Android™ AWS S3: Get S3 Object Tags

Back to Index

Returns the tags associated with an object. This example gets the tags for the object named "starfish.jpg" located in the bucket "chilkat100".

Documentation: https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGETtagging.html

CURL Command

curl -X GET https://chilkat100.s3.amazonaws.com/starfish.jpg?tagging

Android™ Example

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    CkRest rest = new CkRest();
    boolean success;

    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    authAws.put_Region("us-east-1");
    authAws.put_ServiceName("s3");
    rest.SetAuthAws(authAws);

    //  URL: https://chilkat100.s3.amazonaws.com/starfish.jpg?tagging
    boolean bTls = true;
    int port = 443;
    boolean bAutoReconnect = true;
    success = rest.Connect("chilkat100.s3.amazonaws.com",port,bTls,bAutoReconnect);
    if (success != true) {
        Log.i(TAG, "ConnectFailReason: " + String.valueOf(rest.get_ConnectFailReason()));
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestNoBodySb("GET","/starfish.jpg?tagging",sbResponseBody);
    if (success != true) {
        Log.i(TAG, rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    if (respStatusCode >= 400) {
        Log.i(TAG, "Response Status Code = " + String.valueOf(respStatusCode));
        Log.i(TAG, "Response Header:");
        Log.i(TAG, rest.responseHeader());
        Log.i(TAG, "Response Body:");
        Log.i(TAG, sbResponseBody.getAsString());
        return;
        }

    CkXml xmlResponse = new CkXml();
    xmlResponse.LoadSb(sbResponseBody,true);

    //  See the Online Tool for Generating XML Parse Code
    String Tagging_xmlns;
    int i;
    int count_i;
    String tagPath;
    String Key;
    String Value;

    Tagging_xmlns = xmlResponse.getAttrValue("xmlns");
    i = 0;
    count_i = xmlResponse.NumChildrenHavingTag("TagSet|Tag");
    while (i < count_i) {
        xmlResponse.put_I(i);
        Key = xmlResponse.getChildContent("TagSet|Tag[i]|Key");
        Value = xmlResponse.getChildContent("TagSet|Tag[i]|Value");
        i = i + 1;
        }


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}

Sample XML Response Body

<?xml version="1.0" encoding="UTF-8" ?>
<Tagging xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    <TagSet>
        <Tag>
            <Key>habitat</Key>
            <Value>ocean</Value>
        </Tag>
        <Tag>
            <Key>phylum</Key>
            <Value>Echinodermata</Value>
        </Tag>
        <Tag>
            <Key>animal</Key>
            <Value>starfish</Value>
        </Tag>
    </TagSet>
</Tagging>