Class ParadoxFile

java.lang.Object
   |
   +----ParadoxFile

public class ParadoxFile

extends Object

ParadoxFile()

construct class needing call to readTableHeader(filename) to use

ParadoxFile(String)

open given file and read header data

closeParadoxFile()

close file also called on any file error to assure pdxRW set null so isOK() returns false; data block and record buffer also set null to indicate unsafe to use

formatDate(int[])

format date as mo/da/year string

getCurrentRecordNumber()

get current record number

getDateField(int)

get value of date field by offset into field list

getDateField(String)

get value of named date field

getFieldCount()

get number of fields in each record

getFieldNames()

get field names

getFieldTypes()

get field types

getFirstRecord()

get first record in paradox table to rawRecordData

getFormattedField(int)

format data for reports

getIntField(int)

get value of small integer field by offset in field list

getIntField(String)

get value of named small integer field

getKeyFieldCount()

get number of key fields

getLastRecord()

get last record in paradox table

getNextRecord()

get next record in paradox table to rawRecordData

getNumberField(int)

get value of numeric field by offset in field list

getNumberField(String)

get value of named numeric field

getPreviousRecord()

get previous record in paradox table

getRecordCount()

get number of records

getStringField(int)

get value of String field by offset into field list

getStringField(String)

get value of named String field

isDataReady()

did last record fetch succeed?

isOK()

is paradox file ready to use?

main(String[])

ParadoxFile command line handler

readTableHeader(String)

open table and read header data

toString()

 public ParadoxFile()

construct class needing call to readTableHeader(filename) to use

 public ParadoxFile(String fileName)

open given file and read header data

Parameters:

name - of paradox version 3.5 table follow with isOK() test to determine if table ready to use

 public String toString()

Overrides:

toString in class Object

 public boolean isOK()

is paradox file ready to use?

Returns:

true if file ready for use ready to use means file found available for read and write, header read, description values parsed, and a request for table record can be honored.

 public boolean isDataReady()

did last record fetch succeed?

Returns:

true if valid data available

 public void readTableHeader(String fileName)

open table and read header data

Parameters:

InputFileName returns - without header variables set on error

 public void closeParadoxFile()

close file also called on any file error to assure pdxRW set null so isOK() returns false; data block and record buffer also set null to indicate unsafe to use

 public void getFirstRecord()

get first record in paradox table to rawRecordData

 public void getNextRecord()

get next record in paradox table to rawRecordData

 public void getPreviousRecord()

get previous record in paradox table

 public void getLastRecord()

get last record in paradox table

 public String[] getFieldNames()

get field names

Returns:

String array of field names note: this gives recipient opportunity to modify array element values

 public char[] getFieldTypes()

get field types

Returns:

char array of field type codes note: this gives recipient opportunity to modify array element values

 public int getRecordCount()

get number of records

Returns:

number of records in file

 public int getCurrentRecordNumber()

get current record number

Returns:

current record index in table

 public int getFieldCount()

get number of fields in each record

Returns:

field count

 public int getKeyFieldCount()

get number of key fields

Returns:

key field count

 public String getFormattedField(int fieldIdx)

format data for reports

Parameters:

field - list offest

Returns:

string with field data using default format or "" on unknown

 public double getNumberField(String fieldName)

get value of named numeric field

Parameters:

field - name

Returns:

double value, NaN indicates no field data

 public double getNumberField(int fieldIdx)

get value of numeric field by offset in field list

Parameters:

field - offset in record

Returns:

double value, NaN indicates no field data

 public int getIntField(String fieldName)

get value of named small integer field

Parameters:

field - name

Returns:

double value, INT_NULL indicates no field data

 public int getIntField(int fieldIdx)

get value of small integer field by offset in field list

Parameters:

field - offset in record

Returns:

double value, INT_NULL indicates no field data

 public int[] getDateField(String fieldName)

get value of named date field

Parameters:

field - name

Returns:

int array with year, month, and day or null on blank

 public int[] getDateField(int fieldIdx)

get value of date field by offset into field list

Parameters:

field - name

Returns:

int array with year, month, and day or null on blank

 public static String formatDate(int yrMoDa[])

format date as mo/da/year string

Parameters:

getDateField - return integer array

Returns:

string in form mo/da/year

 public String getStringField(String fieldName)

get value of named String field

Parameters:

field - name

Returns:

String, null indicates no field data

 public String getStringField(int fieldIdx)

get value of String field by offset into field list

Parameters:

field - name

Returns:

String, null indicates no field data

 public static void main(String args[])

ParadoxFile command line handler

Parameters:

name - of Paradox file to examine usage: 'java ParadoxFile table.db' writes record data to standard output