| /* |
| * 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.ide.impl.vlt; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.jcr.Credentials; |
| import javax.jcr.Node; |
| import javax.jcr.NodeIterator; |
| import javax.jcr.Repository; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| |
| import org.apache.sling.ide.log.Logger; |
| import org.apache.sling.ide.transport.CommandExecutionProperties; |
| import org.apache.sling.ide.transport.ResourceProxy; |
| import org.osgi.service.event.Event; |
| import org.osgi.service.event.EventAdmin; |
| |
| public class ListTreeCommand extends JcrCommand<ResourceProxy> { |
| |
| private final int levels; |
| private final EventAdmin eventAdmin; |
| |
| public ListTreeCommand(Repository repository, Credentials credentials, String path, int levels, |
| EventAdmin eventAdmin, Logger logger) { |
| super(repository, credentials, path, logger); |
| this.levels = Math.max(1,levels); |
| this.eventAdmin = eventAdmin; |
| } |
| |
| @Override |
| protected ResourceProxy execute0(Session session) throws RepositoryException { |
| |
| Node node = session.getNode(getPath()); |
| |
| ResourceProxy parent = nodeToResource(node); |
| |
| addChildren(parent, node, levels-1); |
| |
| return parent; |
| } |
| |
| private void addChildren(ResourceProxy parent, Node node, int remainingLevels) throws RepositoryException { |
| if (remainingLevels<0) { |
| // paranoia check |
| throw new IllegalArgumentException("remainingLevels must be >=0, not: "+remainingLevels); |
| } |
| final long start = System.currentTimeMillis(); |
| NodeIterator nodes = node.getNodes(); |
| final long end = System.currentTimeMillis(); |
| log("ListTreeCommand.child -> "+node.getPath(), start, end); |
| while (nodes.hasNext()) { |
| Node childNode = nodes.nextNode(); |
| |
| // TODO - this should not be needed if we obey the vlt filters |
| if (childNode.getPath().equals("/jcr:system")) { |
| continue; |
| } |
| |
| final ResourceProxy childResourceProxy = nodeToResource(childNode); |
| parent.addChild(childResourceProxy); |
| |
| if (remainingLevels>0) { |
| addChildren(childResourceProxy, childNode, remainingLevels-1); |
| } |
| } |
| } |
| |
| private void log(String text, long start, long end) { |
| Map<String, Object> props = new HashMap<>(); |
| props.put(CommandExecutionProperties.RESULT_TEXT, text); |
| props.put(CommandExecutionProperties.RESULT_STATUS, Boolean.TRUE); |
| props.put(CommandExecutionProperties.ACTION_TYPE, getClass().getSimpleName()); |
| props.put(CommandExecutionProperties.ACTION_TARGET, getPath()); |
| props.put(CommandExecutionProperties.TIMESTAMP_START, start); |
| props.put(CommandExecutionProperties.TIMESTAMP_END, end); |
| Event event = new Event(CommandExecutionProperties.REPOSITORY_TOPIC, props); |
| eventAdmin.postEvent(event); |
| } |
| |
| } |