Remove user from a group

src/main/java/sample/controller/LdapUserController.java

@@ -144,4 +144,34 @@ public User addMemberToGroup(@RequestParam(value="group") String group,
 		return user;
 	}
 
+	@RequestMapping("/test/deletegroup")
+	@ResponseBody
+	public User removeMemberFromGroup(@RequestParam(value="group") String group,
+			@RequestParam(value="uid", defaultValue="test.001") String uid) {
+		log.info("Testing user add to group");
+
+		User user = null;
+		try {
+			User _user = new User(uid);
+			user = ldapUserService.findUser(_user);
+		} catch (NameNotFoundException e) {
+			log.error("User not found!!!");
+			log.error("ERROR", e);
+		} catch (Exception e) {
+			log.error("Something unknown happened >>> " + e.getClass().getName());
+			log.error("ERROR", e);
+		}
+
+		try {
+			ldapGroupService.removeMemberFromGroup(group, user);
+		} catch (NameNotFoundException e) {
+			log.error("Group not found!!!");
+			log.error("ERROR", e);
+		} catch (Exception e) {
+			log.error("Something unknown happened >>> " + e.getClass().getName());
+			log.error("ERROR", e);
+		}
+		return user;
+	}
+
 }

src/main/java/sample/domain/LdapGroupDao.java

@@ -4,4 +4,6 @@ public interface LdapGroupDao {
 
 	public void addMemberToGroup(String groupName, User user);
 
+	public void removeMemberFromGroup(String groupName, User user);
+
 }

src/main/java/sample/domain/LdapGroupDaoImpl.java

@@ -50,6 +50,15 @@ public void addMemberToGroup(String groupName, User user) {
 		ctx.addAttributeValue("uniqueMember", userDn);
 		ldapTemplate.modifyAttributes(ctx);		
 	}
+
+	public void removeMemberFromGroup(String groupName, User user) {
+		Name groupDn = buildGroupDn(groupName);
+		Name userDn = buildUserDn(user.getUid());
+
+		DirContextOperations ctx = ldapTemplate.lookupContext(groupDn);
+		ctx.removeAttributeValue("uniqueMember", userDn);
+		ldapTemplate.modifyAttributes(ctx);		
+	}
 
 
 }

src/main/java/sample/service/LdapGroupService.java

@@ -16,4 +16,8 @@ public void addMemberToGroup(String groupName, User user) {
 		ldapGroupDao.addMemberToGroup(groupName, user);
 	}
 
+	public void removeMemberFromGroup(String groupName, User user) {
+		ldapGroupDao.removeMemberFromGroup(groupName, user);
+	}
+
 }