filelistfilter.java

来自「Java Classic Examples是我买的两本书：《JAVA经典实例》和」· Java 代码 · 共 30 行

import java.io.*;                            // For FilenameFilter
import java.util.Date;                       // For the Date class

public class FileListFilter implements FilenameFilter
{
  private String name;                 // File name filter
  private String extension;            // File extension filter

  // Constructor 
  public FileListFilter(String name, String extension)
  {
    this.name = name;
    this.extension = extension;
  }

  public boolean accept(File directory, String filename)
  {
    boolean fileOK = true;

    // If there is a name filter specified, check the file name
    if(name != null)
      fileOK &= filename.startsWith(name);

    // If there is an extension filter, check the file extension
    if(extension != null)
      fileOK &= filename.endsWith('.' + extension);
    return fileOK;
  }
}