netscape.ldap
Class LDAPAttribute

java.lang.Object
  netscape.ldap.LDAPAttribute

All Implemented Interfaces:

Serializable

public class LDAPAttribute

extends Object

implements Serializable

Represents the name and values of an attribute in an entry.

See Also:

LDAPAttributeSet, Serialized Form

Constructor Summary

LDAPAttribute(BERElement element)
Constructs an attribute from a BER (Basic Encoding Rules) element.

LDAPAttribute(LDAPAttribute attr)
Constructs an attribute from another existing attribute.

LDAPAttribute(String attrName)
Constructs an attribute with no values.

LDAPAttribute(String attrName, byte[] attrValue)
Constructs an attribute with a byte-formatted value.

LDAPAttribute(String attrName, String attrValue)
Constructs an attribute that has a single string value.

LDAPAttribute(String attrName, String[] attrValues)
Constructs an attribute that has an array of string values.

Method Summary

void	addValue(byte[] attrValue) Adds a byte[]-formatted value to the attribute.
void	addValue(String attrValue) Adds a string value to the attribute.
String	getBaseName() Extracts the base name from the attribute name of the current LDAPAttribute object.
static String	getBaseName(String attrName) Extracts the base name from the specified attribute name.
BERElement	getBERElement() Retrieves the BER (Basic Encoding Rules) representation of an attribute.
byte[][]	getByteValueArray() Returns the values of the attribute in an array of byte[] format.
Enumeration	getByteValues() Returns an enumerator for the values of the attribute in byte[] format.
String	getLangSubtype() Extracts the language subtype from the attribute name of the LDAPAttribute object, if any.
String	getName() Returns the name of the attribute.
String[]	getStringValueArray() Returns the values of the attribute as an array of String objects.
Enumeration	getStringValues() Returns an enumerator for the string values of an attribute.
String[]	getSubtypes() Extracts the subtypes from the attribute name of the current LDAPAttribute object.
static String[]	getSubtypes(String attrName) Extracts the subtypes from the specified attribute name.
boolean	hasSubtype(String subtype) Reports whether the attribute name contains the specified subtype.
boolean	hasSubtypes(String[] subtypes) Reports if the attribute name contains all specified subtypes For example, if you check for the subtypes lang-en and phonetic and the attribute name is cn;lang-en;phonetic, this method returns true.
void	removeValue(byte[] attrValue) Removes a byte[]-formatted value from the attribute.
void	removeValue(String attrValue) Removes a string value from the attribute.
int	size() Returns the number of values of the attribute.
String	toString() Retrieves the string representation of an attribute in an LDAP entry.

Methods inherited from class java.lang.Object

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

Constructor Detail

LDAPAttribute

public LDAPAttribute(LDAPAttribute attr)

Constructs an attribute from another existing attribute. Effectively, this makes a copy of the existing attribute.

Parameters:

attr - the attribute to copy

LDAPAttribute

public LDAPAttribute(String attrName)

Constructs an attribute with no values.

Parameters:

attrName - name of the attribute

LDAPAttribute

public LDAPAttribute(String attrName,
                     byte[] attrValue)

Constructs an attribute with a byte-formatted value.

Parameters:

attrName - name of the attribute

attrValue - value of the attribute in byte format

LDAPAttribute

public LDAPAttribute(String attrName,
                     String attrValue)

Constructs an attribute that has a single string value.

Parameters:

attrName - name of the attribute

attrValue - value of the attribute in String format

LDAPAttribute

public LDAPAttribute(String attrName,
                     String[] attrValues)

Constructs an attribute that has an array of string values.

Parameters:

attrName - name of the attribute

attrValues - the list of string values for this attribute

LDAPAttribute

public LDAPAttribute(BERElement element)
              throws IOException

Constructs an attribute from a BER (Basic Encoding Rules) element. (The protocol elements of LDAP are encoded for exchange using the Basic Encoding Rules.)

Parameters:

element - element that you want translated into an attribute

Throws:

IOException - The attribute could not be created from the specified element.

Method Detail

size

public int size()

Returns the number of values of the attribute.

Returns:

number of values for this attribute.

getStringValues

public Enumeration getStringValues()

Returns an enumerator for the string values of an attribute.

