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org.apache.cocoon.generation
Class XMidiGenerator

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.xml.AbstractXMLProducer
          org.apache.cocoon.generation.AbstractGenerator
              org.apache.cocoon.generation.XMidiGenerator

All Implemented Interfaces:

Poolable, Recyclable, Component, LogEnabled, Parameterizable, Generator, SitemapModelComponent, XMLProducer

public class XMidiGenerator
extends AbstractGenerator
implements Parameterizable

Reads a standard MIDI file and generates SAX Events. The MIDI file parsing parts of this class are based on code from the XMidi project, written by Peter Arthur Loeb (http://www.palserv.com/XMidi/) and used with permission. The warranty disclaimer of the MIT license (http://www.opensource.org/licenses/mit-license.html) applies to Peter Arthur Loeb's code.

Author:

Mark Leicester, Peter Loeb

Field Summary

protected Source

inputSource The input source

Fields inherited from class org.apache.cocoon.generation.AbstractGenerator

objectModel, parameters, resolver, source

Fields inherited from class org.apache.cocoon.xml.AbstractXMLProducer

contentHandler, EMPTY_CONTENT_HANDLER, lexicalHandler, xmlConsumer

Fields inherited from interface org.apache.cocoon.generation.Generator

ROLE

Constructor Summary

XMidiGenerator()

Method Summary

void	generate() Generate XML data.
Serializable	getKey() Generate the unique key.
SourceValidity	getValidity() Generate the validity object.
void	parameterize(Parameters parameters)
void	recycle() Recycle this component.
void	setup(SourceResolver resolver, Map objectModel, String src, Parameters par) Setup the MIDI file generator.

Methods inherited from class org.apache.cocoon.xml.AbstractXMLProducer

setConsumer, setContentHandler, setLexicalHandler

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.cocoon.xml.XMLProducer

setConsumer

Field Detail

inputSource

protected Source inputSource

The input source

Constructor Detail

XMidiGenerator

public XMidiGenerator()

Method Detail

parameterize

public void parameterize(Parameters parameters)
                  throws ParameterException

Specified by:

parameterize in interface Parameterizable

Throws:

ParameterException

recycle

public void recycle()

Recycle this component. All instance variables are set to null.

Specified by:

recycle in interface Recyclable

Overrides:

recycle in class AbstractGenerator

setup

public void setup(SourceResolver resolver,
                  Map objectModel,
                  String src,
                  Parameters par)
           throws ProcessingException,
                  SAXException,
                  IOException

Setup the MIDI file generator. Try to get the last modification date of the source for caching.

Specified by:

setup in interface SitemapModelComponent

Overrides:

setup in class AbstractGenerator

Throws:

ProcessingException

SAXException

IOException

getKey

public Serializable getKey()

Generate the unique key. This key must be unique inside the space of this component.

Returns:

The generated key hashes the src

getValidity

public SourceValidity getValidity()

Generate the validity object.

Returns:

The generated validity object or null if the component is currently not cacheable.

generate

public void generate()
              throws IOException,
                     SAXException,
                     ProcessingException

Generate XML data.

Specified by:

generate in interface Generator

Throws:

IOException

SAXException

ProcessingException