Liferay 6.1.1 : Disable simultaneous login from different sessions

Add the below properties in portal-ext.properties

     ##
     ## Live Users
     ##

    #
    # Set this to true to enable tracking via Live Users.
    #
    live.users.enabled=true

    #
    # Set the following to true if users are allowed to have simultaneous logins
    # from different sessions. This property is not used unless the property
    # "live.users.enabled" is set to true.
    #
    auth.simultaneous.logins=false

Disable "Request processed successfully" Message

1. Add this in portlet.xml

<init-param>
    <name>add-process-action-success-action < /name>
    <value>false
< /init-param>

2. If you want to change for a particular action rather than for all actions.

public void addBook(ActionRequest actionRequest,
                                  ActionResponse actionResponse)
                                throws IOException, PortletException {

   ...............
   .................

    String successMsg = "Book added Successfully!";

    SessionMessages.add(actionRequest, "request_processed", successMsg);
}

AUI Form Validation for Alpha and AlphaNumeric

<aui:input name="field1" >
           
    <!-- Only allow alphabetical characters -->
    <aui:validator name="alpha" />
   
</aui:input>

<aui:input name="field2" >
           
    <!-- Only allow alphanumeric characters/digits -->
    <aui:validator name="alphanum" />
   
</aui:input >

AUI Form Validation For file uploads with extension

<aui:input type="file" name="field2" >

    <!--
    For use with input type="file"
    Only allow file uploads with this extension.
    Specify multiple values either comma delimted 'jpg, png',
    whitespace delimited 'jpg png', or pipe 'jpg|png' delimited.
    Do not include the period before the extension
    -->
    <aui:validator name="acceptFiles">
        'jpg, png'
    </aui:validator>
   
</aui:input>

AUI Form Validator Taglib

< aui:input name="field1" >
    <!-- Example with multiple validators -->

    <!-- Make the field required. If the field is empty, form will not submit -->
    <aui:validator name="required" />

    <!-- Only allow digits in the field -->
    <aui:validator name="digits" />

    <!-- Make sure field value is between 1 and 100 characters in length -->
    <aui:validator name="range" >
    [1,100]
    </aui:validator >

</aui:input >