java-design-patterns/execute-around/src/main/java/com/iluwatar/execute/around/SimpleFileWriter.java

/*
 * The MIT License
 * Copyright © 2014-2021 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.iluwatar.execute.around;

import java.io.FileWriter;
import java.io.IOException;

import lombok.extern.slf4j.Slf4j;

/**
 * SimpleFileWriter handles opening and closing file for the user. The user only has to specify what
 * to do with the file resource through {@link FileWriterAction} parameter.
 */
@Slf4j
public class SimpleFileWriter {

  /**
   * Constructor.
   */
  public SimpleFileWriter(String filename, FileWriterAction action) throws IOException {
    LOGGER.info("Opening the file");
    try (var writer = new FileWriter(filename)) {
      LOGGER.info("Executing the action");
      action.writeFile(writer);
      LOGGER.info("Closing the file");
    }
  }
}