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Apache Tomcat 6.0.53
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org.apache.catalina.realm
Class DataSourceRealm

java.lang.Object
  extended by org.apache.catalina.realm.RealmBase
      extended by org.apache.catalina.realm.DataSourceRealm
All Implemented Interfaces:
javax.management.MBeanRegistration, Lifecycle, Realm
public class DataSourceRealm
extends RealmBase

Implmentation of Realm that works with any JDBC JNDI DataSource. See the JDBCRealm.howto for more details on how to set up the database and for configuration options.

Author:
Glenn L. Nielsen, Craig R. McClanahan, Carson McDonald, Ignacio Ortega

Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.catalina.realm.RealmBase
RealmBase.AllRolesMode
 
Field Summary
protected  java.lang.String dataSourceName
          The name of the JNDI JDBC DataSource
protected static java.lang.String info
          Descriptive information about this Realm implementation.
protected  boolean localDataSource
          Context local datasource.
protected static java.lang.String name
          Descriptive information about this Realm implementation.
protected  java.lang.String roleNameCol
          The column in the user role table that names a role
protected static StringManager sm
          The string manager for this package.
protected  java.lang.String userCredCol
          The column in the user table that holds the user's credintials
protected  java.lang.String userNameCol
          The column in the user table that holds the user's name
protected  java.lang.String userRoleTable
          The table that holds the relation between user's and roles
protected  java.lang.String userTable
          The table that holds user data.
 
Fields inherited from class org.apache.catalina.realm.RealmBase
allRolesMode, container, containerLog, controller, digest, digestEncoding, domain, host, initialized, lifecycle, md, md5Encoder, md5Helper, mserver, oname, path, realmPath, started, support, type, validate, x509UsernameRetriever, x509UsernameRetrieverClassName
 
Fields inherited from interface org.apache.catalina.Lifecycle
AFTER_START_EVENT, AFTER_STOP_EVENT, BEFORE_START_EVENT, BEFORE_STOP_EVENT, DESTROY_EVENT, INIT_EVENT, PERIODIC_EVENT, START_EVENT, STOP_EVENT
 
Constructor Summary
DataSourceRealm()
           
 
Method Summary
protected  java.security.Principal authenticate(java.sql.Connection dbConnection, java.lang.String username, java.lang.String credentials)
          Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.
 java.security.Principal authenticate(java.lang.String username, java.lang.String credentials)
          Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.
protected  void close(java.sql.Connection dbConnection)
          Close the specified database connection.
 java.lang.String getDataSourceName()
          Return the name of the JNDI JDBC DataSource.
 java.lang.String getInfo()
          Return descriptive information about this Realm implementation and the corresponding version number, in the format <description>/<version>.
 boolean getLocalDataSource()
          Return if the datasource will be looked up in the webapp JNDI Context.
protected  java.lang.String getName()
          Return a short name for this Realm implementation.
protected  java.lang.String getPassword(java.sql.Connection dbConnection, java.lang.String username)
          Return the password associated with the given principal's user name.
protected  java.lang.String getPassword(java.lang.String username)
          Return the password associated with the given principal's user name.
protected  java.security.Principal getPrincipal(java.lang.String username)
          Return the Principal associated with the given user name.
 java.lang.String getRoleNameCol()
          Return the column in the user role table that names a role.
protected  java.util.ArrayList<java.lang.String> getRoles(java.sql.Connection dbConnection, java.lang.String username)
          Return the roles associated with the given user name
protected  java.util.ArrayList getRoles(java.lang.String username)
          Return the roles associated with the given user name.
 java.lang.String getUserCredCol()
          Return the column in the user table that holds the user's credentials.
 java.lang.String getUserNameCol()
          Return the column in the user table that holds the user's name.
 java.lang.String getUserRoleTable()
          Return the table that holds the relation between user's and roles.
 java.lang.String getUserTable()
          Return the table that holds user data..
protected  java.sql.Connection open()
          Open the specified database connection.
 void setDataSourceName(java.lang.String dataSourceName)
          Set the name of the JNDI JDBC DataSource.
 void setLocalDataSource(boolean localDataSource)
          Set to true to cause the datasource to be looked up in the webapp JNDI Context.
 void setRoleNameCol(java.lang.String roleNameCol)
          Set the column in the user role table that names a role.
 void setUserCredCol(java.lang.String userCredCol)
          Set the column in the user table that holds the user's credentials.
 void setUserNameCol(java.lang.String userNameCol)
          Set the column in the user table that holds the user's name.
 void setUserRoleTable(java.lang.String userRoleTable)
          Set the table that holds the relation between user's and roles.
 void setUserTable(java.lang.String userTable)
          Set the table that holds user data.
 void start()
          Prepare for active use of the public methods of this Component.
 void stop()
          Gracefully shut down active use of the public methods of this Component.
 
Methods inherited from class org.apache.catalina.realm.RealmBase
addLifecycleListener, addPropertyChangeListener, authenticate, authenticate, authenticate, backgroundProcess, destroy, digest, Digest, findLifecycleListeners, findSecurityConstraints, getAllRolesMode, getContainer, getController, getDigest, getDigest, getDigestEncoding, getDomain, getObjectName, getPrincipal, getRealmPath, getRealmSuffix, getType, getValidate, getX509UsernameRetrieverClassName, hasMessageDigest, hasResourcePermission, hasRole, hasUserDataPermission, init, main, postDeregister, postRegister, preDeregister, preRegister, removeLifecycleListener, removePropertyChangeListener, setAllRolesMode, setContainer, setController, setDigest, setDigestEncoding, setRealmPath, setValidate, setX509UsernameRetrieverClassName
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

dataSourceName

protected java.lang.String dataSourceName
The name of the JNDI JDBC DataSource

info

protected static final java.lang.String info
Descriptive information about this Realm implementation.

