/*
* 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.jackrabbit.oak.jcr;
import java.lang.ref.WeakReference;
import java.security.Principal;
import java.util.Properties;
import javax.jcr.Credentials;
import javax.jcr.GuestCredentials;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.UnsupportedRepositoryOperationException;
import com.mongodb.BasicDBObject;
import org.apache.jackrabbit.api.JackrabbitSession;
import org.apache.jackrabbit.oak.plugins.mongomk.MongoMK;
import org.apache.jackrabbit.oak.plugins.mongomk.util.MongoConnection;
import org.apache.jackrabbit.test.NotExecutableException;
import org.apache.jackrabbit.test.RepositoryStub;
/**
* A repository stub implementation for Oak on MongoMK
*/
public class OakMongoMKRepositoryStub extends RepositoryStub {
protected static final String HOST =
System.getProperty("mongo.host", "127.0.0.1");
protected static final int PORT =
Integer.getInteger("mongo.port", 27017);
protected static final String DB =
System.getProperty("mongo.db", "MongoMKDB");
private static final Principal UNKNOWN_PRINCIPAL = new Principal() {
@Override
public String getName() {
return "an_unknown_user";
}
};
private final MongoConnection connection;
private final Repository repository;
/**
* Constructor as required by the JCR TCK.
*
* @param settings repository settings
* @throws javax.jcr.RepositoryException If an error occurs.
*/
public OakMongoMKRepositoryStub(Properties settings) throws RepositoryException {
super(settings);
Session session = null;
try {
this.connection = new MongoConnection(HOST, PORT, DB);
MongoMK m = new MongoMK.Builder().setClusterId(1).
memoryCacheSize(64 * 1024 * 1024).
setMongoDB(connection.getDB()).open();
Jcr jcr = new Jcr(m);
this.repository = jcr.createRepository();
session = getRepository().login(superuser);
TestContentLoader loader = new TestContentLoader();
loader.loadTestContent(session);
} catch (Exception e) {
throw new RepositoryException(e);
} finally {
if (session != null) {
session.logout();
}
}
Runtime.getRuntime().addShutdownHook(
new Thread(new ShutdownHook(connection)));
}
/**
* A shutdown hook that closed the MongoDB connection if needed.
*/
private static class ShutdownHook implements Runnable {
private final WeakReference<MongoConnection> reference;
public ShutdownHook(MongoConnection connection) {
this.reference = new WeakReference<MongoConnection>(connection);
}
@Override
public void run() {
MongoConnection connection = reference.get();
if (connection != null) {
connection.close();
}
}
}
public static boolean isMongoDBAvailable() {
MongoConnection connection = null;
try {
connection = new MongoConnection(HOST, PORT, DB);
connection.getDB().command(new BasicDBObject("ping", 1));
return true;
} catch (Exception e) {
return false;
} finally {
if (connection != null) {
connection.close();
}
}
}
/**
* Returns the configured repository instance.
*
* @return the configured repository instance.
*/
@Override
public synchronized Repository getRepository() {
return repository;
}
@Override
public Credentials getReadOnlyCredentials() {
return new GuestCredentials();
}
@Override
public Principal getKnownPrincipal(Session session) throws RepositoryException {
if (session instanceof JackrabbitSession) {
return ((JackrabbitSession) session).getPrincipalManager().getPrincipal(session.getUserID());
}
throw new UnsupportedRepositoryOperationException();
}
@Override
public Principal getUnknownPrincipal(Session session) throws RepositoryException,
NotExecutableException {
return UNKNOWN_PRINCIPAL;
}
}