Review

finding-2

/mubench/checkouts/testng/677302c/build/src/main/java/org/testng/TestNGAntTask.java

fromURI(String)

class TestNGAntTask {
  private String fromURI(String uri) {
    URL url= null;
    try {
      url= new URL(uri);
    }
    catch(MalformedURLException murle) {
    }
    if((null == url) || !("file".equals(url.getProtocol()))) {
      throw new IllegalArgumentException("Can only handle valid file: URIs");
    }

    StringBuffer buf= new StringBuffer(url.getHost());
    if(buf.length() > 0) {
      buf.insert(0, File.separatorChar).insert(0, File.separatorChar);
    }

    String file= url.getFile();
    int queryPos= file.indexOf('?');
    buf.append((queryPos < 0) ? file : file.substring(0, queryPos));

    uri= buf.toString().replace('/', File.separatorChar);

    if((File.pathSeparatorChar == ';') && uri.startsWith("\\") && (uri.length() > 2)
      && Character.isLetter(uri.charAt(1)) && (uri.lastIndexOf(':') > -1)) {
      uri= uri.substring(1);
    }

    StringBuffer sb= new StringBuffer();
    CharacterIterator iter= new StringCharacterIterator(uri);
    for(char c= iter.first(); c != CharacterIterator.DONE; c= iter.next()) {
      if(c == '%') {
        char c1= iter.next();
        if(c1 != CharacterIterator.DONE) {
          int i1= Character.digit(c1, 16);
          char c2= iter.next();
          if(c2 != CharacterIterator.DONE) {
            int i2= Character.digit(c2, 16);
            sb.append((char) ((i1 << 4) + i2));
          }
        }
      }
      else {
        sb.append(c);
      }
    }

    return sb.toString();
  }

}