
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19 import org.apache.log4j.ULogger;
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27 public final class NOPULogger implements ULogger {
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32 public static final NOPULogger NOP_LOGGER = new NOPULogger();
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38 private NOPULogger() {
39 super();
40 }
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47 public static NOPULogger getLogger(final String name) {
48 return NOP_LOGGER;
49 }
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54 public boolean isDebugEnabled() {
55 return false;
56 }
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61 public void debug(final Object msg) {
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63 }
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68 public void debug(final Object parameterizedMsg, final Object param1) {
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70 }
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75 public void debug(final String parameterizedMsg,
76 final Object param1,
77 final Object param2) {
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79 }
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84 public void debug(final Object msg, final Throwable t) {
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86 }
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91 public boolean isInfoEnabled() {
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93 return false;
94 }
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99 public void info(final Object msg) {
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101 }
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106 public void info(final Object parameterizedMsg, final Object param1) {
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108 }
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113 public void info(final String parameterizedMsg,
114 final Object param1, final Object param2) {
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116 }
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121 public void info(final Object msg, final Throwable t) {
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123 }
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128 public boolean isWarnEnabled() {
129 return false;
130 }
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135 public void warn(final Object msg) {
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137 }
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142 public void warn(final Object parameterizedMsg,
143 final Object param1) {
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145 }
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150 public void warn(final String parameterizedMsg,
151 final Object param1,
152 final Object param2) {
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154 }
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159 public void warn(final Object msg, final Throwable t) {
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161 }
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166 public boolean isErrorEnabled() {
167 return false;
168 }
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173 public void error(final Object msg) {
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175 }
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180 public void error(final Object parameterizedMsg, final Object param1) {
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182 }
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187 public void error(final String parameterizedMsg,
188 final Object param1,
189 final Object param2) {
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191 }
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196 public void error(final Object msg, final Throwable t) {
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198 }
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200 }