/*
    *    Copyright 2009-2022 the original author or authors.
    *
    *    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
    *
    *       https://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 org.apache.ibatis.scripting.xmltags;
  
  import org.apache.ibatis.builder.SqlSourceBuilder;
  import org.apache.ibatis.mapping.BoundSql;
  import org.apache.ibatis.mapping.SqlSource;
  import org.apache.ibatis.session.Configuration;
  
  /**
   * @author Clinton Begin
   */
  public class DynamicSqlSource implements SqlSource {
  
    private final Configuration configuration;
    private final SqlNode rootSqlNode;
  
    public DynamicSqlSource(Configuration configuration, SqlNode rootSqlNode) {
      this.configuration = configuration;
      this.rootSqlNode = rootSqlNode;
    }
  
    @Override
    public BoundSql getBoundSql(Object parameterObject) {
      DynamicContext context = new DynamicContext(configuration, parameterObject);
      rootSqlNode.apply(context);
      SqlSourceBuilder sqlSourceParser = new SqlSourceBuilder(configuration);
      Class<?> parameterType = parameterObject == null ? Object.class : parameterObject.getClass();
      SqlSource sqlSource = sqlSourceParser.parse(context.getSql(), parameterType, context.getBindings());
      BoundSql boundSql = sqlSource.getBoundSql(parameterObject);
      context.getBindings().forEach(boundSql::setAdditionalParameter);
      return boundSql;
    }
  
  }