package org.argeo.cms.jshell;
import java.io.IOException;
+import java.nio.file.ClosedWatchServiceException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystems;
import java.nio.file.Files;
private Path jtermBase;
private Path jtermLinkedDir;
+ private WatchService watchService;
+
public void start() throws Exception {
// TODO better define application id, make it configurable
String applicationID;
// TODO centralise state run dir
stateRunDir = OS.getRunDir().resolve(applicationID);
+ // TODO factorise create/delete pattern
jshBase = stateRunDir.resolve(JShellClient.JSH);
+ if (Files.exists(jshBase)) {
+ log.warn(jshBase + " already exists, deleting it...");
+ FsUtils.delete(jshBase);
+ }
Files.createDirectories(jshBase);
- jshLinkedDir = Files.createSymbolicLink(cmsState.getStatePath(JShellClient.JSH), jshBase);
+ jshLinkedDir = cmsState.getStatePath(JShellClient.JSH);
+ if (Files.exists(jshLinkedDir)) {
+ log.warn(jshLinkedDir + " already exists, deleting it...");
+ FsUtils.delete(jshLinkedDir);
+ }
+ Files.createSymbolicLink(jshLinkedDir, jshBase);
jtermBase = stateRunDir.resolve(JShellClient.JTERM);
+ if (Files.exists(jtermBase)) {
+ log.warn(jtermBase + " already exists, deleting it...");
+ FsUtils.delete(jtermBase);
+ }
Files.createDirectories(jtermBase);
- jtermLinkedDir = Files.createSymbolicLink(cmsState.getStatePath(JShellClient.JTERM), jtermBase);
+ jtermLinkedDir = cmsState.getStatePath(JShellClient.JTERM);
+ if (Files.exists(jtermLinkedDir)) {
+ log.warn(jtermLinkedDir + " already exists, deleting it...");
+ FsUtils.delete(jtermLinkedDir);
+ }
+ Files.createSymbolicLink(jtermLinkedDir, jtermBase);
log.info("Local JShell on " + jshBase + ", linked to " + jshLinkedDir);
log.info("Local JTerm on " + jtermBase + ", linked to " + jtermLinkedDir);
new Thread(() -> {
try {
- WatchService watchService = FileSystems.getDefault().newWatchService();
+ watchService = FileSystems.getDefault().newWatchService();
jshBase.register(watchService, StandardWatchEventKinds.ENTRY_CREATE,
StandardWatchEventKinds.ENTRY_DELETE);
}
key.reset();
}
+ } catch (ClosedWatchServiceException e) {
+ if (log.isTraceEnabled())
+ log.trace("JShell file watch service was closed");
} catch (IOException | InterruptedException e) {
- e.printStackTrace();
+ log.error("Unexpected exception in JShell file watch service", e);
}
}, "JShell local sessions watcher").start();
}
}
public void stop() {
+ if (watchService != null)
+ try {
+ watchService.close();
+ } catch (IOException e) {
+ log.error("Cannot close JShell watch service", e);
+ }
try {
Files.delete(jshLinkedDir);
} catch (IOException e) {
- log.error("Cannot remove " + jshLinkedDir);
+ log.error("Cannot remove " + jshLinkedDir, e);
+ }
+ try {
+ FsUtils.delete(jshBase);
+ } catch (IOException e) {
+ log.error("Cannot remove " + jshBase, e);
}
try {
Files.delete(jtermLinkedDir);
} catch (IOException e) {
- log.error("Cannot remove " + jtermLinkedDir);
+ log.error("Cannot remove " + jtermLinkedDir, e);
+ }
+ try {
+ FsUtils.delete(jtermBase);
+ } catch (IOException e) {
+ log.error("Cannot remove " + jtermBase, e);
}
}