@Override
    public StringWriter append(CharSequence csq) {
        if (csq == null)
            append("null"); //$NON-NLS-1$
        else {
    		int len = csq.length();
    		for (int i = 0; i < len; i++) {
    			append(csq.charAt(i));
    		}
        }
        return this;
    }
@ Override public StringWriter append ( CharSequence csq ) { if ( csq == null ) append ( "null" ) ; else { int len = csq . length ( ) ; for ( int i = 0 ; i < len ; i ++ ) { append ( csq . charAt ( i ) ) ; } } return this ; }
/* (non-Javadoc)
@see java.io.StringWriter#append(java.lang.CharSequence)