net.dpml.metro.info
Class Descriptor

java.lang.Object
  net.dpml.metro.info.Descriptor

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

CategoryDescriptor, InfoDescriptor

public abstract class Descriptor

extends Object

implements Serializable

This is the Abstract class for all feature feature descriptors.

Version:

1.0.0

Author:

Digital Product Meta Library

See Also:

Serialized Form

Constructor Summary

protected

Descriptor(Properties attributes) Creation of an abstract descriptor.

Method Summary

boolean	equals(Object other) Compare this object with another for equality.
String	getAttribute(String key) Return the attribute for specified key.
String	getAttribute(String key, String defaultValue) Return the attribute for specified key.
String[]	getAttributeNames() Returns the set of attribute names available under this descriptor.
Properties	getProperties() Returns the property set.
int	hashCode() Return the hashcode for the object.

Methods inherited from class java.lang.Object

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

Constructor Detail

Descriptor

protected Descriptor(Properties attributes)

Creation of an abstract descriptor.

Parameters:

attributes - the set of attributes to assign to the descriptor

Method Detail

getAttribute

public String getAttribute(String key)

Return the attribute for specified key.

Parameters:

key - the attribute key to resolve

Returns:

the attribute for specified key.

getAttribute

public String getAttribute(String key,
                           String defaultValue)

Return the attribute for specified key.

Parameters:

key - the attribute key to resolve

defaultValue - the default value to use if the value is not defined

Returns:

the attribute for specified key.

getAttributeNames

public String[] getAttributeNames()

Returns the set of attribute names available under this descriptor.

Returns:

an array of the properties names held by the descriptor.

equals

public boolean equals(Object other)

Compare this object with another for equality.

Parameters:

other - the object to compare this object with

Returns:

TRUE if the supplied object equivalent

hashCode

public int hashCode()

Return the hashcode for the object.

Returns:

the hashcode value

getProperties

public Properties getProperties()

Returns the property set.

Returns:

the property set.