annotate src/goodjava/logger/Layouts.java @ 1474:13cbce740e1e

LowercaseAnalyzer
author Franklin Schmidt <fschmidt@gmail.com>
date Fri, 17 Apr 2020 21:53:09 -0600
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Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package goodjava.logger;
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2
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3 import java.io.StringWriter;
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4 import java.io.PrintWriter;
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5
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6
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7 public final class Layouts {
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8 private Layouts() {} // never
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9
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10 public static final Layout MESSAGE = new Layout() {
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11 public String format(LoggingEvent event) {
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12 return event.message;
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13 }
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14 };
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15
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16 public static final Layout LOGGER = new Layout() {
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17 public String format(LoggingEvent event) {
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18 return event.logger.name;
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19 }
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20 };
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21
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22 public static final Layout LEVEL = new Layout() {
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23 public String format(LoggingEvent event) {
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24 return Level.toString(event.level);
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25 }
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26 };
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27
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28 public static final Layout LEVEL_PADDED = new Layout() {
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29 public String format(LoggingEvent event) {
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30 return Level.toPaddedString(event.level);
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31 }
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32 };
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33
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34 public static final Layout THROWABLE = new Layout() {
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35 public String format(LoggingEvent event) {
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36 if( event.throwable == null )
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37 return "";
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38 StringWriter stringWriter = new StringWriter();
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39 PrintWriter printWriter = new PrintWriter(stringWriter);
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40 event.throwable.printStackTrace(printWriter);
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41 return stringWriter.toString();
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42 }
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43 };
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44
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45 public static final Layout THREAD = new Layout() {
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46 public String format(LoggingEvent event) {
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47 return Thread.currentThread().getName();
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48 }
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49 };
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50
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51 }