void verify()

in modules/privilizer/weaver/src/main/java/org/apache/commons/weaver/privilizer/Privilizer.java [225:252]

• 25 lines of code
• 2 McCabe index (conditional complexity)

    void verify(final String className, final byte[] bytecode) {
        final ClassReader reader = new ClassReader(bytecode);

        env.debug("Verifying bytecode for class %s", className);
        final StringWriter w = new StringWriter(); //NOPMD
        CheckClassAdapter.verify(reader, env.classLoader, false, new PrintWriter(w));
        final String error = w.toString();
        if (!error.isEmpty()) {
            env.error(error);
            final StringWriter trace = new StringWriter();
            reader.accept(new TraceClassVisitor(new PrintWriter(trace)), ClassReader.SKIP_DEBUG);
            env.debug(trace.toString());
            throw new IllegalStateException();
        }
        Validate.validState(StringUtils.isBlank(error), error);

        final ClassVisitor checkInnerClasses = new ClassVisitor(ASM_VERSION, null) {
            final Set<String> innerNames = new HashSet<>();

            @Override
            public void visitInnerClass(final String name, final String outerName, final String innerName,
                final int access) {
                super.visitInnerClass(name, outerName, innerName, access);
                Validate.validState(innerNames.add(innerName), "%s already defined", innerName);
            }
        };
        reader.accept(checkInnerClasses, ClassReader.SKIP_CODE);
    }