io.takari.jdkget.transport.OracleWebsiteTransport.java Source code

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Here is the source code for io.takari.jdkget.transport.OracleWebsiteTransport.java

Source

package io.takari.jdkget.transport;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

import org.apache.commons.compress.utils.IOUtils;

import io.takari.jdkget.Arch;
import io.takari.jdkget.IOutput;
import io.takari.jdkget.ITransport;
import io.takari.jdkget.JdkGetter.JdkVersion;

public class OracleWebsiteTransport implements ITransport {

    public static final String JDK_URL_FORMAT = "http://download.oracle.com/otn-pub/java/jdk/%su%s-%s/jdk-%su%s-%s.%s";
    public static final String OTN_COOKIE = "gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie";

    public boolean downloadJdk(Arch arch, JdkVersion jdkVersion, File jdkImage, IOutput output) throws IOException {

        String url = String.format(JDK_URL_FORMAT, jdkVersion.major, jdkVersion.revision, jdkVersion.buildNumber,
                jdkVersion.major, jdkVersion.revision, arch.getArch(), arch.getExtension());
        output.info("Downloading " + url);

        // Oracle does some redirects so we have to follow a couple before we win the JDK prize
        URL jdkUrl;
        int response = 0;
        HttpURLConnection connection;
        for (int retry = 0; retry < 4; retry++) {
            jdkUrl = new URL(url);
            connection = (HttpURLConnection) jdkUrl.openConnection();
            connection.setRequestProperty("Cookie", OTN_COOKIE);
            response = connection.getResponseCode();
            if (response == 200) {
                try (InputStream is = connection.getInputStream();
                        OutputStream os = new FileOutputStream(jdkImage)) {
                    IOUtils.copy(is, os);
                }
                return true;
            } else if (response == 302) {
                url = connection.getHeaderField("Location");
            }
        }
        return false;
    }
}