org.apache.openejb.assembler.monitoring.JMXDeployer Maven / Gradle / Ivy
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* 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.openejb.assembler.monitoring;
import org.apache.openejb.api.jmx.Description;
import org.apache.openejb.api.jmx.MBean;
import org.apache.openejb.api.jmx.ManagedAttribute;
import org.apache.openejb.api.jmx.ManagedOperation;
import org.apache.openejb.assembler.Deployer;
import org.apache.openejb.assembler.DeployerEjb;
import org.apache.openejb.assembler.classic.AppInfo;
import org.apache.openejb.core.LocalInitialContextFactory;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
import java.util.Collection;
import java.util.Properties;
@MBean
@Description("OpenEJB Deployer")
public class JMXDeployer {
@ManagedOperation
@Description("Deploy the specified application")
public String deploy(final String location) {
try {
deployer().deploy(location);
return "OK";
} catch (final Exception e) {
return "ERR:" + e.getMessage();
}
}
@ManagedOperation
@Description("Undeploy the specified application")
public String undeploy(final String moduleId) {
try {
deployer().undeploy(moduleId);
return "OK";
} catch (final Exception e) {
return "ERR:" + e.getMessage();
}
}
@ManagedAttribute
@Description("List available applications")
public String[] getDeployedApplications() {
try {
final Collection apps = deployer().getDeployedApps();
final String[] appsNames = new String[apps.size()];
int i = 0;
for (final AppInfo info : apps) {
appsNames[i++] = info.path;
}
return appsNames;
} catch (final Exception e) {
return new String[]{"ERR:" + e.getMessage()};
}
}
@ManagedOperation
@Description("Reload the specified application")
public String reload(final String moduleId) {
try {
final Collection apps = deployer().getDeployedApps();
boolean found = false;
for (final AppInfo info : apps) {
if (info.path.equals(moduleId)) {
found = true;
break;
}
}
if (found) {
deployer().reload(moduleId);
return "OK";
} else {
return "NOT FOUND";
}
} catch (final Exception e) {
return "ERR:" + e.getMessage();
}
}
private static Deployer deployer() throws NamingException {
final Properties p = new Properties();
p.setProperty(Context.INITIAL_CONTEXT_FACTORY, LocalInitialContextFactory.class.getName());
final ClassLoader oldCl = Thread.currentThread().getContextClassLoader();
Thread.currentThread().setContextClassLoader(DeployerEjb.class.getClassLoader());
try {
return (Deployer) new InitialContext(p).lookup("openejb/DeployerBusinessRemote");
} finally {
Thread.currentThread().setContextClassLoader(oldCl);
}
}
}
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