EDIT

import java.util.List;

import java.util.stream.Collectors;

import org.openqa.selenium.By;

import org.openqa.selenium.NoSuchElementException;

import org.openqa.selenium.WebElement;

                    .findElements(By.className("openlayers-container"));

            return maps.stream().map(m -> new OpenLayersMap(m)).collect(Collectors.toList());

        } catch (NoSuchElementException e) {

            return new ArrayList<>();

        }

    }

    public WebElement getWebElement() {

        return webElement;

    }

    public String getMapId() {

        return mapId;

    }

    public String getMapName() {

        return mapName;

    }