From cc3d3021981a799c8c9d28dad4ad9bffa320a370 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sun, 9 Jul 2017 10:49:57 +1200
Subject: Modify installation scripts

---
 setup/java-test/README.txt |   4 ++++
 setup/java-test/Test.java  |   5 +++++
 setup/java-test/test.jar   | Bin 0 -> 846 bytes
 setup/package.sh           |   1 +
 setup/setup.sh             |   6 +++---
 5 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 setup/java-test/README.txt
 create mode 100644 setup/java-test/Test.java
 create mode 100644 setup/java-test/test.jar

diff --git a/setup/java-test/README.txt b/setup/java-test/README.txt
new file mode 100644
index 000000000..b8ca72a7a
--- /dev/null
+++ b/setup/java-test/README.txt
@@ -0,0 +1,4 @@
+Create Java version test:
+
+javac -target 6 -source 6 Test.java
+jar cfe test.jar Test Test.class
diff --git a/setup/java-test/Test.java b/setup/java-test/Test.java
new file mode 100644
index 000000000..363d6953e
--- /dev/null
+++ b/setup/java-test/Test.java
@@ -0,0 +1,5 @@
+public class Test {
+    public static void main(String[] a) {
+    	System.exit(Integer.parseInt(System.getProperty("java.version").split("\\.")[1]) >= 7 ? 0 : 1);
+    }
+}
diff --git a/setup/java-test/test.jar b/setup/java-test/test.jar
new file mode 100644
index 000000000..9bb41b3a0
Binary files /dev/null and b/setup/java-test/test.jar differ
diff --git a/setup/package.sh b/setup/package.sh
index 1070dbeba..b38371dda 100755
--- a/setup/package.sh
+++ b/setup/package.sh
@@ -118,6 +118,7 @@ package_unix () {
   find out -type f \( -name \*.sh -o -name \*.vm \) -print0 | xargs -0 dos2unix
   copy_files
 
+  cp java-test/test.jar out
   cp setup.sh out
   makeself --notemp out traccar.run "traccar" ./setup.sh
 
diff --git a/setup/setup.sh b/setup/setup.sh
index 43e183eea..2b0ad1e7e 100755
--- a/setup/setup.sh
+++ b/setup/setup.sh
@@ -2,16 +2,16 @@
 
 if which java &>/dev/null
 then
-  if [ $(java -version 2>&1 | grep -i version | sed 's/.*version \"\(.*\)\.\(.*\)\..*\"/\1\2/; 1q') -lt 17 ]
+  if java -jar test.jar
   then
-    echo 'Java 7 or higher required'
-  else
     mkdir -p /opt/traccar
     cp -r * /opt/traccar
     rm -r ../out
     rm /opt/traccar/setup.sh
     chmod -r go+rX /opt/traccar
     /opt/traccar/bin/installDaemon.sh
+  else
+    echo 'Java 7 or higher is required'
   fi
 else
   echo 'Java runtime is required'
-- 
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