amazon glacier Job Result Downloader - Java AWS

Java examples for AWS:Glacier

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Description

amazon glacier Job Result Downloader

Demo Code


import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.PropertiesCredentials;
import com.amazonaws.services.glacier.AmazonGlacierClient;
import com.amazonaws.services.glacier.model.GetJobOutputRequest;
import com.amazonaws.services.glacier.model.GetJobOutputResult;


public class JobResultDownloader {

    public static String vaultName = "GLACIER_TEST";
    public static String jobId = "JobId";

    public static void main(String[] args) throws IOException {
        ClientConfiguration clientConfiguration = new ClientConfiguration();
        clientConfiguration.setProxyHost("xx.xx.xx.xx");
        clientConfiguration.setProxyPort(0);

        AWSCredentials credentials = new PropertiesCredentials(
                VaultCreator.class
                        .getResourceAsStream("AwsCredentials.properties"));
        AmazonGlacierClient client = new AmazonGlacierClient(credentials,
                clientConfiguration);// ww w.  j  a v a  2 s .  co  m
        client.setEndpoint("https://glacier.ap-northeast-1.amazonaws.com/");
        try {
            GetJobOutputRequest getJobOutputRequest = new GetJobOutputRequest()
                    .withVaultName(vaultName).withJobId(jobId);
            GetJobOutputResult getJobOutputResult = client
                    .getJobOutput(getJobOutputRequest);
            InputStream resultStream = getJobOutputResult.getBody();
            File downloadFile = new File("path to download file");
            createFileFromInputStream(resultStream, downloadFile);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static void createFileFromInputStream(InputStream inputStream,
            File file) throws IOException {

        byte[] buffer = new byte[2056];
        int length = 0;
        BufferedInputStream bis = null;
        BufferedOutputStream bos = null;
        try {
            bos = new BufferedOutputStream(new FileOutputStream(file));
            bis = new BufferedInputStream(inputStream);
            long startTime = System.currentTimeMillis();
            while ((length = bis.read(buffer)) >= 0) {
                bos.write(buffer, 0, length);
            }
            long endTime = System.currentTimeMillis();
            System.out.println("download complete. time:"
                    + (endTime - startTime) + "msec.");
            bos.flush();
            bis.close();
            bos.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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