uncaught_exception.ump

class UmpleToJava {
    uncaught_exception <<!<</*uncaught_exception*/>><<#
java.util.regex.Pattern lineNumberPattern = java.util.regex.Pattern.compile("// line ([0|1|2|3|4|5|6|7|8|9]*) \"(.*)\"");
private void addUncaughtExceptionVariables(int javaline, String code, String methodname)
{
  String[] lines = code.split("\\n");
  java.util.regex.Matcher matcher = lineNumberPattern.matcher(lines[0]);
  if(matcher.matches())
  {
    if(!uncaughtExceptions.containsKey(methodname))
    {
      uncaughtExceptions.put(methodname,new UncaughtException(globalUmpleClass.getName(), methodname));
    }
    int fileIndex = matcher.group(2).lastIndexOf('/') + 1;
    uncaughtExceptions.get(methodname).addUncaughtFileName(matcher.group(2).substring(fileIndex));
    uncaughtExceptions.get(methodname).addUncaughtUmpleLine(Integer.parseInt(matcher.group(1)));
    uncaughtExceptions.get(methodname).addUncaughtJavaLine(javaline+1);
    // Subtract two to compensate for the comments at the top and bottom of each inject statement 
    uncaughtExceptions.get(methodname).addUncaughtLength(lines.length-2);
  }  
}
private void addUncaughtExceptionVariables(String methodname, String filename, int umpleline, int javaline, int length)
{
  if(!uncaughtExceptions.containsKey(methodname))
  {
    uncaughtExceptions.put(methodname,new UncaughtException(globalUmpleClass.getName(), methodname));
  }
  
  uncaughtExceptions.get(methodname).addUncaughtFileName(filename);
  uncaughtExceptions.get(methodname).addUncaughtUmpleLine(umpleline-1);
  uncaughtExceptions.get(methodname).addUncaughtJavaLine(javaline+1);
  uncaughtExceptions.get(methodname).addUncaughtLength(length);
}
public String getExceptionHandler(String exceptions) { 
  StringBuilder realSb = new StringBuilder();#>>
  public static class UmpleExceptionHandler implements Thread.UncaughtExceptionHandler
  {
    public void uncaughtException(Thread t, Throwable e)
    {
      translate(e);
      if(e.getCause()!=null)
      {
        translate(e.getCause());
      }
      e.printStackTrace();
    }
    public void translate(Throwable e)
    {
      java.util.List<StackTraceElement> result = new java.util.ArrayList<StackTraceElement>();
      StackTraceElement[] elements = e.getStackTrace();
      try
      {
        for(StackTraceElement element:elements)
        {
          String className = element.getClassName();
          String methodName = element.getMethodName();
          boolean methodFound = false;
          int index = className.lastIndexOf('.')+1;
          try {
            java.lang.reflect.Method query = this.getClass().getMethod(className.substring(index)+"_"+methodName,new Class[]{});
            UmpleSourceData sourceInformation = (UmpleSourceData)query.invoke(this,new Object[]{});
            for(int i=0;i<sourceInformation.size();++i)
            {
              // To compensate for any offsets caused by injected code we need to loop through the other references to this function
              //  and adjust the start / length of the function.
              int functionStart = sourceInformation.getJavaLine(i) + (("main".equals(methodName))?3:1);
              int functionEnd = functionStart + sourceInformation.getLength(i);
              int afterInjectionLines = 0;
              //  We can leverage the fact that all inject statements are added to the uncaught exception list 
              //   before the functions that they are within
              for (int j = 0; j < i; j++) {
                if (sourceInformation.getJavaLine(j) - 1 >= functionStart &&
                    sourceInformation.getJavaLine(j) - 1 <= functionEnd &&
                    sourceInformation.getJavaLine(j) - 1 <= element.getLineNumber()) {
                    // A before injection, +2 for the comments surrounding the injected code
                    if (sourceInformation.getJavaLine(j) - 1 == functionStart) {
                        functionStart += sourceInformation.getLength(j) + 2;
                        functionEnd += sourceInformation.getLength(j) + 2;
                    } else {
                        // An after injection
                        afterInjectionLines += sourceInformation.getLength(j) + 2;
                        functionEnd += sourceInformation.getLength(j) + 2;
                    }
                }
              }
              int distanceFromStart = element.getLineNumber() - functionStart - afterInjectionLines;
              if(distanceFromStart>=0&&distanceFromStart<=sourceInformation.getLength(i))
              {
                result.add(new StackTraceElement(element.getClassName(),element.getMethodName(),sourceInformation.getFileName(i),sourceInformation.getUmpleLine(i)+distanceFromStart));
                methodFound = true;
                break;
              }
            }
          }
          catch (Exception e2){}
          if(!methodFound)
          {
            result.add(element);
          }
        }
      }
      catch (Exception e1)
      {
        e1.printStackTrace();
      }
      e.setStackTrace(result.toArray(new StackTraceElement[0]));
    }
  //The following methods Map Java lines back to their original Umple file / line    
<<=exceptions>>
  }
  public static class UmpleSourceData
  {
    String[] umpleFileNames;
    Integer[] umpleLines;
    Integer[] umpleJavaLines;
    Integer[] umpleLengths;
    
    public UmpleSourceData(){
    }
    public String getFileName(int i){
      return umpleFileNames[i];
    }
    public Integer getUmpleLine(int i){
      return umpleLines[i];
    }
    public Integer getJavaLine(int i){
      return umpleJavaLines[i];
    }
    public Integer getLength(int i){
      return umpleLengths[i];
    }
    public UmpleSourceData setFileNames(String... filenames){
      umpleFileNames = filenames;
      return this;
    }
    public UmpleSourceData setUmpleLines(Integer... umplelines){
      umpleLines = umplelines;
      return this;
    }
    public UmpleSourceData setJavaLines(Integer... javalines){
      umpleJavaLines = javalines;
      return this;
    }
    public UmpleSourceData setLengths(Integer... lengths){
      umpleLengths = lengths;
      return this;
    }
    public int size(){
      return umpleFileNames.length;
    }
  } 
}<<#
  return realSb.toString();
}#>>!>>
}