public void handle()

in src/main/java/org/apache/sling/feature/cpconverter/handlers/BundleEntryHandler.java [86:145]
46 lines of code
7 McCabe index (conditional complexity)

    public void handle(@NotNull String path,
           @NotNull Archive archive, 
           @NotNull Entry entry, 
           @NotNull ContentPackage2FeatureModelConverter converter,
           String runMode) throws IOException, ConverterException {
        logger.info("Processing bundle {}...", entry.getName());

        Matcher matcher = getPattern().matcher(path);
        
        Integer startLevel = null;
        // we are pretty sure it matches, here
        if (!matcher.matches()) {
            throw new IllegalStateException("Something went terribly wrong: pattern '"
                                            + getPattern().pattern()
                                            + "' should have matched already with path '"
                                            + path
                                            + "' but it does not, currently");
        }

        if (enforceBundlesBelowInstallFolder && !"install".equals(matcher.group("foldername"))) {
            throw new ConverterException("OSGi bundles are only considered if placed below a folder called 'install', but the bundle at '"+ path + "' is placed outside!");
        }

        // determine run mode string for current path
        String runModeMatch = matcher.group("runmode");

        String targetRunMode = extractTargetRunMode(path, converter, runMode,
            runModeMatch);

        final String value = matcher.group("startlevel");
        if (value != null) {
            // there is a specified Start Level
            startLevel = Integer.parseInt(value); // NumberFormatException impossible due to RegEx
            logger.debug("Start level {} was extracted from path {}", startLevel, path);
        }

        String bundleName = entry.getName();
        // Remove the leading path
        int idx = bundleName.lastIndexOf('/');
        if (idx >= 0) {
            bundleName = bundleName.substring(idx + 1);
        }
        // Remove the extension
        int edx = bundleName.lastIndexOf('.');
        if (edx > 0) {
            bundleName = bundleName.substring(0, edx);
        }
        
        // create a temporary JAR file (extracted from archive)
        Path tmpBundleJar = Files.createTempFile(converter.getTempDirectory().toPath(), "extracted", bundleName + ".jar");
        try {
            try (OutputStream output = Files.newOutputStream(tmpBundleJar);
                InputStream input = Objects.requireNonNull(archive.openInputStream(entry))) {
                IOUtils.copy(input, output);
            }
            processBundleInputStream(path, tmpBundleJar, bundleName, targetRunMode, startLevel, converter);
        } finally {
            Files.delete(tmpBundleJar);
        }
    }