Program: 20797
Project: 20797
Buggy source:
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  progress.getBroadcaster().addListener(this);
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  ArrayList<String> alllinks=new ArrayList<String>();
  String parameter=param.toString();
  this.setBrowserExclusive();
  br.getHeaders().put("String_Node_Str",RandomUserAgent.generate());
  if (parameter.matches(patternSupported_Info)) {
    br.getPage(parameter);
    if (br.getRedirectLocation() != null)     br.getPage(br.getRedirectLocation());
    String hosterlinks[]=br.getRegex("String_Node_Str").getColumn(0);
    String streamlinks[]=br.getRegex("String_Node_Str").getColumn(0);
    if ((hosterlinks == null || hosterlinks.length == 0) && (streamlinks == null || streamlinks.length == 0))     return null;
    if (hosterlinks != null && hosterlinks.length != 0) {
      logger.info("String_Node_Str" + hosterlinks.length + "String_Node_Str");
      for (      String hosterlink : hosterlinks) {
        alllinks.add(hosterlink);
      }
    }
    if (streamlinks != null && streamlinks.length != 0) {
      logger.info("String_Node_Str" + streamlinks.length + "String_Node_Str");
      for (      String streamlink : streamlinks) {
        alllinks.add(streamlink);
      }
    }
    logger.info("String_Node_Str" + alllinks.size() + "String_Node_Str");
    progress.setRange(alllinks.size());
    for (    String link : alllinks) {
      if (abort) {
        logger.info("String_Node_Str");
        progress.setColor(Color.RED);
        progress.setStatusText(progress.getStatusText() + "String_Node_Str" + JDL.L("String_Node_Str","String_Node_Str"));
        progress.doFinalize(5000l);
        return new ArrayList<DownloadLink>();
      }
      String golink="String_Node_Str" + link;
      br.getPage(golink);
      String finallink=br.getRedirectLocation();
      if (finallink == null)       return null;
      DownloadLink dl_link=createDownloadlink(finallink);
      dl_link.addSourcePluginPassword("String_Node_Str");
      decryptedLinks.add(dl_link);
      progress.increase(1);
    }
  }
 else {
    br.getPage(parameter);
    DownloadLink dl;
    if (br.getRedirectLocation().equalsIgnoreCase(parameter))     br.getPage(parameter);
    if (br.getRedirectLocation().equalsIgnoreCase(parameter))     return null;
    String url=br.getRedirectLocation();
    decryptedLinks.add(dl=createDownloadlink(url));
    dl.addSourcePluginPassword("String_Node_Str");
    dl.setUrlDownload(url);
  }
  return decryptedLinks;
}

Fixed version (ground truth):
public ArrayList<DownloadLink> decryptIt(CryptedLink param,ProgressController progress) throws Exception {
  try {
    progress.getBroadcaster().addListener(this);
  }
 catch (  Throwable e) {
  }
  ArrayList<DownloadLink> decryptedLinks=new ArrayList<DownloadLink>();
  ArrayList<String> alllinks=new ArrayList<String>();
  String parameter=param.toString();
  this.setBrowserExclusive();
  br.getHeaders().put("String_Node_Str",RandomUserAgent.generate());
  if (parameter.matches(patternSupported_Info)) {
    br.getPage(parameter);
    if (br.getRedirectLocation() != null)     br.getPage(br.getRedirectLocation());
    String hosterlinks[]=br.getRegex("String_Node_Str").getColumn(0);
    String streamlinks[]=br.getRegex("String_Node_Str").getColumn(0);
    if ((hosterlinks == null || hosterlinks.length == 0) && (streamlinks == null || streamlinks.length == 0))     return null;
    if (hosterlinks != null && hosterlinks.length != 0) {
      logger.info("String_Node_Str" + hosterlinks.length + "String_Node_Str");
      for (      String hosterlink : hosterlinks) {
        alllinks.add(hosterlink);
      }
    }
    if (streamlinks != null && streamlinks.length != 0) {
      logger.info("String_Node_Str" + streamlinks.length + "String_Node_Str");
      for (      String streamlink : streamlinks) {
        alllinks.add(streamlink);
      }
    }
    logger.info("String_Node_Str" + alllinks.size() + "String_Node_Str");
    progress.setRange(alllinks.size());
    for (    String link : alllinks) {
      if (abort) {
        logger.info("String_Node_Str");
        progress.setColor(Color.RED);
        progress.setStatusText(progress.getStatusText() + "String_Node_Str" + JDL.L("String_Node_Str","String_Node_Str"));
        progress.doFinalize(5000l);
        return new ArrayList<DownloadLink>();
      }
      String golink="String_Node_Str" + link;
      br.getPage(golink);
      String finallink=br.getRedirectLocation();
      if (finallink == null)       return null;
      DownloadLink dl_link=createDownloadlink(finallink);
      dl_link.addSourcePluginPassword("String_Node_Str");
      decryptedLinks.add(dl_link);
      progress.increase(1);
    }
  }
 else {
    br.getPage(parameter);
    DownloadLink dl;
    if (br.getRedirectLocation().equalsIgnoreCase(parameter))     br.getPage(parameter);
    if (br.getRedirectLocation().equalsIgnoreCase(parameter))     return null;
    String url=br.getRedirectLocation();
    decryptedLinks.add(dl=createDownloadlink(url));
    dl.addSourcePluginPassword("String_Node_Str");
    dl.setUrlDownload(url);
  }
  return decryptedLinks;
}