/*
* 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.command;
import org.apache.karaf.instance.core.Instance;
import org.apache.karaf.shell.api.action.Command;
import org.apache.karaf.shell.api.action.Option;
import org.apache.karaf.shell.api.action.lifecycle.Service;
import org.apache.karaf.shell.support.table.ShellTable;
@Command(scope = "instance", name = "list", description = "Lists all existing container instances.")
@Service
public class ListCommand extends InstanceCommandSupport {
@Option(name = "-l", aliases = { "--location" }, description = "Displays the location of the container instances", required = false, multiValued = false)
boolean location;
@Option(name = "-o", aliases = { "--java-opts" }, description = "Displays the Java options used to launch the JVM", required = false, multiValued = false)
boolean javaOpts;
@Option(name = "--no-color", description = "Disable table rendered output", required = false, multiValued = false)
boolean noFormat;
protected Object doExecute() throws Exception {
getInstanceService().refreshInstance();
Instance[] instances = getInstanceService().getInstances();
ShellTable table = new ShellTable();
table.column("SSH Port").alignRight();
table.column("RMI Registry").alignRight();
table.column("RMI Server").alignRight();
table.column("State");
table.column("PID");
table.column(getRightColumnHeader());
for (Instance instance : instances) {
table.addRow().addContent(
instance.getSshPort(),
instance.getRmiRegistryPort(),
instance.getRmiServerPort(),
instance.getState(),
instance.getPid(),
getRightColumnValue(instance));
}
table.print(System.out, !noFormat);
return null;
}
private String getRightColumnHeader() {
if (javaOpts) {
return "JavaOpts";
} else if (location) {
return "Location";
} else {
return "Name";
}
}
private String getRightColumnValue(Instance instance) {
if (javaOpts) {
return instance.getJavaOpts();
} else if (location) {
return instance.getLocation();
} else {
return instance.getName();
}
}
}