com.google.api.client.extensions.appengine.auth
Class AbstractAppEngineTwoLeggedFlowServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          com.google.api.client.extensions.servlet.auth.AbstractTwoLeggedFlowServlet
              com.google.api.client.extensions.appengine.auth.AbstractAppEngineTwoLeggedFlowServlet

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public abstract class AbstractAppEngineTwoLeggedFlowServlet
extends AbstractTwoLeggedFlowServlet

Specialization of the two-legged flow that uses some simple defaults for App Engine.

Since:

1.5

Author:

moshenko@google.com (Jacob Moshenko)

See Also:

Serialized Form

Constructor Summary

AbstractAppEngineTwoLeggedFlowServlet()

Method Summary

protected String	getUserId() Return the user ID of the user that is logged in.
protected HttpTransport	newHttpTransportInstance() Create a new HttpTransport instance.
protected JsonFactory	newJsonFactoryInstance() Create a new JsonFactory instance.

Methods inherited from class com.google.api.client.extensions.servlet.auth.AbstractTwoLeggedFlowServlet

getCredential, getHttpTransport, getJsonFactory, getPersistenceManagerFactory, newFlow, service

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractAppEngineTwoLeggedFlowServlet

public AbstractAppEngineTwoLeggedFlowServlet()

Method Detail

getUserId

protected String getUserId()

Return the user ID of the user that is logged in.

Specified by:

getUserId in class AbstractTwoLeggedFlowServlet

Returns:

Get a string representation of a userId that can be used to associate credentials and flows with a specific user.

Throws:

IllegalStateException - Thrown when no user is logged in.

newHttpTransportInstance

protected HttpTransport newHttpTransportInstance()

Description copied from class: AbstractTwoLeggedFlowServlet

Create a new HttpTransport instance. Implementations can create any type of applicable transport and should be as simple as:

  new NetHttpTransport();
 

Specified by:

newHttpTransportInstance in class AbstractTwoLeggedFlowServlet

Returns:

HttpTransport instance for your particular environment

newJsonFactoryInstance

protected JsonFactory newJsonFactoryInstance()

Description copied from class: AbstractTwoLeggedFlowServlet

Create a new JsonFactory instance. Implementations can create any type of applicable json factory and should be as simple as:

  new JacksonFactory();
 

Specified by:

newJsonFactoryInstance in class AbstractTwoLeggedFlowServlet

Returns:

JsonFactory instance for your particular environment