code: package swing.common;
  
  import org.apache.commons.io.FilenameUtils;
  import org.apache.commons.lang3.ArrayUtils;
  import org.apache.commons.lang3.StringUtils;
  
  import javax.swing.filechooser.FileFilter;
  import java.io.File;
  import java.time.LocalDate;
  
  public class TextFileFilter extends FileFilter {
  
      private String description = "Text File include URL(*.txt,*.md)";
      private String[] exts;
      private CharSequence[] containStrs;
  
      public TextFileFilter(String description,String[] extensions,CharSequence... searchCharSequences){
          this.description = description;
          exts = extensions;
          containStrs = searchCharSequences;
          if (ArrayUtils.isEmpty(containStrs)) {
              containStrs = new String[]{""};
          }
      }
  
      @Override
      public boolean accept(File f) {
  
          if (f.isDirectory()) {
              return true;
          }
  
          String name = f.getName();
          String extension = FilenameUtils.getExtension(name);
  
          if (StringUtils.equalsAnyIgnoreCase(extension, exts) && StringUtils.containsAny(name,containStrs)) {
              return true;
          }
  
          return false;
      }
  
      @Override
      public String getDescription() {
          return description;
      }
  
      public java.io.FileFilter getFileNameFilter(){
          java.io.FileFilter filter = pathname -> {
  
              if (pathname.isDirectory()) {
                  return false;
              }
  
              String name = pathname.getName();
              String extension = FilenameUtils.getExtension(name);
  
              if (StringUtils.equalsAnyIgnoreCase(extension, exts) && StringUtils.containsAny(name,containStrs)) {
                  if (!StringUtils.contains(name, LocalDate.now().toString())) {
                      return true;
                  }
              }
  
              return false;
          };
          return filter;
      }
  }
  