See Also:
Constant Field Values

localDataSource

protected boolean localDataSource
Context local datasource.

name

protected static final java.lang.String name
Descriptive information about this Realm implementation.

See Also:
Constant Field Values

roleNameCol

protected java.lang.String roleNameCol
The column in the user role table that names a role

sm

protected static final StringManager sm
The string manager for this package.

userCredCol

protected java.lang.String userCredCol
The column in the user table that holds the user's credintials

userNameCol

protected java.lang.String userNameCol
The column in the user table that holds the user's name

userRoleTable

protected java.lang.String userRoleTable
The table that holds the relation between user's and roles

userTable

protected java.lang.String userTable
The table that holds user data.

Constructor Detail

DataSourceRealm

public DataSourceRealm()
Method Detail

getDataSourceName

public java.lang.String getDataSourceName()
Return the name of the JNDI JDBC DataSource.

setDataSourceName

public void setDataSourceName(java.lang.String dataSourceName)
Set the name of the JNDI JDBC DataSource.

Parameters:
dataSourceName - the name of the JNDI JDBC DataSource

getLocalDataSource

public boolean getLocalDataSource()
Return if the datasource will be looked up in the webapp JNDI Context.

setLocalDataSource

public void setLocalDataSource(boolean localDataSource)
Set to true to cause the datasource to be looked up in the webapp JNDI Context.

Parameters:
localDataSource - the new flag value

getRoleNameCol

public java.lang.String getRoleNameCol()
Return the column in the user role table that names a role.

setRoleNameCol

public void setRoleNameCol(java.lang.String roleNameCol)
Set the column in the user role table that names a role.

Parameters:
roleNameCol - The column name

getUserCredCol

public java.lang.String getUserCredCol()
Return the column in the user table that holds the user's credentials.

setUserCredCol

public void setUserCredCol(java.lang.String userCredCol)
Set the column in the user table that holds the user's credentials.

Parameters:
userCredCol - The column name

getUserNameCol

public java.lang.String getUserNameCol()
Return the column in the user table that holds the user's name.

setUserNameCol

public void setUserNameCol(java.lang.String userNameCol)
Set the column in the user table that holds the user's name.

Parameters:
userNameCol - The column name

getUserRoleTable

public java.lang.String getUserRoleTable()
Return the table that holds the relation between user's and roles.

setUserRoleTable

public void setUserRoleTable(java.lang.String userRoleTable)
Set the table that holds the relation between user's and roles.

Parameters:
userRoleTable - The table name

getUserTable

public java.lang.String getUserTable()
Return the table that holds user data..

setUserTable

public void setUserTable(java.lang.String userTable)
Set the table that holds user data.

Parameters:
userTable - The table name

getInfo

public java.lang.String getInfo()
Return descriptive information about this Realm implementation and the corresponding version number, in the format <description>/<version>.

Specified by:
getInfo in interface Realm
Overrides:
getInfo in class RealmBase

authenticate

public java.security.Principal authenticate(java.lang.String username,
                                            java.lang.String credentials)
Return the Principal associated with the specified username and credentials, if there is one; otherwise return null. If there are any errors with the JDBC connection, executing the query or anything we return null (don't authenticate). This event is also logged, and the connection will be closed so that a subsequent request will automatically re-open it.

Specified by:
authenticate in interface Realm
Overrides:
authenticate in class RealmBase
Parameters:
username - Username of the Principal to look up
credentials - Password or other credentials to use in authenticating this username

authenticate

protected java.security.Principal authenticate(java.sql.Connection dbConnection,
                                               java.lang.String username,
                                               java.lang.String credentials)
Return the Principal associated with the specified username and credentials, if there is one; otherwise return null.

Parameters:
dbConnection - The database connection to be used
username - Username of the Principal to look up
credentials - Password or other credentials to use in authenticating this username

close

protected void close(java.sql.Connection dbConnection)
Close the specified database connection.

Parameters:
dbConnection - The connection to be closed

open

protected java.sql.Connection open()
Open the specified database connection.

Returns:
Connection to the database

getName

protected java.lang.String getName()
Return a short name for this Realm implementation.

Specified by:
getName in class RealmBase

getPassword

protected java.lang.String getPassword(java.lang.String username)
Return the password associated with the given principal's user name.

Specified by:
getPassword in class RealmBase

getPassword

protected java.lang.String getPassword(java.sql.Connection dbConnection,
                                       java.lang.String username)
Return the password associated with the given principal's user name.

Parameters:
dbConnection - The database connection to be used
username - Username for which password should be retrieved

getPrincipal

protected java.security.Principal getPrincipal(java.lang.String username)
Return the Principal associated with the given user name.

Specified by:
getPrincipal in class RealmBase

getRoles

protected java.util.ArrayList getRoles(java.lang.String username)
Return the roles associated with the given user name.

Parameters:
username - Username for which roles should be retrieved

getRoles

protected java.util.ArrayList<java.lang.String> getRoles(java.sql.Connection dbConnection,
                                                         java.lang.String username)
Return the roles associated with the given user name

Parameters:
dbConnection - The database connection to be used
username - Username for which roles should be retrieved

start

public void start()
           throws LifecycleException
Prepare for active use of the public methods of this Component.

Specified by:
start in interface Lifecycle
Overrides:
start in class RealmBase
Throws:
LifecycleException - if this component detects a fatal error that prevents it from being started

stop

public void stop()
          throws LifecycleException
Gracefully shut down active use of the public methods of this Component.

Specified by:
stop in interface Lifecycle
Overrides:
stop in class RealmBase
Throws:
LifecycleException - if this component detects a fatal error that needs to be reported
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