Returns:

enumerator for the string values.

getStringValueArray

public String[] getStringValueArray()

Returns the values of the attribute as an array of String objects.

Returns:

array of attribute values. Each element in the array is a String object.

getByteValues

public Enumeration getByteValues()

Returns an enumerator for the values of the attribute in byte[] format.

Returns:

a set of attribute values. Each element in the enumeration is of type byte[].

getByteValueArray

public byte[][] getByteValueArray()

Returns the values of the attribute in an array of byte[] format.

Returns:

array of attribute values. Each element in the array will be of type byte[].

getName

public String getName()

Returns the name of the attribute.

Returns:

name of the attribute.

getSubtypes

public static String[] getSubtypes(String attrName)

Extracts the subtypes from the specified attribute name. For example, if the attribute name is cn;lang-ja;phonetic, this method returns an array containing lang-ja and phonetic.

Parameters:

attrName - name of the attribute from which to extract the subtypes

Returns:

array of subtypes, or null (if the name has no subtypes).

See Also:

getBaseName(java.lang.String)

getSubtypes

public String[] getSubtypes()

Extracts the subtypes from the attribute name of the current LDAPAttribute object. For example, if the attribute name is cn;lang-ja;phonetic, this method returns an array containing lang-ja and phonetic.

Returns:

array of subtypes, or null (if the name has no subtypes).

getLangSubtype

public String getLangSubtype()

Extracts the language subtype from the attribute name of the LDAPAttribute object, if any. For example, if the attribute name is cn;lang-ja;phonetic, this method returns the String lang-ja.

Returns:

the language subtype, or null (if the name has no language subtype).

getBaseName

public static String getBaseName(String attrName)

Extracts the base name from the specified attribute name. For example, if the attribute name is cn;lang-ja;phonetic, this method returns cn.

Parameters:

attrName - name of the attribute from which to extract the base name

Returns:

base name (the attribute name without any subtypes).

See Also:

getSubtypes(java.lang.String)

getBaseName

public String getBaseName()

Extracts the base name from the attribute name of the current LDAPAttribute object. For example, if the attribute name is cn;lang-ja;phonetic, this method returns cn.

Returns:

base name (the attribute name without any subtypes).

See Also:

getSubtypes(java.lang.String)

hasSubtype

public boolean hasSubtype(String subtype)

Reports whether the attribute name contains the specified subtype. For example, if you check for the subtype lang-en and the attribute name is cn;lang-en, this method returns true.

Parameters:

subtype - the single subtype for which you want to check

Returns:

true if the attribute name contains the specified subtype.

See Also:

getSubtypes(java.lang.String)

hasSubtypes

public boolean hasSubtypes(String[] subtypes)

Reports if the attribute name contains all specified subtypes For example, if you check for the subtypes lang-en and phonetic and the attribute name is cn;lang-en;phonetic, this method returns true. If the attribute name is cn;phonetic or cn;lang-en, this method returns false.

Parameters:

subtypes - an array of subtypes to check

Returns:

true if the attribute name contains all subtypes

See Also:

getSubtypes(java.lang.String)

addValue

public void addValue(String attrValue)

Adds a string value to the attribute.

Parameters:

attrValue - the string value to add to the attribute

addValue

public void addValue(byte[] attrValue)

Adds a byte[]-formatted value to the attribute.

Parameters:

attrValue - the byte[]-formatted value to add to the attribute

removeValue

public void removeValue(String attrValue)

Removes a string value from the attribute.

Parameters:

attrValue - the string value to remove

removeValue

public void removeValue(byte[] attrValue)

Removes a byte[]-formatted value from the attribute.

Parameters:

attrValue - byte[]-formatted value to remove

getBERElement

public BERElement getBERElement()

Retrieves the BER (Basic Encoding Rules) representation of an attribute. (The protocol elements of LDAP are encoded for exchange using the Basic Encoding Rules.)

Returns:

the BER representation of the attribute.

toString

public String toString()

Retrieves the string representation of an attribute in an LDAP entry. For example:

LDAPAttribute {type='cn', values='Barbara Jensen,Babs Jensen'}

Returns:

string representation of the attribute.