diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java b/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
index 09573cc..0a53e3c 100644
--- a/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/FolderContainer.java
@@ -1,8 +1,10 @@
 package org.gcube.common.storagehub.client.dsl;
 
 import java.io.InputStream;
+import java.util.List;
 
 import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
+import org.gcube.common.storagehub.model.acls.ACL;
 import org.gcube.common.storagehub.model.items.FolderItem;
 
 public class FolderContainer extends ItemContainer<FolderItem>{
@@ -35,4 +37,8 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 		return new FolderContainer(itemclient, newFolderId);
 	}
 	
+	public List<ACL> getAcls() throws Exception {
+		return itemclient.getACL(this.itemId);
+	}
+	
 }
diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/GenericItemContainer.java b/src/main/java/org/gcube/common/storagehub/client/dsl/GenericItemContainer.java
new file mode 100644
index 0000000..5b15245
--- /dev/null
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/GenericItemContainer.java
@@ -0,0 +1,20 @@
+package org.gcube.common.storagehub.client.dsl;
+
+import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
+import org.gcube.common.storagehub.model.items.Item;
+
+public class GenericItemContainer extends ItemContainer<Item>  {
+
+	protected GenericItemContainer(ItemManagerClient itemclient, Item item) {
+		super(itemclient, item);
+	}
+	
+	protected GenericItemContainer(ItemManagerClient itemclient, String itemId) {
+		super(itemclient, itemId);
+	}
+
+	public ContainerType getType() {
+		return ContainerType.GENERIC_ITEM;
+	}
+	
+}
diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/ItemContainer.java b/src/main/java/org/gcube/common/storagehub/client/dsl/ItemContainer.java
index 26dfa33..292316e 100644
--- a/src/main/java/org/gcube/common/storagehub/client/dsl/ItemContainer.java
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/ItemContainer.java
@@ -7,7 +7,7 @@ import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
 import org.gcube.common.storagehub.model.NodeConstants;
 import org.gcube.common.storagehub.model.items.Item;
 
-public class ItemContainer<I extends Item> {
+public abstract class ItemContainer<I extends Item> {
 	
 	protected ItemManagerClient itemclient;
 	
@@ -21,6 +21,7 @@ public class ItemContainer<I extends Item> {
 	
 	protected ItemContainer(ItemManagerClient itemclient, String itemId) {
 		this.itemclient = itemclient;
+		this.itemId = itemId;
 	}
 	
 	protected void setItem(I item) {
@@ -28,9 +29,7 @@ public class ItemContainer<I extends Item> {
 		this.itemId = item.getId();
 	}
 	
-	public ContainerType getType() {
-		return ContainerType.GENERIC_ITEM;
-	}
+	public abstract ContainerType getType();
 		
 	
 	
diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/OpenResolver.java b/src/main/java/org/gcube/common/storagehub/client/dsl/OpenResolver.java
index 7333dcf..e886539 100644
--- a/src/main/java/org/gcube/common/storagehub/client/dsl/OpenResolver.java
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/OpenResolver.java
@@ -22,10 +22,12 @@ public class OpenResolver {
 	}
 	
 	public ItemContainer<Item> asItem() {
-		return new ItemContainer<Item>(itemclient, item);
+		return new GenericItemContainer(itemclient, item);
 	}
 	
 	public FileContainer asFile() {
-		return new FileContainer(itemclient, (AbstractFileItem)item);
+		if (item instanceof AbstractFileItem)
+			return new FileContainer(itemclient, (AbstractFileItem)item);
+		else throw new RuntimeException("this item is not a File");
 	}
 }
diff --git a/src/main/java/org/gcube/common/storagehub/client/dsl/Util.java b/src/main/java/org/gcube/common/storagehub/client/dsl/Util.java
index b435d29..35461c9 100644
--- a/src/main/java/org/gcube/common/storagehub/client/dsl/Util.java
+++ b/src/main/java/org/gcube/common/storagehub/client/dsl/Util.java
@@ -12,6 +12,6 @@ public class Util {
 			return new FileContainer(itemClient, (AbstractFileItem)item);
 		else if (item instanceof FolderItem)
 			return new FolderContainer(itemClient, (FolderItem)item);
-		else return new ItemContainer<Item>(itemClient, item);
+		else return new GenericItemContainer(itemClient, item);
 	}
 }
diff --git a/src/test/java/org/gcube/data/access/fs/Items.java b/src/test/java/org/gcube/data/access/fs/Items.java
index 8c4c58f..a828052 100644
--- a/src/test/java/org/gcube/data/access/fs/Items.java
+++ b/src/test/java/org/gcube/data/access/fs/Items.java
@@ -2,11 +2,19 @@ package org.gcube.data.access.fs;
 
 import java.io.File;
 import java.io.FileInputStream;
+import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.StandardCopyOption;
+import java.util.List;
 
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
 import org.gcube.common.scope.api.ScopeProvider;
+import org.gcube.common.storagehub.client.StreamDescriptor;
+import org.gcube.common.storagehub.client.dsl.ContainerType;
+import org.gcube.common.storagehub.client.dsl.FileContainer;
+import org.gcube.common.storagehub.client.dsl.ItemContainer;
 import org.gcube.common.storagehub.client.dsl.StorageHubClient;
+import org.gcube.common.storagehub.model.items.Item;
 import org.junit.BeforeClass;
 import org.junit.Test;
 
@@ -44,6 +52,34 @@ public class Items {
 		}
 	}
 	
+	@Test
+	public void downloadFile() {
+		StorageHubClient shc = new StorageHubClient();
+		
+		List<ItemContainer<? extends Item>> containers = shc.getWSRoot().list().getContainers();
+		
+		for (ItemContainer<? extends Item> container :  containers) {
+			if (container.getType()==ContainerType.FILE) {
+				FileContainer file = (FileContainer) container;
+				StreamDescriptor descr = file.download();
+				File targetFile = new File("/tmp/"+descr.getFileName());
+				 
+			    try {
+					java.nio.file.Files.copy(
+							descr.getStream(), 
+					  targetFile.toPath(), 
+					  StandardCopyOption.REPLACE_EXISTING);
+				} catch (IOException e) {
+					// TODO Auto-generated catch block
+					e.printStackTrace();
+				}
+			    System.out.println("file created "+targetFile.getAbsolutePath());
+			    break;
+			}
+		}
+		
+	}
+	
 	
 	/*