/**
* This file Copyright (c) 2010-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.rendering.renderer.registry;
import info.magnolia.cms.util.ModuleConfigurationObservingManager;
import info.magnolia.jcr.util.NodeTypes;
import info.magnolia.jcr.util.NodeUtil;
import info.magnolia.jcr.util.NodeVisitor;
import info.magnolia.module.ModuleRegistry;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.inject.Inject;
import javax.inject.Singleton;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.commons.predicate.NodeTypePredicate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* ObservedManager for {@link info.magnolia.rendering.renderer.Renderer} configured in repository.
*
* @version $Id$
*/
@Singleton
public class ConfiguredRendererManager extends ModuleConfigurationObservingManager {
protected final Logger log = LoggerFactory.getLogger(getClass());
private Set<String> registeredIds = new HashSet<String>();
private RendererRegistry registry;
@Inject
public ConfiguredRendererManager(ModuleRegistry moduleRegistry, RendererRegistry registry) {
super("renderers", moduleRegistry);
this.registry = registry;
}
@Override
protected void reload(List<Node> nodes) throws RepositoryException {
final List<RendererProvider> providers = new ArrayList<RendererProvider>();
for (Node node : nodes) {
NodeUtil.visit(node, new NodeVisitor() {
@Override
public void visit(Node parent) throws RepositoryException {
for (Node configNode : NodeUtil.getNodes(parent, NodeTypes.ContentNode.NAME)) {
RendererProvider provider = readProvider(configNode);
if (provider != null) {
providers.add(provider);
}
}
}
}, new NodeTypePredicate(NodeTypes.Content.NAME, false));
}
this.registeredIds = registry.unregisterAndRegister(registeredIds, providers);
}
protected RendererProvider readProvider(Node rendererNode) throws RepositoryException {
final String id = createId(rendererNode);
try {
return new ConfiguredRendererProvider(id, rendererNode);
} catch (Exception e) {
log.error("Unable to create provider renderer [" + id + "]", e);
return null;
}
}
private String createId(Node rendererNode) throws RepositoryException {
return rendererNode.getName();
}
}