<project name="EJBDeployWorkAroundPreUninstall" default="EJBDeployWorkAroundPreUninstall" basedir=".">
    <taskdef name="wscmtlog" classname="com.ibm.ws.install.configmanager.actionengine.ant.utils.AntTaskToLogToConfigManagersLogFiles"/>
    
    <target name="detectCurrentOSFamily"
            description="Detects the current OS family (UNIX or Windows).">

        <condition property="currentOSFamily" 
                value="os/400">
            <equals arg1="${os.name}" 
                arg2="OS/400"/>
        </condition>
        <condition property="currentOSFamily" 
                value="windows">
            <os family="windows"/>
        </condition>
        <condition property="currentOSFamily" 
                value="unix">            
            <os family="unix"/>
        </condition>
        
        <wscmtlog>Detected current OS family to be: ${currentOSFamily}</wscmtlog>
    </target>

    <target name="setCurrentOSFamily"
            description="Detects the current OS family (UNIX, OS400 or Windows)">
        
        <condition property="isCurrentOSOS400" value="true">
            <equals arg1="${currentOSFamily}" arg2="os/400"/>
        </condition>
        <condition property="isCurrentOSWindows" value="true">
            <equals arg1="${currentOSFamily}" arg2="windows"/>
        </condition>
        <condition property="isCurrentOSUNIX" value="true">
            <equals arg1="${currentOSFamily}" arg2="unix"/>
        </condition>
    </target>

    <target name="setOSFileSeparator"
            description="Sets the current file separator for this platform (file.separator is unreliable on ANT 1.5.4).">
            
        <condition property="separatorFile" 
                value="/">
            <equals arg1="${currentOSFamily}" 
                arg2="os/400"/>
        </condition>
        <condition property="separatorFile" 
                value="/">
            <equals arg1="${currentOSFamily}" 
                arg2="unix"/>
        </condition>
        <condition property="separatorFile" 
                value="\">
            <equals arg1="${currentOSFamily}" 
                arg2="windows"/>
        </condition>
    </target>

    <target name="setExecutable"
            description="Sets the name of the executable file based on the os family.">

        <condition property="executable" 
                value="${WAS_HOME}${separatorFile}deploytool${separatorFile}scripts${separatorFile}uninstall${separatorFile}ejbdeploy-pre-uninstall">
            <equals arg1="${currentOSFamily}" arg2="os/400"/>
        </condition>
        <condition property="executable" 
                value="${WAS_HOME}${separatorFile}deploytool${separatorFile}scripts${separatorFile}uninstall${separatorFile}ejbdeploy-pre-uninstall.sh">
            <equals arg1="${currentOSFamily}" arg2="unix"/>
        </condition>
        <condition property="executable" 
                value="${WAS_HOME}${separatorFile}deploytool${separatorFile}scripts${separatorFile}uninstall${separatorFile}ejbdeploy-pre-uninstall.bat"> 
            <equals arg1="${currentOSFamily}" arg2="windows"/>
        </condition>
        
        <wscmtlog>The full path of the executable is: ${executable}</wscmtlog>
    </target>
    
    <target name="checkExecutableExistence"
		description="Determine whether the executable file exists">
		
		<available property="executableExists" file="${executable}" type="file"/>
		<wscmtlog>executableExists value is ${executableExists}</wscmtlog>
	</target>
	
	<target name="issueWarning" unless="executableExists"
		description="Issue a warning if executable does not exist">
		
		<wscmtlog priority="severe">Executable ${executable} does not exist, therefore it was not executed.</wscmtlog>
	</target>

	<target name="invokeExecutableOS400"
		description="Invoke the executable on OS400"
		if="isCurrentOSOS400">
		
		<wscmtlog>Invoking ${executable}.</wscmtlog>
		<exec executable="${executable}" failonerror="false"/>
	</target>

	<target name="invokeExecutableUNIX"
		description="Invoke the executable on UNIX"
		if="isCurrentOSUNIX">
		
		<wscmtlog>Invoking ${executable}.</wscmtlog>
		<exec executable="sh" dir="${WAS_HOME}${separatorFile}bin">
		    <arg value="${executable}"/>
		</exec>
	</target>
	
	<target name="invokeExecutableWindows"
		description="Invoke the executable on Windows"
		if="isCurrentOSWindows">
		
		<wscmtlog>Invoking ${executable}.</wscmtlog>
		<exec executable="cmd" dir="${WAS_HOME}${separatorFile}bin">
		    <arg value="/c"/>
		    <arg value="${executable}"/>
		</exec>
	</target>
	
	<target name ="invokeExecutable"
	    description="Invoke the executable"
	    depends="invokeExecutableOS400,
	             invokeExecutableUNIX,
	             invokeExecutableWindows"/>
    
    <target name="EJBDeployWorkAroundPreUninstall"
        description="Run EJB deploy workaround pre-uninstall script for defect 447931."
        depends="detectCurrentOSFamily,
            setCurrentOSFamily,
            setOSFileSeparator,
            setExecutable,
			checkExecutableExistence,
			issueWarning,
			invokeExecutable"/>   
    
</project>
