org.hecl

Class StringThing

java.lang.Object

org.hecl.StringThing

All Implemented Interfaces:

RealThing

public class StringThing
extends java.lang.Object
implements RealThing

The StringThing class is the internal representation of string types. This is somewhat special, as all types in Hecl may be represented as strings.

Constructor Summary

Constructors

Constructor and Description
StringThing() Creates a new, empty StringThing instance.
StringThing(java.lang.String s) Creates a new StringThing instance from a string.
StringThing(java.lang.StringBuffer sb) Creates a new StringThing instance from a stringbuffer.

Method Summary

Modifier and Type	Method and Description
void	append(char ch) append takes a character and appends it to the string.
void	append(java.lang.String str) append appends a string to the string.
static Thing	create(java.lang.String s) The create method creates and returns a newly allocated Thing with a StringThing internal representation.
RealThing	deepcopy() deepcopy copies the string.
static java.lang.String	get(Thing thing) get returns a string representation of a given Thing, transforming the thing into a string type at the same time.
java.lang.String	getStringRep() getStringRep returns its internal value.
java.lang.String	thingclass()

Methods inherited from class java.lang.Object

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

Constructor Detail

StringThing

public StringThing()

Creates a new, empty StringThing instance.

StringThing

public StringThing(java.lang.String s)

Creates a new StringThing instance from a string.

Parameters:

s - a String value

StringThing

public StringThing(java.lang.StringBuffer sb)

Creates a new StringThing instance from a stringbuffer.

Parameters:

sb - a StringBuffer value

Method Detail

thingclass

public java.lang.String thingclass()

Specified by:

thingclass in interface RealThing

create

public static Thing create(java.lang.String s)

The create method creates and returns a newly allocated Thing with a StringThing internal representation.

Parameters:

s - A String value which may be null.

Returns:

A Thing value

get

public static java.lang.String get(Thing thing)

get returns a string representation of a given Thing, transforming the thing into a string type at the same time.

Parameters:

thing - a Thing value

Returns:

a String value

deepcopy

public RealThing deepcopy()

deepcopy copies the string.

Specified by:

deepcopy in interface RealThing

Returns:

a RealThing value

getStringRep

public java.lang.String getStringRep()

getStringRep returns its internal value.

Specified by:

getStringRep in interface RealThing

Returns:

a String value

append

public void append(char ch)

append takes a character and appends it to the string.

Parameters:

ch - a char value

append

public void append(java.lang.String str)

append appends a string to the string.

Parameters:

str - a String value