From tjwatson at us.ibm.com  Tue Aug  9 15:29:43 2016
From: tjwatson at us.ibm.com (Thomas Watson)
Date: Tue, 9 Aug 2016 10:29:43 -0500
Subject: Experiment with JPMS integration with existing module systems
Message-ID: <OFB4E00098.AA799FCF-ON0025800A.0054B531-8625800A.00551F16@notes.na.collabserv.com>

Hi JPMS experts.

Recently I did an experiment with integrating JPMS with an existing module 
system (OSGi).  I wrote up details in a blog post [1] which outlines what 
I had to do to get this to work.  I also list some issues and possible 
improvements to JPMS that would make interop/integration work better with 
existing module systems in Java.

Tom

[1] http://blog.osgi.org/2016/08/osgi-with-java-modules-all-way-down.html



From forax at univ-mlv.fr  Sat Aug 27 22:30:40 2016
From: forax at univ-mlv.fr (Remi Forax)
Date: Sun, 28 Aug 2016 00:30:40 +0200 (CEST)
Subject: Issue #ClassFileModuleName
Message-ID: <836374085.1142363.1472337040296.JavaMail.zimbra@u-pem.fr>

Hi everybody,
I've just updated ASM 6 to the new version of the class file format, which fix issue #ClassFileAccPublic [1] and part of #StandardModuleAttributes [2].
The API is not too bad, see an example at the end of this mail.
    
Can we move and fix the last two issues related to the class file format ?
#ClassFileModuleName: i've proposed to fix  by introducing an index (u2) at the start of the Module that point to the module name encoded in the constant pool as an UTF8.
#ClassFileAccModule: just choose between 0x0040 and 0x0080 and call it a day.

regards,
R?mi

[1] http://openjdk.java.net/projects/jigsaw/spec/issues/#ClassFileAccPublic
[2] http://openjdk.java.net/projects/jigsaw/spec/issues/#StandardModuleAttributes

[3] http://openjdk.java.net/projects/jigsaw/spec/issues/#ClassFileModuleName
[4] http://openjdk.java.net/projects/jigsaw/spec/issues/#ClassFileAccModule

How to create a module-info.class with ASM6:
    ClassWriter writer = new ClassWriter(0);
    writer.visit(Opcodes.V1_9, Opcodes.ACC_MODULE, "genmodule/module-info", null, null, null);
    
    ModuleVisitor module = writer.visitModule();
    module.visitVersion("1.0.0");
    module.visitMainClass("org/objectweb/asm/FunMain");
    module.visitTargetPlatform("MyOS", null, "3.4");
    module.visitConcealedPackage("org/objectweb/asm/concealed");
    module.visitConcealedPackage("org/objectweb/asm/concealed2");
    
    module.visitRequire("asm.fun", Opcodes.ACC_TRANSITIVE);
    module.visitRequire("asm.static", Opcodes.ACC_STATIC_PHASE);
    module.visitRequire("asm.foo", 0);
    
    module.visitExport("org/objectweb/asm", 0, (String[])null);
    module.visitExport("org/objectweb/asm/util", Opcodes.ACC_DYNAMIC_PHASE, "java.base", "java.sql");
    
    module.visitUse("org/objectweb/asm/FunInterface");
    module.visitProvide("org/objectweb/asm/FunInterface", "org/objectweb/asm/FunImpl");
    
    module.visitEnd();
    
    writer.visitEnd();