Source code: com/arranger/jarl/util/StackTraceUtil.java

   package com.arranger.jarl.util;
   
   import java.io.StringReader;
   import java.io.BufferedReader;
   import java.io.PrintWriter;
   import java.io.ByteArrayOutputStream;
   import java.util.List;
   import java.util.ArrayList;
   
  /**
   * StackTraceUtil created on Apr 3, 2003
   */
  public class StackTraceUtil {
  
      private Throwable m_throwable = null;
      private List m_locations = null;
  
      public StackTraceUtil(Throwable thrown) {
          m_throwable = thrown;
          populateLocations();
      }
  
      protected void finalize() throws Throwable {
          clear();
          super.finalize();
      }
  
      public String getExceptionClassName() {
          return m_throwable.getClass().getName();
      }
  
      public String getExceptionMessage() {
          return m_throwable.getMessage();
      }
  
      private List getLocations() {
          if (m_locations == null)
              m_locations = new ArrayList();
  
          return m_locations;
      }
  
      /**
       * Get the entire stack trace
       */
      public static String stackAsString(Throwable thrown) {
          try {
              ByteArrayOutputStream exceptOutputStream = new ByteArrayOutputStream() {
                  public String toString() {
                      return new String(this.toByteArray());
                  }
              };
              PrintWriter printWriter = new PrintWriter(exceptOutputStream);
              thrown.printStackTrace(printWriter);
              printWriter.flush();
              return exceptOutputStream.toString();
          } catch (Exception igorned) {
              return null;
          }
      }
  
      private void populateLocations() {
  
          try {
              BufferedReader bufferReader = new BufferedReader(new StringReader(stackAsString(m_throwable)));
  
              int lineIndex = 0;
              String currentLine = null;
              while ((currentLine = bufferReader.readLine()) != null) {
                  if (lineIndex != 0) {
                      getLocations().add(currentLine.trim());
                  }
                  lineIndex++;
              }
  
              bufferReader.close();
          } catch (Exception ignored) {
          }
      }
  
      public String location(int index) {
  
          if ((index < 0) || (index >= getLocations().size())) {
              return "";
          }
  
          return (String) getLocations().get(index);
      }
  
      public void clear() {
          m_throwable = null;
  
          if (m_locations != null) {
              m_locations.clear();
              m_locations = null;
          }
      }
  }