content: /*
  *  Copyright Beijing 58 Information Technology Co.,Ltd.
  *
  *  Licensed to the Apache Software Foundation (ASF) under one
  *  or more contributor license agreements.  See the NOTICE file
  *  distributed with this work for additional information
  *  regarding copyright ownership.  The ASF licenses this file
  *  to you 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.bj58.argo.client;
  
  import com.google.inject.ImplementedBy;
  
  import javax.inject.Singleton;
  
  /**
   * 从queryString或者form过来的参数进行安全清洗
   * 开发者可以自己重新注入 SafeParameter 的实现，来实现适合自己的安全参数
   *
   */
  @ImplementedBy(SafeParameter.DefaultSafeParameter.class)
  public interface SafeParameter {
  
      /**
       * 将原始参数值安全编码后返回
       *
       * @param parameterValue 原始参数值
       * @return 安全参数值
       */
      String encoding(String parameterValue);
  
      @Singleton
      public static class DefaultSafeParameter implements SafeParameter {
  
          @Override
          public String encoding(String parameterValue) {
              return parameterValue;
          }
      }
  
  }
  