From 20f9a166a097e0c17be22490b048b42320e2e333 Mon Sep 17 00:00:00 2001
From: Szymon Szukalski <szymon.szukalski@gmail.com>
Date: Wed, 3 Oct 2012 11:10:17 +1000
Subject: Added FileSystem view support logging

---
 src/main/java/io/skas/melbjvm/nio2/App.java                 |  9 ++++++++-
 .../java/io/skas/melbjvm/nio2/Nio2MetaDataLoggingUtils.java | 13 +++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

(limited to 'src/main/java/io/skas')

diff --git a/src/main/java/io/skas/melbjvm/nio2/App.java b/src/main/java/io/skas/melbjvm/nio2/App.java
index f6b986a..597d610 100644
--- a/src/main/java/io/skas/melbjvm/nio2/App.java
+++ b/src/main/java/io/skas/melbjvm/nio2/App.java
@@ -18,10 +18,17 @@ public class App {
 
     public static void main(String[] args) throws IOException {
 
-        final Path path = Paths.get("/tmp", "monkeys");
+        final Path path;
+
+        if (args.length > 0) {
+            path = Paths.get(args[0]);
+        } else {
+            path = Paths.get(System.getProperty("java.io.tmpdir"));
+        }
 
         if (Files.exists(path, LinkOption.NOFOLLOW_LINKS)) {
 
+            Nio2MetaDataLoggingUtils.logSupportedViews(path);
             Nio2MetaDataLoggingUtils.logFileStoreAttributes(path);
             Nio2MetaDataLoggingUtils.logBasicFileAttributes(path);
             Nio2MetaDataLoggingUtils.logDosFileAttributes(path);
diff --git a/src/main/java/io/skas/melbjvm/nio2/Nio2MetaDataLoggingUtils.java b/src/main/java/io/skas/melbjvm/nio2/Nio2MetaDataLoggingUtils.java
index 0133574..d0a095b 100644
--- a/src/main/java/io/skas/melbjvm/nio2/Nio2MetaDataLoggingUtils.java
+++ b/src/main/java/io/skas/melbjvm/nio2/Nio2MetaDataLoggingUtils.java
@@ -5,11 +5,14 @@ import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
 import java.nio.file.FileStore;
+import java.nio.file.FileSystem;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.attribute.*;
 import java.util.Set;
 
+import static com.sun.deploy.util.StringUtils.join;
+
 /**
  * @author Szymon Szukalski [szymon.szukalski@gmail.com]
  */
@@ -24,6 +27,16 @@ public class Nio2MetaDataLoggingUtils {
     public static final String DOS_VIEW = "dos";
     public static final String POSIX_VIEW = "posix";
 
+    public static void logSupportedViews(Path path) {
+
+        final FileSystem fileSystem = path.getFileSystem();
+        final Set<String> supportedViews = fileSystem.supportedFileAttributeViews();
+
+        LOG.info("File Attribute Views supported by the FileSystem that created {}", path);
+        LOG.info("  {}", join(supportedViews, ", "));
+
+    }
+
     public static void logBasicFileAttributes(Path path) throws IOException {
 
         final FileStore fileStore = Files.getFileStore(path);
-- 
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