tjh.dev
1from pathlib import Path
2from struct import pack
3import sys
4
5def to_java_string(string) -> bytes:
6 string_bytes = string.encode("utf-8")
7 # Java constant pool string entries are prefixed by 0x01 and 16-bit big-endian string length.
8 return pack(">BH", 1, len(string_bytes)) + string_bytes
9
10class_file = Path(sys.argv[1])
11
12clazz = class_file.read_bytes()
13
14# We want to fix these package names so they work with the open-source Java EE releases instead of OpenJDK 8.
15patches = [
16 ( "com/sun/xml/internal/ws/developer/WSBindingProvider", "com/sun/xml/ws/developer/WSBindingProvider" ),
17 ( "com/sun/xml/internal/ws/api/message/Header", "com/sun/xml/ws/api/message/Header" ),
18 ( "com.sun.xml.internal.ws.transport.http.client.streaming.chunk.size", "com.sun.xml.ws.transport.http.client.streaming.chunk.size" ),
19 ( "com/sun/xml/internal/ws/api/message/Headers", "com/sun/xml/ws/api/message/Headers" ),
20 ( "(Lorg/w3c/dom/Element;)Lcom/sun/xml/internal/ws/api/message/Header;", "(Lorg/w3c/dom/Element;)Lcom/sun/xml/ws/api/message/Header;" ),
21 ( "([Lcom/sun/xml/internal/ws/api/message/Header;)V", "([Lcom/sun/xml/ws/api/message/Header;)V" ),
22]
23
24for old, new in patches:
25 old_java = to_java_string(old)
26 new_java = to_java_string(new)
27 assert old_java in clazz
28 clazz = clazz.replace(old_java, new_java)
29 assert old_java not in clazz
30 assert new_java in clazz
31
32assert b".internal." not in clazz
33
34class_file.write_bytes(clazz)
35