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.flowable.bpmn.converter.child; import javax.xml.stream.XMLStreamReader; import org.apache.commons.lang3.StringUtils; import org.flowable.bpmn.model.BaseElement; import org.flowable.bpmn.model.BpmnModel; import org.flowable.bpmn.model.CallActivity; import org.flowable.bpmn.model.CaseServiceTask; import org.flowable.bpmn.model.IOParameter; public class InParameterParser extends BaseChildElementParser { @Override public String getElementName() { return ELEMENT_IN_PARAMETERS; } @Override public void parseChildElement(XMLStreamReader xtr, BaseElement parentElement, BpmnModel model) throws Exception { String source = xtr.getAttributeValue(null, ATTRIBUTE_IOPARAMETER_SOURCE); String sourceExpression = xtr.getAttributeValue(null, ATTRIBUTE_IOPARAMETER_SOURCE_EXPRESSION); String target = xtr.getAttributeValue(null, ATTRIBUTE_IOPARAMETER_TARGET); if ((StringUtils.isNotEmpty(source) || StringUtils.isNotEmpty(sourceExpression)) && StringUtils.isNotEmpty(target)) { IOParameter parameter = new IOParameter(); if (StringUtils.isNotEmpty(sourceExpression)) { parameter.setSourceExpression(sourceExpression); } else { parameter.setSource(source); } parameter.setTarget(target); if (parentElement instanceof CallActivity) { ((CallActivity) parentElement).getInParameters().add(parameter); } else if (parentElement instanceof CaseServiceTask) { ((CaseServiceTask) parentElement).getInParameters().add(parameter); } } } }