ArgHandlerExtra (GWT Javadoc)

java.lang.Object
- com.google.gwt.util.tools.ArgHandler
- - com.google.gwt.util.tools.ArgHandlerExtra

```
public abstract class ArgHandlerExtra
extends ArgHandler
```
Argument handler that handles arguments that do not have preceding flags.

Constructor Summary

Constructors
Constructor Description

ArgHandlerExtra()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract boolean`	`addExtraArg(java.lang.String arg)`	Processes the given "extra" argument.
`java.lang.String`	`getTag()`
`int`	`handle(java.lang.String[] args, int startIndex)`	Attempts to process one flag or "extra" command-line argument (that appears without a flag).
`boolean`	`isRequired()`

Methods inherited from class com.google.gwt.util.tools.ArgHandler
getDefaultArgs, getHelpTag, getPurpose, getTagArgs, getTags, isExperimental, isUndocumented

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

- Constructor Detail
  - ArgHandlerExtra
```
public ArgHandlerExtra()
```
- Method Detail
  - addExtraArg
```
public abstract boolean addExtraArg(java.lang.String arg)
```
    Processes the given "extra" argument.
    
    Returns:
    
    false to abort the command and print a usage error.
  - getTag
```
public final java.lang.String getTag()
```
    Specified by:
    
    getTag in class ArgHandler
  - handle
```
public int handle(java.lang.String[] args,
                  int startIndex)
```
    Description copied from class: ArgHandler
    
    Attempts to process one flag or "extra" command-line argument (that appears without a flag).
    
    Specified by:
    
    handle in class ArgHandler
    
    Parameters:
    
    args - the arguments passed in to main()
    
    startIndex - an index into args indicating the first argument to use. If this is a handler for a flag argument. Otherwise it's the index of the "extra" argument.
    
    Returns:
    
    the number of additional arguments consumed, not including the flag or extra argument. Alternately, returns -1 if the argument cannot be used. This will causes the program to abort and usage to be displayed.
  - isRequired
```
public boolean isRequired()
```
    Overrides:
    
    isRequired in class ArgHandler