From 3227f329900c8d71573437fc51f0394544b39573 Mon Sep 17 00:00:00 2001
From: Lucio Lelii <lucio.lelii@isti.cnr.it>
Date: Wed, 5 Jun 2019 16:10:28 +0000
Subject: [PATCH] git-svn-id:
 https://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/Common/storagehub-client@179675
 82a268e6-3cf1-43bd-a215-b396298e98cf

---
 .../client/dsl/FolderContainer.java           |  5 +++
 .../client/proxies/DefaultItemManager.java    | 41 +++++++++++++++++--
 .../client/proxies/ItemManagerClient.java     |  2 +
 3 files changed, 45 insertions(+), 3 deletions(-)

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 75f2309..15f4499 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
@@ -4,6 +4,7 @@ import java.io.InputStream;
 import java.util.List;
 import java.util.Set;
 
+import org.gcube.common.authorization.library.AuthorizationEntry;
 import org.gcube.common.storagehub.client.proxies.ItemManagerClient;
 import org.gcube.common.storagehub.model.acls.ACL;
 import org.gcube.common.storagehub.model.acls.AccessType;
@@ -58,6 +59,10 @@ public class FolderContainer extends ItemContainer<FolderItem>{
 		return itemclient.getACL(this.itemId);
 	}
 	
+	public boolean canWrite() throws Exception {
+		return itemclient.canWriteInto(this.itemId);
+	}
+	
 	public ListResolver findByName(String namePattern) throws StorageHubException {
 		return new ListResolver((onlyType, includeHidden, excludes) -> itemclient.findChildrenByNamePattern(itemId, namePattern , excludes), itemclient);
 	}
diff --git a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
index f5fc38f..e5fbf03 100644
--- a/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
+++ b/src/main/java/org/gcube/common/storagehub/client/proxies/DefaultItemManager.java
@@ -1,8 +1,6 @@
 package org.gcube.common.storagehub.client.proxies;
 
-import java.io.IOException;
 import java.io.InputStream;
-import java.io.StreamCorruptedException;
 import java.net.URL;
 import java.util.HashMap;
 import java.util.List;
@@ -10,7 +8,6 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
 
-import javax.ws.rs.ProcessingException;
 import javax.ws.rs.client.Entity;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedHashMap;
@@ -889,6 +886,44 @@ public class DefaultItemManager implements ItemManagerClient {
 		}
 	}
 
+	
+	
+	@Override
+	public boolean canWriteInto(String id) throws StorageHubException {
+		Call<GXWebTargetAdapterRequest, Boolean> call = new Call<GXWebTargetAdapterRequest, Boolean>() {
+			@Override
+			public Boolean call(GXWebTargetAdapterRequest manager) throws Exception {
+				Objects.requireNonNull(id, "id cannot be null");
+				
+				GXWebTargetAdapterRequest myManager = manager.path(id).path("acls").path("write");
+				
+				
+				GXInboundResponse response = myManager.get();
+				
+				if (response.isErrorResponse()) {
+					if (response.hasException()) 
+						throw response.getException();
+					else 
+						throw new BackendGenericError();
+				}
+				
+				
+				return response.getSource().readEntity(Boolean.class);
+				
+
+			}
+		};
+		try {
+			return delegate.make(call);
+		}catch(StorageHubException e) {
+			throw e;
+		}catch(Exception e1) {
+			throw new RuntimeException(e1);
+		}
+	}
+	
+	
+	
 	@Override
 	public String changeACL(String id, String user, AccessType accessType) throws StorageHubException {
 		Call<GXWebTargetAdapterRequest, String> call = new Call<GXWebTargetAdapterRequest, String>() {
diff --git a/src/main/java/org/gcube/common/storagehub/client/proxies/ItemManagerClient.java b/src/main/java/org/gcube/common/storagehub/client/proxies/ItemManagerClient.java
index 1383f60..2f441d6 100644
--- a/src/main/java/org/gcube/common/storagehub/client/proxies/ItemManagerClient.java
+++ b/src/main/java/org/gcube/common/storagehub/client/proxies/ItemManagerClient.java
@@ -94,6 +94,8 @@ public interface ItemManagerClient {
 
 	void delete(String id, boolean force) throws StorageHubException;
 
+	boolean canWriteInto(String id) throws StorageHubException;
+
 	
 	
 }