public Attribute getAttribute(final int index) {
		if (attributes == null) {
			return null;
		}
		if ((index < 0) || (index >= attributes.size())) {
			return null;
		}
		return attributes.get(index);
	}
public Attribute getAttribute(final int index) {
		if (attributes == null) {
			return null;
		}
		if ((index < 0) || (index >= attributes.size())) {
			return null;
		}
		return attributes.get(index);
	}
public Attribute getAttribute ( final int index ) { if ( attributes == null ) { return null ; } if ( ( index < 0 ) || ( index >= attributes . size ( ) ) ) { return null ; } return attributes . get ( index ) ; }
Returns attribute at given index or <code>null</code> if index not found.
Returns attribute at given index or <code > null< / code > if index not found .