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;
  
  import java.text.SimpleDateFormat;
  import java.util.List;
  import java.util.regex.Pattern;
  import javax.xml.stream.XMLStreamReader;
  import javax.xml.stream.XMLStreamWriter;
  import org.activiti.bpmn.converter.util.BpmnXMLUtil;
  import org.activiti.bpmn.model.BaseElement;
  import org.activiti.bpmn.model.BooleanDataObject;
  import org.activiti.bpmn.model.BpmnModel;
  import org.activiti.bpmn.model.DateDataObject;
  import org.activiti.bpmn.model.DoubleDataObject;
  import org.activiti.bpmn.model.ExtensionElement;
  import org.activiti.bpmn.model.IntegerDataObject;
  import org.activiti.bpmn.model.ItemDefinition;
  import org.activiti.bpmn.model.LongDataObject;
  import org.activiti.bpmn.model.StringDataObject;
  import org.activiti.bpmn.model.ValuedDataObject;
  import org.apache.commons.lang3.StringUtils;
  
  /**
  
  
   */
  public class ValuedDataObjectXMLConverter extends BaseBpmnXMLConverter {
  
      private final Pattern xmlChars = Pattern.compile("[<>&]");
      private SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
      protected boolean didWriteExtensionStartElement = false;
  
      public Class<? extends BaseElement> getBpmnElementType() {
          return ValuedDataObject.class;
      }
  
      @Override
      protected String getXMLElementName() {
          return ELEMENT_DATA_OBJECT;
      }
  
      @Override
      protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception {
          ValuedDataObject dataObject = null;
          ItemDefinition itemSubjectRef = new ItemDefinition();
  
          String structureRef = xtr.getAttributeValue(null, ATTRIBUTE_DATA_ITEM_REF);
          if (StringUtils.isNotEmpty(structureRef) && structureRef.contains(":")) {
              String dataType = structureRef.substring(structureRef.indexOf(':') + 1);
  
              if (dataType.equals("string")) {
                  dataObject = new StringDataObject();
              } else if (dataType.equals("int")) {
                  dataObject = new IntegerDataObject();
              } else if (dataType.equals("long")) {
                  dataObject = new LongDataObject();
              } else if (dataType.equals("double")) {
                  dataObject = new DoubleDataObject();
              } else if (dataType.equals("boolean")) {
                  dataObject = new BooleanDataObject();
              } else if (dataType.equals("datetime")) {
                  dataObject = new DateDataObject();
              } else {
                  LOGGER.error(
                      "Error converting {}, invalid data type: " + dataType,
                      xtr.getAttributeValue(null, ATTRIBUTE_DATA_NAME)
                  );
              }
          } else {
              // use String as default type
              dataObject = new StringDataObject();
              structureRef = "xsd:string";
          }
  
          if (dataObject != null) {
              dataObject.setId(xtr.getAttributeValue(null, ATTRIBUTE_DATA_ID));
              dataObject.setName(xtr.getAttributeValue(null, ATTRIBUTE_DATA_NAME));
  
              BpmnXMLUtil.addXMLLocation(dataObject, xtr);
  
              itemSubjectRef.setStructureRef(structureRef);
              dataObject.setItemSubjectRef(itemSubjectRef);
  
              parseChildElements(getXMLElementName(), dataObject, model, xtr);
  
              List<ExtensionElement> valuesElement = dataObject.getExtensionElements().get("value");
              if (valuesElement != null && !valuesElement.isEmpty()) {
                  ExtensionElement valueElement = valuesElement.get(0);
                  if (StringUtils.isNotEmpty(valueElement.getElementText())) {
                      if (dataObject instanceof DateDataObject) {
                          try {
                              dataObject.setValue(sdf.parse(valueElement.getElementText()));
                          } catch (Exception e) {
                              LOGGER.error("Error converting {}", dataObject.getName(), e.getMessage());
                          }
                      } else {
                          dataObject.setValue(valueElement.getElementText());
                      }
                  }
  
                  // remove value element
                  dataObject.getExtensionElements().remove("value");
              }
          }
  
          return dataObject;
      }
  
      @Override
      protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {
          ValuedDataObject dataObject = (ValuedDataObject) element;
          if (
              dataObject.getItemSubjectRef() != null &&
              StringUtils.isNotEmpty(dataObject.getItemSubjectRef().getStructureRef())
          ) {
              writeDefaultAttribute(ATTRIBUTE_DATA_ITEM_REF, dataObject.getItemSubjectRef().getStructureRef(), xtw);
          }
      }
  
      @Override
      protected boolean writeExtensionChildElements(
          BaseElement element,
          boolean didWriteExtensionStartElement,
          XMLStreamWriter xtw
      ) throws Exception {
          ValuedDataObject dataObject = (ValuedDataObject) element;
  
          if (StringUtils.isNotEmpty(dataObject.getId()) && dataObject.getValue() != null) {
              if (!didWriteExtensionStartElement) {
                  xtw.writeStartElement(ELEMENT_EXTENSIONS);
                  didWriteExtensionStartElement = true;
              }
  
              xtw.writeStartElement(ACTIVITI_EXTENSIONS_PREFIX, ELEMENT_DATA_VALUE, ACTIVITI_EXTENSIONS_NAMESPACE);
              if (dataObject.getValue() != null) {
                  String value = null;
                  if (dataObject instanceof DateDataObject) {
                      value = sdf.format(dataObject.getValue());
                  } else {
                      value = dataObject.getValue().toString();
                  }
  
                  if (dataObject instanceof StringDataObject && xmlChars.matcher(value).find()) {
                      xtw.writeCData(value);
                  } else {
                      xtw.writeCharacters(value);
                  }
              }
              xtw.writeEndElement();
          }
  
          return didWriteExtensionStartElement;
      }
  
      @Override
      protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw)
          throws Exception {}
  }
  