code: /**
   * Copyright 2017 Alexey Ragozin
   *
   * 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.gridkit.util.formating;
  
  import java.io.IOException;
  
  /**
   * Common API for exporting data in text oriented tables.
   * Two common cases are CSV and ASCII table output.
   *
   * @author Alexey Ragozin (alexey.ragozin@gmail.com)
   *
   */
  public interface TableFormatter extends TabularDataSink {
  
      int colByName(String name);
  
      /**
       * Add column to table using default formating.
       */
      void addCol(String name);
  
      /**
       * Add column to table using default formating.
       */
      void addCol(String name, String displayName);
  
      /**
       * Add column to table using specific formating.
       * <p>
       * See {@link SimpleNumberFormatter} for details.
       */
      void addCol(String name, String displayName, String format);
  
      void sortNumeric(String colId, boolean desc);
  
      void sort(String colId, boolean desc);
  
      void format(Appendable out) throws IOException;
  }
  