SizeAnnotationPostProcessor.java 文件源码

@Override
public Object process(AnnotationInfo ctx, Object value) throws Exception {
    if (!ctx.isAnnotationPresent(Size.class)) {
        return value;
    }
    long minValue = ctx.getAnnotation(Size.class).min();
    if(minValue < 0 ) {
        minValue = 0;
    }
    long maxValue = ctx.getAnnotation(Size.class).max();
    if( maxValue > 10000 ){
        maxValue = 10000;
    }
    if (Number.class.isAssignableFrom(value.getClass())) {
        return range(String.valueOf(minValue), String.valueOf(maxValue), value.getClass());
    } else if (value instanceof String) {
        return RandomStringUtils.randomAlphanumeric((int) minValue, (int) maxValue);
    }
    return value;
}