Mercurial Hosting > luan
annotate core/src/luan/LuanException.java @ 324:b24a35612947
minor parsing improvement
git-svn-id: https://luan-java.googlecode.com/svn/trunk@325 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Mon, 09 Feb 2015 23:15:42 +0000 |
parents | 9fb218211763 |
children | 5d4a78c93383 |
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1 package luan; |
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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 LuanException extends Exception { |
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8 private final String stackTrace; |
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9 |
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10 LuanException(LuanBit bit,Object msg) { |
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11 super(message(msg),cause(msg)); |
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12 stackTrace = stackTrace(bit,msg); |
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13 } |
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14 |
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15 @Override public String getMessage() { |
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16 return super.getMessage() + stackTrace; |
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17 } |
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18 |
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19 public String getFullMessage() { |
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20 String msg = getMessage(); |
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21 Throwable cause = getCause(); |
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22 if( cause != null ) { |
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23 msg += "\nCaused by: "; |
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24 StringWriter sw = new StringWriter(); |
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25 cause.printStackTrace(new PrintWriter(sw)); |
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26 msg += sw; |
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27 } |
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28 return msg; |
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29 } |
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30 |
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31 private String message() { |
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32 return super.getMessage(); |
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33 } |
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34 |
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35 private static Throwable cause(Object msg) { |
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36 return msg instanceof Throwable ? (Throwable)msg : null; |
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37 } |
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38 |
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39 private static String message(Object msg) { |
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40 if( msg instanceof LuanException ) { |
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41 LuanException le = (LuanException)msg; |
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42 return le.message(); |
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43 /* |
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44 } else if( msg instanceof Throwable ) { |
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45 Throwable t = (Throwable)msg; |
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46 return t.getMessage(); |
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47 */ |
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48 } else { |
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49 return msg.toString(); |
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50 } |
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51 } |
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52 |
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53 private static String stackTrace(LuanBit bit,Object msg) { |
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54 StringBuilder buf = new StringBuilder(); |
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55 buf.append( bit.stackTrace() ); |
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56 if( msg instanceof LuanException ) { |
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57 LuanException le = (LuanException)msg; |
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58 buf.append( "\ncaused by:" ).append( le.stackTrace ); |
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59 } |
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60 return buf.toString(); |
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61 } |
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62 } |