uk.ac.ed.epcc.safe.accounting.parsers.value

Class DefaultFormatter<T>

java.lang.Object

uk.ac.ed.epcc.safe.accounting.parsers.value.DefaultFormatter<T>

Type Parameters:

T - target type

All Implemented Interfaces:

ValueFormatter<T>, ValueParser<T>

public class DefaultFormatter<T>
extends java.lang.Object
implements ValueParser<T>

This class implements fall-back formatting rules for objects. This will be used by the ParameterExtension to domain objects produced in parameter forms. If these parameters are to be used in a filter etc. Then the formatting needs to be compatible with the parse methods of ReferenceValueParser

Author:

spb

Constructor Summary

Constructors

Constructor and Description
DefaultFormatter(java.lang.Class<T> clazz)

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	format(java.lang.Object value) Format a value as a string.
java.lang.Class<T>	getType() Returns the Class of object this ValueParser can handle.
T	parse(java.lang.String valueString) Parses the specified string and constructs the appropriate object out of it.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFormatter

public DefaultFormatter(java.lang.Class<T> clazz)

Method Detail

getType

public java.lang.Class<T> getType()

Description copied from interface: ValueParser

Returns the Class of object this ValueParser can handle. The ValueParser.parse(String) method must return objects that are assignable to this type. The #format(T) method can format any object assignable to this type. The returned class will be the exact Class (i.e. not a subclass) of this ValueParser's type

Specified by:

getType in interface ValueFormatter<T>

Specified by:

getType in interface ValueParser<T>

Returns:

The Type of this ValueParser

parse

public T parse(java.lang.String valueString)
        throws ValueParseException

Description copied from interface: ValueParser

Parses the specified string and constructs the appropriate object out of it.

Specified by:

parse in interface ValueParser<T>

Throws:

ValueParseException - If valueString is not of a format that allows this parser to convert it into an object of type T

Parameters:

valueString - The string to parse

Returns:

The object representation of valueString

format

public java.lang.String format(java.lang.Object value)

Description copied from interface: ValueParser

Format a value as a string. The resulting string must be in a form that can be parsed by this ValueParser

Specified by:

format in interface ValueFormatter<T>

Specified by:

format in interface ValueParser<T>

Parameters:

value - The object to format

Returns:

String