/**
   * Method updates existing Spring bean definitions in a XML application context file. Bean
   * definition is identified by its type defining class.
   *
   * @param project
   * @param type
   * @param jaxbElement
   */
  public void updateBeanDefinitions(
      File configFile, Project project, Class<?> type, Object jaxbElement) {
    Source xsltSource;
    Source xmlSource;
    try {
      xsltSource =
          new StreamSource(
              new ClassPathResource("transform/update-bean-type.xsl").getInputStream());
      xsltSource.setSystemId("update-bean");

      List<File> configFiles = new ArrayList<>();
      configFiles.add(configFile);
      configFiles.addAll(getConfigImports(configFile, project));

      LSParser parser = XMLUtils.createLSParser();
      GetSpringBeansFilter getBeanFilter = new GetSpringBeansFilter(type, null);
      parser.setFilter(getBeanFilter);

      for (File file : configFiles) {
        parser.parseURI(file.toURI().toString());
        if (!CollectionUtils.isEmpty(getBeanFilter.getBeanDefinitions())) {
          xmlSource = new StringSource(FileUtils.readToString(new FileInputStream(file)));

          String beanElement = type.getAnnotation(XmlRootElement.class).name();
          String beanNamespace = type.getPackage().getAnnotation(XmlSchema.class).namespace();

          // create transformer
          Transformer transformer = transformerFactory.newTransformer(xsltSource);
          transformer.setParameter("bean_element", beanElement);
          transformer.setParameter("bean_namespace", beanNamespace);
          transformer.setParameter(
              "bean_content",
              getXmlContent(jaxbElement)
                  .replaceAll("(?m)^(\\s<)", getTabs(1, project.getSettings().getTabSize()) + "$1")
                  .replaceAll("(?m)^(</)", getTabs(1, project.getSettings().getTabSize()) + "$1"));

          // transform
          StringResult result = new StringResult();
          transformer.transform(xmlSource, result);
          FileUtils.writeToFile(
              format(result.toString(), project.getSettings().getTabSize()), file);
          return;
        }
      }
    } catch (IOException e) {
      throw new ApplicationRuntimeException(UNABLE_TO_READ_TRANSFORMATION_SOURCE, e);
    } catch (TransformerException e) {
      throw new ApplicationRuntimeException(FAILED_TO_UPDATE_BEAN_DEFINITION, e);
    }
  }
  /**
   * Reads file import locations from Spring bean application context.
   *
   * @param project
   * @return
   */
  public List<File> getConfigImports(File configFile, Project project) {
    LSParser parser = XMLUtils.createLSParser();

    GetSpringImportsFilter filter = new GetSpringImportsFilter(configFile);
    parser.setFilter(filter);
    parser.parseURI(configFile.toURI().toString());

    return filter.getImportedFiles();
  }
  /**
   * Finds bean definition element by id and type in Spring application context and performs
   * unmarshalling in order to return JaxB object.
   *
   * @param project
   * @param id
   * @param type
   * @return
   */
  public <T> T getBeanDefinition(File configFile, Project project, String id, Class<T> type) {
    LSParser parser = XMLUtils.createLSParser();

    GetSpringBeanFilter filter = new GetSpringBeanFilter(id, type);
    parser.setFilter(filter);

    List<File> configFiles = new ArrayList<>();
    configFiles.add(configFile);
    configFiles.addAll(getConfigImports(configFile, project));

    for (File file : configFiles) {
      parser.parseURI(file.toURI().toString());

      if (filter.getBeanDefinition() != null) {
        return createJaxbObjectFromElement(filter.getBeanDefinition());
      }
    }

    return null;
  }
  /**
   * Finds all bean definition elements by type and attribute values in Spring application context
   * and performs unmarshalling in order to return a list of JaxB object.
   *
   * @param project
   * @param type
   * @param attributes
   * @return
   */
  public <T> List<T> getBeanDefinitions(
      File configFile, Project project, Class<T> type, Map<String, String> attributes) {
    List<T> beanDefinitions = new ArrayList<T>();

    List<File> importedFiles = getConfigImports(configFile, project);
    for (File importLocation : importedFiles) {
      beanDefinitions.addAll(getBeanDefinitions(importLocation, project, type, attributes));
    }

    LSParser parser = XMLUtils.createLSParser();

    GetSpringBeansFilter filter = new GetSpringBeansFilter(type, attributes);
    parser.setFilter(filter);
    parser.parseURI(configFile.toURI().toString());

    for (Element element : filter.getBeanDefinitions()) {
      beanDefinitions.add(createJaxbObjectFromElement(element));
    }

    return beanDefinitions;
  }