private void extractFile()

in src/main/java/org/apache/sling/feature/cpconverter/handlers/slinginitialcontent/SlingInitialContentBundleEntryMetaDataCollector.java [116:161]
35 lines of code
6 McCabe index (conditional complexity)

    private void extractFile(JarEntry jarEntry, JarOutputStream bundleOutput) throws IOException {

        byte[] data = new byte[BUFFER];
        long compressedSize = jarEntry.getCompressedSize();

        try (InputStream input = new BufferedInputStream(jarFile.getInputStream(jarEntry))) {
            if (jarEntryIsSlingInitialContent(context, jarEntry)) {

                File targetFile = new File(contentPackage2FeatureModelConverter.getTempDirectory(), jarEntry.getName().replace('/', File.separatorChar));
                
                // Validate that the file is actually unpacking into the temp directory
                if (!targetFile.toPath().normalize().startsWith(contentPackage2FeatureModelConverter.getTempDirectory().toPath().normalize())) {
                    throw new IOException(String.format("unpacking %s (of %s) would write into the directory %s outside the specified "
                            + "temp path %s, thus terminating the operation",
                            jarEntry.getName(),
                            jarFile.getName(),
                            targetFile.toPath().normalize(),
                            contentPackage2FeatureModelConverter.getTempDirectory().getAbsolutePath()
                            ));
                }
                String canonicalDestinationPath = targetFile.getCanonicalPath();


                if (!checkIfPathStartsWithOrIsEqual(contentPackage2FeatureModelConverter.getTempDirectory().getCanonicalPath(), canonicalDestinationPath, File.separator)) {
                    throw new IOException("Entry is outside of the target directory " + canonicalDestinationPath);
                }

                targetFile.getParentFile().mkdirs();
                if (!targetFile.exists() && !targetFile.createNewFile()) {
                    throw new IOException("Could not create placeholder file!");
                }

                FileOutputStream fos = new FileOutputStream(targetFile);
                safelyWriteOutputStream(compressedSize, data, input, fos, true);

                SlingInitialContentBundleEntryMetaData bundleEntry = createSlingInitialContentBundleEntry(context, targetFile);
                collectedSlingInitialContentBundleEntries.add(bundleEntry);
            } else {
                //write 'normal' content out to the normal bundle output
                bundleOutput.putNextEntry(jarEntry);
                safelyWriteOutputStream(compressedSize, data, input, bundleOutput, false);
                IOUtils.copy(input, bundleOutput);
                bundleOutput.closeEntry();
            }
        }
    }