code: public void writePropertyObject(CmsRequestContext context, CmsResource resource, CmsProperty property)
      throws CmsException, CmsSecurityException {
  
          CmsDbContext dbc = m_dbContextFactory.getDbContext(context);
          try {
              checkOfflineProject(dbc);
              checkPermissions(dbc, resource, CmsPermissionSet.ACCESS_WRITE, true, CmsResourceFilter.IGNORE_EXPIRATION);
              m_driverManager.writePropertyObject(dbc, resource, property);
          } catch (Exception e) {
              dbc.report(
                  null,
                  Messages.get().container(Messages.ERR_WRITE_PROP_2, property.getName(), context.getSitePath(resource)),
                  e);
          } finally {
              dbc.clear();
          }
      }
docs: Writes a property for a specified resource.<p>
  
  @param context the current request context
  @param resource the resource to write the property for
  @param property the property to write
  
  @throws CmsException if something goes wrong
  @throws CmsSecurityException if the user has insufficient permission for the given resource ({@link CmsPermissionSet#ACCESS_WRITE} required)
  
  @see CmsObject#writePropertyObject(String, CmsProperty)
  @see org.opencms.file.types.I_CmsResourceType#writePropertyObject(CmsObject, CmsSecurityManager, CmsResource, CmsProperty)