Method coerceToCharacter

java/org/apache/el/lang/ELSupport.java:276–305

(final ELContext ctx, final Object obj)

    }

    private static Character coerceToCharacter(final ELContext ctx, final Object obj) throws ELException {

        if (ctx != null) {
            boolean originalIsPropertyResolved = ctx.isPropertyResolved();
            try {
                Character result = ctx.getELResolver().convertToType(ctx, obj, Character.class);
                if (ctx.isPropertyResolved()) {
                    return result;
                }
            } finally {
                ctx.setPropertyResolved(originalIsPropertyResolved);
            }
        }

        if (obj == null || "".equals(obj)) {
            return Character.valueOf((char) 0);
        }
        if (obj instanceof String) {
            return Character.valueOf(((String) obj).charAt(0));
        }
        if (ELArithmetic.isNumber(obj)) {
            return Character.valueOf((char) ((Number) obj).shortValue());
        }
        Class<?> objType = obj.getClass();
        if (obj instanceof Character) {
            return (Character) obj;
        }

        throw new ELException(MessageFactory.get("error.convert", obj, objType, Character.class));
    }

    /**
     * Coerces a Number to the specified numeric type.