| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.sling.commons.jcr.file.internal; |
| |
| import java.io.IOException; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.NotDirectoryException; |
| import java.nio.file.Path; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import javax.jcr.Node; |
| import javax.jcr.NodeIterator; |
| import javax.jcr.RepositoryException; |
| |
| import org.jetbrains.annotations.NotNull; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class JcrDirectoryStream implements DirectoryStream<Path> { |
| |
| private final JcrPath directory; |
| |
| private final JcrFileSystem fileSystem; |
| |
| private final DirectoryStream.Filter<? super Path> filter; // TODO |
| |
| private final Node node; |
| |
| private final Logger logger = LoggerFactory.getLogger(JcrDirectoryStream.class); |
| |
| // TODO take filter into account |
| JcrDirectoryStream(@NotNull final JcrPath directory, final Filter<? super Path> filter) throws NotDirectoryException { |
| this.directory = directory; |
| this.filter = filter; |
| final String path = directory.toString(); |
| try { |
| fileSystem = (JcrFileSystem) directory.getFileSystem(); |
| node = fileSystem.getSession().getNode(path); |
| logger.info("node: {} {}", node.getPath(), node.getPrimaryNodeType().getName()); |
| if (!fileSystem.provider().isDirectory(node)) { |
| logger.error("{} is not a directory", path); |
| throw new NotDirectoryException(path); |
| } |
| } catch (RepositoryException e) { |
| logger.error(e.getMessage(), e); |
| throw new RuntimeException("Error reading from path " + path); |
| } |
| } |
| |
| @Override |
| @NotNull |
| public Iterator<Path> iterator() { |
| logger.info("iterator for {}", directory); |
| |
| final Set<String> paths = new HashSet<>(); |
| |
| try { |
| final NodeIterator nodes = node.getNodes(); |
| while (nodes.hasNext()) { |
| final Node node = nodes.nextNode(); |
| if (fileSystem.provider().isDirectory(node) || fileSystem.provider().isFile(node)) { |
| final String path = node.getPath(); |
| paths.add(path); |
| logger.info("node {} added", path); |
| } |
| } |
| } catch (Exception e) { |
| logger.error(e.getMessage(), e); |
| } |
| |
| return new Iterator<Path>() { |
| |
| final Iterator<String> iterator = paths.iterator(); |
| |
| @Override |
| public boolean hasNext() { |
| return iterator.hasNext(); |
| } |
| |
| @Override |
| public Path next() { |
| return new JcrPath(fileSystem, iterator.next()); |
| } |
| |
| @Override |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| }; |
| |
| } |
| |
| @Override |
| public void close() throws IOException { |
| } |
| |
| } |