Merge remote-tracking branch 'origin/johannes2' into julian2

# Conflicts:
#	src/main/java/de/hsel/itech/db/Database.java
This commit is contained in:
Julian Hinxlage 2019-04-23 14:16:05 +02:00
commit 15dddd5d30
20 changed files with 644 additions and 96 deletions

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@ -44,7 +44,7 @@
<property name="allowNonPrintableEscapes" value="true"/>
</module>
<module name="LineLength">
<property name="max" value="100"/>
<property name="max" value="200"/>
<property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
</module>
<module name="AvoidStarImport"/>
@ -55,13 +55,14 @@
<property name="tokens"
value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
</module>
<module name="NeedBraces"/>
<module name="NeedBraces">
<property name="tokens" value="LITERAL_DO"/>
</module>
<module name="LeftCurly"/>
<module name="RightCurly">
<property name="id" value="RightCurlySame"/>
<property name="tokens"
value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE,
LITERAL_DO"/>
value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_DO, LITERAL_IF, LITERAL_ELSE"/>
</module>
<module name="RightCurly">
<property name="id" value="RightCurlyAlone"/>

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@ -212,6 +212,10 @@
<artifactId>spotbugs-maven-plugin</artifactId>
<version>3.1.9</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
</plugin>
</plugins>
</reporting>

View File

@ -10,6 +10,8 @@ import java.io.FileNotFoundException;
import java.io.FileReader;
/**
* config object.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -25,7 +27,10 @@ public class Configuration {
private Database database;
/**
* gets Configuration object from file.
* @return {@link de.hsel.itech.config.Configuration}
*/
public static Configuration get() {
Gson gson = new Gson();

View File

@ -5,6 +5,8 @@ import lombok.Getter;
import lombok.ToString;
/**
* POJO for gson.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1

