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These files contain the code for Lab 04

Lab04-Classes/data/books.txt

+War and Peace,Leo Tolstoy,978-0199232765,1869
+Data Structures & Problem Solving Using Java,Mark Weiss,0-321-54140-5,2011-03-10
+The Naked & The Dead,Norman Mailer,978-0312265052,1948
+Barbary Shore,Norman Mailer,0375700390,1951
+Discrete Mathematics and Its Applications,Kenneth Rosen,9780073229720,1998-12-11
+The Adventures of Tom Sawyer,Mark Twain,9780143039563,1876
+Adventures of Huckleberry Finn,Mark Twain,,1885
+American Gods,Neil Gaiman,0-380-97365-0,2002-04-30
+The Colour of Magic,Terry Pratchett,0-86140-324-X,1983
+Mort,Terry Pratchett,0-575-04171-4,1987
+The Hitchhiker's Guide to the Galaxy,Douglas Adams,978-0345391803,1979
+Dirk Gently's Holistic Detective Agency,Douglas Adams,0-671-69267-4,1987-05
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Lab04-Classes/src/unl/cse/library/Author.java

+package unl.cse.library;
+
+public class Author {
+	
+	public String firstName;   
+	public String lastName;
+
+}

Lab04-Classes/src/unl/cse/library/Book.java

+package unl.cse.library;
+
+import org.joda.time.DateTime;
+
+public class Book {
+
+    private String title;
+    private String isbn;
+    private Author author;
+    private DateTime publishDate;
+
+    /**
+     * Getter method for author
+     * @return
+     */
+    public Author getAuthor() {
+        return null;
+    }
+
+    /**
+     * Setter method for authors
+     * @param author
+     */
+    public void setAuthor(Author author) {
+        this.author = author;
+    }
+
+    /**
+     * Getter method for call number.
+     * @return
+     */
+    public String getISBN() {
+        return null;
+    }
+
+    /**
+     * Setter method for call number.
+     * @param callNumber
+     */
+    public void setISBN(String isbn) {
+        this.isbn = isbn;
+    }
+
+    /**
+     * Getter method for title
+     * @return
+     */
+    public String getTitle() {
+        return null;
+    }
+
+    /**
+     * Setter method for title
+     * @param title
+     */
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getPublishDate() {
+    	return this.publishDate.toString("YYYY");
+    }
+    
+    public void setPublishDate(String date) {
+    	this.publishDate = DateTime.parse(date);
+    }
+    
+}

Lab04-Classes/src/unl/cse/library/Library.java

+package unl.cse.library;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class Library {
+
+    private final List<Book> bookCollection;
+
+    /**
+     * Default constructor
+     */
+    public Library() {
+        this.bookCollection = new ArrayList<Book>();
+    }
+
+    public List<Book> getCollection() {
+    	return Collections.unmodifiableList(this.bookCollection);
+    }
+
+    /**
+     * Method that adds a book to the library
+     * @param newBook
+     */
+    public void addBook(Book newBook) {
+        this.bookCollection.add(newBook);
+    }
+    
+    public List<Book> titleSearch(String term) {
+    	List<Book> results = new ArrayList<Book>();
+    	for(Book b : this.bookCollection) {
+    		if(b.getTitle().toLowerCase().contains(term.toLowerCase())) {
+    			results.add(b);
+    		}
+    	}
+    	return results;
+    }
+    
+    public List<Book> authorSearch(String term) {
+    	List<Book> results = new ArrayList<Book>();
+    	for(Book b : this.bookCollection) {
+    		if(b.getAuthor().firstName.toLowerCase().contains(term.toLowerCase()) || 
+    		   b.getAuthor().lastName.toLowerCase().contains(term.toLowerCase())) {
+    			results.add(b);
+    		}
+    	}
+    	return results;
+    }
+
+    public List<Book> keywordSearch(String term) {
+    	List<Book> results = new ArrayList<Book>();
+    	for(Book b : this.bookCollection) {
+    		if(b.getAuthor().firstName.toLowerCase().contains(term.toLowerCase()) || 
+    		   b.getAuthor().lastName.toLowerCase().contains(term.toLowerCase()) ||
+    		   b.getTitle().toLowerCase().contains(term.toLowerCase()) || 
+    		   b.getISBN().toLowerCase().contains(term.toLowerCase())
+    		   ) {
+    			results.add(b);
+    		}
+    	}
+    	return results;
+    }
+
+}
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Lab04-Classes/src/unl/cse/library/LibraryDemo.java

