org.dspace.app.xmlui.cocoon

Class MetadataExportReader

java.lang.Object

org.apache.cocoon.util.AbstractLogEnabled

org.apache.cocoon.reading.AbstractReader

org.dspace.app.xmlui.cocoon.MetadataExportReader

All Implemented Interfaces:

org.apache.avalon.excalibur.pool.Poolable, org.apache.avalon.excalibur.pool.Recyclable, org.apache.cocoon.reading.Reader, org.apache.cocoon.sitemap.SitemapModelComponent, org.apache.cocoon.sitemap.SitemapOutputComponent

public class MetadataExportReader
extends org.apache.cocoon.reading.AbstractReader
implements org.apache.avalon.excalibur.pool.Recyclable

AbstractReader that generates a CSV of item, collection or community metadata using MetadataExport

Author:

Kim Shepherd

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	BUFFER_SIZE How big a buffer should we use when reading from the bitstream before writing to the HTTP response?
protected static int	expires When should a download expire in milliseconds.
protected org.apache.cocoon.environment.Request	request The Cocoon request
protected org.apache.cocoon.environment.Response	response The Cocoon response

Fields inherited from class org.apache.cocoon.reading.AbstractReader

objectModel, out, parameters, resolver, source

Fields inherited from interface org.apache.cocoon.reading.Reader

ROLE

Constructor Summary

Constructors

Constructor and Description
MetadataExportReader()

Method Summary

Methods

Modifier and Type	Method and Description
void	generate() Write the CSV.
void	recycle() Recycle
void	setup(org.apache.cocoon.environment.SourceResolver resolver, java.util.Map objectModel, java.lang.String src, org.apache.avalon.framework.parameters.Parameters par) Set up the export reader.

Methods inherited from class org.apache.cocoon.reading.AbstractReader

getLastModified, getMimeType, setOutputStream, shouldSetContentLength

Methods inherited from class org.apache.cocoon.util.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Field Detail

BUFFER_SIZE

protected static final int BUFFER_SIZE

How big a buffer should we use when reading from the bitstream before writing to the HTTP response?

See Also:

Constant Field Values

expires

protected static final int expires

When should a download expire in milliseconds. This should be set to some low value just to prevent someone hitting DSpace repeatedly from killing the server. Note: there are 60000 milliseconds in a minute. Format: minutes * seconds * milliseconds

See Also:

Constant Field Values

response

protected org.apache.cocoon.environment.Response response

The Cocoon response

request

protected org.apache.cocoon.environment.Request request

The Cocoon request

Constructor Detail

MetadataExportReader

public MetadataExportReader()

Method Detail

setup

public void setup(org.apache.cocoon.environment.SourceResolver resolver,
         java.util.Map objectModel,
         java.lang.String src,
         org.apache.avalon.framework.parameters.Parameters par)
           throws org.apache.cocoon.ProcessingException,
                  org.xml.sax.SAXException,
                  java.io.IOException

Set up the export reader. See the class description for information on configuration options.

Specified by:

setup in interface org.apache.cocoon.sitemap.SitemapModelComponent

Overrides:

setup in class org.apache.cocoon.reading.AbstractReader

Throws:

org.apache.cocoon.ProcessingException

org.xml.sax.SAXException

java.io.IOException

generate

public void generate()
              throws java.io.IOException,
                     org.xml.sax.SAXException,
                     org.apache.cocoon.ProcessingException

Write the CSV.

Specified by:

generate in interface org.apache.cocoon.reading.Reader

Throws:

java.io.IOException

org.xml.sax.SAXException

org.apache.cocoon.ProcessingException

recycle

public void recycle()

Recycle

Specified by:

recycle in interface org.apache.avalon.excalibur.pool.Recyclable

Overrides:

recycle in class org.apache.cocoon.reading.AbstractReader