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.ui.modeler.service; import org.apache.commons.lang3.StringUtils; import org.flowable.editor.dmn.converter.DmnJsonConverterUtil; import org.flowable.ui.common.service.exception.InternalServerErrorException; import org.flowable.ui.modeler.domain.Model; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; /** * @author Yvo Swillens */ public class DecisionTableModelConversionUtil { private static final Logger LOGGER = LoggerFactory.getLogger(FlowableDecisionTableService.class); public static Model convertModel(Model decisionTableModel) { if (StringUtils.isNotEmpty(decisionTableModel.getModelEditorJson())) { try { ObjectMapper objectMapper = new ObjectMapper(); JsonNode decisionTableNode = objectMapper.readTree(decisionTableModel.getModelEditorJson()); DmnJsonConverterUtil.migrateModel(decisionTableNode, objectMapper); // replace editor json decisionTableModel.setModelEditorJson(decisionTableNode.toString()); } catch (Exception e) { throw new InternalServerErrorException(String.format( "Error converting decision table %s to new model version", decisionTableModel.getName())); } } return decisionTableModel; } public static Model convertModelToV3(Model decisionTableModel) { if (StringUtils.isNotEmpty(decisionTableModel.getModelEditorJson())) { try { ObjectMapper objectMapper = new ObjectMapper(); JsonNode decisionTableNode = objectMapper.readTree(decisionTableModel.getModelEditorJson()); DmnJsonConverterUtil.migrateModelV3(decisionTableNode, objectMapper); // replace editor json decisionTableModel.setModelEditorJson(decisionTableNode.toString()); } catch (Exception e) { throw new InternalServerErrorException( String.format("Error converting decision table %s to new model version", decisionTableModel.getName()), e); } } return decisionTableModel; } }