Package com.sun.appserv.management.client.prefs

Class MemoryHashLoginInfoStore

java.lang.Object
com.sun.appserv.management.client.prefs.MemoryHashLoginInfoStore
All Implemented Interfaces:
LoginInfoStore
public class MemoryHashLoginInfoStore extends Object implements LoginInfoStore
A LoginInfoStore that reads the information from the default file ".gfclient/pass" and stores it as a map in the memory. It is not guaranteed that the concurrent modifications will yield consistent results. This class is not thread safe. The serial access has to be ensured by the callers.
Since:
Appserver 9.0

  • Constructor Summary

    Constructors
    Constructor
    Description
    MemoryHashLoginInfoStore()
    Creates a new instance of MemoryHashLoginInfoStore.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    exists(String host, int port)
    Checks whether a LoginInfo for given host and port exists in this store.
    String
    getName()
    Returns the name of the store.
    Collection<LoginInfo>
    list()
    A convenience method that returns the Collection of LoginInfo instances stored in this store.
    LoginInfo
    read(String host, int port)
    Returns a LoginInfo corresponding to the given host and port, from this store.
    void
    remove(String host, int port)
    Removes the LoginInfo corresponding to the given host and port, from this store.
    int
    size()
    A convenience method that returns the number of LoginInfo instances stored in this store.
    void
    store(LoginInfo login)
    Stores the given LoginInfo in this store.
    void
    store(LoginInfo login, boolean overwrite)
    Stores the given LoginInfo in this store.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • MemoryHashLoginInfoStore

      public MemoryHashLoginInfoStore() throws StoreException
      Creates a new instance of MemoryHashLoginInfoStore. A side effect of calling this constructor is that if the default store does not exist, it will be created. This does not pose any harm or surprises.
      Throws:
      StoreException

  • Method Details

    • store

      public void store(LoginInfo login) throws StoreException
      Description copied from interface: LoginInfoStore
      Stores the given LoginInfo in this store. Given LoginInfo may not be null. Upon successful return, the size of this store increases by one. An exception is thrown if there is already a LoginInfo with given host and port.
      Specified by:
      store in interface LoginInfoStore
      Parameters:
      login - a LoginInfo that needs to be stored
      Throws:
      StoreException - if there's any problem or if there is already a LoginInfo with given host and port

    • store

      public void store(LoginInfo login, boolean overwrite) throws StoreException
      Description copied from interface: LoginInfoStore
      Stores the given LoginInfo in this store. Given LoginInfo may not be null. Upon successful return, the size of this store increases by one. An exception is thrown if there is already a LoginInfo with given host and port and overwrite is false. If overwrite is true, the given LoginInfo is stored regardless of whether it already exists in this store. Depending upon the value of overwrite, the store is either unchanged or not.
      Specified by:
      store in interface LoginInfoStore
      Parameters:
      login - a LoginInfo that needs to be stored
      Throws:
      StoreException - if there's any problem in storing or if overwrite is false and the LoginInfo with given host and port already exists

    • remove

      public void remove(String host, int port)
      Description copied from interface: LoginInfoStore
      Removes the LoginInfo corresponding to the given host and port, from this store. The host may not be null. If no such LoginInfo exists, StoreException results. The caller thus must ensure if such a LoginInfo exists before calling this method. Upon successful return, size of this store decreases by one.
      Specified by:
      remove in interface LoginInfoStore
      Parameters:
      host - a non null String representing host name
      port - an integer specifying the port number

    • read

      public LoginInfo read(String host, int port)
      Description copied from interface: LoginInfoStore
      Returns a LoginInfo corresponding to the given host and port, from this store. The host may not be null. For a given host and port, there can be at most one LoginInfo in this store.
      Specified by:
      read in interface LoginInfoStore
      Parameters:
      host - a non null String representing host name
      port - an integer specifying the port number
      Returns:
      the corresponding LoginInfo, null if there is none

    • exists

      public boolean exists(String host, int port)
      Description copied from interface: LoginInfoStore
      Checks whether a LoginInfo for given host and port exists in this store.
      Specified by:
      exists in interface LoginInfoStore
      Parameters:
      host - a non null String representing host name
      port - an integer specifying the port number

    • size

      public int size()
      Description copied from interface: LoginInfoStore
      A convenience method that returns the number of LoginInfo instances stored in this store. Zero is returned when no login information is stored.
      Specified by:
      size in interface LoginInfoStore
      Returns:
      an integer representing number of stored login information elements, 0 if none

    • list

      public Collection<LoginInfo> list()
      Description copied from interface: LoginInfoStore
      A convenience method that returns the Collection of LoginInfo instances stored in this store. An empty Collection is returned when there are no LoginInfo items stored.
      Specified by:
      list in interface LoginInfoStore
      Returns:
      the Collection of LoginInfo instances

    • getName

      public String getName()
      Description copied from interface: LoginInfoStore
      Returns the name of the store. This is any name that the store implementation wants to use for identification, for instance.
      Specified by:
      getName in interface LoginInfoStore