public ComposedTextParams(Document document) 
{
        this.document = document;
}

 public AttributedString getComposedText() 
{
        return composedText;
}

 public int getComposedTextLength() 
{
        return composedTextLength;
}

 public int getComposedTextStart() 
{
        return composedTextStart.getOffset();
}

 public int getLastCommittedTextLength() 
{
        return getComposedTextStart() - getLastCommittedTextStart();
}

 public int getLastCommittedTextStart() 
{
        return lastCommittedTextStart.getOffset();
}

 public  void resetComposedText() 
{
        composedTextLength = 0;
        composedText = null;
}

 public  void setComposedText(AttributedString text) 
{
        composedText = text;
}

 public  void setComposedText(AttributedCharacterIterator iterator,
    int composedStart,
    int end) 
{
        composedText = new AttributedString(iterator, composedStart, end);
        composedTextLength = end - composedStart;
}

 public  void setComposedTextLength(int length) 
{
        composedTextLength = length;
}

 public  void setComposedTextStart(int offset) 
{
        try {
            composedTextStart = document.createPosition(offset);
        } catch (BadLocationException e) {
        }
}

 public  void setLastCommittedTextStart(int offset) 
{
        try {
            lastCommittedTextStart = document.createPosition(offset);
        } catch (BadLocationException e) {
        }
}