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jSerialComm
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Check fazecast.jSerialComm.appid property and use it to create an app-specific tmpdir folder so that multiple applications running jSerialComm simultaneously don't cause problems with each other

This commit is contained in:
Eclipse 2021-06-19 02:18:44 +03:00
parent 374323cd6e
commit 55ede252d6
1 changed files with 9 additions and 0 deletions
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9
src/main/java/com/fazecast/jSerialComm/SerialPort.java
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@ -51,6 +51,9 @@ public final class SerialPort
{
// Static initializer loads correct native library for this machine
private static final String versionString = "2.7.0";
// Used to distinguish multiple processes running this lib
private static final String TMPDIR_APPID_PROPERTY = "fazecast.jSerialComm.appid";
private static volatile boolean isAndroid = false;
private static volatile boolean isUnixBased = false;
private static volatile boolean isWindows = false;
@ -62,7 +65,13 @@ public final class SerialPort
String tempFileDirectory = System.getProperty("java.io.tmpdir");
if ((tempFileDirectory.charAt(tempFileDirectory.length()-1) != '\\') && (tempFileDirectory.charAt(tempFileDirectory.length()-1) != '/'))
tempFileDirectory += "/";
// Make sure to use appId to separate tmpdir directories if library is used by multiple modules, so they don't erase each others folders accidentally.
String appId = System.getProperty(TMPDIR_APPID_PROPERTY, "");
tempFileDirectory += "jSerialComm/";
if (!appId.isEmpty()) {
tempFileDirectory += appId + (!appId.endsWith("/") ? "/" : "");
}
deleteDirectory(new File(tempFileDirectory));
// Determine Operating System and architecture