Fix java version detection and downloading

[fw/altos] / altosui / Instdrv / NSIS / Includes / java.nsh

diff --git a/altosui/Instdrv/NSIS/Includes/java.nsh b/altosui/Instdrv/NSIS/Includes/java.nsh
new file mode 100644 (file)
index 0000000..ebf1c5b
--- /dev/null
+++ b/altosui/Instdrv/NSIS/Includes/java.nsh
@@ -0,0 +1,50 @@
+!include WordFunc.nsh
+
+; Definitions for Java Detection
+
+!define JRE_VERSION "1.6"
+!define JRE32_URL "http://javadl.sun.com/webapps/download/AutoDL?BundleId=52247&/jre-6u27-windows-i586.exe"
+!define JRE64_URL "http://javadl.sun.com/webapps/download/AutoDL?BundleId=52249&/jre-6u27-windows-x64.exe"
+
+Var JavaDownload
+Var JavaBits
+
+Function GetJRE
+       ${If} ${RunningX64}
+          StrCpy $JavaDownload ${JRE64_URL}
+          StrCpy $JavaBits "64"
+       ${Else}
+          StrCpy $JavaDownload ${JRE32_URL}
+          StrCpy $JavaBits "32"
+       ${EndIf}
+
+        MessageBox MB_OK "This product uses Java ${JRE_VERSION}, \
+                       $JavaBits bits, it will now \
+                        be downloaded and installed"
+
+        StrCpy $2 "$TEMP\Java Runtime Environment.exe"
+        nsisdl::download /TIMEOUT=30000 $JavaDownload $2
+        Pop $R0 ;Get the return value
+                StrCmp $R0 "success" +3
+                MessageBox MB_OK "Download failed: $R0"
+                Quit
+        ExecWait $2
+        Delete $2
+FunctionEnd
+
+Function DetectJRE
+  ReadRegStr $2 HKLM "SOFTWARE\JavaSoft\Java Runtime Environment" \
+             "CurrentVersion"
+
+  DetailPrint "Desired Java version ${JRE_VERSION}"
+  DetailPrint "Actual Java version $2"
+
+  ${VersionCompare} $2 ${JRE_VERSION} $3
+
+  IntCmp $3 1 done done
+
+  Call GetJRE
+
+done:
+
+FunctionEnd