(XML) código para detectar mySQL e JVM intalados na maquina (XML)

Pessoal, to usando o programa que cria instaladores de programas e é escrito com códigos XML (BitRock InstallBuilder Enterprise).
Alguém sabe o que tenho que acrescentar no código XML abaixo para verificar se há mySQL e JVM instalados na máquina antes de iniciar a instalação??


<project>
    <shortName>JLABRO</shortName>
    <fullName>JLABRO - Sistema de controle de horas trabalhadas</fullName>
    <version>1.0</version>
    <readmeFile>D:/Documentos/Workspace Eclipse - Projetos/JLABRO - Controle de horas trabalhadas/INSTALADOR/readme.txt</readmeFile>
    <leftImage>D:/Documentos/Workspace Eclipse - Projetos/JLABRO - Controle de horas trabalhadas/INSTALADOR/durante.png</leftImage>
    <logoImage>D:/Documentos/Workspace Eclipse - Projetos/JLABRO - Controle de horas trabalhadas/INSTALADOR/ícone.gif</logoImage>
    <splashImage>D:/Documentos/Workspace Eclipse - Projetos/JLABRO - Controle de horas trabalhadas/INSTALADOR/inicial.png</splashImage>
    <defaultLanguage>pt_BR</defaultLanguage>
    <readyToInstallActionList>
        <autodetectJava>
            <customErrorMessage>Você não possui JVM instalada! Corrija e reinicie a instalação!</customErrorMessage>
            <explanation>Verificação de JVM</explanation>
            <promptUser>0</promptUser>
        </autodetectJava>
    </readyToInstallActionList>
    <postInstallationActionList>
        <runProgram>
            <program>${installdir}/files/importScriptSQL.bat</program>
            <programArguments></programArguments>
            <useMSDOSPath>0</useMSDOSPath>
        </runProgram>
    </postInstallationActionList>
    <enableRollback>1</enableRollback>
    <enableTimestamp>1</enableTimestamp>
    <height>400</height>
    <vendor>Faculdades Anglo Americano - Campus Foz do Iguaçu</vendor>
    <width>520</width>
    <componentList>
        <component>
            <name>JLABRO</name>
            <description>JLABRO - Controle de horas trabalhadas</description>
            <canBeEdited>1</canBeEdited>
            <selected>1</selected>
            <show>1</show>
            <desktopShortcutList>
                <shortcut>
                    <comment>JLABRO - Sistema de controle de horas trabalhadas nos projetos da faculdade</comment>
                    <exec></exec>
                    <icon></icon>
                    <name>JLABRO - Sistema de controle de horas</name>
                    <path></path>
                    <platforms>all</platforms>
                    <runAsAdmin>0</runAsAdmin>
                    <runInTerminal>0</runInTerminal>
                    <windowsExec>${installdir}/JLABRO.jar</windowsExec>
                    <windowsExecArgs></windowsExecArgs>
                    <windowsIcon>${installdir}/images/iconePROG.ico</windowsIcon>
                    <windowsPath></windowsPath>
                </shortcut>
            </desktopShortcutList>
            <folderList>
                <folder>
                    <description>Program Files</description>
                    <destination>${installdir}</destination>
                    <name>programfiles</name>
                    <platforms>all</platforms>
                    <distributionFileList>
                        <distributionDirectory>
                            <origin>D:/Desktop/PROGRAMA/files</origin>
                        </distributionDirectory>
                        <distributionDirectory>
                            <origin>D:/Desktop/PROGRAMA/images</origin>
                        </distributionDirectory>
                        <distributionDirectory>
                            <origin>D:/Desktop/PROGRAMA/JLABRO_lib</origin>
                        </distributionDirectory>
                        <distributionFile>
                            <origin>D:/Desktop/PROGRAMA/JLABRO.jar</origin>
                        </distributionFile>
                    </distributionFileList>
                </folder>
                <folder>
                    <description>Program Files</description>
                    <destination>${installdir}</destination>
                    <name>programfileslinux</name>
                    <platforms>linux</platforms>
                </folder>
                <folder>
                    <description>Program Files</description>
                    <destination>${installdir}</destination>
                    <name>programfileswindows</name>
                    <platforms>windows</platforms>
                </folder>
                <folder>
                    <description>Program Files</description>
                    <destination>${installdir}</destination>
                    <name>programfilesosx</name>
                    <platforms>osx</platforms>
                </folder>
            </folderList>
            <startMenuShortcutList>
                <startMenuShortcut>
                    <comment>Desinstalar JLABRO - Sistema de controle de horas</comment>
                    <name>Uninstall ${product_fullname}</name>
                    <runAsAdmin>0</runAsAdmin>
                    <runInTerminal>0</runInTerminal>
                    <windowsExec>${installdir}/${uninstallerName}.exe</windowsExec>
                    <windowsExecArgs></windowsExecArgs>
                    <windowsIcon></windowsIcon>
                    <windowsPath>${installdir}/</windowsPath>
                </startMenuShortcut>
                <startMenuShortcut>
                    <comment>JLABRO - Sistema de controle de horas trabalhadas nos projetos da faculdade</comment>
                    <name>JLABRO - Sistema de controle de horas</name>
                    <runAsAdmin>0</runAsAdmin>
                    <runInTerminal>0</runInTerminal>
                    <windowsExec>${installdir}/JLABRO.jar</windowsExec>
                    <windowsExecArgs></windowsExecArgs>
                    <windowsIcon>${installdir}/images/iconePROG.ico</windowsIcon>
                    <windowsPath></windowsPath>
                </startMenuShortcut>
            </startMenuShortcutList>
        </component>
    </componentList>
    <parameterList>
        <directoryParameter>
            <name>installdir</name>
            <description>Installer.Parameter.installdir.description</description>
            <explanation>Installer.Parameter.installdir.explanation</explanation>
            <value></value>
            <default>${platform_install_prefix}/${product_shortname}-${product_version}</default>
            <allowEmptyValue>0</allowEmptyValue>
            <ask>yes</ask>
            <cliOptionName>prefix</cliOptionName>
            <mustBeWritable>yes</mustBeWritable>
            <mustExist>0</mustExist>
            <width>40</width>
        </directoryParameter>
    </parameterList>
    <slideShowImageList>
        <slideShowImage>
            <path>D:/Documentos/Workspace Eclipse - Projetos/JLABRO - Controle de horas trabalhadas/INSTALADOR/inicial.png</path>
        </slideShowImage>
    </slideShowImageList>
</project>