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(Java) S3 List Objects in Bucket

Demonstrates how to retrieve the XML listing of the objects (i.e. files) stored in an Amazon S3 bucket. (This is like a directory listing.)

Chilkat Java Downloads

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Java Libs for Android

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    //  This example assumes the Chilkat HTTP API to have been previously unlocked.
    //  See HTTP Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    //  Insert your access key here:
    http.put_AwsAccessKey("AWS_ACCESS_KEY");

    //  Insert your secret key here:
    http.put_AwsSecretKey("AWS_SECRET_KEY");

    String strXml = http.s3_ListBucketObjects("chilkat100");
    if (http.get_LastMethodSuccess() != true) {
        System.out.println(http.lastErrorText());
        return;
        }

    System.out.println("Response status code = " + http.get_LastStatus());

    CkXml xml = new CkXml();
    boolean success = xml.LoadXml(strXml);
    if (success != true) {
        System.out.println(xml.lastErrorText());
        return;
        }

    //  If the response status code was not 200, then the XML response is not a
    //  listing of objects, but instead contains error information.
    if (http.get_LastStatus() != 200) {
        System.out.println(xml.getXml());
        System.out.println("Failed.");
        return;
        }

    //  A sample response is shown below.
    System.out.println(xml.getXml());
    System.out.println("----");

    //  Iterate over the bucket items and get information for each..
    int numItems = xml.NumChildrenHavingTag("Contents");
    System.out.println("Number of bucket items = " + numItems);

    String itemKey;
    int itemSize;
    String lastModTimestamp;
    CkDateTime dt = new CkDateTime();

    int i = 0;
    while (i < numItems) {
        xml.put_I(i);

        itemKey = xml.getChildContent("Contents[i]|Key");
        itemSize = xml.GetChildIntValue("Contents[i]|Size");
        lastModTimestamp = xml.getChildContent("Contents[i]|LastModified");

        dt.SetFromRfc822(lastModTimestamp);
        //  Get a local date/time.
        boolean bLocal = true;
        CkDtObj dtObj = dt.GetDtObj(bLocal);

        System.out.println(i + ": " + itemKey + ", " + itemSize + ", " + dtObj.get_Day() + "-" + dtObj.get_Month() + "-"
             + dtObj.get_Year() + ":" + dtObj.get_Hour() + ":" + dtObj.get_Minute());

        i = i+1;
        }

    //  Sample output from the above loop:

    //  0: Abc.ics, 1833, 25-5-2011:9:53
    //  1: Corpse Bride film poster.jpg, 53481, 6-9-2016:13:32
    //  2: chiliPepper.gif, 7718, 12-3-2017:12:18
    //  3: chilkatdude.jpg, 35137, 20-5-2011:16:14
    //  4: cloud.search/dfe/indexer/pscc/2016/3/28/id,x-2-15-0-25-87-0.json, 1238, 2-4-2016:12:0
    //  5: cloud.search/dfe/indexer/pscc/2016/3/28/idx-2-15-0-25-87-0.json, 1238, 2-4-2016:11:33
    //  6: dude.gif, 6373, 25-5-2011:17:29
    //  7: french.txt, 47, 12-3-2017:12:18
    //  8: hamlet.xml, 279658, 2-5-2016:12:21
    //  9: hamlet_play.xml, 279658, 20-3-2017:8:22
    //  10: images/sea_creatures/starfish123.jpg, 6229, 19-1-2017:10:45
    //  11: images/sea_creatures/starfishåäö.jpg, 6229, 19-1-2017:12:7
/
    //  12: new folder/, 0, 26-11-2014:12:36
    //  13: new_starfish.jpg, 6229, 20-3-2017:8:22
    //  14: pigs.xml, 2804, 20-3-2017:8:22
    //  15: somethingBig.zip, 13089458, 26-9-2016:9:29
    //  16: starfish.jpg, 6229, 12-3-2017:12:18
    //  17: starfish/, 0, 10-11-2014:10:7
    //  18: starfish/starfish.jpg, 6229, 10-11-2014:10:8
    //  19: starfish/starfish2.jpg, 6229, 19-11-2014:10:36
    //  20: starfish/starfish3.jpg, 6229, 24-11-2014:14:33
    //  21: starfish2.jpg, 5987, 20-4-2012:12:6
    //  22: starfish3.jpg, 5987, 11-4-2012:7:10
    //  23: starfishA.jpg, 6229, 10-5-2016:8:44
    //  24: starfishCust.jpg, 6229, 12-11-2014:18:25
    //  25: xyz.ics, 1833, 25-5-2011:8:52

