# $File: java,v 1.22 2023/01/11 23:59:49 christos Exp $

#------------------------------------------------------------
# $File: java,v 1.22 2023/01/11 23:59:49 christos Exp $
# Java ByteCode and Mach-O binaries (e.g., Mac OS X) use the
# same magic number, 0xcafebabe, so they are both handled
# in the entry called "cafebabe".
#------------------------------------------------------------
# Java serialization
# From Martin Pool ([email protected])
0 beshort 0xaced Java serialization data
>2 beshort >0x0004 \b, version %d

0 belong 0xfeedfeed Java KeyStore
!:mime application/x-java-keystore
0 belong 0xcececece Java JCE KeyStore
!:mime application/x-java-jce-keystore

# Java source
0 regex \^import.*;$ Java source
!:mime text/x-java

# Java HPROF dumps
# https://java.net/downloads/heap-snapshot/hprof-binary-format.html
0 string JAVA\x20PROFILE\x201.0.
>0x12 byte 0
>>0x11 ubyte-0x31 <2 Java HPROF dump,
>>>0x17 beqdate/1000 x created %s

# Java jmod module
# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/classes/jdk/internal/jmod/JmodFile.java
# Grr. 2 byte magic "JM", really? In 2019?
0 belong 0x4a4d0100 Java jmod module version 1.0
!:mime application/x-java-jmod

# Java jlinked image
# See https://hg.openjdk.java.net/jdk9/jdk9/jdk/file/tip/src/java.base/share/native/libjimage/imageFile.hpp
0 belong 0xcafedada Java module image (big endian)
>4 beshort >0x00 \b, version %d
>6 beshort x \b.%d
!:mime application/x-java-image

0 lelong 0xcafedada Java module image (little endian)
>6 leshort >0x00 \b, version %d
>4 leshort x \b.%d
!:mime application/x-java-image

# JAR Manifest & Signature File
# Reference: https://docs.oracle.com/javase/8/docs/technotes/guides/jar/jar.html
0 string/t Manifest-Version:\x201.0 JAR Manifest
!:ext MF
0 string/t Signature-Version:\x201.0 JAR Signature File
!:ext SF