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(Android™) Xero API through an HTTP ProxyThis example demonstrates connecting through an HTTP proxy w/ 2-legged OAuth for a Xero private application. This example requires Chilkat v9.5.0.64 or later
// 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); // This example requires Chilkat v9.5.0.64 or later // This sample code would typically be placed in a subroutine or function // where the rest object is passed by reference. // It does the OAuth1 setup and makes the initial connection. CkRest rest = new CkRest(); // Connect to the Xero server through an HTTP proxy, and then tell the REST object // to use the socket connection. CkSocket socket = new CkSocket(); // Set the HTTP proxy domain or IP address, and port. socket.put_HttpProxyHostname("192.168.1.100"); socket.put_HttpProxyPort(8088); // Connect through the HTTP proxy.. boolean bTls = true; int port = 443; int maxWaitMs = 5000; boolean success = socket.Connect("api.xero.com",port,bTls,maxWaitMs); if (success != true) { Log.i(TAG, "Connect Failure Error Code: " + String.valueOf(socket.get_ConnectFailReason())); Log.i(TAG, socket.lastErrorText()); return; } // Use the HTTP proxied TLS connection: success = rest.UseConnection(socket,true); if (success != true) { Log.i(TAG, rest.lastErrorText()); return; } // OK, we're connected. // The UseConnection method has an internal reference to the underlying/internal socket. // The application can does not need to keep its socket object in existence. // ----------------------------------------------------------------- // Now setup the OAuth1 authenticator.. String consumerKey = "XERO_PRIVATE_APP_KEY"; String consumerSecret = "XERO_PRIVATE_APP_SECRET"; // Let's get our private key from our PFX (password protected), or the PEM (unprotected). // You can decide which to use. Either is OK, although I would recommend keeping your // private keys in a PFX and not in an unprotected PEM. CkPfx pfx = new CkPfx(); success = pfx.LoadPfxFile("qa_data/certs/xero_private_app/public_privatekey.pfx","PFX_PASSWORD"); if (success != true) { Log.i(TAG, pfx.lastErrorText()); return; } CkPrivateKey privKeyFromPfx = pfx.GetPrivateKey(0); if (pfx.get_LastMethodSuccess() != true) { Log.i(TAG, pfx.lastErrorText()); return; } // Or we can load from a PEM.. CkPrivateKey privKeyFromPem = new CkPrivateKey(); success = privKeyFromPem.LoadPemFile("qa_data/certs/xero_private_app/privatekey.pem"); if (success != true) { Log.i(TAG, privKeyFromPem.lastErrorText()); return; } // Note: There are many other means for loading a private key, including // from other formats and directly from memory (i.e. not file-based). CkOAuth1 oauth1 = new CkOAuth1(); oauth1.put_ConsumerKey(consumerKey); oauth1.put_ConsumerSecret(consumerSecret); oauth1.put_Token(consumerKey); oauth1.put_TokenSecret(consumerSecret); oauth1.put_SignatureMethod("RSA-SHA1"); oauth1.SetRsaKey(privKeyFromPfx); // Install the OAuth1 authenticator. rest.SetAuthOAuth1(oauth1,false); Log.i(TAG, "OK, the Xero OAuth1 is initialized and the REST object is ready to make REST API calls.."); // ----------------------------------------------------------------- // Make a call to verify that OAuth1 through an HTTP proxy works.. // Get the full list of contacts. CkStringBuilder sbXml = new CkStringBuilder(); success = rest.FullRequestNoBodySb("GET","/api.xro/2.0/Contacts",sbXml); if (success != true) { Log.i(TAG, rest.lastErrorText()); return; } // A 200 response is expected for actual success. if (rest.get_ResponseStatusCode() != 200) { Log.i(TAG, sbXml.getAsString()); return; } // Iterate over the contacts.. boolean bAutoTrim = false; CkXml xml = new CkXml(); xml.LoadSb(sbXml,bAutoTrim); xml.SaveXml("qa_cache/xero_contacts.xml"); // How many records exist? int recordCount = xml.NumChildrenAt("Contacts"); Log.i(TAG, "numRecords = " + String.valueOf(recordCount)); int i = 0; while (i < recordCount) { xml.put_I(i); Log.i(TAG, "ContactID: " + xml.getChildContent("Contacts|Contact[i]|ContactID")); 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." } } |
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