public abstract class PKWareExtraHeader extends Object implements ZipExtraField
This base class acts as a marker so you know you can ignore all extra fields that extend this class if you are not interested in the meta data of PKWare strong encryption.
Algorithm IDs - integer identifier of the encryption algorithm from the following range| Modifier and Type | Class and Description | 
|---|---|
| static class  | PKWareExtraHeader.EncryptionAlgorithmEncryption algorithm. | 
| static class  | PKWareExtraHeader.HashAlgorithmHash Algorithm | 
EXTRAFIELD_HEADER_SIZE| Modifier | Constructor and Description | 
|---|---|
| protected  | PKWareExtraHeader(ZipShort headerId) | 
| Modifier and Type | Method and Description | 
|---|---|
| byte[] | getCentralDirectoryData()Get the central data. | 
| ZipShort | getCentralDirectoryLength()Get the central data length. | 
| ZipShort | getHeaderId()Get the header id. | 
| byte[] | getLocalFileDataData()Get the local data. | 
| ZipShort | getLocalFileDataLength()Get the length of the local data. | 
| void | parseFromCentralDirectoryData(byte[] data,
                             int offset,
                             int length)Populate data from this array as if it was in central directory data. | 
| void | parseFromLocalFileData(byte[] data,
                      int offset,
                      int length)Populate data from this array as if it was in local file data. | 
| void | setCentralDirectoryData(byte[] data)Set the extra field data in central directory. | 
| void | setLocalFileDataData(byte[] data)Set the extra field data in the local file data - without Header-ID or
 length specifier. | 
protected PKWareExtraHeader(ZipShort headerId)
public ZipShort getHeaderId()
getHeaderId in interface ZipExtraFieldpublic void setLocalFileDataData(byte[] data)
data - the field data to usepublic ZipShort getLocalFileDataLength()
getLocalFileDataLength in interface ZipExtraFieldpublic byte[] getLocalFileDataData()
getLocalFileDataData in interface ZipExtraFieldpublic void setCentralDirectoryData(byte[] data)
data - the data to usepublic ZipShort getCentralDirectoryLength()
getCentralDirectoryLength in interface ZipExtraFieldpublic byte[] getCentralDirectoryData()
getCentralDirectoryData in interface ZipExtraFieldpublic void parseFromLocalFileData(byte[] data, int offset, int length)
ZipExtraFieldparseFromLocalFileData in interface ZipExtraFielddata - the array of bytes.offset - the source location in the data array.length - the number of bytes to use in the data array.ZipExtraField.parseFromLocalFileData(byte[], int, int)public void parseFromCentralDirectoryData(byte[] data, int offset, int length)
ZipExtraFieldparseFromCentralDirectoryData in interface ZipExtraFielddata - the array of bytes.offset - the source location in the data array.length - the number of bytes to use in the data array.ZipExtraField.parseFromCentralDirectoryData(byte[], int, int)Copyright © 2018 The Apache Software Foundation. All rights reserved.