content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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.activiti.bpmn.converter.child.multi.instance;
  
  import static java.util.Arrays.asList;
  
  import java.util.List;
  import javax.xml.stream.XMLStreamReader;
  import org.activiti.bpmn.converter.child.BaseChildElementParser;
  import org.activiti.bpmn.converter.child.ElementParser;
  import org.activiti.bpmn.converter.util.BpmnXMLUtil;
  import org.activiti.bpmn.model.Activity;
  import org.activiti.bpmn.model.BaseElement;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.MultiInstanceLoopCharacteristics;
  
  public class MultiInstanceParser extends BaseChildElementParser {
  
      private final List<ElementParser<MultiInstanceLoopCharacteristics>> multiInstanceElementParsers;
  
      public MultiInstanceParser() {
          this(
              asList(
                  new LoopCardinalityParser(),
                  new MultiInstanceDataInputParser(),
                  new MultiInstanceInputDataItemParser(),
                  new MultiInstanceCompletionConditionParser(),
                  new LoopDataOutputRefParser(),
                  new MultiInstanceOutputDataItemParser(),
                  new MultiInstanceAttributesParser()
              )
          );
      }
  
      public MultiInstanceParser(List<ElementParser<MultiInstanceLoopCharacteristics>> multiInstanceElementParsers) {
          this.multiInstanceElementParsers = multiInstanceElementParsers;
      }
  
      public String getElementName() {
          return ELEMENT_MULTIINSTANCE;
      }
  
      public void parseChildElement(XMLStreamReader xtr, BaseElement parentElement, BpmnModel model) throws Exception {
          if (!(parentElement instanceof Activity)) {
              return;
          }
          MultiInstanceLoopCharacteristics multiInstanceDef = new MultiInstanceLoopCharacteristics();
          BpmnXMLUtil.addXMLLocation(multiInstanceDef, xtr);
  
          parseMultiInstanceProperties(xtr, multiInstanceDef);
  
          ((Activity) parentElement).setLoopCharacteristics(multiInstanceDef);
      }
  
      private void parseMultiInstanceProperties(XMLStreamReader xtr, MultiInstanceLoopCharacteristics multiInstanceDef) {
          boolean readyWithMultiInstance = false;
          try {
              do {
                  ElementParser<MultiInstanceLoopCharacteristics> matchingParser = multiInstanceElementParsers
                      .stream()
                      .filter(elementParser -> elementParser.canParseCurrentElement(xtr))
                      .findFirst()
                      .orElse(null);
                  if (matchingParser != null) {
                      matchingParser.setInformation(xtr, multiInstanceDef);
                  }
                  if (xtr.isEndElement() && getElementName().equalsIgnoreCase(xtr.getLocalName())) {
                      readyWithMultiInstance = true;
                  }
                  if (xtr.hasNext()) {
                      xtr.next();
                  }
              } while (!readyWithMultiInstance && xtr.hasNext());
          } catch (Exception e) {
              LOGGER.warn("Error parsing multi instance definition", e);
          }
      }
  }
  