buffer.append(", ");
            }
            buffer.append("line ").append(getLineNumber());
        }

        if (getColumnNumber() > 0) {
            if (!buffer.isEmpty()) {
                buffer.append(", ");
            }
            buffer.append("column ").append(getColumnNumber());
        }

        return buffer.toString();
    }

    @Override
    public Exception getException() {

            if (e.getSystemId() != null) {
                buf.append(" at ").append(e.getSystemId());
            }
            final int lineNumber = e.getLineNumber();
            final int columnNumber = e.getColumnNumber();
            buf.append("( lineNumber = ").append(lineNumber).append(", columnNumber = ").append(columnNumber).append(")");
        }
        return new String(buf);
    }

        <codeSegment>
          <version>4.0.0+</version>
          <code>
            <![CDATA[

    @Override
    public String toString() {
        return getLineNumber() + " : " + getColumnNumber() + ", " + getSource();
    }
            ]]>
          </code>
        </codeSegment>
      </codeSegments>
    </class>
    <class sourceTracker="source">
      <name>InputSource</name>