brf.j2me.dynaworks.db
Class StringField

java.lang.Object
  |
  +--brf.j2me.dynaworks.db.RecordField
        |
        +--brf.j2me.dynaworks.db.StringField

public class StringField

extends RecordField

Record field holding a character string of fixed length.

Version:

1.0a1

Author:

Bernd R. Fix

See Also:

RecordField

Field Summary

private java.lang.String

content character string as field data.

Fields inherited from class brf.j2me.dynaworks.db.RecordField

size

Constructor Summary

StringField()
Construct a string field of variable length.

Method Summary

boolean	fromImage(byte[] m) Convert a byte array into string field data.
int	getExpectedSize(byte[] data, int pos) Get the expected length of the string.
java.lang.String	getValue() Get the string data.
void	setValue(java.lang.String str) Set the string data.
byte[]	toImage() Convert the string field data into a byte array.

Methods inherited from class brf.j2me.dynaworks.db.RecordField

getSize

Methods inherited from class java.lang.Object

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

Field Detail

content

private java.lang.String content

character string as field data.

Constructor Detail

StringField

public StringField()

Construct a string field of variable length.

Method Detail

getExpectedSize

public int getExpectedSize(byte[] data,
                           int pos)

Get the expected length of the string.

Overrides:

getExpectedSize in class RecordField

Parameters:

data - byte[] - byte representation of record data

pos - int - offset into record.

Returns:

int - expected length of string.

getValue

public java.lang.String getValue()

Get the string data.

Returns:

String - Character string.

setValue

public void setValue(java.lang.String str)

Set the string data.

Parameters:

str - String - new character string.

toImage

public byte[] toImage()

Convert the string field data into a byte array.

Overrides:

toImage in class RecordField

Returns:

byte[] - array containing the field data.

fromImage

public boolean fromImage(byte[] m)

Convert a byte array into string field data.

Overrides:

fromImage in class RecordField

Parameters:

m - byte[] - array holding the data.

Returns:

boolean - conversion successful?