+package unl.cse.library;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.util.List;
+import java.util.Scanner;
+
+public class LibraryDemo {
+
+	private final Library lib;
+
+    public LibraryDemo() {
+    	this.lib = new Library();
+    	loadFile();
+    }
+    
+    private void loadFile() {
+    	Scanner s = null;
+    	try {
+			s = new Scanner(new File("data/books.txt"));
+		} catch (FileNotFoundException e) {
+			e.printStackTrace();
+		}
+    	
+    	while(s.hasNext()) {
+    		String line = s.nextLine();
+    		String tokens[] = line.split(",");
+    		String title = tokens[0];
+    		String auth[] = tokens[1].split(" ");
+    		Author author = new Author();
+    		author.firstName = auth[0];
+    		author.lastName = auth[1];
+    		String isbn = tokens[2];
+    		String publishDate = tokens[3];
+    		Book b = new Book();
+    		b.setTitle(title);
+    		b.setAuthor(author);
+    		b.setISBN(isbn);
+    		b.setPublishDate(publishDate);
+    		lib.addBook(b);
+    	}
+    }
+
+    /**
+     * Method that searches for a book.
+     */
+    private void searchBookInterface() {
+        System.out.println("Please enter a Search Option:\n (1) Search By Title (2) Search By Author (3) Keyword Search");
+        Scanner scanner = new Scanner(System.in);
+        int userChoice = scanner.nextInt();
+        System.out.print("Enter your search term: ");
+        String query = scanner.next();
+        
+        switch (userChoice) {
+        	case 1:
+        		printBooks(this.lib.titleSearch(query));
+        		break;
+        	case 2: 
+        		printBooks(this.lib.authorSearch(query));
+        		break;
+        	case 3: 
+        		printBooks(this.lib.keywordSearch(query));
+        		break;
+        	default:
+        		break;
+        }
+        return;
+    }
+    
+    private void printBooks(List<Book> books) {
+
+    	System.out.print("\n");
+    	System.out.println(String.format("%-50s %-20s %-15s", "TITLE", "AUTHOR", "ISBN"));
+        for (Book b : books) {
+        	String formattedAuthor = null;
+        	if(b.getAuthor() != null)
+        		formattedAuthor = b.getAuthor().lastName + ", " + b.getAuthor().lastName;
+        	String line = String.format("%-50s %-20s %-15s", b.getTitle(), formattedAuthor, b.getISBN());
+        	System.out.println(line);
+        }
+        System.out.print("\n\n");
+    }
+
+    /**
+     * Method that adds a book.
+     */
+    private void addBookInterface() {
+        //change this function
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Please enter the details of the book you want to add to the library");
+        System.out.println("Enter the title of the book: ");
+        String title = scanner.nextLine();
+        System.out.println("Enter the first name of the author: ");
+        String firstName = scanner.nextLine();
+        System.out.println("Enter the last name of the author: ");
+        String lastName = scanner.nextLine();
+        System.out.println("Enter the ISBN of the book: ");
+        String isbn = scanner.nextLine();
+        System.out.println("Enter the publication date (YYYY-MM-DD)");
+        String publishDate = scanner.nextLine();
+        Author author = new Author();
+        author.firstName = firstName;
+        author.lastName = lastName;
+        Book b = new Book();
+		b.setTitle(title);
+		b.setAuthor(author);
+		b.setISBN(isbn);
+		b.setPublishDate(publishDate);
+        this.lib.addBook(b);
+        return;
+    }
+
+
+    /**
+     * Method that acts as the interface to the library software.
+     */
+    public void libraryInterface() {
+        int userChoice = 0;
+
+        while (userChoice != 4) {
+            System.out.println("Welcome to the Arcadia Library.");
+            System.out.print("Please enter a choice: (1) Add a book, (2) Find a book, (3) Print Collection (4) Exit:");
+            Scanner scanner = new Scanner(System.in);
+            userChoice = scanner.nextInt();
+
+            switch (userChoice) {
+                case 1:
+                    this.addBookInterface();
+                    break;
+                case 2:
+                    this.searchBookInterface();
+                    break;
+                case 3:
+                	printBooks(this.lib.getCollection());
+                    break;
+                default:
+                    break;
+            }
+
+        }//end of while
+        System.out.println("Thank You for Using Arcadia Library !");
+
+        return;
+    }
+
+    /**
+     * Main method
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        LibraryDemo demo = new LibraryDemo();
+        demo.libraryInterface();
+    }
+}
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