AbstractFileSupport.java

/*
 *  Copyright 2011 Uwe Krueger.
 *
 *  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 com.mandelsoft.io;

/**
 *
 * @author Uwe Krüger
 */

public abstract class AbstractFileSupport implements AbstractFile {
  protected long lastModified;

  protected AbstractFileSupport()
  {
  }

  protected AbstractFileSupport(long lastModified)
  {
    this.lastModified=lastModified;
  }


  public long getLastModified()
  {
    if (lastModified==0) {
      lastModified=_getLastModified();
    }
    return lastModified;
  }

  protected abstract long _getLastModified();
}