/*
    *    Copyright 2009-2023 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.xml.XMLMapperEntityResolver;
  import org.apache.ibatis.executor.parameter.ParameterHandler;
  import org.apache.ibatis.mapping.BoundSql;
  import org.apache.ibatis.mapping.MappedStatement;
  import org.apache.ibatis.mapping.SqlSource;
  import org.apache.ibatis.parsing.PropertyParser;
  import org.apache.ibatis.parsing.XNode;
  import org.apache.ibatis.parsing.XPathParser;
  import org.apache.ibatis.scripting.LanguageDriver;
  import org.apache.ibatis.scripting.defaults.DefaultParameterHandler;
  import org.apache.ibatis.scripting.defaults.RawSqlSource;
  import org.apache.ibatis.session.Configuration;
  
  /**
   * @author Eduardo Macarron
   */
  public class XMLLanguageDriver implements LanguageDriver {
  
    @Override
    public ParameterHandler createParameterHandler(MappedStatement mappedStatement, Object parameterObject,
        BoundSql boundSql) {
      return new DefaultParameterHandler(mappedStatement, parameterObject, boundSql);
    }
  
    @Override
    public SqlSource createSqlSource(Configuration configuration, XNode script, Class<?> parameterType) {
      XMLScriptBuilder builder = new XMLScriptBuilder(configuration, script, parameterType);
      return builder.parseScriptNode();
    }
  
    @Override
    public SqlSource createSqlSource(Configuration configuration, String script, Class<?> parameterType) {
      // issue #3
      if (script.startsWith("<script>")) {
        XPathParser parser = new XPathParser(script, false, configuration.getVariables(), new XMLMapperEntityResolver());
        return createSqlSource(configuration, parser.evalNode("/script"), parameterType);
      }
      // issue #127
      script = PropertyParser.parse(script, configuration.getVariables());
      TextSqlNode textSqlNode = new TextSqlNode(script);
      if (textSqlNode.isDynamic()) {
        return new DynamicSqlSource(configuration, textSqlNode);
      } else {
        return new RawSqlSource(configuration, script, parameterType);
      }
    }
  
  }