Package com.cleancoder.args

Class ArgsData

java.lang.Object

com.cleancoder.args.ArgsData

public class ArgsData
extends Object

This class is responsible for processing the schema argument in Args constructor and creating mappings between schemas and marshalers.

See Also:

Args

Field Summary

Fields

Modifier and Type	Field	Description
Set<Character>	argsFound
ListIterator<String>	currentArgument
Map<Character,ArgumentMarshaler>	marshalers

Constructor Summary

Constructors

Constructor	Description
ArgsData()

Method Summary

Modifier and Type	Method	Description
void	parseSchema(String schema)	Splits the schema string by commas.
private void	parseSchemaElement(String element)	Creates mapping between elementTail and relevant marshalers by comparing elementTail with predefined tail strings.
private void	validateSchemaElementId(char elementId)	Checks if the first character of each substring in schema is a letter or not.

Methods inherited from class java.lang.Object

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

Field Details

marshalers

public Map<Character,ArgumentMarshaler> marshalers

argsFound

public Set<Character> argsFound

currentArgument

public ListIterator<String> currentArgument

Constructor Details

ArgsData

public ArgsData()

Method Details

parseSchema

public void parseSchema(String schema) throws ArgsException

Splits the schema string by commas.

Parameters:

schema - It is defined in the main file.

Example schema string "f,s*,n#,a##,p[*]".

Throws:

ArgsException - ArgsException ArgsException

parseSchemaElement

private void parseSchemaElement(String element) throws ArgsException

Creates mapping between elementTail and relevant marshalers by comparing elementTail with predefined tail strings.

Tail strings: "*", "#", "##", "[*], "&".

Also, calls validateSchemaElementId method to validate schema element id.

Parameters:

element - schema string as defined in main program.

Throws:

ArgsException - Throws exception INVALID_ARGUMENT_FORMAT if matching tail string is not found.

See Also:

ArgumentMarshaler, BooleanArgumentMarshaler, StringArgumentMarshaler, IntegerArgumentMarshaler, DoubleArgumentMarshaler, StringArrayArgumentMarshaler, MapArgumentMarshaler

validateSchemaElementId

private void validateSchemaElementId(char elementId) throws ArgsException

Checks if the first character of each substring in schema is a letter or not.

Parameters:

elementId - first character of the schema substring.

Example: in schema string "f,s*,3#", substrings are f, s*, 3# ..., f and s* are acceptable but 3# is not acceptable.

Throws:

ArgsException - INVALID_ARGUMENT_NAME if the first character is not a letter.