/*
* 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.bgservlets.impl.storage;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
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.Property;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.bgservlets.BackgroundServletConstants;
import org.apache.sling.bgservlets.JobData;
import org.apache.sling.bgservlets.JobStorage;
import org.apache.sling.bgservlets.impl.DeepNodeCreator;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/** Default JobStorage implementation */
@Component(
metatype=true,
label="%JobStorage.label",
description="%JobStorage.description")
@Service
public class JobStorageImpl implements JobStorage {
private Logger log = LoggerFactory.getLogger(getClass());
/** Configurable base path for storing job data */
@Property(value="/var/bg/jobs")
public static final String PROP_JOB_STORAGE_PATH = "job.storage.path";
public static final String PATH_FORMAT = "/yyyy/MM/dd/HH/mm";
public static final String JOB_NODETYPE = "nt:unstructured";
private String jobStoragePath;
private int counter;
private static final DateFormat pathFormat = new SimpleDateFormat(PATH_FORMAT);
protected void activate(ComponentContext ctx) {
jobStoragePath = (String)ctx.getProperties().get(PROP_JOB_STORAGE_PATH);
if(jobStoragePath == null || jobStoragePath.length() == 0) {
throw new IllegalStateException("Missing " + PROP_JOB_STORAGE_PATH + " in ComponentContext");
}
if(!jobStoragePath.startsWith("/")) {
jobStoragePath = "/" + jobStoragePath;
}
if(jobStoragePath.endsWith("/")) {
jobStoragePath = jobStoragePath.substring(0, jobStoragePath.length() - 1);
}
log.info("Jobs will be stored under {}", jobStoragePath);
}
public JobData createJobData(Session s) {
try {
return getJobData(createNewJobNode(s));
} catch(Exception e) {
throw new JobStorageException("Unable to create new JobDataImpl", e);
}
}
public JobData getJobData(Node n) {
try {
return new JobDataImpl(n);
} catch(Exception e) {
throw new JobStorageException("Unable to create JobDataImpl", e);
}
}
Node createNewJobNode(Session s) throws RepositoryException {
String path = null;
synchronized (this) {
counter++;
path = jobStoragePath + pathFormat.format(new Date()) + "/" + counter;
}
final Node result = new DeepNodeCreator().deepCreateNode(path, s, JOB_NODETYPE);
result.addMixin(JobData.JOB_DATA_MIXIN);
result.setProperty(BackgroundServletConstants.CREATION_TIME_PROPERTY, Calendar.getInstance());
result.save();
log.debug("Job node {} created", result.getPath());
return result;
}
}