Authentication result = null;
        if (auth != null) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(auth.getUsername()).addPassword(auth.getPassword());
            authBuilder.addPrivateKey(auth.getPrivateKey(), auth.getPassphrase());
            result = authBuilder.build();
        }
        return result;
    }

        for (Proxy proxy : decrypted.getProxies()) {
            AuthenticationBuilder authBuilder = new AuthenticationBuilder();
            authBuilder.addUsername(proxy.getUsername()).addPassword(proxy.getPassword());
            proxySelector.add(
                    new org.eclipse.aether.repository.Proxy(
                            proxy.getProtocol(), proxy.getHost(), proxy.getPort(), authBuilder.build()),

    }

    public void test_getPdfPassword() {
        String url;
        String resourceName;
        tikaExtractor.addPassword(".*hoge1.pdf", "password");
        tikaExtractor.addPassword("fuga.pdf", "PASSWORD");

        url = null;
        resourceName = null;
        assertNull(tikaExtractor.getPassword(createParams(url, resourceName)));