src/main/java/org/apache/sling/distribution/trigger/impl/ResourceEventDistributionTriggerFactory.java

/*
 * 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.distribution.trigger.impl;

import org.apache.sling.distribution.common.DistributionException;
import org.apache.sling.distribution.trigger.DistributionRequestHandler;
import org.apache.sling.distribution.trigger.DistributionTrigger;
import org.apache.sling.jcr.api.SlingRepository;
import org.jetbrains.annotations.NotNull;
import org.osgi.framework.BundleContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.ConfigurationPolicy;
import org.osgi.service.component.annotations.Deactivate;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.metatype.annotations.AttributeDefinition;
import org.osgi.service.metatype.annotations.Designate;
import org.osgi.service.metatype.annotations.ObjectClassDefinition;

@Component(
        configurationPolicy = ConfigurationPolicy.REQUIRE,
        service=DistributionTrigger.class,
        property= {
                "webconsole.configurationFactory.nameHint=Trigger name: {name}"    
        }
)
@Designate(ocd=ResourceEventDistributionTriggerFactory.Config.class, factory=true)
public class ResourceEventDistributionTriggerFactory implements DistributionTrigger {

    @ObjectClassDefinition(name="Apache Sling Distribution Trigger - Resource Event Triggers Factory",
            description = "Triggers a distribution request ('ADD', 'DELETE') " +
                    "for the given path (path) whenever the resource at the given path is modified (added, resp. removed).")
    public @interface Config {
        @AttributeDefinition(name="Name", description = "The name of the trigger.")
        String name();
        @AttributeDefinition(name="Name", description = "The resource path for which changes are distributed")
        String path();
    }

    private ResourceEventDistributionTrigger trigger;

    @Reference
    private SlingRepository repository;

    @Activate
    public void activate(BundleContext bundleContext, Config conf) {
        String path = conf.path();

        trigger = new ResourceEventDistributionTrigger(path, bundleContext);
    }

    @Deactivate
    public void deactivate() {
        trigger.disable();
    }

    public void register(@NotNull DistributionRequestHandler requestHandler) throws DistributionException {
        trigger.register(requestHandler);
    }

    public void unregister(@NotNull DistributionRequestHandler requestHandler) throws DistributionException {
        trigger.unregister(requestHandler);
    }
}