Package gov.nasa.pds.tools.inventory.reader

Class InventoryTableReader

java.lang.Object

gov.nasa.pds.tools.inventory.reader.InventoryTableReader

All Implemented Interfaces:

InventoryReader

public class InventoryTableReader
extends Object
implements InventoryReader

Class that supports reading of a table-version of the PDS Inventory file.

Author:

mcayanan

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DATA_FILE	XPath to the external table file of a collection.
static final String	FIELD_DELIMITER	XPath to determine the field delimiter being used in the inventory table.
static final String	LIDVID_LID_FIELD_NUMBER	XPath to determine the field location of the LID-LIDVID field in the inventory table.
static final String	MEMBER_STATUS_FIELD_NUMBER	XPath to determine the field location of the member status field in the inventory table.

Constructor Summary

Constructors

Constructor	Description
InventoryTableReader(URL url)	Constructor.

Method Summary

Modifier and Type	Method	Description
URL	getDataFile()	Gets the data file that is being read.
int	getLineNumber()	Gets the line number that was just read.
InventoryEntry	getNext()	Gets the next product file reference in the PDS Inventory file.
long	getNumRecords()	Returns the records number in the PDS Inventory file.

Methods inherited from class java.lang.Object

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

Field Details

FIELD_DELIMITER

public static final String FIELD_DELIMITER

XPath to determine the field delimiter being used in the inventory table.

See Also:

• Constant Field Values

MEMBER_STATUS_FIELD_NUMBER

public static final String MEMBER_STATUS_FIELD_NUMBER

XPath to determine the field location of the member status field in the inventory table.

See Also:

• Constant Field Values

LIDVID_LID_FIELD_NUMBER

public static final String LIDVID_LID_FIELD_NUMBER

XPath to determine the field location of the LID-LIDVID field in the inventory table.

See Also:

• Constant Field Values

DATA_FILE

public static final String DATA_FILE

XPath to the external table file of a collection.

See Also:

• Constant Field Values

Constructor Details

InventoryTableReader

public InventoryTableReader(URL url)
                     throws InventoryReaderException

Constructor.

Parameters:

url - The URL to the PDS Inventory file.

Throws:

InventoryReaderException - If an error occurred while reading the Inventory file.

URISyntaxException

MalformedURLException

Method Details

getDataFile

public URL getDataFile()

Gets the data file that is being read.

Returns:

the data file.

getLineNumber

public int getLineNumber()

Gets the line number that was just read.

Returns:

the line number.

getNumRecords

public long getNumRecords()

Returns the records number in the PDS Inventory file.

getNext

public InventoryEntry getNext()
                       throws InventoryReaderException

Gets the next product file reference in the PDS Inventory file.

Specified by:

getNext in interface InventoryReader

Returns:

A class representation of the next product file reference in the PDS inventory file. If the end-of-file has been reached, a null value will be returned.

Throws:

InventoryReaderException - If an error occurred while reading the Inventory file.