Program: 78886
Project: 78886
Buggy source:
/** 
 * handles an image report item and returns an image URL
 * @param image represents the image design information
 * @param context context information
 * @param prefix image prefix in URL
 * @param needMap whether image map is needed
 * @return URL for the image
 */
protected String handleImage(IImage image,Object context,String prefix,boolean needMap){
  String mapID=null;
  if (needMap) {
    mapID=getImageMapID(image);
    if (map.containsKey(mapID)) {
      return (String)map.get(mapID);
    }
  }
  String ret=null;
  if (context != null && (context instanceof HTMLRenderContext)) {
    HTMLRenderContext myContext=(HTMLRenderContext)context;
    String imageURL=myContext.getBaseImageURL();
    String imageDir=myContext.getImageDirectory();
    if (imageURL == null || imageURL.length() == 0 || imageDir == null || imageDir.length() == 0) {
      log.log(Level.SEVERE,"String_Node_Str");
      return null;
    }
    String fileName;
    File file;
synchronized (HTMLCompleteImageHandler.class) {
      String extension=image.getExtension();
      if (extension != null && extension.length() > 0) {
        fileName=createUniqueFileName(imageDir,prefix,extension);
      }
 else {
        fileName=createUniqueFileName(imageDir,prefix);
      }
      file=new File(imageDir,fileName);
      try {
        image.writeImage(file);
      }
 catch (      IOException e) {
        log.log(Level.SEVERE,e.getMessage(),e);
      }
    }
    if (imageURL.indexOf("String_Node_Str") > 0) {
      ret=imageURL + fileName;
    }
 else     if (imageURL.endsWith("String_Node_Str")) {
      ret=imageURL + fileName;
    }
 else {
      ret=imageURL + "String_Node_Str" + fileName;
    }
    if (needMap) {
      map.put(mapID,ret);
    }
  }
  return ret;
}

Fixed version (ground truth):
/** 
 * handles an image report item and returns an image URL
 * @param image represents the image design information
 * @param context context information
 * @param prefix image prefix in URL
 * @param needMap whether image map is needed
 * @return URL for the image
 */
protected String handleImage(IImage image,Object context,String prefix,boolean needMap){
  String mapID=null;
  if (needMap) {
    mapID=getImageMapID(image);
    if (map.containsKey(mapID)) {
      return (String)map.get(mapID);
    }
  }
  String ret=null;
  if (context != null && (context instanceof HTMLRenderContext)) {
    HTMLRenderContext myContext=(HTMLRenderContext)context;
    String imageURL=myContext.getBaseImageURL();
    String imageDir=myContext.getImageDirectory();
    if (imageURL == null || imageURL.length() == 0 || imageDir == null || imageDir.length() == 0) {
      log.log(Level.SEVERE,"String_Node_Str");
      return null;
    }
    String fileName;
    File file;
synchronized (HTMLCompleteImageHandler.class) {
      String extension=image.getExtension();
      if (extension != null && extension.length() > 0) {
        fileName=createUniqueFileName(imageDir,prefix,extension);
      }
 else {
        fileName=createUniqueFileName(imageDir,prefix);
      }
      file=new File(imageDir,fileName);
      try {
        image.writeImage(file);
      }
 catch (      IOException e) {
        log.log(Level.SEVERE,e.getMessage(),e);
      }
    }
    if (imageURL.indexOf("String_Node_Str") > 0) {
      ret=imageURL + fileName;
    }
 else     if (imageURL.endsWith("String_Node_Str")) {
      ret=imageURL + fileName;
    }
 else {
      ret=imageURL + "String_Node_Str" + fileName;
    }
    if (needMap) {
      map.put(mapID,ret);
    }
  }
 else {
    ret=handleTempImage(image,prefix,needMap);
  }
  return ret;
}