View File

@ -5,21 +5,26 @@ import de.hsel.itech.db.pojo.Author;
import de.hsel.itech.db.pojo.Book;
import de.hsel.itech.db.pojo.Category;
import de.hsel.itech.db.pojo.Publisher;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.mariadb.jdbc.MariaDbPoolDataSource;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.net.URL;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.time.Year;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
*
* base class for everything regarding the database.
*
* @author Johannes Theiner
* @version 0.1
@ -27,19 +32,34 @@ import java.util.ArrayList;
*/
public class Database {
private final String book = "book";
private final String author = "author";
private final String authorBook = "author_book";
private final String publisher = "publisher";
private final String category = "category";
private static Database instance;
/**
* Singleton for database access.
*
* @return {@link Database}
*/
public static Database getInstance() {
if(instance == null)
if (instance == null)
instance = new Database();
return instance;
}
private MariaDbPoolDataSource dataSource;
/**
* initializes connection pool and executes database setup.
*/
private Database() {
Configuration config = Configuration.get();
dataSource = new MariaDbPoolDataSource("jdbc:mysql://" + config.getDatabase().getHostname() + ":" + config.getDatabase().getPort() + "/" + config.getDatabase().getDatabase());
dataSource = new MariaDbPoolDataSource("jdbc:mysql://" + config.getDatabase().getHostname()
+ ":" + config.getDatabase().getPort() + "/" + config.getDatabase().getDatabase());
try {
dataSource.setUser(config.getDatabase().getUsername());
dataSource.setPassword(config.getDatabase().getPassword());
@ -47,7 +67,9 @@ public class Database {
Connection connection = getConnection();
assert connection != null;
try(BufferedReader br = new BufferedReader(new FileReader(getClass().getClassLoader().getResource("database.sql").getFile()))) {
URL file = getClass().getClassLoader().getResource("database.sql");
assert file != null;
try (BufferedReader br = new BufferedReader(new FileReader(file.getFile()))) {
for (String line = br.readLine(); line != null; line = br.readLine()) {
PreparedStatement statement = connection.prepareStatement(line);
statement.executeUpdate();
@ -55,8 +77,7 @@ public class Database {
}
} catch (IOException e) {
e.printStackTrace();
}
finally {
} finally {
connection.close();
}
} catch (SQLException e) {
@ -64,6 +85,11 @@ public class Database {
}
}
/**
* gets connection from connection pool.
*
* @return {@link java.sql.Connection}
*/
@Nullable
private Connection getConnection() {
try {
@ -74,6 +100,12 @@ public class Database {
return null;
}
/**
* testing method.
*
* @return String
*/
@Deprecated
public String getHello() {
Connection connection = getConnection();
@ -82,63 +114,497 @@ public class Database {
assert connection != null;
PreparedStatement statement = connection.prepareStatement("SELECT * FROM test WHERE id = 1");
ResultSet resultSet = statement.executeQuery();
resultSet.next();
hello = resultSet.getString("hello");
if (resultSet.next())
hello = resultSet.getString("hello");
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
return hello;
}
/**
* gets author by id.
*
* @param id ID from database
* @return {@link de.hsel.itech.db.pojo.Author}
*/
@Nullable
public Author getAuthor(long id) {
Map.Entry<ResultSet, Connection> entry = getResultSet(id, author);
assert entry != null;
private ArrayList<Book> books;
public void addBook(Book book){
if(books == null){
books = new ArrayList<Book>();
ResultSet rs = entry.getKey();
Author author = null;
try {
author = new Author(rs.getLong("id"), rs.getString("name"));
entry.getValue().close();
} catch (SQLException e) {
e.printStackTrace();
}
books.add(book);
return author;
}
public void removeBook(long isbn){
for(Book book : books){
if(book.getIsbn() == isbn){
books.remove(book);
break;
/**
* gets category by id.
*
* @param id ID from database
* @return {@link de.hsel.itech.db.pojo.Category}
*/
@Nullable
public Category getCategory(long id) {
Map.Entry<ResultSet, Connection> entry = getResultSet(id, category);
assert entry != null;
ResultSet rs = entry.getKey();
Category category = null;
try {
category = new Category(rs.getLong("id"), rs.getString("name"), rs.getString("image"));
entry.getValue().close();
} catch (SQLException e) {
e.printStackTrace();
}
return category;
}
/**
* gets publisher by id.
*
* @param id ID from database
* @return {@link de.hsel.itech.db.pojo.Publisher}
*/
@Nullable
public Publisher getPublisher(long id) {
Map.Entry<ResultSet, Connection> entry = getResultSet(id, publisher);
assert entry != null;
ResultSet rs = entry.getKey();
Publisher publisher = null;
try {
publisher = new Publisher(rs.getLong("id"), rs.getString("name"));
entry.getValue().close();
} catch (SQLException e) {
e.printStackTrace();
}
return publisher;
}
/**
* gets list of author ids from database.
*
* @param id book id from database
* @return {@link java.util.List}
*/
@Nullable
private List<Integer> getAuthors(long id) {
Map.Entry<List<ResultSet>, Connection> entry = getResultSets(id, authorBook, book);
assert entry != null;
try {
List<Integer> list = new ArrayList<>();
for (ResultSet rs : entry.getKey()) {
list.add(rs.getInt(author));
}
entry.getValue().close();
return list;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
public ArrayList<Book> getBooks(){
if(books == null){
books = new ArrayList<Book>();
Book book = new Book(
1234,
new Author(123123,"Julian Hinxlage"),
new Publisher(234231,"Verlag xy"),
new Category(23434,"Education", "DxAzOKSiPoE"),
"C++ for beginners", Year.of(2019),1500,"C++ book", "DxAzOKSiPoE"
);
books.add(book);
/**
* gets book by id.
*
* @param id ID from database
* @return {@link de.hsel.itech.db.pojo.Book}
*/
@Nullable
public Book getBook(long id) {
Map.Entry<ResultSet, Connection> entry = getResultSet(id, book);
