net.dpml.library.info
Class LibraryDecoder

java.lang.Object
  net.dpml.library.info.LibraryConstants
      net.dpml.library.info.LibraryDecoder

public final class LibraryDecoder

extends net.dpml.library.info.LibraryConstants

Utility class used for construction of a module model from an XML source.

Version:

1.0.0

Author:

The Digital Product Meta Library

Constructor Summary

LibraryDecoder()

Method Summary

LibraryDirective	build(File source) Construct a library directive from XML source.
ResourceDirective	buildResource(URI uri) Construct a resource directive from source.
protected boolean	getAliasFlag(Element element) Return the alias attribute of the supplied element.
protected String	getID(Element element) Return the id attribute of the supplied element.
protected Properties	getProperties(Element element) Return properties declared within the supplied element as immediate child elements.

Methods inherited from class java.lang.Object

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

Constructor Detail

LibraryDecoder

public LibraryDecoder()

Method Detail

build

public LibraryDirective build(File source)
                       throws IOException

Construct a library directive from XML source.

Parameters:

source - the XML source file

Returns:

the library directive

Throws:

IOException - if an IO exception occurs

buildResource

public ResourceDirective buildResource(URI uri)
                                throws IOException

Construct a resource directive from source.

Parameters:

uri - the source uri

Returns:

the resource directive

Throws:

IOException - if an IO exception occurs

getID

protected String getID(Element element)
                throws DecodingException

Return the id attribute of the supplied element.

Parameters:

element - the DOM element

Returns:

the id value

Throws:

DecodingException - if an error occurs during element evaluation

getAliasFlag

protected boolean getAliasFlag(Element element)

Return the alias attribute of the supplied element.

Parameters:

element - the DOM element

Returns:

the alias production flag value

getProperties

protected Properties getProperties(Element element)

Return properties declared within the supplied element as immediate child elements.

Parameters:

element - the enclosing DOM element

Returns:

the resolved properties instance