java-arch-4.java

public class SomeClass {
  public List<Book> findSpecificBookInFile(String bookName, String filePath) {

      /////////////////////////////
      //  Parsing the XML file  ///
      /////////////////////////////
      ParseType xmlType = new ParseType(Parsing.Type.XML, Parsing.Xml.ExtraColumn);
      ParseFileFactory xmlFileFactory = new ParseFileFactory(xmlType);

      ParseFile<Parsing.Type.XML> xmlFile = xmlFileFactory.open(filePath);

      RootType bookType = new TypeToken<Book>() {}.getType();

      List<Book> fromFile;
      try {
          fromFile = xmlFile.parseList(bookType, 0);
      } catch (IOException e) {
          // do things
      }


      /////////////////
      //  Find book ///
      /////////////////
      return fromFile.stream()
                .filter(book -> bookName.equals(book.title()))
                .findFirst()
                .orElse(Book.NULL);
  }
}