assert entry != null;
book = new Book(
1235,
new Author(123123,"Julian Hinxlage"),
new Publisher(234231,"Verlag xy"),
new Category(23434,"Education", "DxAzOKSiPoE"),
"C++ for beginners vol 2", Year.of(2019),1499,"C++ book", "DxAzOKSiPoE"
);
books.add(book);
ResultSet rs = entry.getKey();
Book book = null;
try {
Category category = getCategory(rs.getLong(this.category));
Publisher publisher = getPublisher(rs.getLong(this.publisher));
List<Integer> authorIds = getAuthors(id);
assert authorIds != null;
List<Author> authors = new ArrayList<>();
for (int i : authorIds) {
Author author = getAuthor(i);
assert author != null;
authors.add(author);
}
book = new Book(rs.getLong("id"), authors, publisher, category, rs.getString("title"),
Year.of(rs.getInt("year")), rs.getInt("price"), rs.getString("description"),
rs.getString("image"));
entry.getValue().close();
} catch (SQLException e) {
e.printStackTrace();
}
return book;
}
/**
* gets all books.
*
* @return {@link java.util.List}
*/
@Nullable
public List<Book> getBooks() {
Map.Entry<List<ResultSet>, Connection> entry = getResultSets(book, "id");
assert entry != null;
List<Long> ids = new ArrayList<>();
try {
for (ResultSet resultSet : entry.getKey()) {
ids.add(resultSet.getLong("id"));
}
entry.getValue().close();
} catch (SQLException ex) {
ex.printStackTrace();
}
List<Book> books = new ArrayList<>();
for (long id : ids) {
books.add(getBook(id));
}
return books;
}
/**
* gets books by category.
*
* @param category category id
* @return {@link java.util.List}
*/
@Nullable
public List<Book> getBooks(long category) {
Connection connection = getConnection();
assert connection != null;
List<Book> books = new ArrayList<>();
try {
PreparedStatement statement = connection.prepareStatement("SELECT (id) FROM book WHERE category = ?");
statement.setLong(1, category);
ResultSet resultSet = statement.executeQuery();
while (resultSet.next()) {
books.add(getBook(resultSet.getLong("id")));
}
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
return books;
}
/**
* get books by category.
*
* @param category Category object
* @return {@link java.util.List}
*/
@Nullable
public List<Book> getBooks(@NotNull Category category) {
return getBooks(category.getId());
}
/**
* Inserts book into database.
* authors, publishers, and category have to exist.
*
* @param book Book
* @return insert count
*/
public int insert(@NotNull Book book) {
Connection connection = getConnection();
assert connection != null;
int insertCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("INSERT INTO book(title, description, "
+ "price, year, publisher, category, image) VALUES (?, ?, ?, ?, ?, ?, ?)");
statement.setString(1, book.getTitle());
statement.setString(2, book.getDescription());
statement.setInt(3, book.getPrice());
statement.setInt(4, book.getYear().getValue());
statement.setLong(5, book.getPublisher().getId());
statement.setLong(6, book.getCategory().getId());
statement.setString(7, book.getImage());
insertCount += statement.executeUpdate();
for (Author author : book.getAuthors()) {
PreparedStatement authorStatement = connection.prepareStatement("INSERT INTO author_book (author, book) VALUES (?, ?)");
statement.setLong(1, author.getId());
statement.setLong(2, book.getIsbn());
insertCount += authorStatement.executeUpdate();
}
connection.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
return insertCount;
}
/**
* inserts Category into database.
*
* @param category Category
* @return insert count
*/
public int insert(@NotNull Category category) {
Connection connection = getConnection();
assert connection != null;
int insertCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("INSERT INTO category (name, image) VALUES (?, ?)");
statement.setString(1, category.getName());
statement.setString(2, category.getImage());
insertCount += statement.executeUpdate();
connection.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
return insertCount;
}
/**
* inserts Author.
*
* @param author Author
* @return insert count
*/
public int insert(@NotNull Author author) {
Connection connection = getConnection();
assert connection != null;
int insertCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("INSERT INTO author (name) VALUES (?)");
statement.setString(1, author.getName());
insertCount += statement.executeUpdate();
connection.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
return insertCount;
}
/**
* inserts Publisher.
*
* @param publisher Publisher
* @return insert count
*/
public int insert(@NotNull Publisher publisher) {
Connection connection = getConnection();
assert connection != null;
int insertCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("INSERT INTO publisher (name) VALUES (?)");
statement.setString(1, publisher.getName());
insertCount += statement.executeUpdate();
connection.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
return insertCount;
}
/**
* deletes book from database.
*
* @param id book id
* @return deletion count
*/
public int deleteBook(long id) {
int deleteCount = 0;
try {
Connection connection = getConnection();
assert connection != null;
PreparedStatement statement = connection.prepareStatement("DELETE FROM author_book WHERE book = ?");
statement.setLong(1, id);
deleteCount = +statement.executeUpdate();
connection.close();
} catch (SQLException ex) {
ex.printStackTrace();
}
deleteCount += delete(id, book);
return deleteCount;
}
/**
* deletes author from database.
*
* @param id author id
* @return deletion count
*/
public int deleteAuthor(long id) {
return delete(id, author);
}
/**
* deletes publisher from database.
*
* @param id publisher id
* @return deletion count
*/
public int deletePublisher(long id) {
return delete(id, publisher);
}
/**
* deletes category from database.
*
* @param id category count
* @return deletion count
*/
public int deleteCategory(long id) {
return delete(id, category);
}
/**
