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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;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;
import javax.management.MBeanServerConnection;
import javax.management.remote.JMXConnector;
import jline.ArgumentCompletor;
import jline.ConsoleReader;
import jline.SimpleCompletor;
import org.apache.qpid.commands.Commanddelete;
import org.apache.qpid.commands.Commandget;
import org.apache.qpid.commands.Commandhelp;
import org.apache.qpid.commands.Commandinfo;
import org.apache.qpid.commands.Commandlist;
import org.apache.qpid.commands.Commandmove;
import org.apache.qpid.commands.Commandset;
import org.apache.qpid.commands.Commandview;
import org.apache.qpid.commands.Commandviewcontent;
import org.apache.qpid.utils.CommandLineOptionParser;
import org.apache.qpid.utils.JMXConfiguration;
import org.apache.qpid.utils.JMXinfo;
public class CommandLineInterpreter
{
private static final String OBJECT_VIRTUALHOST = "virtualhost";
private static final String OBJECT_USERMANAGEMENT = "usermanagement";
private static final String OBJECT_CONNECTION = "connection";
private static final String OBJECT_EXCHANGE = "exchange";
private static final String OBJECT_QUEUE = "queue";
private static final String COMMAND_QUIT = "quit";
private static final String COMMAND_EXIT = "exit";
public static void main(String[] args)
{
Connector conn = null;
try
{
// Create an RMI connector client and
// connect it to the RMI connector server
/*
* checking the commandline options and parse them in to config
* method
*/
JMXConnector jmxc = null;
MBeanServerConnection mbsc = null;
ConsoleReader reader = new ConsoleReader();
reader.setBellEnabled(false);
CommandLineOptionParser commandlineoptionparser = null;
if ((args == null) || (args.length) == 0)
{
Usage();
}
/*
* here special constructor is calling, when parsing options,in here
* first option value is starting from minus sign so this is handle
* by a special constructor
*/
else
{
if (args[0].startsWith("-"))
{
commandlineoptionparser = new CommandLineOptionParser(args, args[0]); // if
// user
// specify
// any
// argument
// with
// the
// qpid-cli
// script
}
}
registerCommands();
/* Connecting with the broker */
try
{
if (commandlineoptionparser == null)
commandlineoptionparser = new CommandLineOptionParser(args);
JMXConfiguration config = new JMXConfiguration(commandlineoptionparser.getAlloptions());
conn = ConnectorFactory.getConnector(config.gethostname(), config.getport(), config.getUsername(),
config.getPassword());
jmxc = conn.getConnector();
mbsc = conn.getMBeanServerConnection();
if (config.checkoptionsetting("r", commandlineoptionparser.getAlloptions()))
{
JMXinfo info = new JMXinfo(jmxc, commandlineoptionparser, mbsc);
ReportGenerator reportgen = new ReportGenerator(config.optionchecker("r", commandlineoptionparser
.getAlloptions()), info);
reportgen.loadproperties();
reportgen.run();
}
/*
* This implementation is for the people who are using the
* interactive mode for one shot this run the user given command
* and exit
*/
for (int i = 0; i < args.length; i++)
{
if (CommandExecutionEngine.getCommands().keySet().contains(args[i]))
{
oneshotmode(args, commandlineoptionparser, jmxc, mbsc);
return;
}
}
}
catch (Exception ex)
{
connectionrefuse(ex);
return;
}
/* In this point connection has been established */
String line;
String[] command;
/* prividing GNU readline features using Jline library */
PrintWriter out = new PrintWriter(System.out);
SimpleCompletor completer = new SimpleCompletor(new String[] {
COMMAND_EXIT, COMMAND_QUIT, OBJECT_QUEUE, OBJECT_EXCHANGE, OBJECT_CONNECTION,
OBJECT_USERMANAGEMENT, OBJECT_VIRTUALHOST});
for (String commandName : CommandExecutionEngine.getCommands().keySet())
{
completer.addCandidateString(commandName);
}
reader.addCompletor(new ArgumentCompletor(completer));
while ((line = reader.readLine("qpid-admin-$ ")) != null)
{
out.flush();
if (removeSpaces(line).equalsIgnoreCase(COMMAND_QUIT) || removeSpaces(line).equalsIgnoreCase(COMMAND_EXIT))
break;
else if (line.length() == 0)
continue;
else
{
command = line.split("\\s+");
commandlineoptionparser = new CommandLineOptionParser(command);
JMXinfo info = new JMXinfo(jmxc, commandlineoptionparser, mbsc);
CommandExecutionEngine engine = new CommandExecutionEngine(info);
if (engine.CommandSelector())
engine.runcommand();
}
}
conn.getConnector().close();
}
catch (Exception ex)
{
ex.printStackTrace();
}
}
private static void registerCommands()
{
CommandExecutionEngine.addCommand(Commanddelete.COMMAND_NAME, Commanddelete.class);
CommandExecutionEngine.addCommand(Commandget.COMMAND_NAME, Commandget.class);
CommandExecutionEngine.addCommand(Commandhelp.COMMAND_NAME, Commandhelp.class);
CommandExecutionEngine.addCommand(Commandinfo.COMMAND_NAME, Commandinfo.class);
CommandExecutionEngine.addCommand(Commandlist.COMMAND_NAME, Commandlist.class);
CommandExecutionEngine.addCommand(Commandmove.COMMAND_NAME, Commandmove.class);
CommandExecutionEngine.addCommand(Commandset.COMMAND_NAME, Commandset.class);
CommandExecutionEngine.addCommand(Commandview.COMMAND_NAME, Commandview.class);
CommandExecutionEngine.addCommand(Commandviewcontent.COMMAND_NAME, Commandviewcontent.class);
}
private static void Usage()
{
System.out.println("Connecting to localhost Qpid java broker...");
}
private static String removeSpaces(String s)
{
StringTokenizer st = new StringTokenizer(s, " ", false);
String t = "";
while (st.hasMoreElements())
t += st.nextElement();
return t;
}
private static void connectionrefuse(Exception e)
{
String message = e.getLocalizedMessage();
if (e instanceof SecurityException)
{
message = " authentication failed, please check username and password";
}
else
{
Throwable cause = e.getCause();
while (cause != null)
{
message = cause.getMessage();
cause = cause.getCause();
}
}
System.out.println("Cannot connect with the broker: " + message);
}
public static String[] oneshotmode(String[] args, CommandLineOptionParser commandlineoptionparser,
JMXConnector jmxc, MBeanServerConnection mbsc) throws Exception
{
int check = 0;
String[] temp;
for (int i = 0; i < args.length; i++)
{
if (args[i].compareTo("-h") == 0)
check++;
else if (args[i].compareTo("-p") == 0)
check++;
}
for (int i = 0; i < (args.length - 2 * check); i++)
{ // mulitply by 2 because have to remove the option letter with the
// option value//
args[i] = args[i + check * 2];
}
commandlineoptionparser = new CommandLineOptionParser(args); // change
// the args
// string
// array
// which
// works as
// interactive
// mode//
JMXinfo info = new JMXinfo(jmxc, commandlineoptionparser, mbsc);
CommandExecutionEngine engine = new CommandExecutionEngine(info);
if (engine.CommandSelector())
engine.runcommand();
return args;
}
}
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