Java FileVisitResult.SKIP_SUBTREE属性代码示例

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
	
	// --- Check if the current folder is in the skipList ------
	if(this.skipList != null){
 	for(Path pathToSkip : skipList){
 		if(pathToSkip.equals(dir)){
 			return FileVisitResult.SKIP_SUBTREE;
 		}
 	}
	}
	
	// --- If not, create a corresponding folder in the target path ---------------
    Path targetPath = toPath.resolve(fromPath.relativize(dir));
    if(!Files.exists(targetPath)){
        Files.createDirectory(targetPath);
    }
    
    return FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
	
	// --- Check if the current file is in the skipList ------
	if(this.skipList != null){
 	for(Path pathToSkip : skipList){
 		if(pathToSkip.equals(file)){
 			return FileVisitResult.SKIP_SUBTREE;
 		}
 	}
	}
	
	// --- If not, copy it ---------------
	Files.copy(file, toPath.resolve(fromPath.relativize(file)), copyOption);
    return FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attr) {
	if (dir.getFileName().toString().equals(".git")) {
		return FileVisitResult.SKIP_SUBTREE;
	}
	if(onDiff == OnDiff.COPY) {
		Path relative = expected.relativize(dir);
		if (other.resolve(relative).toFile().exists()) {
			log.debug("Other has dir: {}", relative);
		} else {
			diffPresent = true;
			try {
				log.info("GitRepo does not contain dir: {}, adding", relative);
				Files.copy(dir, other.resolve(relative));
			} catch (IOException e) {
				log.error("IO happend, new build will be created", e.getMessage());
				error = true;
				return FileVisitResult.TERMINATE;
			}
		}
	}
	return FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
	final String fileName = file.getFileName().toString();
	if (fileName.equals(N4JSGlobals.PACKAGE_JSON)) {
		cleanJsonFile(file.toFile());
		return FileVisitResult.SKIP_SUBTREE;
	}
	return FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes attrs)
      throws IOException {
   Boolean hide = false;
   // TODO remove attrs, if path is matched in this dir, then it is too in every subdir.
   // And we will check anyway
   DirAttributes newAttr = attributes.peek().clone();

   // check per config ignorePaths!
   for (BuildConfig cfg : allConfigs) {
      if (cfg.matchesIgnoredPath(path.toAbsolutePath().toString())) {
         newAttr.setIgnore(cfg);
      }

      // Hide is always on all configs. And additional files are never hiddden
      if (cfg.matchesHidePath(path.toAbsolutePath().toString())) {
         hide = true;
         break;
      }
   }

   if (!hide) {
      String name = startDir.relativize(path.toAbsolutePath()).toString();
      if (!"".equals(name)) {
         wg.addFilter(name);
      }

      attributes.push(newAttr);
      return super.preVisitDirectory(path, attrs);
   } else {
      return FileVisitResult.SKIP_SUBTREE;
   }
}
 

@Override
public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes attrs)
      throws IOException {
   Boolean hide = false;
   DirAttributes newAttr = attributes.peek().clone();

   String rPath;
   if (path.toAbsolutePath().toString().equals(this.startDir.toAbsolutePath().toString())){
      rPath = startDir.toString();
   } else {
      rPath = path.getFileName().toString();
   }

   // check per config ignorePaths!
   for (BuildConfig cfg : allConfigs) {
      if (cfg.matchesIgnoredPath(path.toAbsolutePath().toString())) {
         newAttr.setIgnore(cfg);
      }

      // Hide is always on all configs. And additional files are never hiddden
      if (cfg.matchesHidePath(path.toAbsolutePath().toString())) {
         hide = true;
         break;
      }
   }

   if (!hide) {
      wg.startTag("Filter", new String[] {
            "Name", rPath});

      attributes.push(newAttr);
      return super.preVisitDirectory(path, attrs);
   } else {
      return FileVisitResult.SKIP_SUBTREE;
   }
}
 

@Override
public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes attrs)
      throws IOException {
   Boolean hide = false;
   // TODO remove attrs, if path is matched in this dir, then it is too in every subdir.
   // And we will check anyway
   DirAttributes newAttr = attributes.peek().clone();

   // check per config ignorePaths!
   for (BuildConfig cfg : allConfigs) {
      if (cfg.matchesIgnoredPath(path.toAbsolutePath().toString())) {
         newAttr.setIgnore(cfg);
      }

      // Hide is always on all configs. And additional files are never hiddden
      if (cfg.matchesHidePath(path.toAbsolutePath().toString())) {
         hide = true;
         break;
      }
   }

   if (!hide) {
      String name = startDir.relativize(path.toAbsolutePath()).toString();
      if (!"".equals(name)) {
         wg10.addFilter(name);
      }

      attributes.push(newAttr);
      return super.preVisitDirectory(path, attrs);
   } else {
      return FileVisitResult.SKIP_SUBTREE;
   }
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attributes) throws IOException {
	final String path = minimizePath(dir);
	if (path.equals("")) {
		return FileVisitResult.CONTINUE;
	}
	if (path.matches("/\\d+_[A-Z]{2}[A-Z0-9][A-Z0-9]")) {
		return FileVisitResult.CONTINUE;
	}
	if (path.matches("/.+/\\d")) {
		return FileVisitResult.CONTINUE;
	}
	return FileVisitResult.SKIP_SUBTREE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
    log.trace("preVisit {}",dir);
    //if(Thread.currentThread().isInterrupted()){
    if(this.abortAsked){
        return FileVisitResult.TERMINATE;
    }
    if(this.crawler.isDirectoryInExclusion(dir)){
        log.trace("exclude directory {}",dir);
        return FileVisitResult.SKIP_SUBTREE;//like SKIP_SUBTREE and no call to postVisitDirectory
    }
    return FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
	Path relativePath = basePath.relativize(dir);
	if (filesToIgnore.contains(relativePath.toString())) {
		return FileVisitResult.SKIP_SUBTREE;
	} else {
		return FileVisitResult.CONTINUE;
	}
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
    // Skip /proc because it can throw some permission errors we cannot check for.
    return "/proc".equals(dir.toString()) ? FileVisitResult.SKIP_SUBTREE : FileVisitResult.CONTINUE;
}
 

@Override
public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
    LOG.warn("Unable to change into directory {} - Check permissions", file);
    return FileVisitResult.SKIP_SUBTREE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) {
    return !isDirExcluded(dir) ? FileVisitResult.CONTINUE : FileVisitResult.SKIP_SUBTREE;
}
 

@Override
public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
    // Skip sub directories without permissions
    return exc == null ? FileVisitResult.CONTINUE : FileVisitResult.SKIP_SUBTREE;
}
 

@Override
public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
    return Files.isReadable(dir) ? FileVisitResult.CONTINUE : FileVisitResult.SKIP_SUBTREE;
}