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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.qpid.commands;
import org.apache.qpid.commands.objects.ObjectNames;
import org.apache.qpid.commands.objects.QueueObject;
import org.apache.qpid.utils.JMXinfo;
import javax.management.MBeanServerConnection;
import javax.management.ObjectName;
import java.util.Set;
public class Commandget extends CommandImpl
{
private String _attributeName;
private String _value;
public static String COMMAND_NAME = "get";
public Commandget(JMXinfo info)
{
super(info);
}
private void getAttribute(String option_value)
{
if (option_value == null)
{
printusage();
return;
}
MBeanServerConnection mbsc = info.getmbserverconnector();
Set set = null;
ObjectNames objname = null;
try
{
if (option_value.compareToIgnoreCase("queue") == 0 || option_value.compareToIgnoreCase("queues") == 0)
{
objname = new QueueObject(mbsc);
}
else
{
printusage();
echo("Wrong objectName");
return;
}
if (_attributeName == null)
{
echo("attribute name not specified. See --help for details");
return;
}
objname.setQueryString(this.getObject(), this.getName(), this.getVirtualhost());
objname.returnObjects();
if (objname.getSet().size() != 1)
{
echo("Your query returned more than one object to set was this intended?\n" + objname.getQueryString());
}
else if (objname.getSet().size() == 1)
{
ObjectName object = (ObjectName) objname.getSet().iterator().next();
Object value = objname.getAttribute(object, _attributeName);
echo(value.toString());
}
else
{
if (hasName())
{
echo("You might be querying wrong " + this.getObject() + " name with --name or -n option ");
echo("");
echo("No " + this.getObject() + "Type Objects might not in the broker currently");
echo("");
}
else
{
printusage();
}
}
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
public void execute()
{
/*
* In here you it's easy to handle any number of otpions which are going
* to add with the list command which works with main option object or o
*/
if (checkoptionsetting("output"))
{
setOutputFormat(optionchecker("output"));
if (checkoptionsetting("separator"))
{
setSeperator(optionchecker("separator"));
}
}
if (checkoptionsetting("object") || checkoptionsetting("o"))
{
String object = optionchecker("object");
if (object == null)
{
object = optionchecker("o");
}
setObject(object);
if (checkoptionsetting("name") || checkoptionsetting("n"))
{
String name = optionchecker("name");
if (name == null)
{
name = optionchecker("n");
}
setName(name);
}
if (checkoptionsetting("attribute") || checkoptionsetting("a"))
{
String name = optionchecker("attribute");
if (name == null)
{
name = optionchecker("a");
}
setAttributeName(name);
}
if (checkoptionsetting("virtualhost") || checkoptionsetting("v"))
{
String vhost = optionchecker("virtualhost");
if (vhost == null)
{
vhost = optionchecker("v");
}
setVirtualhost(vhost);
}
getAttribute(this.getObject());
}
else if (checkoptionsetting("h") || checkoptionsetting("help"))
{
printusage();
}
else
{
unrecognizeoption();
}
}
private void setAttributeName(String name)
{
this._attributeName = name;
}
public void printusage()
{
echo("");
echo("Usage:set [OPTION] ... [OBJECT TYPE]...\n");
echo("List the information about the given object\n");
echo("Where possible options include:\n");
echo(" -o --object type of objects which you want to list\n");
echo(" ex: < list -o queue > : lists all the queues created in the java broker\n");
echo(" For now list command is supporting following object typse \n");
echo(" Queue Connection VirtualHost UserMangement Exchange");
echo(" Or You can specify object type by giving it at the beginning");
echo(" rather giving it as a argument");
echo(" Ex:< queue list > this command is equal to list -o queue \n");
echo(" -v --virtualhost After specifying the object type you can filter output with this option");
echo(" list objects with the given virtualhost which will help to find ");
echo(" identical queue objects with -n option");
echo(" ex: queue list -v develop ment");
echo(" -n --name After specifying what type of objects you want to monitor you can filter");
echo(" the output using -n option by specifying the name of the object you want ");
echo(" to monitor exactly");
echo(" ex: <list -o queue -n ping> : list all the queue objects having queue name");
echo(" of ping");
echo(" ex: <queue list -n ping -v development> list all the queue objects with name ");
echo(" of ping and virtualhost of developement \n");
echo(" -a --attribute ");
echo(" -h --help Display the help and back to the qpid-cli prompt\n");
}
}
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