ea2ddl-dao/src/main/java/jp/sourceforge/ea2ddl/dao/allcommon/helper/stacktrace/impl/InvokeNameExtractorImpl.java

   1 package jp.sourceforge.ea2ddl.dao.allcommon.helper.stacktrace.impl;\r
   2 \r
   3 import jp.sourceforge.ea2ddl.dao.allcommon.helper.stacktrace.InvokeNameResult;\r
   4 import jp.sourceforge.ea2ddl.dao.allcommon.helper.stacktrace.InvokeNameExtractingResource;\r
   5 import jp.sourceforge.ea2ddl.dao.allcommon.helper.stacktrace.InvokeNameExtractor;\r
   6 \r
   7 /**\r
   8  * @author DBFlute(AutoGenerator)\r
   9  */\r
  10 public class InvokeNameExtractorImpl implements InvokeNameExtractor {\r
  11 \r
  12     // ==========================================================================================\r
  13     //                                                                                  Attribute\r
  14     //                                                                                  =========\r
  15     protected StackTraceElement[] _stackTrace;\r
  16 \r
  17     // ==========================================================================================\r
  18     //                                                                                       Main\r
  19     //                                                                                       ====\r
  20     /**\r
  21      * @param resource the call-back resource for invoke-name-extracting. (NotNull)\r
  22      * @return Invoke name. (NotNull: If not found, returns empty string.)\r
  23      */\r
  24     public InvokeNameResult extractInvokeName(InvokeNameExtractingResource resource) {\r
  25         if (_stackTrace == null) {\r
  26             String msg = "The attribute 'stackTrace' should not be null: resource=" + resource;\r
  27             throw new IllegalStateException(msg);\r
  28         }\r
  29         String targetSimpleClassName = null;\r
  30         String targetMethodName = null;\r
  31         int lineNumber = 0;\r
  32         int foundIndex = -1; // The minus one means 'Not Found'.\r
  33         int foundFirstIndex = -1; // The minus one means 'Not Found'.\r
  34         boolean onTarget = false;\r
  35         for (int i=resource.getStartIndex(); i < _stackTrace.length; i++) {\r
  36             final StackTraceElement element = _stackTrace[i];\r
  37             if (i > resource.getStartIndex() + resource.getLoopSize()) {\r
  38                 break;\r
  39             }\r
  40             final String className = element.getClassName();\r
  41             if (className.startsWith("sun.") || className.startsWith("java.")) {\r
  42                 if (onTarget) {\r
  43                     break;\r
  44                 }\r
  45                 continue;\r
  46             }\r
  47             final String methodName = element.getMethodName();\r
  48             if (resource.isTargetElement(className, methodName)) {\r
  49                 if (methodName.equals("invoke")) {\r
  50                     continue;\r
  51                 }\r
  52                 targetSimpleClassName = className.substring(className.lastIndexOf(".") + 1);\r
  53                 targetMethodName = methodName;\r
  54                 if (resource.isUseAdditionalInfo()) {\r
  55                     lineNumber = element.getLineNumber();\r
  56                 }\r
  57                 foundIndex = i;\r
  58                 if (foundFirstIndex == -1) {\r
  59                     foundFirstIndex = i;\r
  60                 }\r
  61                 onTarget = true;\r
  62                 continue;\r
  63             }\r
  64             if (onTarget) {\r
  65                 break;\r
  66             }\r
  67         }\r
  68         final InvokeNameResult result = new InvokeNameResult();\r
  69         if (targetSimpleClassName == null) {\r
  70             result.beEmptyResult(); // Not Found! It sets empty result.\r
  71             return result;\r
  72         }\r
  73         final String filteredClassName = resource.filterSimpleClassName(targetSimpleClassName);\r
  74         result.setSimpleClassName(resource.filterSimpleClassName(targetSimpleClassName));\r
  75         result.setMethodName(targetMethodName);\r
  76         if (lineNumber > 0) {\r
  77             result.setInvokeName(filteredClassName + "." + targetMethodName + "():" + lineNumber + " --> ");\r
  78         } else {\r
  79             result.setInvokeName(filteredClassName + "." + targetMethodName + "() --> ");\r
  80         }\r
  81         result.setFoundIndex(foundIndex);\r
  82         result.setFoundFirstIndex(foundFirstIndex);\r
  83         return result;\r
  84     }\r
  85 \r
  86     // ==========================================================================================\r
  87     //                                                                                   Accessor\r
  88     //                                                                                   ========\r
  89     public void setStackTrace(StackTraceElement[] stackTrace) {\r
  90         _stackTrace = stackTrace;\r
  91     }\r
  92 }