org.apache.commons.compress.archivers.zip

Interface UnparseableExtraFieldBehavior

All Known Subinterfaces:

ExtraFieldParsingBehavior

All Known Implementing Classes:

ExtraFieldUtils.UnparseableExtraField, ZipArchiveEntry.ExtraFieldParsingMode

public interface UnparseableExtraFieldBehavior

Handles extra field data that doesn't follow the recommended pattern for extra fields with a two-byte key and a two-byte length.

Since:

1.19

Method Summary

Modifier and Type	Method and Description
ZipExtraField	onUnparseableExtraField(byte[] data, int off, int len, boolean local, int claimedLength) Decides what to do with extra field data that doesn't follow the recommended pattern.

Method Detail

onUnparseableExtraField

ZipExtraField onUnparseableExtraField(byte[] data,
                                      int off,
                                      int len,
                                      boolean local,
                                      int claimedLength)
                               throws java.util.zip.ZipException

Decides what to do with extra field data that doesn't follow the recommended pattern.

Parameters:

data - the array of extra field data

off - offset into data where the unparseable data starts

len - the length of unparseable data

local - whether the extra field data stems from the local file header. If this is false then the data is part if the central directory header extra data.

claimedLength - length of the extra field claimed by the third and forth byte if it did follow the recommended pattern

Returns:

null if the data should be ignored or an extra field implementation that represents the data

Throws:

java.util.zip.ZipException - if an error occurs or unparseable extra fields must not be accepted