content: /**
   * Copyright (C) 2011 K Venkata Sudhakar <kvenkatasudhakar@gmail.com>
   * 
   * 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 act.cli.ascii_table.spec;
  
  /*-
   * #%L
   * ACT Framework
   * %%
   * Copyright (C) 2014 - 2017 ActFramework
   * %%
   * 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.
   * #L%
   */
  
  
  import act.cli.ascii_table.ASCIITableHeader;
  
  import java.util.List;
  
  /**
   * An ASCII table interface for extracting the header, data
   * and formatted cell data.
   * 
   * @author K Venkata Sudhakar (kvenkatasudhakar@gmail.com)
   * @version 1.0
   *
   */
  public interface IASCIITableAware {
  
  	/**
  	 * Returns the list of headers to render.
  	 */
  	List<ASCIITableHeader> getHeaders();
  	
  	/**
  	 * Returns the data items to render. 
  	 */
  	List<List<Object>> getData();
  	
  	/**
  	 * Returns the formatted data item for a particular cell.
  	 * Return <null> if you don't want to format the data.
  	 * It uses String.valueOf(data) as cell value in that case.
  	 * 
  	 * @param header
  	 * @param data
  	 * @return
  	 */
  	String formatData(ASCIITableHeader header, int row, int col, Object data);
  	
  }
  