org.nbnResolving.common
Class DnbUrnValidator

java.lang.Object
  org.nbnResolving.common.Rfc3188Validator
      org.nbnResolving.common.DnbUrnValidator

public class DnbUrnValidator
extends Rfc3188Validator

Class extending the validation of an URN from RFC level to the German National Library URN policy level (more strict). "http://urn.dnb.de"

Author:

Kadir Karaca Kocer

Field Summary

static int	CHECKSUM_NOT_A_NUMBER Checksum must be a number
static int	INVALID_CHECKSUM Wrong checksum
static int	MAX_NAMESPACE_LENGTH Max NAMESPACE length
static int	MAX_UNIQUE_PART_LENGTH Max UNIQUE PART length
static int	MAX_URN_LENGTH Max URN length
static int	MIN_URN_LENGTH Min URN length
static int	NAMESPACE_TOO_LONG Namespace must be shorter than 52 characters
static int	NO_SEPERATOR Parts of an URN must be separated by a - character
static int	UNIQUE_PART_TOO_LONG Unique ID part can be max 200 characters + checksum digit
static int	UNKNOWN_NAMESPACE Namespace not registered
static int	URN_TOO_LONG URNs must be shorter than 254 characters
static int	URN_TOO_SHORT URNs must be longer than 15 characters

Fields inherited from class org.nbnResolving.common.Rfc3188Validator

BAD_COUNTRY_CODE, EMPTY_NBN_STRING, EMPTY_SUBNAMESPACE, INVALID_CHAR_NBN, INVALID_CHAR_NID, iso3106Codes, MUST_START_WITH_URN, NID_TOO_SHORT, NOT_A_NBN, NOT_TWO_DIGIT_CODE, PART_COUNT_TOO_LOW, URN_EQUALS_NULL, URN_IS_EMPTY, URN_IS_VALID, VALID_CHARS

Constructor Summary

DnbUrnValidator()

Method Summary

static int

validateUrn(String urn) Validates if the given URN is compliant German National Library URN policy.

Methods inherited from class org.nbnResolving.common.Rfc3188Validator

charsValid

Methods inherited from class java.lang.Object

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

Field Detail

MIN_URN_LENGTH

public static final int MIN_URN_LENGTH

Min URN length

See Also:

Constant Field Values

MAX_URN_LENGTH

public static final int MAX_URN_LENGTH

Max URN length

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Constant Field Values

MAX_NAMESPACE_LENGTH

public static final int MAX_NAMESPACE_LENGTH

Max NAMESPACE length

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Constant Field Values

MAX_UNIQUE_PART_LENGTH

public static final int MAX_UNIQUE_PART_LENGTH

Max UNIQUE PART length

See Also:

Constant Field Values

URN_TOO_SHORT

public static final int URN_TOO_SHORT

URNs must be longer than 15 characters

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Constant Field Values

URN_TOO_LONG

public static final int URN_TOO_LONG

URNs must be shorter than 254 characters

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Constant Field Values

NO_SEPERATOR

public static final int NO_SEPERATOR

Parts of an URN must be separated by a - character

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Constant Field Values

NAMESPACE_TOO_LONG

public static final int NAMESPACE_TOO_LONG

Namespace must be shorter than 52 characters

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Constant Field Values

UNIQUE_PART_TOO_LONG

public static final int UNIQUE_PART_TOO_LONG

Unique ID part can be max 200 characters + checksum digit

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Constant Field Values

CHECKSUM_NOT_A_NUMBER

public static final int CHECKSUM_NOT_A_NUMBER

Checksum must be a number

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Constant Field Values

INVALID_CHECKSUM

public static final int INVALID_CHECKSUM

Wrong checksum

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Constant Field Values

UNKNOWN_NAMESPACE

public static final int UNKNOWN_NAMESPACE

Namespace not registered

See Also:

Constant Field Values

Constructor Detail

DnbUrnValidator

public DnbUrnValidator()

Method Detail

validateUrn

public static int validateUrn(String urn)

Validates if the given URN is compliant German National Library URN policy.

Parameters:

urn - A National Bibliography Number as Uniform Resource Name according to RFC 3188.

Returns:

0 for a valid URN. An integer in case of a violation against RFC 3188 or German National Library URN:NBN Policy. See the predefined constants.