Java client read content from URL with SSL

• Java client

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSession;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class PDFTester {
    private static final int FILE_BUFFER_SIZE = 2048;
    public static final String CONTENT_TYPE_PDF = "application/pdf";
    public static byte[] readPDFFromURL(URL url) throws IOException {
        System.setProperty("javax.net.ssl.trustStore", "C:/temp/myCA.jks");
        System.setProperty("javax.net.ssl.keyStorePassword", "changeit");

        HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url.openConnection();
        httpsURLConnection.setHostnameVerifier(new HostnameVerifier() {
            public boolean verify(String hostname, SSLSession session) {
                return true;
            }
        });
        httpsURLConnection.connect();

        byte[] buffer = new byte[FILE_BUFFER_SIZE];
        int lengthOfByteToBeWrite;
        try (ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
             InputStream inputStream = httpsURLConnection.getInputStream()) {
            while ((lengthOfByteToBeWrite = inputStream.read(buffer)) != -1) {
                byteArrayOutputStream.write(buffer, 0, lengthOfByteToBeWrite);
            }
            byteArrayOutputStream.flush();
            return byteArrayOutputStream.toByteArray();
        } catch (IOException e) {
            throw e;
        }
    }

    public static void main(String[] args) throws IOException, URISyntaxException {
        URL url = new URL("https://www.sample.com/pdf");
        byte[] bytes = readPDFFromURL(url);
        Path path = Paths.get("c:/temp/test.pdf");
        Files.write(path, bytes);
    }
}

• SSL base knowledge:
  Implementing SSL / TLS using Java