org.dspace.app.xmlui.wing.element
Class Metadata

java.lang.Object
  org.dspace.app.xmlui.wing.element.AbstractWingElement
      org.dspace.app.xmlui.wing.element.Container
          org.dspace.app.xmlui.wing.element.TextContainer
              org.dspace.app.xmlui.wing.element.Metadata

All Implemented Interfaces:

MetadataElement, WingElement

public class Metadata
extends TextContainer
implements MetadataElement

This is a class representing an individual metadata field in pseudo-dublin core format. The metadata elements carries generic metadata information in the form of an attribute-value pair.

Author:

Scott Phillips

Field Summary

static String	A_ELEMENT The name of the element attribute
static String	A_LANGUAGE The name of the language attribute
static String	A_QUALIFIER The name of the qualifier attribute
static String	E_METADATA The name of the metadata element

Fields inherited from class org.dspace.app.xmlui.wing.element.Container

contents

Fields inherited from class org.dspace.app.xmlui.wing.element.AbstractWingElement

context

Fields inherited from interface org.dspace.app.xmlui.wing.element.MetadataElement

A_REPOSITORY_IDENTIFIER

Constructor Summary

protected

Metadata(WingContext context, String element, String qualifier, String language, boolean allowMultiple) Construct a new metadata.

Method Summary

protected boolean	allowMultiple() If an metadata with the same element, qualifier, and language exist within the document should this metadata element be added into the document or should only one metadata be allowed.
protected boolean	equals(String element, String qualifier, String language) Determine if the given element, qualifier, and lang are equal to this metadata.
void	toSAX(ContentHandler contentHandler, LexicalHandler lexicalHandler, NamespaceSupport namespaces) Translate into SAX events.

Methods inherited from class org.dspace.app.xmlui.wing.element.TextContainer

addContent, addContent, addContent

Methods inherited from class org.dspace.app.xmlui.wing.element.Container

dispose

Methods inherited from class org.dspace.app.xmlui.wing.element.AbstractWingElement

endElement, endElement, getWingContext, greater, lesser, require, require, requireFalse, requireTrue, restrict, sendCharacters, setWingContext, startElement, startElement

Methods inherited from class java.lang.Object

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

Field Detail

E_METADATA

public static final String E_METADATA

The name of the metadata element

See Also:

Constant Field Values

A_ELEMENT

public static final String A_ELEMENT

The name of the element attribute

See Also:

Constant Field Values

A_QUALIFIER

public static final String A_QUALIFIER

The name of the qualifier attribute

See Also:

Constant Field Values

A_LANGUAGE

public static final String A_LANGUAGE

The name of the language attribute

See Also:

Constant Field Values

Constructor Detail

Metadata

protected Metadata(WingContext context,
                   String element,
                   String qualifier,
                   String language,
                   boolean allowMultiple)
            throws WingException

Construct a new metadata.

Parameters:

element - (Required) The element of this metadata

qualifier - (May be null) The qualifier of this metadata

language - (May be null) The language of this metadata

allowMultiple - (Required) Are multiple metadata elements with the same element, qualifier, and language allowed?

Throws:

WingException

Method Detail

allowMultiple

protected boolean allowMultiple()

If an metadata with the same element, qualifier, and language exist within the document should this metadata element be added into the document or should only one metadata be allowed.

equals

protected boolean equals(String element,
                         String qualifier,
                         String language)

Determine if the given element, qualifier, and lang are equal to this metadata.

Parameters:

element - (Required) The element of this metadata

qualifier - (May be null) The qualifier of this metadata

language - (May be null) The language of this metadata

Returns:

True if the given parameters are equal to this metadata.

toSAX

public void toSAX(ContentHandler contentHandler,
                  LexicalHandler lexicalHandler,
                  NamespaceSupport namespaces)
           throws SAXException

Translate into SAX events.

Specified by:

toSAX in interface WingElement

Overrides:

toSAX in class Container

Parameters:

contentHandler - (Required) The registered contentHandler where SAX events should be routed too.

lexicalHandler - (Required) The registered lexicalHandler where lexical events (such as CDATA, DTD, etc) should be routed too.

namespaces - (Required) SAX Helper class to keep track of namespaces able to determine the correct prefix for a given namespace URI.

Throws:

SAXException