コード例 #1
0
 public boolean accept(File f) {
   if (f == null) {
     return false;
   }
   if (f.isDirectory()) {
     return true;
   }
   return pattern.matcher(f.getName()).matches();
 }
コード例 #2
0
    public void setPattern(String globPattern) {
      char[] gPat = globPattern.toCharArray();
      char[] rPat = new char[gPat.length * 2];
      boolean isWin32 = (File.separatorChar == '\\');
      boolean inBrackets = false;
      int j = 0;

      this.globPattern = globPattern;

      if (isWin32) {
        // On windows, a pattern ending with *.* is equal to ending with *
        int len = gPat.length;
        if (globPattern.endsWith("*.*")) {
          len -= 2;
        }
        for (int i = 0; i < len; i++) {
          switch (gPat[i]) {
            case '*':
              rPat[j++] = '.';
              rPat[j++] = '*';
              break;

            case '?':
              rPat[j++] = '.';
              break;

            case '\\':
              rPat[j++] = '\\';
              rPat[j++] = '\\';
              break;

            default:
              if ("+()^$.{}[]".indexOf(gPat[i]) >= 0) {
                rPat[j++] = '\\';
              }
              rPat[j++] = gPat[i];
              break;
          }
        }
      } else {
        for (int i = 0; i < gPat.length; i++) {
          switch (gPat[i]) {
            case '*':
              if (!inBrackets) {
                rPat[j++] = '.';
              }
              rPat[j++] = '*';
              break;

            case '?':
              rPat[j++] = inBrackets ? '?' : '.';
              break;

            case '[':
              inBrackets = true;
              rPat[j++] = gPat[i];

              if (i < gPat.length - 1) {
                switch (gPat[i + 1]) {
                  case '!':
                  case '^':
                    rPat[j++] = '^';
                    i++;
                    break;

                  case ']':
                    rPat[j++] = gPat[++i];
                    break;
                }
              }
              break;

            case ']':
              rPat[j++] = gPat[i];
              inBrackets = false;
              break;

            case '\\':
              if (i == 0 && gPat.length > 1 && gPat[1] == '~') {
                rPat[j++] = gPat[++i];
              } else {
                rPat[j++] = '\\';
                if (i < gPat.length - 1 && "*?[]".indexOf(gPat[i + 1]) >= 0) {
                  rPat[j++] = gPat[++i];
                } else {
                  rPat[j++] = '\\';
                }
              }
              break;

            default:
              // if ("+()|^$.{}<>".indexOf(gPat[i]) >= 0) {
              if (!Character.isLetterOrDigit(gPat[i])) {
                rPat[j++] = '\\';
              }
              rPat[j++] = gPat[i];
              break;
          }
        }
      }
      this.pattern = Pattern.compile(new String(rPat, 0, j), Pattern.CASE_INSENSITIVE);
    }