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https://issues.apache.org/jira/browse/COMPRESS-269?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14202089#comment-14202089
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Vladislav Rassokhin commented on COMPRESS-269:
----------------------------------------------
At least simple SevenZFile to ArchiveInputStream wrapper:
{code:java}
public class SevenZArchiveInputStream extends ArchiveInputStream {
private final SevenZFile mySevenZFile;
public SevenZArchiveInputStream(@NotNull final File file) throws IOException {
mySevenZFile = new SevenZFile(file);
}
public SevenZArchiveInputStream(@NotNull final SevenZFile file) {
mySevenZFile = file;
}
@Override
public ArchiveEntry getNextEntry() throws IOException {
return mySevenZFile.getNextEntry();
}
@Override
public int read(final byte[] b, final int off, final int len) throws
IOException {
return mySevenZFile.read(b, off, len);
}
@Override
public void close() throws IOException {
mySevenZFile.close();
super.close(); // do nothing actually
}
}
{code}
This does not have InputStream constructor, but at least you can use 7z
archives where other ArchiveInputStream's used.
Maybe someone could include that into commons compress sources?
> Common interface for SevenZFile and ArchiveInputStream
> ------------------------------------------------------
>
> Key: COMPRESS-269
> URL: https://issues.apache.org/jira/browse/COMPRESS-269
> Project: Commons Compress
> Issue Type: Improvement
> Components: Archivers
> Affects Versions: 1.8
> Reporter: Nick Burch
> Priority: Minor
> Fix For: 2.0
>
>
> Both SevenZFile and ArchiveInputStream (effectively) have a method on them:
> ArchiveEntry getNextEntry()
> However, they don't share a common interface or parent which defines this, so
> it isn't possible to write generic code which would work with either to read
> archive entries out
> For Apache Tika, it would be good if after our 7z specific opening code, we
> could then use common code to read out and process the archive entries no
> matter what the archive format was
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