/*
* 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<String, Object>();
props.put(CommandExecutionProperties.RESULT_TEXT, text);
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);
}
}