public static String objectToString ( Object value ) { if ( value == null ) { return null ; } if ( value instanceof String ) { return ( String ) value ; } if ( value instanceof String [ ] ) { return StringUtils . join ( encodeString ( ( String [ ] ) value ) , ARRAY_DELIMITER ) ; } else if ( value instanceof Integer ) { return Integer . toString ( ( Integer ) value ) ; } else if ( value instanceof Long ) { return Long . toString ( ( Long ) value ) ; } else if ( value instanceof Double ) { return Double . toString ( ( Double ) value ) ; } else if ( value instanceof Boolean ) { return Boolean . toString ( ( Boolean ) value ) ; } else if ( value instanceof Map ) { Map < ? , ? > map = ( Map < ? , ? > ) value ; StringBuilder stringValue = new StringBuilder ( ) ; Map . Entry < ? , ? > [ ] entries = Iterators . toArray ( map . entrySet ( ) . iterator ( ) , Map . Entry . class ) ; for ( int i = 0 ; i < entries . length ; i ++ ) { Map . Entry < ? , ? > entry = entries [ i ] ; String entryKey = encodeString ( Objects . toString ( entry . getKey ( ) , "" ) ) ; String entryValue = encodeString ( Objects . toString ( entry . getValue ( ) , "" ) ) ; stringValue . append ( entryKey ) . append ( KEY_VALUE_DELIMITER ) . append ( entryValue ) ; if ( i < entries . length - 1 ) { stringValue . append ( ARRAY_DELIMITER ) ; } } return stringValue . toString ( ) ; } throw new IllegalArgumentException ( "Unsupported type: " + value . getClass ( ) . getName ( ) ) ; }
Converts a typed value to it s string representation .