Class EmptyHostSession

Method Details

• is3270

  public boolean is3270()

  Checks if a session is 3270 or 5250.

  Specified by:

  is3270 in interface HostSessionPeer

  Returns:

  true is always 3270.

• isProcessingDataStream

  public boolean isProcessingDataStream()

  Checks if the session is currently processing data stream commands to update the screen/cursor, state, etc.

  Specified by:

  isProcessingDataStream in interface HostSessionPeer

• connect

  public boolean connect()

  Connects the session to host.

  Specified by:

  connect in interface HostSessionPeer

• disconnect

  public boolean disconnect()

  Disconnects the session from host.

  Specified by:

  disconnect in interface HostSessionPeer

• sendCharacterString

  public boolean sendCharacterString(String keys)

  Sends character keystrokes to host.

  Specified by:

  sendCharacterString in interface HostSessionPeer

• sendKey

  public boolean sendKey(int key)

  Sends character keystrokes to host.

  Specified by:

  sendKey in interface HostSessionPeer

  See Also:

  • HostSendKeys

• setHostString

  public boolean setHostString(int x, int y, int originalOffset, int length, String string)

  Sets a string to a host field.

  Specified by:

  setHostString in interface HostSessionPeer

• setHostStringAsKeys

  public boolean setHostStringAsKeys(int x, int y, int offset, int length, String string)

  Sets a string to a host field just as if the user typed the characters. The host field is first cleared with (3270) Clear EOF or (5250) Field Exit or Field Minus (for negative numbers in a numeric field). The string is then entered as a set of keystrokes, followed by a potential Field Exit or Field Minus (for negative numbers in a numeric field), but only for 5250.

  Specified by:

  setHostStringAsKeys in interface HostSessionPeer

• doesHostNeedFieldExit

  public boolean doesHostNeedFieldExit(int x, int y, int offset, int length, String string)

  For 5250 only: checks if a field has the attributes that requires this particular string to enter the data followed by a "Field Exit" or "Field Minus" key. For 3270 it's always false.

  Specified by:

  doesHostNeedFieldExit in interface HostSessionPeer

  Returns:

  false=field doesn't require field exit, true=field requires field exit.

• setCursor

  public boolean setCursor(int x, int y)

  Sets the host cursor position.

  Specified by:

  setCursor in interface HostSessionPeer

• getCursor

  public Position getCursor()

  Gets the current host cursor position.

  Specified by:

  getCursor in interface HostSessionPeer

• getScreenSize

  public Size getScreenSize()

  Gets the current screen size.

  Specified by:

  getScreenSize in interface HostSessionPeer

• getScreenLength

  public int getScreenLength()

  Gets the current screen length (width * height).

  Specified by:

  getScreenLength in interface HostSessionPeer

• getSessionState

  public int getSessionState()

  Gets the current session state.

  Specified by:

  getSessionState in interface HostSessionPeer

  Returns:

  A combination of HostSessionPeer.STATE_* flags is returned.

• getCharactersAndAttributes

  public void getCharactersAndAttributes(char[] chars, int[] attrs, int beginPos, int endPos)

  Gets the characters and attributes between two positions, including the end position.

  Specified by:

  getCharactersAndAttributes in interface HostSessionPeer

• getCharactersAndAttributes

  public void getCharactersAndAttributes(char[] chars, int[] attrs, int beginPos, int endPos, char fieldOrNullChar)

  Gets the characters and attributes between two positions, including the end position. The character "fieldOrNullChar" is the character that will be used instead of field attributes and null characters.

  Specified by:

  getCharactersAndAttributes in interface HostSessionPeer

• refreshHostFields

  public void refreshHostFields(HostFields fields)

  Refreshes the host fields of the current session. The host session will add all available host fields sorted left to right, top to bottom.

  Specified by:

  refreshHostFields in interface HostSessionPeer

• setInsertMode

  public boolean setInsertMode(boolean m)

  Sets the insert mode on or off.

  Specified by:

  setInsertMode in interface HostSessionPeer

  Returns:

  true for success, false for failure.

• getLastError

  public String getLastError(boolean doClear)

  Gets the last error message of the session.

  Specified by:

  getLastError in interface HostSessionPeer

  Returns:

  null if the session doesn't support it (3270 doesn't).

• setLastError

  public void setLastError(String errMsg)

  Sets the last error message of the session.

  Specified by:

  setLastError in interface HostSessionPeer

• getDeviceName

  public String getDeviceName()

  Gets the device name of the session.

  Specified by:

  getDeviceName in interface HostSessionPeer

  Returns:

  null always.

• isPrinter

  public boolean isPrinter()

  Checks if this is a printer or not (always false).

  Specified by:

  isPrinter in interface HostSessionPeer

• doesFieldHaveExtendedAttributes

  public boolean doesFieldHaveExtendedAttributes(HostField hostField)

  Checks if a host field has extended attributes or not. 5250 never has, but 3270 could have, e.g. special highlighting.

  Specified by:

  doesFieldHaveExtendedAttributes in interface HostSessionPeer

• getNewCharAttribute

  public int getNewCharAttribute(HostField hostField)

  Gets the attribute to use for new characters in a field that contains extended attributes (always zero for non-3270).

  Specified by:

  getNewCharAttribute in interface HostSessionPeer

• getClientHostFieldFlags

  public int getClientHostFieldFlags(HostField hostField)

  Gets flags that are required for the client host fields for local editing, etc.

  Specified by:

  getClientHostFieldFlags in interface HostSessionPeer

• isAutoReconnectSessionEnabled

  public boolean isAutoReconnectSessionEnabled()

  Checks if the use of auto reconnect session is handled or not.

  Specified by:

  isAutoReconnectSessionEnabled in interface HostSessionPeer

• getHomeAddress

  public int getHomeAddress()

  Gets the host address index on the screen.

  Specified by:

  getHomeAddress in interface HostSessionPeer

• setHostField

  public boolean setHostField(HostField hostField, String data, int[] attrs)

  Sets a host field fully with text data and perhaps attributes (if these are non-null).

  Specified by:

  setHostField in interface HostSessionPeer

  Returns:

  true for success, false for failure.

• getAllowedCharacters

  public String getAllowedCharacters()

  Gets the string of characters that can be input by the user using the configured host code page for this session.

  If the return string is empty, for the EE package for example, all characters are "input'able".

  Specified by:

  getAllowedCharacters in interface HostSessionPeer

• isFieldFormatted

  public boolean isFieldFormatted()

  Checks if this host screen is field formatted. This method is not like the one in HostScreen, this one checks directly to see if any fields are present.

  Specified by:

  isFieldFormatted in interface HostSessionPeer

• isDisplayInSystemRequestMode

  public boolean isDisplayInSystemRequestMode()

  Never in system request mode.

  Specified by:

  isDisplayInSystemRequestMode in interface HostSessionPeer

• getComm

  public SocketCommNIO getComm()

  Gets the communication engine.

  Specified by:

  getComm in interface HostSessionPeer

  Returns:

  The NIO instance.

• getHostSession

  public HostSession getHostSession()

  Gets the host session.

  Specified by:

  getHostSession in interface HostSessionPeer