Add resetAccess(String) in ArangoDatabase & ArangoCollection

Author: mpv1989

ChangeLog

@@ -2,6 +2,8 @@ v4.2.2 (xxxx-xx-xx)
 ---------------------------
 * added ArangoDatabase.grantAccess(String, Permissions)
 * added ArangoCollection.grantAccess(String, Permissions)
+* added ArangoDatabase.resetAccess(String)
+* added ArangoCollection.resetAccess(String)
 * added ArangoCollection.getDocuments(Collection<String>, Class)
 
 v4.2.1 (2017-06-20)

src/main/java/com/arangodb/ArangoCollection.java

@@ -842,4 +842,33 @@ public void grantAccess(final String user, final Permissions permissions) throws
 		executor.execute(grantAccessRequest(user, permissions), Void.class);
 	}
 
+	/**
+	 * Revokes access to the collection for user user. You need permission to the _system database in order to execute
+	 * this call.
+	 * 
+	 * @see <a href=
+	 *      "https://docs.arangodb.com/current/HTTP/UserManagement/index.html#grant-or-revoke-collection-access"> API
+	 *      Documentation</a>
+	 * @param user
+	 *            The name of the user
+	 * @throws ArangoDBException
+	 */
+	public void revokeAccess(final String user) throws ArangoDBException {
+		executor.execute(grantAccessRequest(user, Permissions.NONE), Void.class);
+	}
+
+	/**
+	 * Clear the collection access level, revert back to the default access level.
+	 * 
+	 * @see <a href=
+	 *      "https://docs.arangodb.com/current/HTTP/UserManagement/index.html#grant-or-revoke-collection-access"> API
+	 *      Documentation</a>
+	 * @param user
+	 *            The name of the user
+	 * @throws ArangoDBException
+	 */
+	public void resetAccess(final String user) throws ArangoDBException {
+		executor.execute(resetAccessRequest(user), Void.class);
+	}
+
 }

src/main/java/com/arangodb/ArangoDatabase.java

@@ -258,6 +258,19 @@ public void revokeAccess(final String user) throws ArangoDBException {
 		executor.execute(grantAccessRequest(user, Permissions.NONE), Void.class);
 	}
 
+	/**
+	 * Clear the database access level, revert back to the default access level.
+	 * 
+	 * @see <a href= "https://docs.arangodb.com/current/HTTP/UserManagement/index.html#grant-or-revoke-database-access">
+	 *      API Documentation</a>
+	 * @param user
+	 *            The name of the user
+	 * @throws ArangoDBException
+	 */
+	public void resetAccess(final String user) throws ArangoDBException {
+		executor.execute(resetAccessRequest(user), Void.class);
+	}
+
 	/**
 	 * Create a cursor and return the first results
 	 * 

src/main/java/com/arangodb/internal/InternalArangoCollection.java

@@ -688,4 +688,9 @@ protected Request grantAccessRequest(final String user, final Permissions permis
 						.setBody(
 							util().serialize(OptionsBuilder.build(new UserAccessOptions(), permissions.toString())));
 	}
+
+	protected Request resetAccessRequest(final String user) {
+		return new Request(ArangoDBConstants.SYSTEM, RequestType.DELETE, executor
+				.createPath(ArangoDBConstants.PATH_API_USER, user, ArangoDBConstants.DATABASE, db.name(), name));
+	}
 }

src/main/java/com/arangodb/internal/InternalArangoDatabase.java

@@ -138,6 +138,11 @@ protected Request grantAccessRequest(final String user, final Permissions permis
 					util().serialize(OptionsBuilder.build(new UserAccessOptions(), permissions.toString())));
 	}
 
+	protected Request resetAccessRequest(final String user) {
+		return new Request(ArangoDBConstants.SYSTEM, RequestType.DELETE,
+				executor.createPath(ArangoDBConstants.PATH_API_USER, user, ArangoDBConstants.DATABASE, name));
+	}
+
 	protected Request queryRequest(
 		final String query,
 		final Map<String, Object> bindVars,

src/test/java/com/arangodb/ArangoCollectionTest.java

@@ -1884,4 +1884,19 @@ public void revokeAccessUserNotFound() {
 		db.collection(COLLECTION_NAME).grantAccess("user1", Permissions.NONE);
 	}
 
+	@Test
+	public void resetAccess() {
+		try {
+			arangoDB.createUser("user1", "1234", null);
+			db.collection(COLLECTION_NAME).resetAccess("user1");
+		} finally {
+			arangoDB.deleteUser("user1");
+		}
+	}
+
+	@Test(expected = ArangoDBException.class)
+	public void resetAccessUserNotFound() {
+		db.collection(COLLECTION_NAME).resetAccess("user1");
+	}
+
 }

src/test/java/com/arangodb/ArangoDatabaseTest.java

@@ -363,6 +363,21 @@ public void revokeAccessUserNotFound() {
 		db.revokeAccess("user1");
 	}
 
+	@Test
+	public void resetAccess() {
+		try {
+			arangoDB.createUser("user1", "1234", null);
+			db.resetAccess("user1");
+		} finally {
+			arangoDB.deleteUser("user1");
+		}
+	}
+
+	@Test(expected = ArangoDBException.class)
+	public void resetAccessUserNotFound() {
+		db.resetAccess("user1");
+	}
+
 	@Test
 	public void query() {
 		try {