Massive package refactoring

[lgpl/argeo-commons.git] / org.argeo.cms / src / org / argeo / cms / util / OS.java

diff --git a/org.argeo.cms/src/org/argeo/cms/util/OS.java b/org.argeo.cms/src/org/argeo/cms/util/OS.java
new file mode 100644 (file)
index 0000000..c63d7a1
--- /dev/null
+++ b/org.argeo.cms/src/org/argeo/cms/util/OS.java
@@ -0,0 +1,65 @@
+package org.argeo.cms.util;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+/** When OS specific informations are needed. */
+public class OS {
+       public final static OS LOCAL = new OS();
+
+       private final String arch, name, version;
+
+       /** The OS of the running JVM */
+       protected OS() {
+               arch = System.getProperty("os.arch");
+               name = System.getProperty("os.name");
+               version = System.getProperty("os.version");
+       }
+
+       public String getArch() {
+               return arch;
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       public String getVersion() {
+               return version;
+       }
+
+       public boolean isMSWindows() {
+               // only MS Windows would use such an horrendous separator...
+               return File.separatorChar == '\\';
+       }
+
+       public String[] getDefaultShellCommand() {
+               if (!isMSWindows())
+                       return new String[] { "/bin/bash", "-l", "-i" };
+               else
+                       return new String[] { "cmd.exe", "/C" };
+       }
+
+       public static long getJvmPid() {
+               return ProcessHandle.current().pid();
+//             String pidAndHost = ManagementFactory.getRuntimeMXBean().getName();
+//             return Integer.parseInt(pidAndHost.substring(0, pidAndHost.indexOf('@')));
+       }
+
+       /**
+        * Get the runtime directory. It will be the environment variable
+        * XDG_RUNTIME_DIR if it is set, or ~/.cache/argeo if not.
+        */
+       public static Path getRunDir() {
+               Path runDir;
+               String xdgRunDir = System.getenv("XDG_RUNTIME_DIR");
+               if (xdgRunDir != null) {
+                       // TODO support multiple names
+                       runDir = Paths.get(xdgRunDir);
+               } else {
+                       runDir = Paths.get(System.getProperty("user.home"), ".cache/argeo");
+               }
+               return runDir;
+       }
+}