Program: 139686
Project: 139686
Buggy source:
protected ImageDescriptor decorateImage(ImageDescriptor input,Object element){
  if (element instanceof IFile) {
    IFile file=(IFile)element;
    if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.PATTERN)) {
      Pattern findPattern=PatternResourceFileHelper.getInstance().findPattern(file);
      ImageDescriptor imageDescriptor=ImageLib.getImageDescriptor(ImageLib.PATTERN_REG);
      if (findPattern != null) {
        boolean validStatus=TaggedValueHelper.getValidStatus(findPattern);
        if (!validStatus) {
          ImageDescriptor warnImg=PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJS_WARN_TSK);
          DecorationOverlayIcon icon=new DecorationOverlayIcon(imageDescriptor.createImage(),warnImg,IDecoration.BOTTOM_RIGHT);
          imageDescriptor=icon;
        }
      }
      return imageDescriptor;
    }
 else     if (file.getFileExtension().equalsIgnoreCase(FactoriesUtil.REP)) {
      return ImageLib.getImageDescriptor(ImageLib.REPORT_OBJECT);
    }
  }
  if (element instanceof IFolder) {
    String folderName=((IFolder)element).getName();
    if (ResourceManager.METADATA_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.METADATA);
    }
 else     if (ResourceManager.LIBRARIES_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.LIBRARIES);
    }
 else     if (ResourceManager.DATA_PROFILING_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.DATA_PROFILING);
    }
 else     if (org.talend.dataquality.PluginConstant.DB_CONNECTIONS.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.CONNECTION);
    }
 else     if (DQStructureManager.EXCHANGE.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.EXCHANGE);
    }
  }
  return super.decorateImage(input,element);
}

Fixed version (ground truth):
protected ImageDescriptor decorateImage(ImageDescriptor input,Object element){
  if (element instanceof IFile) {
    IFile file=(IFile)element;
    if (FactoriesUtil.PATTERN.equalsIgnoreCase(file.getFileExtension())) {
      Pattern findPattern=PatternResourceFileHelper.getInstance().findPattern(file);
      ImageDescriptor imageDescriptor=ImageLib.getImageDescriptor(ImageLib.PATTERN_REG);
      if (findPattern != null) {
        boolean validStatus=TaggedValueHelper.getValidStatus(findPattern);
        if (!validStatus) {
          ImageDescriptor warnImg=PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_OBJS_WARN_TSK);
          DecorationOverlayIcon icon=new DecorationOverlayIcon(imageDescriptor.createImage(),warnImg,IDecoration.BOTTOM_RIGHT);
          imageDescriptor=icon;
        }
      }
      return imageDescriptor;
    }
 else     if (FactoriesUtil.REP.equalsIgnoreCase(file.getFileExtension())) {
      return ImageLib.getImageDescriptor(ImageLib.REPORT_OBJECT);
    }
  }
  if (element instanceof IFolder) {
    String folderName=((IFolder)element).getName();
    if (ResourceManager.METADATA_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.METADATA);
    }
 else     if (ResourceManager.LIBRARIES_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.LIBRARIES);
    }
 else     if (ResourceManager.DATA_PROFILING_FOLDER_NAME.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.DATA_PROFILING);
    }
 else     if (org.talend.dataquality.PluginConstant.DB_CONNECTIONS.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.CONNECTION);
    }
 else     if (DQStructureManager.EXCHANGE.equals(folderName)) {
      return ImageLib.getImageDescriptor(ImageLib.EXCHANGE);
    }
  }
  return super.decorateImage(input,element);
}