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/*
* 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.samples.postservletextensions.internal;
import java.util.List;
import javax.jcr.Item;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.request.RequestParameter;
import org.apache.sling.api.servlets.HtmlResponse;
import org.apache.sling.servlets.post.AbstractSlingPostOperation;
import org.apache.sling.servlets.post.Modification;
/**
* This operation allows to create links between nodes.
*
*/
@Component
@Service(value=org.apache.sling.servlets.post.SlingPostOperation.class)
@org.apache.felix.scr.annotations.Property(name="sling.post.operation", value="link")
public class LinkOperation extends AbstractSlingPostOperation {
public final LinkHelper linkHelper = new LinkHelper();
@Override
protected void doRun(SlingHttpServletRequest request,
HtmlResponse response, List<Modification> changes)
throws RepositoryException {
Session session = request.getResourceResolver().adaptTo(Session.class);
String resourcePath = request.getResource().getPath();
if (session.itemExists(resourcePath)) {
Node source = (Node) session.getItem(resourcePath);
// create a symetric link
RequestParameter linkParam = request.getRequestParameter("target");
if (linkParam != null) {
String linkPath = linkParam.getString();
if (session.itemExists(linkPath)) {
Item targetItem = session.getItem(linkPath);
if (targetItem.isNode()) {
linkHelper.createSymetricLink(source,
(Node) targetItem, "link");
}
}
}
}
}
}