Google App Engine Java API

This is the Google App Engine Java API, part of the Google App Engine Java Developer's Guide.

Packages
com.google.appengine.api Provides facilities for server lifecycle management, threading and namespaces/multitenancy.
com.google.appengine.api.appidentity Provides a service to sign arbitrary byte arrays using an internally-generated, rotated private key.
com.google.appengine.api.backends Provides access to long-running, addressable servers.
com.google.appengine.api.blobstore Provides management and persistent storage of large, immutable byte arrays.
com.google.appengine.api.capabilities Provides status information about the services available via the GAE APIs.
com.google.appengine.api.channel Provides persistent connectivity to JavaScript clients for real time messaging without the use of polling.
com.google.appengine.api.conversion Provides a service for format conversion of HTML, PDF, text, images and image optical character recognition (OCR).
com.google.appengine.api.datastore Provides persistent storage, also accessible via JDO or JPA interfaces.
com.google.appengine.api.files Provides a service for file storage and access.
com.google.appengine.api.images Provides facilities for the creation and manipulation of images.
com.google.appengine.api.log Provides access to request and application logs.
com.google.appengine.api.mail Provides a service to send email messages on behalf of administrators or authenticated users, also accessible via a JavaMail interface.
com.google.appengine.api.memcache Provides fast but unreliable data storage, also accessible via a JCache interface.
com.google.appengine.api.oauth Provides a method for clients to access server resources on behalf of a resource owner, as well as a process for end-users to authorize third-party access to their server resources without sharing their credentials.
com.google.appengine.api.prospectivesearch Provides a service for matching documents against subscribed queries.
com.google.appengine.api.quota Provides measurement of API and CPU usage during requests.
com.google.appengine.api.search Provides a service for indexing documents and retrieving them using search queries.
com.google.appengine.api.search.checkers  
com.google.appengine.api.search.query  
com.google.appengine.api.taskqueue Provides a mechanism to perform work initiated by a user request, outside of that request.
com.google.appengine.api.urlfetch Provides a service to make HTTP/S requests of other servers on the internet.
com.google.appengine.api.users Provides facilities to check if a user has authenticated, retrieve their email address, and check if they are an administrator for this application.
com.google.appengine.api.utils Provides common utility classes.
com.google.appengine.api.xmpp Provides access to XMPP-based instant message services, such as Google Talk.
com.google.apphosting.api Provides access to the ApiProxy, which dispatches API calls to backend services.

 

This is the Google App Engine Java API, part of the Google App Engine Java Developer's Guide.