wt.org
Class DefaultAttributeHolder

java.lang.Object
  wt.org.DefaultAttributeHolder

All Implemented Interfaces:

AttributeHolder, Externalizable, Serializable

public class DefaultAttributeHolder

extends Object

implements AttributeHolder, Externalizable

Supported API: false

Extendable: false

See Also:

Serialized Form

Field Summary

private Hashtable	attributes
private static HashMap	baseKeys
private static String	CLASSNAME
static long	EXTERNALIZATION_VERSION_UID
private Hashtable	keys
protected static long	OLD_FORMAT_VERSION_UID
private static String	RESOURCE
(package private) static long	serialVersionUID

Constructor Summary

DefaultAttributeHolder()


Supported API: false

Method Summary

private void	_addKey(String normalized, String unnormalized)
private String	_normalizeName(String name)
void	addValue(String attr_name, Object value) Adds value to attribute.
Enumeration	getAttrNames() Returns all names of the attributes held by the object.
Object	getSingleValue(String attr_name) Return one value associated with the attribute name.
Enumeration	getValues(String attr_name) Returns the values associated with a given attribute name.
void	readExternal(ObjectInput input) Reads the non-transient fields of this class from an external source.
private boolean	readOldVersion(ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source, which is not the current version.
protected boolean	readVersion(DefaultAttributeHolder thisObject, ObjectInput input, long readSerialVersionUID, boolean passThrough, boolean superDone) Reads the non-transient fields of this class from an external source.
void	removeAttribute(String attr_name) Removes an attribute from the object (with all its values).
void	removeValue(String attr_name, Object value) Removes a specific value from the attribute.
void	replaceValue(String attr_name, Object value) Replaces object for all the current values of the attribute.
void	setValue(String attr_name, Object value) Replaces object for all the current values of the attribute.
String	toString() Creates string representation of the attribute holder.
void	writeExternal(ObjectOutput output) Writes the non-transient fields of this class to an external source.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE

private static final String RESOURCE

See Also:

Constant Field Values

CLASSNAME

private static final String CLASSNAME

attributes

private Hashtable attributes

keys

private Hashtable keys

serialVersionUID

static final long serialVersionUID

See Also:

Constant Field Values

EXTERNALIZATION_VERSION_UID

public static final long EXTERNALIZATION_VERSION_UID

See Also:

Constant Field Values

OLD_FORMAT_VERSION_UID

protected static final long OLD_FORMAT_VERSION_UID

See Also:

Constant Field Values

baseKeys

private static final HashMap baseKeys

Constructor Detail

DefaultAttributeHolder

public DefaultAttributeHolder()

Supported API: false

Method Detail

writeExternal

public void writeExternal(ObjectOutput output)
                   throws IOException

Writes the non-transient fields of this class to an external source.

Supported API: false

Specified by:

writeExternal in interface Externalizable

Parameters:

output -

Throws:

IOException

readExternal

public void readExternal(ObjectInput input)
                  throws IOException,
                         ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Specified by:

readExternal in interface Externalizable

Parameters:

input -

Throws:

IOException

ClassNotFoundException

readVersion

protected boolean readVersion(DefaultAttributeHolder thisObject,
                              ObjectInput input,
                              long readSerialVersionUID,
                              boolean passThrough,
                              boolean superDone)
                       throws IOException,
                              ClassNotFoundException

Reads the non-transient fields of this class from an external source.

Supported API: false

Parameters:

thisObject -

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

readOldVersion

private boolean readOldVersion(ObjectInput input,
                               long readSerialVersionUID,
                               boolean passThrough,
                               boolean superDone)
                        throws IOException,
                               ClassNotFoundException

Reads the non-transient fields of this class from an external source, which is not the current version.

Parameters:

input -

readSerialVersionUID -

passThrough -

superDone -

Returns:

boolean

Throws:

IOException

ClassNotFoundException

getValues

public Enumeration getValues(String attr_name)
                      throws WTException

Returns the values associated with a given attribute name.

Supported API: false

Specified by:

getValues in interface AttributeHolder

Parameters:

attr_name -

Returns:

Enumeration

Throws:

WTException

getSingleValue

public Object getSingleValue(String attr_name)
                      throws WTException

Return one value associated with the attribute name. Handy method if one knows that the attribute holds just a single value. Returns null if no value is associated with the attribute.

Supported API: false

Specified by:

getSingleValue in interface AttributeHolder

Parameters:

attr_name -

Returns:

Object

Throws:

WTException

getAttrNames

public Enumeration getAttrNames()
                         throws WTException

Returns all names of the attributes held by the object.

Supported API: false

Specified by:

getAttrNames in interface AttributeHolder

Returns:

Enumeration

Throws:

WTException

addValue

public void addValue(String attr_name,
                     Object value)
              throws WTException

Adds value to attribute. Creates attribute if this is the first time.

Supported API: false

Specified by:

addValue in interface AttributeHolder

Parameters:

attr_name -

value -

Throws:

WTException

setValue

public void setValue(String attr_name,
                     Object value)
              throws WTException

Replaces object for all the current values of the attribute.

Supported API: false

Specified by:

setValue in interface AttributeHolder

Parameters:

attr_name -

value -

Throws:

WTException

replaceValue

public void replaceValue(String attr_name,
                         Object value)
                  throws WTException

Replaces object for all the current values of the attribute.

Supported API: false

Specified by:

replaceValue in interface AttributeHolder

Parameters:

attr_name -

value -

Throws:

WTException

removeValue

public void removeValue(String attr_name,
                        Object value)
                 throws WTException

Removes a specific value from the attribute. If the value is the last one the attribute is removed as well.

Supported API: false

Specified by:

removeValue in interface AttributeHolder

Parameters:

attr_name -

value -

Throws:

WTException

removeAttribute

public void removeAttribute(String attr_name)
                     throws WTException

Removes an attribute from the object (with all its values).

Supported API: false

Specified by:

removeAttribute in interface AttributeHolder

Parameters:

attr_name -

Throws:

WTException

toString

public String toString()

Creates string representation of the attribute holder.

Supported API: false

Specified by:

toString in interface AttributeHolder

Returns:

String

_normalizeName

private String _normalizeName(String name)

_addKey

private void _addKey(String normalized,
                     String unnormalized)