Enable more filesystem integration tests

Other tests will require Java 7 xattr support.

apis/filesystem/src/main/java/org/jclouds/filesystem/strategy/internal/FilesystemStorageStrategyImpl.java

@@ -121,13 +121,17 @@ public class FilesystemStorageStrategyImpl implements LocalStorageStrategy {
    @Override
    public void clearContainer(String container, ListContainerOptions options) {
       filesystemContainerNameValidator.validate(container);
-      // TODO implement options
+      if (options.getDir() != null) {
+         container += denormalize("/" + options.getDir());
+      }
       try {
          File containerFile = openFolder(container);
          File[] children = containerFile.listFiles();
          if (null != children) {
             for (File child : children)
-               Utils.deleteRecursively(child);
+               if (options.isRecursive() || child.isFile()) {
+                  Utils.deleteRecursively(child);
+               }
          }
       } catch (IOException e) {
          logger.error(e, "An error occurred while clearing container %s", container);

apis/filesystem/src/test/java/org/jclouds/filesystem/integration/FilesystemBlobIntegrationTest.java

@@ -60,21 +60,16 @@ public class FilesystemBlobIntegrationTest extends BaseBlobIntegrationTest {
 
    @Override
    public void testCreateBlobWithExpiry() throws InterruptedException {
-      throw new SkipException("not yet implemented");
+      throw new SkipException("requires Java 7 xattr support");
    }
 
    @Override
    public void testGetIfModifiedSince() throws InterruptedException {
-      throw new SkipException("not yet implemented");
+      throw new SkipException("requires Java 7 xattr support");
    }
 
    @Override
    public void testGetIfUnmodifiedSince() throws InterruptedException {
-      throw new SkipException("not yet implemented");
+      throw new SkipException("requires Java 7 xattr support");
-   }
-
-   @Override
-   public void testPutObjectStream() throws InterruptedException, IOException, ExecutionException {
-      throw new SkipException("not yet implemented");
    }
 }

apis/filesystem/src/test/java/org/jclouds/filesystem/integration/FilesystemContainerIntegrationTest.java

@@ -82,19 +82,9 @@ public class FilesystemContainerIntegrationTest extends BaseContainerIntegration
       }
    }
 
-   @Override
-   public void testClearWhenContentsUnderPath() throws InterruptedException {
-      throw new SkipException("not yet implemented");
-   }
-
-   @Override
-   public void testDirectory() throws InterruptedException {
-      throw new SkipException("not yet implemented");
-   }
-
    @Override
    public void testWithDetails() throws InterruptedException, IOException {
-      throw new SkipException("not yet implemented");
+      throw new SkipException("requires Java 7 xattr support");
    }
 
    @Override