Android™
Android™
Azure Storage: List Blobs
See more Azure Cloud Storage Examples
Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat Android™ Downloads
// 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);
boolean success = false;
// Azure Blob Service Example: List the blobs in a specified container.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
CkRest rest = new CkRest();
// Connect to the Azure Storage Blob Service
boolean bTls = true;
int port = 443;
boolean bAutoReconnect = true;
// In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
if (success == false) {
Log.i(TAG, rest.lastErrorText());
return;
}
// Provide Azure Cloud credentials for the REST call.
CkAuthAzureStorage azAuth = new CkAuthAzureStorage();
azAuth.put_AccessKey("AZURE_ACCESS_KEY");
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.put_Account("chilkat");
azAuth.put_Scheme("SharedKey");
azAuth.put_Service("Blob");
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.put_XMsVersion("2021-08-06");
success = rest.SetAuthAzureStorage(azAuth);
// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization. These headers
// are automatically set by Chilkat.
// The expected success response is a 200 response status code with an XML response body.
// In this example, we are listing the blobs in the container named "mycontainer".
String responseStr = rest.fullRequestNoBody("GET","/mycontainer?restype=container&comp=list");
if (rest.get_LastMethodSuccess() == false) {
Log.i(TAG, rest.lastErrorText());
return;
}
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.
if (rest.get_ResponseStatusCode() != 200) {
// Examine the request/response to see what happened.
Log.i(TAG, "response status code = " + String.valueOf(rest.get_ResponseStatusCode()));
Log.i(TAG, "response status text = " + rest.responseStatusText());
Log.i(TAG, "response header: " + rest.responseHeader());
Log.i(TAG, "response body (if any): " + responseStr);
Log.i(TAG, "---");
Log.i(TAG, "LastRequestStartLine: " + rest.lastRequestStartLine());
Log.i(TAG, "LastRequestHeader: " + rest.lastRequestHeader());
return;
}
// Load the XML response for parsing.
// An example of the response XML is shown below.
CkXml xml = new CkXml();
success = xml.LoadXml(responseStr);
Log.i(TAG, xml.getXml());
// Let's iterate over the blobs...
CkDateTime lastMod = new CkDateTime();
int numBlobs = xml.NumChildrenAt("Blobs");
int i = 0;
CkDtObj dt = new CkDtObj();
while (i < numBlobs) {
Log.i(TAG, "---- Blob " + String.valueOf(i) + " ----");
xml.put_I(i);
Log.i(TAG, "Name: " + xml.getChildContent("Blobs|Blob[i]|Name"));
Log.i(TAG, "Content-Length: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-Length"));
Log.i(TAG, "Content-Type: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-Type"));
Log.i(TAG, "Content-MD5: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-MD5"));
Log.i(TAG, "BlobType: " + xml.getChildContent("Blobs|Blob[i]|Properties|BlobType"));
Log.i(TAG, "LeaseStatus: " + xml.getChildContent("Blobs|Blob[i]|Properties|LeaseStatus"));
lastMod.SetFromRfc822(xml.getChildContent("Blobs|Blob[i]|Properties|Last-Modified"));
lastMod.ToDtObj(true,dt);
Log.i(TAG, "Last-Modified YMD: " + String.valueOf(dt.get_Year()) + "," + String.valueOf(dt.get_Month()) + "," + String.valueOf(dt.get_Day()));
i = i + 1;
}
Log.i(TAG, "-------------------------");
// Use the ChilkatPath method to get information for a specific blob:
// For example, let's say we want the Last-Modified date/time for
// the blob named "helloWorld.txt"
String lastModStr = xml.chilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*");
Log.i(TAG, "helloWorld.txt Last-Modified: " + lastModStr);
Log.i(TAG, "Success.");
// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
// <Blobs>
// <Blob>
// <Name>hamletC.xml</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
// <Etag>0x8D372E48B6D323A</Etag>
// <Content-Length>279658</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>helloWorld.txt</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
// <Etag>0x8D3729D7EE38299</Etag>
// <Content-Length>12</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>thisIsATest.txt</Name>
// <Properties>
// <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
// <Etag>0x8D372E8F9B2A62E</Etag>
// <Content-Length>1600</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// </Blobs>
// <NextMarker />
// </EnumerationResults>
//
}
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."
}
}