content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.core.namespace.filter;
  
  import com.alibaba.nacos.core.config.AbstractDynamicConfig;
  import com.alibaba.nacos.sys.env.EnvUtil;
  
  /**
   * The type Namespace validation config, default is disable.
   *
   * @author FangYuan
   * @since 2025-08-13 13:33:16
   */
  public class NamespaceValidationConfig extends AbstractDynamicConfig {
  
      private static final String NAMESPACE_VALIDATION = "NamespaceValidation";
  
      private static final NamespaceValidationConfig INSTANCE = new NamespaceValidationConfig();
  
      private boolean namespaceValidationEnabled = true;
  
      protected NamespaceValidationConfig() {
          super(NAMESPACE_VALIDATION);
          resetConfig();
      }
  
      public static NamespaceValidationConfig getInstance() {
          return INSTANCE;
      }
  
      @Override
      protected void getConfigFromEnv() {
          namespaceValidationEnabled = EnvUtil.getProperty("nacos.core.namespace.validation.enabled", Boolean.class, false);
      }
  
      public boolean isNamespaceValidationEnabled() {
          return namespaceValidationEnabled;
      }
  
      @Override
      protected String printConfig() {
          return "NamespaceValidationConfig{" + "namespaceValidationEnabled=" + namespaceValidationEnabled + "}";
      }
  }