javax.validation.constraints.Positive Java Examples

@Override
public PropertyModel postProcessInternal(PropertyModel propertyModel) {
    Positive positiveAnno = propertyModel.getPropertyItem().getAnnotation(Positive.class);
    if (positiveAnno == null)  return propertyModel;

    propertyModel.setDescription(TextUtils.combine(
            propertyModel.getDescription(),
            " (值只能为正数，不包括0)"
    ));
    return propertyModel;
}
 

/**
 * Determine a number type's minimum (exclusive) value.
 *
 * @param member the field or method to check
 * @return specified exclusive minimum value (or null)
 * @see DecimalMin
 * @see Positive
 */
protected BigDecimal resolveNumberExclusiveMinimum(MemberScope<?, ?> member) {
    DecimalMin decimalMinAnnotation = this.getAnnotationFromFieldOrGetter(member, DecimalMin.class, DecimalMin::groups);
    if (decimalMinAnnotation != null && !decimalMinAnnotation.inclusive()) {
        return new BigDecimal(decimalMinAnnotation.value());
    }
    Positive positiveAnnotation = this.getAnnotationFromFieldOrGetter(member, Positive.class, Positive::groups);
    if (positiveAnnotation != null) {
        return BigDecimal.ZERO;
    }
    return null;
}
 

@GetMapping("/{message}")
public String validateParameters(
  @PathVariable("message") @Size(min = 5, max = 10) String message,
  @RequestParam("size") @Positive Long size) {

  return "Query parameters where valid";
}
 

@GetMapping("/messages")
public List<String> getMessages(@RequestParam("size") @Positive @Max(6) Integer size) {
  return List.of("Hello", "World", "Foo", "Bar", "Duke", "Spring")
    .stream()
    .limit(size)
    .collect(Collectors.toList());

}
 

@GetMapping("/apps/{appId}/envs/{env}/clusters/{clusterName}/namespaces/{namespaceName}/commits")
public List<CommitDTO> find(@PathVariable String appId, @PathVariable String env,
                            @PathVariable String clusterName, @PathVariable String namespaceName,
                            @Valid @PositiveOrZero(message = "page should be positive or 0") @RequestParam(defaultValue = "0") int page,
                            @Valid @Positive(message = "size should be positive number") @RequestParam(defaultValue = "10") int size) {
  if (permissionValidator.shouldHideConfigToCurrentUser(appId, env, namespaceName)) {
    return Collections.emptyList();
  }

  return commitService.find(appId, Env.valueOf(env), clusterName, namespaceName, page, size);
}
 

@GetMapping(value = "/apps/{appId}/envs/{env}/clusters/{clusterName}/namespaces/{namespaceName}/releases/all")
public List<ReleaseBO> findAllReleases(@PathVariable String appId,
                                       @PathVariable String env,
                                       @PathVariable String clusterName,
                                       @PathVariable String namespaceName,
                                       @Valid @PositiveOrZero(message = "page should be positive or 0") @RequestParam(defaultValue = "0") int page,
                                       @Valid @Positive(message = "size should be positive number") @RequestParam(defaultValue = "5") int size) {
  if (permissionValidator.shouldHideConfigToCurrentUser(appId, env, namespaceName)) {
    return Collections.emptyList();
  }

  return releaseService.findAllReleases(appId, Env.valueOf(env), clusterName, namespaceName, page, size);
}
 

@GetMapping(value = "/apps/{appId}/envs/{env}/clusters/{clusterName}/namespaces/{namespaceName}/releases/active")
public List<ReleaseDTO> findActiveReleases(@PathVariable String appId,
                                           @PathVariable String env,
                                           @PathVariable String clusterName,
                                           @PathVariable String namespaceName,
                                           @Valid @PositiveOrZero(message = "page should be positive or 0") @RequestParam(defaultValue = "0") int page,
                                           @Valid @Positive(message = "size should be positive number") @RequestParam(defaultValue = "5") int size) {

  if (permissionValidator.shouldHideConfigToCurrentUser(appId, env, namespaceName)) {
    return Collections.emptyList();
  }

  return releaseService.findActiveReleases(appId, Env.valueOf(env), clusterName, namespaceName, page, size);
}
 

