/**
* Copyright 2005-2014 Red Hat, Inc.
*
* Red Hat 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 io.fabric8.zookeeper.spring;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.curator.framework.CuratorFramework;
import org.apache.curator.framework.CuratorFrameworkFactory;
import org.apache.curator.retry.ExponentialBackoffRetry;
import org.apache.zookeeper.Watcher;
import io.fabric8.zookeeper.curator.CuratorACLManager;
import org.springframework.beans.factory.DisposableBean;
import org.springframework.beans.factory.FactoryBean;
public class CuratorFactoryBean implements FactoryBean<CuratorFramework>, DisposableBean {
private static final transient Log LOG = LogFactory.getLog(CuratorFactoryBean.class);
private String connectString = "localhost:2181";
private String password;
private int timeout = 30000;
private Watcher watcher;
protected CuratorFramework curator;
public String getConnectString() {
return connectString;
}
public void setConnectString(String connectString) {
this.connectString = connectString;
}
public Watcher getWatcher() {
return watcher;
}
public void setWatcher(Watcher watcher) {
this.watcher = watcher;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public int getTimeout() {
return timeout;
}
public void setTimeout(int timeout) {
this.timeout = timeout;
}
// FactoryBean interface
//-------------------------------------------------------------------------
public CuratorFramework getObject() throws Exception {
LOG.debug("Connecting to ZooKeeper on " + connectString);
CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder()
.connectString(connectString)
.retryPolicy(new ExponentialBackoffRetry(5, 10))
.connectionTimeoutMs(getTimeout());
if (password != null && !password.isEmpty()) {
builder.aclProvider(new CuratorACLManager());
builder.authorization("digest", ("fabric:"+password).getBytes("UTF-8"));
}
this.curator = builder.build();
LOG.debug("Starting curator " + curator);
curator.start();
return curator;
}
public Class<?> getObjectType() {
return CuratorFramework.class;
}
public boolean isSingleton() {
return true;
}
public void destroy() throws Exception {
if (curator != null) {
// Note we cannot use zkClient.close()
// since you cannot currently close a client which is not connected
curator.close();
curator = null;
}
}
}