Command (OpenNMS 29.0.0 API)

java.lang.Object
- org.opennms.features.jmxconfiggenerator.commands.Command

Direct Known Subclasses:

GraphCreateCommand, JmxCommand, Starter
```
public abstract class Command
extends java.lang.Object
```
Overall Command class to group the available commands and provide common methods.

Field Summary

Fields
Modifier and Type Field Description

protected ConsoleLogAdapter LOG

Constructor Summary

Constructors
Constructor Description

Command()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract void`	`execute()`	Each subclass should implement an execute methode to implement its behaviour.
`protected abstract java.lang.String`	`getDescription()`	Returns the description (used for the usage) of the command.
`protected org.kohsuke.args4j.CmdLineParser`	`getParser()`
`protected boolean`	`isHelp()`
`void`	`printUsage()`	Prints the usage of the command.
`void`	`run(org.kohsuke.args4j.CmdLineParser parser)`	This method is invoked by the Main method to start the execution of the Command.
`protected abstract void`	`validate(org.kohsuke.args4j.CmdLineParser parser)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- LOG
```
protected final ConsoleLogAdapter LOG
```

Constructor Detail
- Command
```
public Command()
```

Method Detail

isHelp
```
protected boolean isHelp()
```

run
```
public void run(org.kohsuke.args4j.CmdLineParser parser)
         throws CmdRunException,
                org.kohsuke.args4j.CmdLineException
```
This method is invoked by the Main method to start the execution of the Command.

Parameters:

parser -

Throws:

java.io.IOException

org.kohsuke.args4j.CmdLineException

CmdRunException

execute
```
protected abstract void execute()
                         throws CmdRunException,
                                org.kohsuke.args4j.CmdLineException
```
Each subclass should implement an execute methode to implement its behaviour.

Throws:

java.io.IOException

org.kohsuke.args4j.CmdLineException

CmdRunException

validate

protected abstract void validate(org.kohsuke.args4j.CmdLineParser parser)
                          throws org.kohsuke.args4j.CmdLineException

Throws:: org.kohsuke.args4j.CmdLineException

printUsage
```
public void printUsage()
```
Prints the usage of the command.

getParser

protected org.kohsuke.args4j.CmdLineParser getParser()

getDescription
```
protected abstract java.lang.String getDescription()
```
Returns the description (used for the usage) of the command.

Returns:

the command's description (used for the usage).