Java tutorial
/* 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 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.BpmnModel; import org.activiti.bpmn.model.DataStoreReference; import org.apache.commons.lang3.StringUtils; /** * @author Tijs Rademakers */ public class DataStoreReferenceXMLConverter extends BaseBpmnXMLConverter { public Class<? extends BaseElement> getBpmnElementType() { return DataStoreReference.class; } @Override protected String getXMLElementName() { return ELEMENT_DATA_STORE_REFERENCE; } @Override protected BaseElement convertXMLToElement(XMLStreamReader xtr, BpmnModel model) throws Exception { DataStoreReference dataStoreRef = new DataStoreReference(); BpmnXMLUtil.addXMLLocation(dataStoreRef, xtr); parseChildElements(getXMLElementName(), dataStoreRef, model, xtr); return dataStoreRef; } @Override protected void writeAdditionalAttributes(BaseElement element, BpmnModel model, XMLStreamWriter xtw) throws Exception { DataStoreReference dataStoreRef = (DataStoreReference) element; if (StringUtils.isNotEmpty(dataStoreRef.getDataStoreRef())) { xtw.writeAttribute(ATTRIBUTE_DATA_STORE_REF, dataStoreRef.getDataStoreRef()); } if (StringUtils.isNotEmpty(dataStoreRef.getItemSubjectRef())) { xtw.writeAttribute(ATTRIBUTE_ITEM_SUBJECT_REF, dataStoreRef.getItemSubjectRef()); } } @Override protected void writeAdditionalChildElements(BaseElement element, BpmnModel model, XMLStreamWriter xtw) throws Exception { DataStoreReference dataStoreRef = (DataStoreReference) element; if (StringUtils.isNotEmpty(dataStoreRef.getDataState())) { xtw.writeStartElement(ELEMENT_DATA_STATE); xtw.writeCharacters(dataStoreRef.getDataState()); xtw.writeEndElement(); } } }