jsdsi.sexp
Class SexpList

java.lang.Object
  jsdsi.sexp.Sexp
      jsdsi.sexp.SexpList

All Implemented Interfaces:

java.io.Serializable

public class SexpList

extends Sexp

A parenthesized list of S-expressions, where the first element is always a SexpString and is called the list's "type".

Version:

$Revision: 1.2.2.1 $ $Date: 2005/11/08 03:12:52 $

Author:

Sameer Ajmani

See Also:

Sexp, SexpString, Serialized Form

Field Summary

Fields inherited from class jsdsi.sexp.Sexp

base64Digit, hexDigit

Constructor Summary

SexpList(SexpString type, Sexp[] expressions)
Creates a new list from a type string and an array of S-expressions.

Method Summary

java.lang.String	getType() Returns the type of this list.
boolean	isEmpty() Returns true if this list is empty (i.e., only has a type), false otherwise.
java.util.Iterator	iterator() Returns an iterator over this list, including its type.
int	size() Returns the size of this list, including its type.
void	writeCanonical(java.io.OutputStream out) Writes this S-expression to a byte stream in canonical form.
void	writeReadable(java.io.Writer out, int offset, int width, int last) Writes this S-expression to a character stream in readable form.

Methods inherited from class jsdsi.sexp.Sexp

decodeString, encodeString, getEncoding, getReadableLen, isBase64Digit, isDecimalDigit, isHexDigit, isTokenChar, isWhiteSpace, writeTransport

Methods inherited from class java.lang.Object

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

Constructor Detail

SexpList

public SexpList(SexpString type,
                Sexp[] expressions)

Creates a new list from a type string and an array of S-expressions.

Parameters:

type - the list type string.

expressions - the elements of the list.

Method Detail

getType

public java.lang.String getType()

Returns the type of this list.

Returns:

the type of this list.

size

public int size()

Returns the size of this list, including its type.

Returns:

the size of this list, including its type.

iterator

public java.util.Iterator iterator()

Returns an iterator over this list, including its type. Each element is an Sexp.

Returns:

an iterator over this list, including its type.

isEmpty

public boolean isEmpty()

Returns true if this list is empty (i.e., only has a type), false otherwise.

Returns:

true if this list is empty (i.e., only has a type), false otherwise.

writeCanonical

public void writeCanonical(java.io.OutputStream out)
                    throws java.io.IOException

Description copied from class: Sexp

Writes this S-expression to a byte stream in canonical form.

Specified by:

writeCanonical in class Sexp

Throws:

java.io.IOException

writeReadable

public void writeReadable(java.io.Writer out,
                          int offset,
                          int width,
                          int last)
                   throws java.io.IOException

Description copied from class: Sexp

Writes this S-expression to a character stream in readable form.

Specified by:

writeReadable in class Sexp

Parameters:

offset - spaces indented from left.

width - total width of window, in characters.

last - spaces reserved on right (e.g., for closing parens).

Throws:

java.io.IOException