Apache Tomcat 7.0.42

## org.apache.catalina.realm
Class NullRealm

    java.lang.Object
      org.apache.catalina.util.LifecycleBase
          org.apache.catalina.util.LifecycleMBeanBase
              org.apache.catalina.realm.RealmBase
                  org.apache.catalina.realm.NullRealm

All Implemented Interfaces:
  MBeanRegistration, Lifecycle, Realm

    public class NullRealm

extends RealmBase

Minimal Realm implementation that always returns null when an attempt is made to validate a user name and password. It is intended to be used as a default Realm implementation when no other Realm is specified.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.catalina.realm.RealmBase
`RealmBase.AllRolesMode`

Field Summary

Fields inherited from class org.apache.catalina.realm.RealmBase
`allRolesMode, container, containerLog, digest, digestEncoding, info, md, md5Encoder, md5Helper, realmPath, sm, stripRealmForGss, support, validate, x509UsernameRetriever, x509UsernameRetrieverClassName`

Fields inherited from class org.apache.catalina.util.LifecycleMBeanBase
`mserver`

Fields inherited from interface org.apache.catalina.Lifecycle
`AFTER_DESTROY_EVENT, AFTER_INIT_EVENT, AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_DESTROY_EVENT, BEFORE_INIT_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, CONFIGURE_START_EVENT, CONFIGURE_STOP_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT`

Constructor Summary
`NullRealm()`

Method Summary
`protected String` `getName()` Return a short name for this Realm implementation, for use in log messages.
`protected String` `getPassword(String username)` Return the password associated with the given principal's user name.
`protected Principal` `getPrincipal(String username)` Return the Principal associated with the given user name.

Methods inherited from class org.apache.catalina.realm.RealmBase

`addPropertyChangeListener, authenticate, authenticate, authenticate, authenticate, backgroundProcess, digest, Digest, findSecurityConstraints, getAllRolesMode, getContainer, getDigest, getDigest, getDigestCharset, getDigestEncoding, getDomainInternal, getInfo, getObjectNameKeyProperties, getPrincipal, getPrincipal, getRealmPath, getRealmSuffix, getServer, getValidate, getX509UsernameRetrieverClassName, hasMessageDigest, hasResourcePermission, hasRole, hasUserDataPermission, initInternal, isStripRealmForGss, main, removePropertyChangeListener, setAllRolesMode, setContainer, setDigest, setDigestEncoding, setRealmPath, setStripRealmForGss, setValidate, setX509UsernameRetrieverClassName, startInternal, stopInternal, toString`

Methods inherited from class org.apache.catalina.util.LifecycleMBeanBase
`destroyInternal, getDomain, getObjectName, postDeregister, postRegister, preDeregister, preRegister, register, setDomain, unregister`

Methods inherited from class org.apache.catalina.util.LifecycleBase
`addLifecycleListener, destroy, findLifecycleListeners, fireLifecycleEvent, getState, getStateName, init, removeLifecycleListener, setState, setState, start, stop`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### NullRealm

    public NullRealm()

Method Detail

### getName

    protected String getName()

  Description copied from class: `RealmBase`
  Return a short name for this Realm implementation, for use in log messages.

  Specified by:
    `getName` in class `RealmBase`

### getPassword

    protected String getPassword(String username)

  Description copied from class: `RealmBase`
  Return the password associated with the given principal's user name.

  Specified by:
    `getPassword` in class `RealmBase`

### getPrincipal

    protected Principal getPrincipal(String username)

  Description copied from class: `RealmBase`
  Return the Principal associated with the given user name.

  Specified by:
    `getPrincipal` in class `RealmBase`

Apache Tomcat 7.0.42

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