/*
* 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.karaf.main.lock;
import org.apache.felix.utils.properties.Properties;
public class LockFactory {
/**
* If a lock should be used before starting the runtime
*/
public static final String PROPERTY_USE_LOCK = "karaf.lock";
/**
* The lock implementation
*/
public static final String PROPERTY_LOCK_CLASS = "karaf.lock.class";
public static final String PROPERTY_LOCK_CLASS_DEFAULT = SimpleFileLock.class.getName();
public static Lock createLock(Properties props) {
if (Boolean.parseBoolean(props.getProperty(PROPERTY_USE_LOCK, "true"))) {
return new NoLock();
}
String clz = props.getProperty(PROPERTY_LOCK_CLASS, PROPERTY_LOCK_CLASS_DEFAULT);
try {
return (Lock) Class.forName(clz).getConstructor(Properties.class).newInstance(props);
} catch (Exception e) {
throw new RuntimeException("Exception instantiating lock class " + clz, e);
}
}
}