org.apache.ibatis.builder.xml.XMLIncludeTransformer Maven / Gradle / Ivy

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The MyBatis SQL mapper framework makes it easier to use a relational database with object-oriented applications. MyBatis couples objects with stored procedures or SQL statements using a XML descriptor or annotations. Simplicity is the biggest advantage of the MyBatis data mapper over object relational mapping tools.

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/*
 * Copyright 2012 MyBatis.org.
 *
 * 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 org.apache.ibatis.builder.xml;

import org.apache.ibatis.builder.IncompleteElementException;
import org.apache.ibatis.builder.MapperBuilderAssistant;
import org.apache.ibatis.parsing.PropertyParser;
import org.apache.ibatis.parsing.XNode;
import org.apache.ibatis.session.Configuration;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * @author Frank D. Martinez [mnesarco]
 */
public class XMLIncludeTransformer {

  private final Configuration configuration;
  private final MapperBuilderAssistant builderAssistant;

  public XMLIncludeTransformer(Configuration configuration, MapperBuilderAssistant builderAssistant) {
    this.configuration = configuration;
    this.builderAssistant = builderAssistant;
  }

  public void applyIncludes(Node source) {
    if (source.getNodeName().equals("include")) {
      Node toInclude = findSqlFragment(getStringAttribute(source, "refid"));
      applyIncludes(toInclude);
      if (toInclude.getOwnerDocument() != source.getOwnerDocument()) {
        toInclude = source.getOwnerDocument().importNode(toInclude, true);
      }
      source.getParentNode().replaceChild(toInclude, source);
      while (toInclude.hasChildNodes()) {
        toInclude.getParentNode().insertBefore(toInclude.getFirstChild(), toInclude);
      }
      toInclude.getParentNode().removeChild(toInclude);
    } else if (source.getNodeType() == Node.ELEMENT_NODE) {
      NodeList children = source.getChildNodes();
      for (int i=0; i