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.calcite.util.format.postgresql.format;
  
  import org.apache.calcite.util.format.postgresql.CapitalizationEnum;
  import org.apache.calcite.util.format.postgresql.PatternModifier;
  import org.apache.calcite.util.format.postgresql.format.compiled.CompiledPattern;
  import org.apache.calcite.util.format.postgresql.format.compiled.MonthCompiledPattern;
  
  import java.time.format.TextStyle;
  import java.util.Set;
  
  /**
   * The date/time format component for a text representation of a month.
   */
  public class MonthFormatPattern extends FormatPattern {
    private final CapitalizationEnum capitalization;
    private final TextStyle textStyle;
  
    public MonthFormatPattern(String pattern) {
      super(pattern);
      switch (pattern) {
      case "MONTH":
        capitalization = CapitalizationEnum.ALL_UPPER;
        textStyle = TextStyle.FULL;
        break;
      case "Month":
        capitalization = CapitalizationEnum.CAPITALIZED;
        textStyle = TextStyle.FULL;
        break;
      case "month":
        capitalization = CapitalizationEnum.ALL_LOWER;
        textStyle = TextStyle.FULL;
        break;
      case "MON":
        capitalization = CapitalizationEnum.ALL_UPPER;
        textStyle = TextStyle.SHORT;
        break;
      case "Mon":
        capitalization = CapitalizationEnum.CAPITALIZED;
        textStyle = TextStyle.SHORT;
        break;
      default:
        capitalization = CapitalizationEnum.ALL_LOWER;
        textStyle = TextStyle.SHORT;
        break;
      }
    }
  
    @Override protected CompiledPattern buildCompiledPattern(Set<PatternModifier> modifiers) {
      return new MonthCompiledPattern(modifiers, capitalization, textStyle);
    }
  }
  