# Apache Tomcat 7.0.81 API

Packages
Package | Description
--- | ---
org.apache.catalina |
org.apache.catalina.ant | This package contains a set of `Task` implementations for Ant (version 1.6.x or later) that can be used to interact with the Manager application to deploy, undeploy, list, reload, start and stop web applications from a running instance of Tomcat.
org.apache.catalina.ant.jmx | This package contains a set of `JMX Task` implementations for Ant (version 1.6 or later) that can be used to interact with the Remote JMX JSR 160 RMI Adaptor to get/set attributes, invoke MBean operations and query for Mbeans inside a running instance of Tomcat.
org.apache.catalina.authenticator | This package contains `Authenticator` implementations for the various supported authentication methods (BASIC, DIGEST, and FORM).
org.apache.catalina.comet |
org.apache.catalina.connector |
org.apache.catalina.core |
org.apache.catalina.deploy | This package contains Java objects that represent complex data structures from the web application deployment descriptor file (`web.xml`).
org.apache.catalina.filters |
org.apache.catalina.ha | This package contains code for Clustering, the base class of a Cluster is `org.apache.catalina.Cluster` implementations of this class is done when implementing a new Cluster protocol
org.apache.catalina.ha.authenticator |
org.apache.catalina.ha.backend |
org.apache.catalina.ha.context |
org.apache.catalina.ha.deploy |
org.apache.catalina.ha.jmx |
org.apache.catalina.ha.session |
org.apache.catalina.ha.tcp |
org.apache.catalina.ha.util |
org.apache.catalina.loader |
org.apache.catalina.manager |
org.apache.catalina.manager.host |
org.apache.catalina.manager.util |
org.apache.catalina.mbeans |
org.apache.catalina.realm | This package contains `Realm` implementations for the various supported realm technologies for authenticating users and identifying their associated roles.
org.apache.catalina.security |
org.apache.catalina.servlets | This package contains `Servlets` that implement some of the standard functionality provided by the Catalina servlet container.
org.apache.catalina.session | This package contains the standard `Manager` and `Session` implementations that represent the collection of active sessions and the individual sessions themselves, respectively, that are associated with a `Context`.
org.apache.catalina.ssi | This package contains code that is used by the SsiInvoker.
org.apache.catalina.startup |
org.apache.catalina.tribes | Apache Tribes - The Tomcat Cluster Communication Module QuickStart `//create a channel Channel myChannel = new GroupChannel(); //create my listeners MyMessageListener msgListener = new MyMessageListener(); MyMemberListener mbrListener = new MyMemberListener(); //attach the listeners to the channel myChannel.addMembershipListener(mbrListener); myChannel.addChannelListener(msgListener); //start the channel myChannel.start(Channel.DEFAULT); //create a message to be sent, message must implement java.io.Serializable //for performance reasons you probably want them to implement java.io.Externalizable Serializable myMsg = new MyMessage(); //retrieve my current members Member[] group = myChannel.getMembers(); //send the message channel.send(group,myMsg,Channel.SEND_OPTIONS_DEFAULT);` Interfaces for the Application Developer `org.apache.catalina.tribes.Channel` Main component to interact with to send messages `org.apache.catalina.tribes.MembershipListener` Listen to membership changes `org.apache.catalina.tribes.ChannelListener` Listen to data messages `org.apache.catalina.tribes.Member` Identifies a node, implementation specific, default is org.apache.catalina.tribes.membership.MemberImpl Interfaces for the Tribes Component Developer `org.apache.catalina.tribes.Channel` Main component to that the application interacts with `org.apache.catalina.tribes.ChannelReceiver` IO Component to receive messages over some network transport `org.apache.catalina.tribes.ChannelSender` IO Component to send messages over some network transport `org.apache.catalina.tribes.MembershipService` IO Component that handles membership discovery and `org.apache.catalina.tribes.ChannelInterceptor` interceptors between the Channel and the IO layer `org.apache.catalina.tribes.ChannelMessage` The message that is sent through the interceptor stack down to the IO layer `org.apache.catalina.tribes.Member` Identifies a node, implementation specific to the underlying IO logic
org.apache.catalina.tribes.group |
org.apache.catalina.tribes.group.interceptors |
org.apache.catalina.tribes.io |
org.apache.catalina.tribes.membership |
org.apache.catalina.tribes.tipis |
org.apache.catalina.tribes.transport |
org.apache.catalina.tribes.transport.bio |
org.apache.catalina.tribes.transport.bio.util |
org.apache.catalina.tribes.transport.nio |
org.apache.catalina.tribes.util |
org.apache.catalina.users |
org.apache.catalina.util |
org.apache.catalina.valves | This package contains a variety of small Valve implementations that do not warrant being packaged separately.
