public static void zipDirectory()

in hawtio-util/src/main/java/io/hawt/util/Zips.java [65:102]
36 lines of code
8 McCabe index (conditional complexity)

    public static void zipDirectory(Logger log, File directory, ZipOutputStream zos, String path, FileFilter filter) throws IOException {
        // get a listing of the directory content
        File[] dirList = directory.listFiles();
        byte[] readBuffer = new byte[8192];
        int bytesIn = 0;
        // loop through dirList, and zip the files
        if (dirList != null) {
            for (File f : dirList) {
                if (f.isDirectory()) {
                    String prefix = path + f.getName() + "/";
                    if (matches(filter, f)) {
                        zos.putNextEntry(new ZipEntry(prefix));
                        zipDirectory(log, f, zos, prefix, filter);
                    }
                } else {
                    String entry = path + f.getName();
                    if (matches(filter, f)) {
                        FileInputStream fis = new FileInputStream(f);
                        try {
                            ZipEntry anEntry = new ZipEntry(entry);
                            zos.putNextEntry(anEntry);
                            bytesIn = fis.read(readBuffer);
                            while (bytesIn != -1) {
                                zos.write(readBuffer, 0, bytesIn);
                                bytesIn = fis.read(readBuffer);
                            }
                        } finally {
                            fis.close();
                        }
                        if (log.isDebugEnabled()) {
                            log.debug("zipping file " + entry);
                        }
                    }
                }
                zos.closeEntry();
            }
        }
    }