com.atlassian.confluence.util.zip
Class AbstractUnzipper

java.lang.Object
  com.atlassian.confluence.util.zip.AbstractUnzipper

All Implemented Interfaces:

Unzipper

Direct Known Subclasses:

StreamUnzipper, UrlUnzipper

public abstract class AbstractUnzipper
extends Object
implements Unzipper

Field Summary

protected File

destDir

Constructor Summary

AbstractUnzipper()

Method Summary

protected ZipEntry[]	entries(ZipInputStream zis)
boolean	isChildOf(File destDir, File target)
protected File	saveEntry(InputStream is, ZipEntry entry) save the contents of the given inputstream into a file given by the zip entry.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.atlassian.confluence.util.zip.Unzipper

entries, unzip, unzipFileInArchive

Field Detail

destDir

protected File destDir

Constructor Detail

AbstractUnzipper

public AbstractUnzipper()

Method Detail

saveEntry

protected File saveEntry(InputStream is,
                         ZipEntry entry)
                  throws IOException

save the contents of the given inputstream into a file given by the zip entry. If the zip entry is a directory, it is returned without writing the input stream into it.

Parameters:

is - inputstream to read from

entry - an entry in the zip file to save the inputstream to

Returns:

the file that represents the zip entry. It may be a directory.

Throws:

IOException - if there are problems writing the file

IllegalArgumentException - if the zip entry attempts to perform a directory traversal with relative paths ('../') and traverses outside the this#destDir.

isChildOf

public boolean isChildOf(File destDir,
                         File target)
                  throws IOException

Throws:

IOException

entries

protected ZipEntry[] entries(ZipInputStream zis)
                      throws IOException

Throws:

IOException