/*
    * (c) Copyright 2006-2020 by rapiddweller GmbH & Volker Bergmann. All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, is permitted under the terms of the
    * GNU General Public License.
    *
    * For redistributing this software or a derivative work under a license other
    * than the GPL-compatible Free Software License as defined by the Free
   * Software Foundation or approved by OSI, you must first obtain a commercial
   * license to this software product from rapiddweller GmbH & Volker Bergmann.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
   * REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
   * HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  package com.rapiddweller.benerator.engine.parser.xml;
  
  import com.rapiddweller.benerator.engine.Statement;
  import com.rapiddweller.benerator.engine.statement.CascadeParent;
  import com.rapiddweller.benerator.engine.statement.CascadeStatement;
  import com.rapiddweller.benerator.engine.statement.MutatingTypeExpression;
  import com.rapiddweller.benerator.engine.statement.TranscodeStatement;
  import com.rapiddweller.common.ArrayUtil;
  import com.rapiddweller.common.CollectionUtil;
  import com.rapiddweller.common.xml.XMLUtil;
  import org.w3c.dom.Element;
  
  import java.util.Set;
  
  import static com.rapiddweller.benerator.engine.DescriptorConstants.ATT_REF;
  import static com.rapiddweller.benerator.engine.DescriptorConstants.EL_ATTRIBUTE;
  import static com.rapiddweller.benerator.engine.DescriptorConstants.EL_CASCADE;
  import static com.rapiddweller.benerator.engine.DescriptorConstants.EL_ID;
  import static com.rapiddweller.benerator.engine.DescriptorConstants.EL_REFERENCE;
  
  /**
   * Parses &lt;cascade ref="..."&gt; descriptors.<br/><br/>
   * Created: 18.04.2011 08:27:48
   *
   * @author Volker Bergmann
   * @since 0.6.6
   */
  public class CascadeParser extends AbstractBeneratorDescriptorParser {
  
    private static final Set<String> MEMBER_ELEMENTS = CollectionUtil.toSet(
        EL_ID, EL_ATTRIBUTE, EL_REFERENCE);
  
    /**
     * Instantiates a new Cascade parser.
     */
    public CascadeParser() {
      super(EL_CASCADE, CollectionUtil.toSet(ATT_REF), null,
          TranscodeStatement.class, CascadeStatement.class);
    }
  
    @Override
    public Statementcom/rapiddweller/benerator/engine/Statement.html#Statement">Statement doParse(Element element, Statement[] parentPath,
                             BeneratorParseContext context) {
      CascadeParent./../../../com/rapiddweller/benerator/engine/statement/CascadeParent.html#CascadeParent">CascadeParent parent = (CascadeParent) ArrayUtil.lastElementOf(parentPath);
      String ref = getRequiredAttribute("ref", element);
      CascadeStatemente/statement/CascadeStatement.html#CascadeStatement">CascadeStatement result = new CascadeStatement(ref, new MutatingTypeExpression(element, null), parent);
      Statement[] currentPath = context.createSubPath(parentPath, result);
      for (Element child : XMLUtil.getChildElements(element)) {
        String childName = child.getNodeName();
        if (!MEMBER_ELEMENTS.contains(childName)) {
          result.addSubStatement(context.parseChildElement(child, currentPath));
        }
        // The 'component' child elements (id, attribute, reference) are handled by the MutatingTypeExpression
      }
      return result;
    }
  
  }