Class DataSourceRealm

All Implemented Interfaces:
MBeanRegistration, Contained, JmxEnabled, Lifecycle, Realm

public class DataSourceRealm extends RealmBase
Implementation of Realm that works with any JDBC JNDI DataSource. See the Realm How-To 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
  • Field Details

    • dataSourceName

      protected String dataSourceName
      The name of the JNDI JDBC DataSource
    • localDataSource

      protected boolean localDataSource
      Context local datasource.
    • roleNameCol

      protected String roleNameCol
      The column in the user role table that names a role
    • userCredCol

      protected String userCredCol
      The column in the user table that holds the user's credentials
    • userNameCol

      protected String userNameCol
      The column in the user table that holds the user's name
    • userRoleTable

      protected String userRoleTable
      The table that holds the relation between user's and roles
    • userTable

      protected String userTable
      The table that holds user data.
  • Constructor Details

    • DataSourceRealm

      public DataSourceRealm()
  • Method Details

    • getDataSourceName

      public String getDataSourceName()
      Returns:
      the name of the JNDI JDBC DataSource.
    • setDataSourceName

      public void setDataSourceName(String dataSourceName)
      Set the name of the JNDI JDBC DataSource.
      Parameters:
      dataSourceName - the name of the JNDI JDBC DataSource
    • getLocalDataSource

      public boolean getLocalDataSource()
      Returns:
      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 String getRoleNameCol()
      Returns:
      the column in the user role table that names a role.
    • setRoleNameCol

      public void setRoleNameCol(String roleNameCol)
      Set the column in the user role table that names a role.
      Parameters:
      roleNameCol - The column name
    • getUserCredCol

      public String getUserCredCol()
      Returns:
      the column in the user table that holds the user's credentials.
    • setUserCredCol

      public void setUserCredCol(String userCredCol)
      Set the column in the user table that holds the user's credentials.
      Parameters:
      userCredCol - The column name
    • getUserNameCol

      public String getUserNameCol()
      Returns:
      the column in the user table that holds the user's name.
    • setUserNameCol

      public void setUserNameCol(String userNameCol)
      Set the column in the user table that holds the user's name.
      Parameters:
      userNameCol - The column name
    • getUserRoleTable

      public String getUserRoleTable()
      Returns:
      the table that holds the relation between user's and roles.
    • setUserRoleTable

      public void setUserRoleTable(String userRoleTable)
      Set the table that holds the relation between user's and roles.
      Parameters:
      userRoleTable - The table name
    • getUserTable

      public String getUserTable()
      Returns:
      the table that holds user data..
    • setUserTable

      public void setUserTable(String userTable)
      Set the table that holds user data.
      Parameters:
      userTable - The table name
    • authenticate

      public Principal authenticate(String username, String credentials)
      Try to authenticate using the specified username and credentials.

      If there are any errors with the JDBC connection, executing the query or anything this method returns null (doesn'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
      Returns:
      the associated principal, or null if there is none
    • isAvailable

      public boolean isAvailable()
      Description copied from interface: Realm
      Return the availability of the realm for authentication.
      Returns:
      true if the realm is able to perform authentication
    • authenticate

      protected Principal authenticate(Connection dbConnection, String username, 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
      Returns:
      the associated principal, or null if there is none.
    • close

      protected void close(Connection dbConnection)
      Close the specified database connection.
      Parameters:
      dbConnection - The connection to be closed
    • open

      protected Connection open()
      Open the specified database connection.
      Returns:
      Connection to the database
    • getPassword

      protected String getPassword(String username)
      Description copied from class: RealmBase
      Get the password for the specified user.
      Specified by:
      getPassword in class RealmBase
      Parameters:
      username - The user name
      Returns:
      the password associated with the given principal's user name.
    • getPassword

      protected String getPassword(Connection dbConnection, 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
      Returns:
      the password for the specified user
    • getPrincipal

      protected Principal getPrincipal(String username)
      Description copied from class: RealmBase
      Get the principal associated with the specified user.
      Specified by:
      getPrincipal in class RealmBase
      Parameters:
      username - The user name
      Returns:
      the Principal associated with the given user name.
    • getRoles

      protected ArrayList<String> getRoles(String username)
      Return the roles associated with the given user name.
      Parameters:
      username - User name for which roles should be retrieved
      Returns:
      an array list of the role names
    • getRoles

      protected ArrayList<String> getRoles(Connection dbConnection, String username)
      Return the roles associated with the given user name.
      Parameters:
      dbConnection - The database connection to be used
      username - User name for which roles should be retrieved
      Returns:
      an array list of the role names
    • startInternal

      protected void startInternal() throws LifecycleException
      Description copied from class: RealmBase
      Prepare for the beginning of active use of the public methods of this component and implement the requirements of LifecycleBase.startInternal().
      Overrides:
      startInternal in class RealmBase
      Throws:
      LifecycleException - if this component detects a fatal error that prevents this component from being used