org.appng.core.model

Interface PackageArchive

All Known Implementing Classes:

PackageArchiveImpl

public interface PackageArchive

An ApplicationArchive contains informations about a Application in a Repository. Those informations are obtained from the Application's ZIP-file.

Author:

Matthias Herlitzius

Method Summary

Modifier and Type	Method and Description
byte[]	getBytes() Returns the binary data of the archive's ZIP-file.
String	getChecksum() Returns the checksum for this archive (SHA256).
PackageInfo	getPackageInfo() Returns a PackageInfo unmarshalled from the archive's "application.xml".
PackageType	getType() Returns the PackageType for this PackageArchive.
boolean	isValid() Checks whether this is a valid PackageArchive, meaning it's ZIP-file has a valid structure and contains a valid "application.xml".
<T> T	processZipFile(ZipFileProcessor<T> processor) Processes the PackageArchive's ZIP-file with the given ZipFileProcessor.

Method Detail

isValid

boolean isValid()

Checks whether this is a valid PackageArchive, meaning it's ZIP-file has a valid structure and contains a valid "application.xml".

Returns:

true if this a valid PackageArchive, false otherwise

getPackageInfo

PackageInfo getPackageInfo()

Returns a PackageInfo unmarshalled from the archive's "application.xml". This methods returns null, if isValid() returns false.

Returns:

a PackageInfo

processZipFile

<T> T processZipFile(ZipFileProcessor<T> processor)
              throws IOException

Processes the PackageArchive's ZIP-file with the given ZipFileProcessor.

Type Parameters:

T - the return type of the ZipFileProcessor

Parameters:

processor - a ZipFileProcessor

Returns:

an object of type <T>

Throws:

IOException -

• if ZipFileProcessor.process(org.apache.commons.compress.archivers.zip.ZipFile) throws an IOException
• if the ZIP-file could not be read

getBytes

byte[] getBytes()
         throws IOException

Returns the binary data of the archive's ZIP-file. Should only be called if isValid() returns true.

Returns:

the binary data

Throws:

IOException - if the ZIP-file could not be read

getType

PackageType getType()

Returns the PackageType for this PackageArchive.

Returns:

the PackageType

getChecksum

String getChecksum()

Returns the checksum for this archive (SHA256).

Returns:

the checksum