Added detection for the usage of JPMS, updated version

LICENSE

@@ -1,7 +1,7 @@
  - OS - Information about the system, Java runtime, OS, Window Manager, and Desktop Environment.
    [The Apache Software License, Version 2.0]
    https://git.dorkbox.com/dorkbox/OS
-   Copyright 2022
+   Copyright 2023
      Dorkbox LLC
 
    Extra license information

README.md

@@ -20,7 +20,7 @@ Maven Info
     <dependency>
       <groupId>com.dorkbox</groupId>
       <artifactId>OS</artifactId>
-      <version>1.1</version>
+      <version>1.2</version>
     </dependency>
 </dependencies>
 ```
@@ -30,7 +30,7 @@ Gradle Info
 ```
 dependencies {
     ...
-    implementation("com.dorkbox:OS:1.1")
+    implementation("com.dorkbox:OS:1.2")
 }
 ```
 

build.gradle.kts

@@ -38,7 +38,7 @@ object Extras {
     // set for the project
     const val description = "Information about the system, Java runtime, OS, Window Manager, and Desktop Environment."
     const val group = "com.dorkbox"
-    const val version = "1.1"
+    const val version = "1.2"
 
     // set as project.ext
     const val name = "OS"

src/dorkbox/os/JVM.kt

@@ -0,0 +1,10 @@
+package dorkbox.os
+
+internal object JVM {
+    // java 8 cannot use JPMS. We use a multi-release jar to detect the state for java9+ runtimes
+
+    /**
+     * Returns true if the currently running JVM is using the classpath or modules (JPMS)
+     */
+    var usesJpms = false
+}

src/dorkbox/os/OS.kt

@@ -29,7 +29,7 @@ object OS {
     /**
      * Gets the version number.
      */
-    const val version = "1.1"
+    const val version = "1.2"
 
     init {
         // Add this project to the updates system, which verifies this class + UUID + version information
@@ -43,7 +43,7 @@ object OS {
     const val LINE_SEPARATOR_MACOS = "\r"
     const val LINE_SEPARATOR_WINDOWS = "\r\n"
 
-    val TEMP_DIR = File(getProperty("java.io.tmpdir", "temp")).absoluteFile!!
+    val TEMP_DIR = File(getProperty("java.io.tmpdir", "temp")).absoluteFile
 
     /**
      * The currently running MAJOR java version as a NUMBER. For example, "Java version 1.7u45", and converts it into 7, uses JEP 223 for java > 9
@@ -74,6 +74,11 @@ object OS {
         }
     }
 
+    /**
+     * Returns true if the currently running JVM is using the classpath or modules (JPMS)
+     */
+    val usesJpms = JVM.usesJpms
+
     /**
      * Returns the *ORIGINAL* system time zone, before (*IF*) it was changed to UTC
      */

src9/dorkbox/os/EmptyClass.java

@@ -1,24 +0,0 @@
-/*
- * Copyright 2021 dorkbox, llc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package dorkbox.os;
-
-/**
- * Required for intellij to not complain regarding `module-info` for a multi-release jar.
- * This file is completely ignored by the gradle build process
- */
-public
-class EmptyClass {}

src9/dorkbox/os/JVM.kt

@@ -0,0 +1,8 @@
+package dorkbox.os
+
+internal object JVM {
+    /**
+     * Returns true if the currently running JVM is using the classpath or modules (JPMS)
+     */
+    var usesJpms = true == java.lang.ModuleLayer.boot().findModule("java.desktop").isPresent
+}