org.codehaus.plexus.metadata.merge.support
Class DescriptorTag

java.lang.Object
  org.codehaus.plexus.metadata.merge.support.DescriptorTag

Direct Known Subclasses:

PlexusXmlTag

public class DescriptorTag
extends java.lang.Object

Represents the various top-level tags in a deployment descriptor as a typesafe enumeration.

Version:

$Id: DescriptorTag.java 7689 2008-08-23 16:09:20Z jvanzyl $

Constructor Summary

DescriptorTag(java.lang.String tagName)
Constructor.

DescriptorTag(java.lang.String tagName, boolean isMultipleAllowed)
Deprecated. Use DescriptorTag(String,boolean,Class) instead

DescriptorTag(java.lang.String tagName, boolean isMultipleAllowed, java.lang.Class mergeableClass)
Constructor.

Method Summary

Mergeable	createMergeable(org.jdom.Element element) Creates an Mergeable instance from the registered class for this tag instance.
boolean	equals(java.lang.Object other)
java.lang.String	getTagName()
int	hashCode()
boolean	isMergeable() Determines if a particular Tag is mergeable or not.
boolean	isMultipleAllowed() Returns whether the tag may occur multiple times in the descriptor.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

DescriptorTag

public DescriptorTag(java.lang.String tagName)

Constructor.

Parameters:

tagName - The tag name of the element

DescriptorTag

public DescriptorTag(java.lang.String tagName,
                     boolean isMultipleAllowed)

Deprecated. Use DescriptorTag(String,boolean,Class) instead

Constructor.

Parameters:

tagName - The tag name of the element

isMultipleAllowed - Whether the element may occur multiple times in the descriptor

DescriptorTag

public DescriptorTag(java.lang.String tagName,
                     boolean isMultipleAllowed,
                     java.lang.Class mergeableClass)

Constructor.

Parameters:

tagName - The tag name of the element

isMultipleAllowed - Whether the element may occur multiple times in the descriptor

mergeableClass - Concrete implementation of Mergeable that is bound this tag.

Method Detail

equals

public boolean equals(java.lang.Object other)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getTagName

public java.lang.String getTagName()

isMultipleAllowed

public boolean isMultipleAllowed()

Returns whether the tag may occur multiple times in the descriptor.

Returns:

Whether multiple occurrences are allowed

isMergeable

public boolean isMergeable()

Determines if a particular Tag is mergeable or not.

Basically means if we have a Mergeable class registered for a tag instance.

Returns:

true if this tag is mergeable.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

createMergeable

public Mergeable createMergeable(org.jdom.Element element)
                          throws java.lang.Exception

Creates an Mergeable instance from the registered class for this tag instance.

Returns:

instance of Mergeable.

Throws:

java.lang.Exception - if there was an error creating an instance.