Package com.google.gwt.util.tools

Class ArgHandlerExtra

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

Modifier and Type	Method	Description
abstract boolean	addExtraArg(String arg)	Processes the given "extra" argument.
final String	getTag()
int	handle(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 Details

ArgHandlerExtra

public ArgHandlerExtra()

Method Details

addExtraArg

public abstract boolean addExtraArg(String arg)

Processes the given "extra" argument.

Returns:

false to abort the command and print a usage error.

getTag

public final String getTag()

Specified by:

getTag in class ArgHandler

handle

public int handle(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