/*
* 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.shell.osgi;
import org.apache.felix.gogo.commands.Argument;
import org.apache.felix.gogo.commands.Command;
import org.apache.felix.utils.properties.Properties;
import org.apache.karaf.shell.console.OsgiCommandSupport;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
@Command(scope = "osgi", name = "name", description = "Show or change Karaf instance name.")
public class Name extends OsgiCommandSupport {
@Argument(name = "name", index = 0, description = "New name of the Karaf instance.", required = false, multiValued = false)
String name;
protected Object doExecute() throws Exception {
if (name == null) {
System.out.println(bundleContext.getProperty("karaf.name"));
} else {
try {
String karafEtc = bundleContext.getProperty("karaf.etc");
File syspropsFile = new File(karafEtc, "system.properties");
FileInputStream fis = new FileInputStream(syspropsFile);
Properties props = new Properties();
props.load(fis);
fis.close();
props.setProperty("karaf.name", name);
FileOutputStream fos = new FileOutputStream(syspropsFile);
props.store(fos, "");
fos.close();
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
System.out.println("Instance name changed to " + name + ". Restart needed for this to take effect.");
}
return null;
}
}