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package net.customware.license.atlassian.restriction;

import net.customware.license.support.simple.SimpleLicenseContent;
import net.customware.license.support.simple.SimpleRestrictionException;

public class UserCountRestriction extends AbstractLicenseRestriction {

    @Override
    protected void checkRestriction( Object context, SimpleLicenseContent content, Object attributeValue ) throws SimpleRestrictionException {
        Number maxUsers = (Number) attributeValue;
        
        // unlimited number of users 
        if( maxUsers != null && maxUsers.intValue() == -1 )
        	return ; 
         
        if ( maxUsers != null && maxUsers.intValue() > 0 ) {
            com.atlassian.license.License license = getLicense( context );
            int users = license.getUsers();
            if ( users > maxUsers.intValue() )
                throw new SimpleRestrictionException( "This license supports " + maxUsers + " users but the Atlassian license allows " + users + "." );
        }
    }

    public static void setMaxUserCount( SimpleLicenseContent content, Integer maxUserCount ) {
        content.setAttribute( UserCountRestriction.class, maxUserCount );
    }
}