InstallTomcat.ps1

function Install-Tomcat {
    [CmdletBinding()]
    param(
        # Path to the Tomcat installer exe
        [Parameter(Mandatory=$true)]
        [string]
        $Path,

        # Install Destination
        [Parameter(Mandatory=$true)]
        [ParameterType]
        $Destination,

        # Service name that the Tomcat service will run as
        [Parameter(Mandatory=$false)]
        [ValidatePattern("(?i)Tomcat")]
        [string]
        $ServiceName = "Tomcat7",

        # Path to java install
        [Parameter(Mandatory=$false)]
        [string]
        $javapath = $env:java_home,
        
        # Java Options
        [Parameter(Mandatory=$false)]
        [string[]]
        $javaopts,

        # When used will update Tomcat instead of doing a clean install
        [Parameter(Mandatory=$false)]
        [switch]
        $Update

    )
    
    begin {
      #some basic code goes here to test paths, verify params, verifies catalina.jar version
      
      function Get-TomcatStatus {
        #checks to see if tomcat already exists at $destination, also checks to see if there is a service with a name like Tomcat already
        #returns $TomcatStatus
      }
      
      function New-Install {
        #some code goes here to do a fresh install after determining the state of Tomcat on the host
      }
      
      function Upgrade-Tomcat {
        #if the switch -Update is used, it will run a command to update the tomcat options
      }
      
      }
      
    process {
      If(!($Update)) {
        New-Install $path $destination $servicename $javaopts
      } else {
        Update-Install $path $destination $servicename $javaopts
      }
    }
    }
    }