    //  <?xml version="1.0" encoding="UTF-8" ?>
    //  <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    //      <Name>chilkat100</Name>
    //      <Prefix />
    //      <Marker />
    //      <MaxKeys>1000</MaxKeys>
    //      <IsTruncated>false</IsTruncated>
    //      <Contents>
    //          <Key>Abc.ics</Key>
    //          <LastModified>2011-05-25T14:53:27.000Z</LastModified>
    //          <ETag>"12ed2e28ff4abd4faead06b491836e64"</ETag>
    //          <Size>1833</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>Corpse Bride film poster.jpg</Key>
    //          <LastModified>2016-09-06T18:32:05.000Z</LastModified>
    //          <ETag>"5a63ba56f0641244e4988dd171b8c5ae"</ETag>
    //          <Size>53481</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>chiliPepper.gif</Key>
    //          <LastModified>2017-03-12T17:18:16.000Z</LastModified>
    //          <ETag>"8ee9b257fa70f69400d596977809da94"</ETag>
    //          <Size>7718</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>chilkatdude.jpg</Key>
    //          <LastModified>2011-05-20T21:14:44.000Z</LastModified>
    //          <ETag>"6f7555035d080421e09e932daf19c79d"</ETag>
    //          <Size>35137</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>cloud.search/dfe/indexer/pscc/2016/3/28/id,x-2-15-0-25-87-0.json</Key>
    //          <LastModified>2016-04-02T17:00:10.000Z</LastModified>
    //          <ETag>"518d70f41c9df4f85762ecde8a34cdea"</ETag>
    //          <Size>1238</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>cloud.search/dfe/indexer/pscc/2016/3/28/idx-2-15-0-25-87-0.json</Key>
    //          <LastModified>2016-04-02T16:33:36.000Z</LastModified>
    //          <ETag>"518d70f41c9df4f85762ecde8a34cdea"</ETag>
    //          <Size>1238</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>dude.gif</Key>
    //          <LastModified>2011-05-25T22:29:31.000Z</LastModified>
    //          <ETag>"208b908388905d442e81ded00a55541b"</ETag>
    //          <Size>6373</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>french.txt</Key>
    //          <LastModified>2017-03-12T17:18:16.000Z</LastModified>
    //          <ETag>"54468302e7cda1c1dfe45748d430035a"</ETag>
    //          <Size>47</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>hamlet.xml</Key>
    //          <LastModified>2016-05-02T17:21:27.000Z</LastModified>
    //          <ETag>"e04ea9ac8f616b0f35c5a7522de123dd"</ETag>
    //          <Size>279658</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>hamlet_play.xml</Key>
    //          <LastModified>2017-03-20T13:22:40.000Z</LastModified>
    //          <ETag>"e04ea9ac8f616b0f35c5a7522de123dd"</ETag>
    //          <Size>279658</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>images/sea_creatures/starfish123.jpg</Key>
    //          <LastModified>2017-01-19T16:45:52.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>images/sea_creatures/starfishåäö.jpg</Key>
/
    //          <LastModified>2017-01-19T18:07:11.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>new folder/</Key>
    //          <LastModified>2014-11-26T18:36:22.000Z</LastModified>
    //          <ETag>"d41d8cd98f00b204e9800998ecf8427e"</ETag>
    //          <Size>0</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>new_starfish.jpg</Key>
    //          <LastModified>2017-03-20T13:22:57.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>pigs.xml</Key>
    //          <LastModified>2017-03-20T13:22:58.000Z</LastModified>
    //          <ETag>"8252a4499a0df9afbc5d8f3d9995d816"</ETag>
    //          <Size>2804</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>somethingBig.zip</Key>
    //          <LastModified>2016-09-26T14:29:36.000Z</LastModified>
    //          <ETag>"109aa5c86378979c7b93752163c7a51f-3"</ETag>
    //          <Size>13089458</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish.jpg</Key>
    //          <LastModified>2017-03-12T17:18:16.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish/</Key>
    //          <LastModified>2014-11-10T16:07:45.000Z</LastModified>
    //          <ETag>"d41d8cd98f00b204e9800998ecf8427e"</ETag>
    //          <Size>0</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish/starfish.jpg</Key>
    //          <LastModified>2014-11-10T16:08:05.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish/starfish2.jpg</Key>
    //          <LastModified>2014-11-19T16:36:38.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish/starfish3.jpg</Key>
    //          <LastModified>2014-11-24T20:33:11.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish2.jpg</Key>
    //          <LastModified>2012-04-20T17:06:45.000Z</LastModified>
    //          <ETag>"525887bb7ff22c9b7f5446cb9748d59e"</ETag>
    //          <Size>5987</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfish3.jpg</Key>
    //          <LastModified>2012-04-11T12:10:40.000Z</LastModified>
    //          <ETag>"525887bb7ff22c9b7f5446cb9748d59e"</ETag>
    //          <Size>5987</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfishA.jpg</Key>
    //          <LastModified>2016-05-10T13:44:15.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>starfishCust.jpg</Key>
    //          <LastModified>2014-11-13T00:25:17.000Z</LastModified>
    //          <ETag>"2e9c59dbf2662367dc97dfdda85da048"</ETag>
    //          <Size>6229</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //      <Contents>
    //          <Key>xyz.ics</Key>
    //          <LastModified>2011-05-25T13:52:51.000Z</LastModified>
    //          <ETag>"12ed2e28ff4abd4faead06b491836e64"</ETag>
    //          <Size>1833</Size>
    //          <Owner>
    //              <ID>cf311e0b13e11b646949b7107f11b2bfbc5358f90df39395054ec40000695168</ID>
    //              <DisplayName>johnson</DisplayName>
    //          </Owner>
    //          <StorageClass>STANDARD</StorageClass>
    //      </Contents>
    //  </ListBucketResult>
  }
}

 

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