pst/src/main/java/org/apache/wave/pst/style/Styler.java

/**
 * 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.wave.pst.style;

import java.io.File;

/**
 * Styles a source file.
 *
 * @author kalman@google.com (Benjamin Kalman)
 */
public interface Styler {

  /**
   * Styles a source file.
   *
   * @param f the file to style
   * @param saveBackup whether to save a backup
   */
  void style(File f, boolean saveBackup);

  /**
   * No-op implementation.
   */
  Styler EMPTY = new Styler() {
    @Override public void style(File f, boolean saveBackup) {}
  };
}