本文整理了Java中org.ff4j.utils.Util.assertHasLength()方法的一些代码示例，展示了Util.assertHasLength()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.assertHasLength()方法的具体详情如下：
包路径：org.ff4j.utils.Util
类名称：Util
方法名：assertHasLength

Util.assertHasLength介绍

[英]Check that string is not null
[中]检查字符串是否为空

代码示例

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public boolean existProperty(String name) {
  Util.assertHasLength(name);
  return properties.containsKey(name);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public boolean existGroup(String groupName) {
  assertHasLength(groupName);
  return featureGroups.containsKey(groupName);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public boolean exist(String uid) {
  assertHasLength(uid);
  return featuresMap.containsKey(uid);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void clear() {
  Util.assertHasLength(url);
  Response cRes = ClientHttpUtils.invokePostMethod(
      getJerseyClient().target(url)
      .path(RESOURCE_STORE)
      .path(STORE_CLEAR),authorizationHeaderValue);
  if (Status.OK.getStatusCode() != cRes.getStatus()) {
    throw new FeatureAccessException("Cannot clear feature store - " + cRes.getStatus());
  }
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public void grantRoleOnFeature(String uid, String roleName) {
  assertFeatureExist(uid);
  assertHasLength(roleName);
  featuresMap.get(uid).getPermissions().add(roleName);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void enable(String uid) {
  Util.assertHasLength(uid);
  Response cRes = ClientHttpUtils.invokePostMethod(
      getStore().path(uid).path(OPERATION_ENABLE), authorizationHeaderValue);
  if (Status.NOT_FOUND.getStatusCode() == cRes.getStatus()) {
    throw new FeatureNotFoundException(uid);
  }
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public void deleteProperty(String name) {
  Util.assertHasLength(name);
  Response cRes = ClientHttpUtils.invokeDeleteMethod(getStore().path(name), authorization);
  if (Status.NOT_FOUND.getStatusCode() == cRes.getStatus()) {
    throw new PropertyNotFoundException(name);
  }
  if (Status.NO_CONTENT.getStatusCode() != cRes.getStatus()) {
    throw new PropertyAccessException("Cannot delete property, an HTTP error " + cRes.getStatus() + OCCURED);
  }
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public Event getEventByUUID(String uuid, Long timestamp) {
  Util.assertHasLength(uuid);
  List < Event > evts = getJdbcTemplate().query(
      getQueryBuilder().getEventByUuidQuery(), EVENT_ROWMAPPER, uuid);
  return (!evts.isEmpty()) ? evts.get(0) : null;
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public boolean existProperty(String name) {
  Util.assertHasLength(name);
  Map < String, Object > queryParameters = new HashMap<>();
  queryParameters.put("name", name);
  Result result = graphDb.execute(QUERY_CYPHER_EXISTS_PROPERTY,  queryParameters);
  Object count = null;
  if (result.hasNext()) {
    count = result.next().get(QUERY_CYPHER_ALIAS);
  }
  return (null != count) && (((long) count) > 0);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public boolean existProperty(String name) {
  Util.assertHasLength(name);
  return conf().containsKey(name);
}

代码示例来源：origin: ff4j/ff4j

/**
 * Check that current feature does not exist.
 *
 * @param uid
 *      current feature identifier.s
 */
protected void assertPropertyNotExist(String uid) {
  Util.assertHasLength(uid);
  if (existProperty(uid)) {
    throw new PropertyAlreadyExistException(uid);
  }
}

代码示例来源：origin: ff4j/ff4j

/**
 * Check that current feature does not exist.
 *
 * @param uid
 *      current feature identifier.s
 */
protected void assertFeatureNotExist(String uid) {
  Util.assertHasLength(uid);
  if (exist(uid)) {
    throw new FeatureAlreadyExistException(uid);
  }
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public boolean existProperty(String name) {
  Util.assertHasLength(name);
  return getPropertyBucket().exists(name);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void grantRoleOnFeature(String uid, String roleName) {
  Util.assertHasLength(roleName);
  assertFeatureExist(uid);
  Feature f = read(uid);
  f.getPermissions().add(roleName);
  update(f);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void removeRoleFromFeature(String uid, String roleName) {
  Util.assertHasLength(roleName);
  assertFeatureExist(uid);
  Feature f = read(uid);
  f.getPermissions().remove(roleName);
  update(f);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public boolean existProperty(String name) {
  Util.assertHasLength(name);
  return 1 == getPropertiesCollection().count(BUILDER.getName(name));
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void removeFromGroup(String uid, String groupName) {
  Util.assertHasLength(groupName);
  assertFeatureExist(uid);
  Feature f = readGroup(groupName).get(uid);
  if (f != null) {
    f.setGroup(null);
    update(f);
  }
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
public void deleteProperty(String name) {
  Util.assertHasLength(name);
  if (!existProperty(name)) {
    throw new PropertyNotFoundException(name);
  }
  getJdbcTemplate().update(getQueryBuilder().deleteProperty(), name);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void grantRoleOnFeature(String uid, String roleName) {
  assertFeatureExist(uid);
  assertHasLength(roleName);
  update(getQueryBuilder().addRoleToFeature(), uid, roleName);
}

代码示例来源：origin: ff4j/ff4j

/** {@inheritDoc} */
@Override
public void grantRoleOnFeature(String flipId, String roleName) {
  assertFeatureExist(flipId);
  Util.assertHasLength(roleName);
  Feature feature = read(flipId);
  feature.getPermissions().add(roleName);
  getConnection().execute(getBuilder().queryUpdateFeature(feature));
}