org.apache.catalina.websocket |
org.apache.coyote |
org.apache.coyote.ajp |
org.apache.coyote.http11 |
org.apache.coyote.http11.filters |
org.apache.coyote.http11.upgrade |
org.apache.coyote.http11.upgrade.servlet31 |
org.apache.el |
org.apache.el.lang |
org.apache.el.parser |
org.apache.el.util |
org.apache.jasper |
org.apache.jasper.compiler |
org.apache.jasper.compiler.tagplugin |
org.apache.jasper.el |
org.apache.jasper.runtime |
org.apache.jasper.security |
org.apache.jasper.servlet |
org.apache.jasper.tagplugins.jstl |
org.apache.jasper.tagplugins.jstl.core |
org.apache.jasper.util |
org.apache.jasper.xmlparser |
org.apache.juli |
org.apache.juli.logging | Overview This implementation of commons-logging uses a commons-logging.jar specific to a particular logging framework, instead of discovery.
org.apache.naming | This package contains a memory based naming service provider.
org.apache.naming.factory | This package contains object factories used by the naming service.
org.apache.naming.factory.webservices |
org.apache.naming.java | This package contains the URL context factory for the "java" namespace.
org.apache.naming.resources | This package contains the resources directory context implementation.
org.apache.naming.resources.jndi |
org.apache.tomcat |
org.apache.tomcat.buildutil |
org.apache.tomcat.jdbc.naming |
org.apache.tomcat.jdbc.pool |
org.apache.tomcat.jdbc.pool.interceptor |
org.apache.tomcat.jdbc.pool.jmx |
org.apache.tomcat.jni |
org.apache.tomcat.util |
org.apache.tomcat.util.bcel | This package contains basic classes for the Byte Code Engineering Library and constants defined by the JVM specification.
org.apache.tomcat.util.bcel.classfile | This package contains the classes that describe the structure of a Java class file and a class file parser.
org.apache.tomcat.util.buf | Buffers and Encodings This package contains buffers and utils to perform encoding/decoding of buffers.
org.apache.tomcat.util.codec |
org.apache.tomcat.util.codec.binary | Base64, Base32, Binary, and Hexadecimal String encoding and decoding.
org.apache.tomcat.util.collections |
org.apache.tomcat.util.compat |
org.apache.tomcat.util.descriptor |
org.apache.tomcat.util.digester | The Digester package provides for rules-based processing of arbitrary XML documents.
org.apache.tomcat.util.file | This package contains utility classes for file handling.
org.apache.tomcat.util.http | Special utils for handling HTTP-specific entities - headers, parameters, cookies, etc.
org.apache.tomcat.util.http.fileupload | NOTE: This code has been copied from commons-fileupload trunk 1.3 and commons-io 1.4 and package renamed to avoid clashes with any web apps that may wish to use these libraries.
org.apache.tomcat.util.http.fileupload.disk | A disk-based implementation of the `FileItem` interface.
org.apache.tomcat.util.http.fileupload.servlet | An implementation of `FileUpload` for use in servlets conforming to JSR 53.
org.apache.tomcat.util.http.fileupload.util | This package contains various IO related utility classes or methods, which are basically reusable and not necessarily restricted to the scope of a file upload.
org.apache.tomcat.util.http.fileupload.util.mime | MIME decoder implementation, imported and retailed from Apache Geronimo.
org.apache.tomcat.util.http.mapper |
org.apache.tomcat.util.http.parser |
org.apache.tomcat.util.log |
org.apache.tomcat.util.modeler | The Modeler component of the Commons project offers convenient support for configuring and instantiating Model MBeans (management beans), as described in the JMX Specification.
org.apache.tomcat.util.modeler.modules | Implementation classes - should not be used directly.
org.apache.tomcat.util.net |
org.apache.tomcat.util.net.jsse |
org.apache.tomcat.util.res |
org.apache.tomcat.util.scan | This package contains the common classes used to perform configuration scanning for Catalina and Jasper.
org.apache.tomcat.util.security |
org.apache.tomcat.util.threads |
org.apache.tomcat.websocket |
org.apache.tomcat.websocket.pojo | This package provides the necessary plumbing to convert an annotated POJO into a WebSocket `Endpoint`.
org.apache.tomcat.websocket.server | Server-side specific implementation classes.

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