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

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

All Implemented Interfaces:

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

public abstract class AbstractAppEngineFlowServlet
extends AbstractFlowUserServlet

This class fills in some of the unknowns of the generic AbstractFlowUserServlet with reasonable defaults for App Engine. This servlet requires that the App Engine user must be logged in to work correctly.

Since:

1.4

Author:

moshenko@google.com (Jacob Moshenko)

See Also:

Serialized Form

Constructor Summary

AbstractAppEngineFlowServlet()

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.AbstractFlowUserServlet

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

AbstractAppEngineFlowServlet

public AbstractAppEngineFlowServlet()

Method Detail

getUserId

protected String getUserId()

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

Specified by:

getUserId in class AbstractFlowUserServlet

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: AbstractFlowUserServlet

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 AbstractFlowUserServlet

Returns:

HttpTransport instance for your particular environment

newJsonFactoryInstance

protected JsonFactory newJsonFactoryInstance()

Description copied from class: AbstractFlowUserServlet

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 AbstractFlowUserServlet

Returns:

JsonFactory instance for your particular environment