org.microbean.helm.chart

Class TapeArchiveChartLoader

java.lang.Object

org.microbean.helm.chart.AbstractChartLoader<T>

org.microbean.helm.chart.StreamOrientedChartLoader<TarInputStream>

org.microbean.helm.chart.TapeArchiveChartLoader

All Implemented Interfaces:

Closeable, AutoCloseable

public class TapeArchiveChartLoader
extends StreamOrientedChartLoader<TarInputStream>

A StreamOrientedChartLoader<TarInputStream> that creates ChartOuterClass.Chart instances from TarInputStream instances.

Author:

Laird Nelson

See Also:

toNamedInputStreamEntries(TarInputStream), StreamOrientedChartLoader

Constructor Summary

Constructors

Constructor and Description
TapeArchiveChartLoader() Creates a new TapeArchiveChartLoader.

Method Summary

Modifier and Type	Method and Description
void	close() Does nothing on purpose.
protected Iterable<? extends Map.Entry<? extends String,? extends InputStream>>	toNamedInputStreamEntries(TarInputStream stream) Converts the supplied TarInputStream into an Iterable of Map.Entry instances, each of which consists of an InputStream representing an entry within the archive together with its name.

Methods inherited from class org.microbean.helm.chart.StreamOrientedChartLoader

createTemplateBuilder, installAny, installConfig, installMetadata, load, load

Methods inherited from class org.microbean.helm.chart.AbstractChartLoader

load

Methods inherited from class java.lang.Object

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

Constructor Detail

TapeArchiveChartLoader

public TapeArchiveChartLoader()

Creates a new TapeArchiveChartLoader.

Method Detail

toNamedInputStreamEntries

protected Iterable<? extends Map.Entry<? extends String,? extends InputStream>> toNamedInputStreamEntries(TarInputStream stream)
                                                                                                   throws IOException

Converts the supplied TarInputStream into an Iterable of Map.Entry instances, each of which consists of an InputStream representing an entry within the archive together with its name.

This method never returns null.

Overrides of this method are not permitted to return null.

Specified by:

toNamedInputStreamEntries in class StreamOrientedChartLoader<TarInputStream>

Parameters:

stream - the TarInputStream to read; must be non-null or an effectively empty Iterable will be returned

Returns:

a non-null Iterable of Map.Entry instances representing named InputStreams

Throws:

IOException - if there is a problem reading from the supplied TarInputStream

close

public void close()
           throws IOException

Does nothing on purpose.

Throws:

IOException - if a subclass has overridden this method and an error occurs