content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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 com.aliyun.fastmodel.transform.plantuml.parser.impl;
  
  import com.aliyun.fastmodel.core.tree.BaseStatement;
  import com.aliyun.fastmodel.core.tree.Comment;
  import com.aliyun.fastmodel.core.tree.expr.BaseExpression;
  import com.aliyun.fastmodel.core.tree.statement.indicator.CreateIndicator;
  import com.aliyun.fastmodel.transform.api.domain.indicator.IndicatorDataModel;
  import com.aliyun.fastmodel.transform.plantuml.exception.VisualParseException;
  import com.aliyun.fastmodel.transform.plantuml.parser.Fragment;
  import com.aliyun.fastmodel.transform.plantuml.parser.FragmentImpl;
  import com.aliyun.fastmodel.transform.plantuml.parser.FragmentParser;
  import com.aliyun.fastmodel.transform.template.BaseFmlTemplateFactory;
  import com.aliyun.fastmodel.transform.template.FmlTemplate;
  
  /**
   * Desc:
   *
   * @author panguanjing
   * @date 2020/9/21
   */
  public class IndicatorFragmentParser implements FragmentParser {
  
      private FmlTemplate fmlTemplate;
  
      public IndicatorFragmentParser() {
          fmlTemplate = BaseFmlTemplateFactory.getInstance().getTemplate("fragment/indicator.ftl");
      }
  
      @Override
      public Fragment parse(BaseStatement statement) throws VisualParseException {
          CreateIndicator createIndicatorStatement = (CreateIndicator)statement;
          IndicatorDataModel indicatorDataModel = new IndicatorDataModel();
          Comment comment = createIndicatorStatement.getComment();
          indicatorDataModel.setComment(comment != null ? comment.getComment() : null);
          indicatorDataModel.setDataType(createIndicatorStatement.getDataType().toString());
          indicatorDataModel.setIndicatorName(createIndicatorStatement.getIdentifier());
          BaseExpression indicatorExpr = createIndicatorStatement.getIndicatorExpr();
          if (indicatorExpr != null) {
              indicatorDataModel.setExpr(indicatorExpr.toString());
          }
          try {
              String process = fmlTemplate.process(indicatorDataModel);
              FragmentImpl fragment = new FragmentImpl();
              fragment.setContent(process);
              return fragment;
          } catch (Exception e) {
              throw new VisualParseException("process error:", e);
          }
      }
  }
  