/*
* 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.instance.core.internal;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javax.management.NotCompliantMBeanException;
import javax.management.StandardMBean;
import javax.management.openmbean.TabularData;
import org.apache.karaf.instance.core.Instance;
import org.apache.karaf.instance.core.InstanceSettings;
import org.apache.karaf.instance.core.InstancesMBean;
public class Instances extends StandardMBean implements InstancesMBean {
static final String DEBUG_OPTS = " -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005";
static final String DEFAULT_OPTS = "-server -Xmx512M -Dcom.sun.management.jmxremote";
private org.apache.karaf.instance.core.InstanceService instanceService;
public Instances(org.apache.karaf.instance.core.InstanceService instanceService) throws NotCompliantMBeanException {
super(InstancesMBean.class);
this.instanceService = instanceService;
}
public int createInstance(String name, int sshPort, int rmiRegistryPort, int rmiServerPort, String location, String javaOpts, String features, String featureURLs)
throws Exception {
if ("".equals(location)) {
location = null;
}
if ("".equals(javaOpts)) {
javaOpts = null;
}
InstanceSettings settings = new InstanceSettings(sshPort, rmiRegistryPort, rmiServerPort, location, javaOpts,
parseStringList(featureURLs), parseStringList(features));
Instance inst = instanceService.createInstance(name, settings, false);
if (inst != null) {
return inst.getPid();
} else {
return -1;
}
}
public void changeSshPort(String name, int port) throws Exception {
getExistingInstance(name).changeSshPort(port);
}
public void changeRmiRegistryPort(String name, int port) throws Exception {
getExistingInstance(name).changeRmiRegistryPort(port);
}
public void changeRmiServerPort(String name, int port) throws Exception {
getExistingInstance(name).changeRmiServerPort(port);
}
public void changeJavaOpts(String name, String javaOpts) throws Exception {
getExistingInstance(name).changeJavaOpts(javaOpts);
}
public void destroyInstance(String name) throws Exception {
getExistingInstance(name).destroy();
}
public void startInstance(String name) throws Exception {
getExistingInstance(name).start(null);
}
public void startInstance(String name, String opts) throws Exception {
getExistingInstance(name).start(opts);
}
public void startInstance(String name, String opts, boolean wait, boolean debug) throws Exception {
Instance child = getExistingInstance(name);
String options = opts;
if (options == null) {
options = child.getJavaOpts();
}
if (options == null) {
options = DEFAULT_OPTS;
}
if (debug) {
options += DEBUG_OPTS;
}
if (wait) {
String state = child.getState();
if (Instance.STOPPED.equals(state)) {
child.start(opts);
}
if (!Instance.STARTED.equals(state)) {
do {
Thread.sleep(500);
state = child.getState();
} while (Instance.STARTING.equals(state));
}
} else {
child.start(opts);
}
}
public void stopInstance(String name) throws Exception {
getExistingInstance(name).stop();
}
public void renameInstance(String originalName, String newName) throws Exception {
instanceService.renameInstance(originalName, newName, false);
}
public void renameInstance(String originalName, String newName, boolean verbose) throws Exception {
instanceService.renameInstance(originalName, newName, verbose);
}
public void cloneInstance(String name, String cloneName, int sshPort, int rmiRegistryPort, int rmiServerPort, String location, String javaOpts) throws Exception {
if ("".equals(location)) {
location = null;
}
if ("".equals(javaOpts)) {
javaOpts = null;
}
InstanceSettings settings = new InstanceSettings(sshPort, rmiRegistryPort, rmiServerPort, location, javaOpts, null, null);
instanceService.cloneInstance(name, cloneName, settings, false);
}
public TabularData getInstances() throws Exception {
List<Instance> instances = Arrays.asList(instanceService.getInstances());
TabularData table = InstanceToTableMapper.tableFrom(instances);
return table;
}
private Instance getExistingInstance(String name) {
Instance i = instanceService.getInstance(name);
if (i == null) {
throw new IllegalArgumentException("Instance '" + name + "' does not exist");
}
return i;
}
private List<String> parseStringList(String value) {
List<String> list = new ArrayList<String>();
if (value != null) {
for (String el : value.split(",")) {
String trimmed = el.trim();
if (trimmed.length() == 0) {
continue;
}
list.add(trimmed);
}
}
return list;
}
}