/**
 * Sets the number of columns. If {@code null} value is passed, columns count will be determined
 * based on the {@code rows} parameter.
 *
 * @param cols positive integer or {@code null}
 */
@StudioProperty(name = "cols")
@Positive
public void setColumnsCount(Integer cols) {
    if (cols != null && cols <= 0) {
        throw new GuiDevelopmentException(
                "DynamicAttributesPanel element has incorrect value of the 'cols' attribute", this.id);
    }
    this.cols = cols;
}
 

/**
 * Sets the number of rows. This parameter will only be taken into account if {@code cols == null}.
 *
 * @param rows positive integer or {@code null}
 */
@StudioProperty(name = "rows")
@Positive
public void setRowsCount(Integer rows) {
    if (rows != null && rows <= 0) {
        throw new GuiDevelopmentException(
                "DynamicAttributesPanel element has incorrect value of the 'rows' attribute", this.id);
    }
    this.rows = rows;
}
 

@Positive(groups = Test.class)
public byte getPositiveOnGetterByte() {
    return positiveOnGetterByte;
}
 

private String resolveRange(Field field) {
	String min = Optional.ofNullable(field.getAnnotation(Min.class)).map((item) -> String.valueOf(item.value())).orElse(null);
	if (min == null) {
		min = Optional.ofNullable(field.getAnnotation(DecimalMin.class)).map(DecimalMin::value).orElse(null);
	}
	if (field.isAnnotationPresent(PositiveOrZero.class)) {
		if (min == null || new BigDecimal(min).compareTo(BigDecimal.ZERO) < 0) {
			min = "非负数";
		}
	}
	if (field.isAnnotationPresent(Positive.class)) {
		if (min == null || new BigDecimal(min).compareTo(BigDecimal.ZERO) <= 0) {
			min = "正数";
		}
	}
	min = min == null ? null : StrUtil.concat("最小值为", min);
	if (field.isAnnotationPresent(DecimalMin.class)) {
		if (!field.getAnnotation(DecimalMin.class).inclusive()) {
			min = min == null ? null : StrUtil.concat(min, "且不能等于最小值");
		}
	}
	String max = Optional.ofNullable(field.getAnnotation(Max.class)).map((item) -> String.valueOf(item.value())).orElse(null);
	if (max == null) {
		max = Optional.ofNullable(field.getAnnotation(DecimalMax.class)).map(DecimalMax::value).orElse(null);
	}
	if (field.isAnnotationPresent(NegativeOrZero.class)) {
		if (max == null || new BigDecimal(max).compareTo(BigDecimal.ZERO) > 0) {
			max = "非正数";
		}
	}
	if (field.isAnnotationPresent(Negative.class)) {
		if (max == null || new BigDecimal(min).compareTo(BigDecimal.ZERO) >= 0) {
			max = "负数";
		}
	}
	max = max == null ? null : StrUtil.concat("最大值为", max);
	if (field.isAnnotationPresent(DecimalMax.class)) {
		if (!field.getAnnotation(DecimalMax.class).inclusive()) {
			min = min == null ? null : StrUtil.concat(min, "且不能等于最大值");
		}
	}
	String digit = Optional.ofNullable(field.getAnnotation(Digits.class)).map((item) -> {
		String integer = String.valueOf(item.integer());
		String fraction = String.valueOf(item.fraction());
		return StrUtil.concat("整数位", integer, ",", "小数位", fraction);
	}).orElse(null);
	if (min == null && max == null && digit == null) {
		return null;
	}
	return StrUtil.join(",", min, max, digit);
}