Example of programmatic permissions in Liferay 6.2

permissions.java

	public  void setFilePermissions(DLFileEntry fileEntry) throws Exception{
		
		ResourceAction resourceAction = null;
		try {
			ArrayList<String> actions = actions();
			for(String action : actions) { 
				resourceAction = ResourceActionLocalServiceUtil.getResourceAction(DLFileEntry.class.getName(), action);
				setFilePermissions(fileEntry, resourceAction);
			}
		} catch (Exception e) { 
			System.out.println("ResourceActionPerms");
			//do nothing
		}
	}
	
	public  void setFilePermissions(DLFileEntry fileEntry, ResourceAction resourceAction) throws Exception{
		ResourcePermission resourcePermission = null;
		final Role guest = RoleLocalServiceUtil.getRole(fileEntry.getCompanyId(), RoleConstants.GUEST);
		
		try {

			ResourcePermissionLocalServiceUtil.addResourcePermissions(resourceAction.getName(), String.valueOf(guest.getRoleId()), ResourceConstants.SCOPE_INDIVIDUAL, resourceAction.getBitwiseValue());

		} catch (Exception e) {
			System.out.println("NoSuchResourcePermissionException");
			/*
			resourcePermission = ResourcePermissionLocalServiceUtil.createResourcePermission(CounterLocalServiceUtil.increment());
			resourcePermission.setCompanyId(fileEntry.getCompanyId());
			resourcePermission.setName(DLFileEntry.class.getName());
			resourcePermission.setScope(ResourceConstants.SCOPE_INDIVIDUAL);
			resourcePermission.setPrimKey(String.valueOf(fileEntry.getPrimaryKey()));
			resourcePermission.setRoleId(guest.getRoleId());
			resourcePermission.setActionIds(resourceAction.getBitwiseValue());// (ActionKeys.VIEW);
			ResourcePermissionLocalServiceUtil.addResourcePermission(resourcePermission);
			*/
		}


	}
	public ArrayList<String> actions() {
		ArrayList<String> list = new ArrayList<String>();
		try {
			   for (Field field : ActionKeys.class.getDeclaredFields()) {
				   	list.add((String)field.get(null));
			   }
			} catch (Exception e) {
				System.out.println("ReflectionPerms");
			}
		return list;
	}