Package de.intarsys.tools.functor

Class ChainedArgs

java.lang.Object

de.intarsys.tools.functor.ChainedArgs

All Implemented Interfaces:

IArgs

public class ChainedArgs
extends java.lang.Object
implements IArgs

An IArgs implementation allowing to concat two IArgs together. Lookup will be performed in "args" first. If nothing is found, lookup is done in "fallbackArgs".

Field Summary

Fields inherited from interface de.intarsys.tools.functor.IArgs

ARG_ARGS

Constructor Summary

Constructors

Constructor	Description
ChainedArgs(IArgs args, IArgs fallbackArgs)	Create new ChainedArgs where args are always looked up first.

Method Summary

Modifier and Type	Method	Description
void	add(java.lang.Object object)
void	clear()
java.lang.Object	get(int index)	The argument at position index.
java.lang.Object	get(int index, java.lang.Object defaultValue)	The argument at position index
java.lang.Object	get(java.lang.String name)	The argument named name.
java.lang.Object	get(java.lang.String name, java.lang.Object defaultValue)	The argument named name or the defaultValue if not available.
IArgs	getArgs()	The main (primary) IArgs.
IArgs	getFallbackArgs()	The fallback (secondary) IArgs;
boolean	isDefined(int index)	true if an argument at index is defined.
boolean	isDefined(java.lang.String name)	true if an argument named name is defined.
boolean	isIndexed()	true if this argument list is indexed.
boolean	isNamed()	true if this argument list is named.
java.util.Set	names()	The set of all argument names in the argument list if this argument list is not indexed or null.
void	put(int index, java.lang.Object value)
void	put(java.lang.String name, java.lang.Object value)
int	size()	The total number of arguments.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

ChainedArgs

public ChainedArgs(IArgs args,
                   IArgs fallbackArgs)

Create new ChainedArgs where args are always looked up first. If lookup fails, fallbackArgs are used.

Parameters:

args - The main IArgs to use for lookup

fallbackArgs - The fallback IArgs for lookup

Method Detail

add

public void add(java.lang.Object object)

Specified by:

add in interface IArgs

clear

public void clear()

Specified by:

clear in interface IArgs

get

public java.lang.Object get(int index)

Description copied from interface: IArgs

The argument at position index.

Specified by:

get in interface IArgs

Parameters:

index - The index of the argument to return.

Returns:

The argument at position index.

get

public java.lang.Object get(int index,
                            java.lang.Object defaultValue)

Description copied from interface: IArgs

The argument at position index

Specified by:

get in interface IArgs

Parameters:

index - The index of the argument to return.

defaultValue - The default value to be returned if argument is not available.

Returns:

The argument at position index

get

public java.lang.Object get(java.lang.String name)

Description copied from interface: IArgs

The argument named name.

Specified by:

get in interface IArgs

Parameters:

name - The name of the argument to return.

Returns:

The argument named name .

get

public java.lang.Object get(java.lang.String name,
                            java.lang.Object defaultValue)

Description copied from interface: IArgs

The argument named name or the defaultValue if not available.

Specified by:

get in interface IArgs

Parameters:

name - The name of the argument to return.

defaultValue - The default value to be returned if argument is not available.

Returns:

The argument named name

getArgs

public IArgs getArgs()

The main (primary) IArgs.

Returns:

The main (primary) IArgs.

getFallbackArgs

public IArgs getFallbackArgs()

The fallback (secondary) IArgs;

Returns:

The fallback (secondary) IArgs;

isDefined

public boolean isDefined(int index)

Description copied from interface: IArgs

true if an argument at index is defined.

Specified by:

isDefined in interface IArgs

Returns:

true if an argument at index is defined.

isDefined

public boolean isDefined(java.lang.String name)

Description copied from interface: IArgs

true if an argument named name is defined.

Specified by:

isDefined in interface IArgs

Returns:

true if an argument named name is defined.

isIndexed

public boolean isIndexed()

Description copied from interface: IArgs

true if this argument list is indexed. This means its elements are available via integer indexes.

This does NOT mean the arguments are not available via names - there are implementations that can support both.

Specified by:

isIndexed in interface IArgs

Returns:

true if this argument list is indexed.

isNamed

public boolean isNamed()

Description copied from interface: IArgs

true if this argument list is named. This means its elements are available via names.

This does NOT mean the arguments are not available via indexes - there are implementations that can support both.

Specified by:

isNamed in interface IArgs

Returns:

true if this argument list is named.

names

public java.util.Set names()

Description copied from interface: IArgs

The set of all argument names in the argument list if this argument list is not indexed or null.

Specified by:

names in interface IArgs

Returns:

The set of all argument names in the argument list if this argument list is not indexed or null.

put

public void put(int index,
                java.lang.Object value)

Specified by:

put in interface IArgs

put

public void put(java.lang.String name,
                java.lang.Object value)

Specified by:

put in interface IArgs

size

public int size()

Description copied from interface: IArgs

The total number of arguments.

Specified by:

size in interface IArgs

Returns:

The total number of arguments.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object