private void rewrite()

in modules/normalizer/src/main/java/org/apache/commons/weaver/normalizer/Normalizer.java [392:419]

26 lines of code
5 McCabe index (conditional complexity)


    private void rewrite(final Pair<String, String> key, final Set<ClassWrapper> toMerge) throws IOException {
        final String target = copy(key, toMerge.iterator().next());
        env.info("Merging %s identical %s implementations with constructor %s to type %s", toMerge.size(),
            key.getLeft(), key.getRight(), target);

        final Map<String, Map<String, ClassWrapper>> byEnclosingClass = byEnclosingClass(toMerge);
        for (final Map.Entry<String, Map<String, ClassWrapper>> entry : byEnclosingClass.entrySet()) {
            final String outer = entry.getKey();
            env.debug("Normalizing %s inner classes of %s", entry.getValue().size(), outer);
            final Map<String, String> classMap = new HashMap<>();
            for (final String merged : entry.getValue().keySet()) {
                classMap.put(merged, target);
            }
            final Remapper remapper = new SimpleRemapper(classMap);

            try (InputStream enclosingBytecode = env.getClassfile(outer).getInputStream()) {
                final ClassReader reader = new ClassReader(enclosingBytecode);
                reader.accept(new Remap(new WriteClass(reader), remapper, classMap, entry.getValue()), 0);
            }
            for (final String merged : entry.getValue().keySet()) {
                if (env.deleteClassfile(merged)) {
                    env.debug("Deleted class %s", merged);
                } else {
                    env.warn("Unable to delete class %s", merged);
                }
            }
        }
    }