content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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.apache.causeway.applib.services.metamodel;
  
  import java.util.List;
  import java.util.stream.Collectors;
  import java.util.stream.Stream;
  
  import org.apache.causeway.commons.internal.collections._Lists;
  
  import lombok.experimental.UtilityClass;
  
  @UtilityClass
  class _CsvExport {
  
      StringBuilder toCsv(DomainModel domainModel) {
          return asBuf(asList(domainModel));
      }
  
      // -- HELPER
  
      private StringBuilder asBuf(final List<String> list) {
          final StringBuilder buf = new StringBuilder();
          for (final String row : list) {
              buf.append(row).append("\n");
          }
          return buf;
      }
  
      private List<String> asList(final DomainModel model) {
          final List<String> list = _Lists.newArrayList();
          list.add(header());
          for (final DomainMember row : model.getDomainMembers()) {
              list.add(asTextCsv(row));
          }
          return list;
      }
  
      private String header() {
          return "classType,logicalTypeName,className,packageName,memberType,memberName,numParams,mixedIn?,mixin,hidden,disabled,choices,autoComplete,default,validate";
      }
  
      private String asTextCsv(final DomainMember row) {
          return Stream.of(
                  row.getClassType(),
                  row.getLogicalTypeName(),
                  row.getClassName(),
                  row.getPackageName(),
                  row.getType(),
                  row.getMemberName(),
                  row.getNumParams(),
                  row.isMixedIn() ? "Y" : "",
                  row.getMixin(),
                  row.getHidden(),
                  row.getDisabled(),
                  row.getChoices(),
                  row.getAutoComplete(),
                  row.getDefault(),
                  row.getValidate())
                  .collect(Collectors.joining(","));
      }
  
  }
  