code: package org.omnetpp.eventlog.entry;
  
  import java.io.IOException;
  import java.io.OutputStream;
  import java.util.ArrayList;
  
  import org.omnetpp.eventlog.IChunk;
  import org.omnetpp.eventlog.EventLogTokenBasedEntry;
  public class BubbleEntry extends EventLogTokenBasedEntry
  {
      public int moduleId;
      public String text;
  
      public BubbleEntry() {
          this.chunk = null;
          moduleId = -1;
          text = null;
      }
  
      public BubbleEntry(IChunk chunk, int entryIndex) {
          this.chunk = chunk;
          this.entryIndex = entryIndex;
          moduleId = -1;
          text = null;
      }
  
      public int getModuleId() { return moduleId; }
      public String getText() { return text; }
  
      public void parse(String[] tokens, int numTokens) {
          moduleId = getIntToken(tokens, numTokens, "id", true, moduleId);
          text = getStringToken(tokens, numTokens, "txt", true, text);
      }
  
      public void print(OutputStream stream) {
          try {
              stream.write(("BU").getBytes());
              stream.write((" id " + String.valueOf(moduleId)).getBytes());
              stream.write((" txt " + qoute(text)).getBytes());
              stream.write(("\n").getBytes());
              stream.flush();
          }
          catch (IOException e) {
              throw new RuntimeException (e);
          }
      }
  
      public int getClassIndex() { return 60; }
  
      public String getAsString() { return "BU"; }
  
      public ArrayList<String> getAttributeNames() {
          ArrayList<String> names = new ArrayList<String>();
          names.add("id");
          names.add("txt");
          return names;
      }
  
      @SuppressWarnings("unused")
      public String getAsString(String attribute) {
          if (false)
              return null;
          else if (attribute.equals("id"))
              return String.valueOf(moduleId);
          else if (attribute.equals("txt"))
              return text;
          else
              return null;
  
      }
  
      public String getClassName() { return "BubbleEntry"; }
  }
  
  