* deletes id from table.
*
* @param id database id
* @param table table name
* @return deletion count
*/
private int delete(long id, String table) {
Connection connection = getConnection();
assert connection != null;
int deleteCount = 0;
try {
PreparedStatement statement = connection.prepareStatement("DELETE FROM ? WHERE id=?");
statement.setString(1, table);
statement.setLong(2, id);
deleteCount = +statement.executeUpdate();
} catch (SQLException ex) {
ex.printStackTrace();
}
return deleteCount;
}
/**
* gets specific entry from database.
*
* @param id id from database
* @param table table name
* @return {@link java.util.Map.Entry}
*/
@Nullable
private Map.Entry<ResultSet, Connection> getResultSet(long id, String table) {
Connection connection = getConnection();
try {
assert connection != null;
PreparedStatement statement = connection.prepareStatement("SELECT * FROM ? WHERE ID = ?");
statement.setString(1, table);
statement.setLong(2, id);
ResultSet resultSet = statement.executeQuery();
if (resultSet.next()) {
return new AbstractMap.SimpleEntry<>(resultSet, connection);
}
return null;
} catch (SQLException ex) {
ex.printStackTrace();
}
return null;
}
/**
* gets specific entries from table.
*
* @param id id all entries should reference
* @param table table name
* @param column column to match
* @return {@link java.util.Map.Entry}
*/
@Nullable
private Map.Entry<List<ResultSet>, Connection> getResultSets(long id, @NotNull String table, @NotNull String column) {
Connection connection = getConnection();
try {
assert connection != null;
PreparedStatement statement = connection.prepareStatement("SELECT * FROM ? WHERE ? = ?");
statement.setString(1, table);
statement.setString(2, column);
statement.setLong(3, id);
return getAllEntries(connection, statement);
} catch (SQLException ex) {
ex.printStackTrace();
}
return null;
}
/**
* gets all specified columns from table.
*
* @param table table name
* @param columns columns as String array
* @return {@link java.util.Map.Entry}
*/
@Nullable
private Map.Entry<List<ResultSet>, Connection> getResultSets(@NotNull String table, @NotNull String... columns) {
Connection connection = getConnection();
try {
assert connection != null;
PreparedStatement statement = connection.prepareStatement("SELECT (?) FROM ?");
statement.setString(1, String.join(",", columns));
statement.setString(2, table);
return getAllEntries(connection, statement);
} catch (SQLException ex) {
ex.printStackTrace();
}
return null;
}
/**
* gets all entries contained in result set.
*
* @param connection Connection
* @param statement query statement
* @return {@link java.util.Map.Entry}
*/
@Nullable
private Map.Entry<List<ResultSet>, Connection> getAllEntries(@NotNull Connection connection, @NotNull PreparedStatement statement) {
try {
ResultSet resultSet = statement.executeQuery();
Map.Entry<List<ResultSet>, Connection> entry = new AbstractMap.SimpleEntry<>(new ArrayList<>(), connection);
while (resultSet.next()) {
entry.getKey().add(resultSet);
}
return entry;
} catch (SQLException ex) {
ex.printStackTrace();
}
return null;
}
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Address.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,13 +15,14 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Address {
private Customer customer;
@NonNull private Customer customer;
private long id;
private String name;
private String street;
private String number;
private int zipCode;
private String city;
@NonNull private String name;
@NonNull private String street;
@NonNull private String number;
@NonNull private int zipCode;
@NonNull private String city;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Author.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,9 +15,10 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Author {
private long id;
private String name;
@NonNull private String name;
}

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@ -2,10 +2,15 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.time.Year;
import java.util.List;
/**
* POJO for Book.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -13,21 +18,22 @@ import java.time.Year;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Book {
private int isbn;
private Author author;
private Publisher publisher;
private Category category;
private String title;
private Year year;
private long isbn;
@NonNull private List<Author> authors;
@NonNull private Publisher publisher;
@NonNull private Category category;
@NonNull private String title;
@NonNull private Year year;
/**
* saved in cents
* saved in cents.
*/
private int price;
private String description;
private String image;
@NonNull private int price;
@NonNull private String description;
@NonNull private String image;

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Category.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,9 +15,10 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Category {
private int id;
private String name;
private String image;
private long id;
@NonNull private String name;
@NonNull private String image;
}

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@ -2,10 +2,14 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.time.LocalDate;
/**
* POJO for CreditCard Payment.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -13,12 +17,13 @@ import java.time.LocalDate;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class CreditCardPayment {
private long id;
private Customer customer;
private int number;
private String owner;
private LocalDate expiration;
private int checksum;
@NonNull private Customer customer;
@NonNull private int number;
@NonNull private String owner;
@NonNull private LocalDate expiration;
@NonNull private int checksum;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Customer.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,11 +15,12 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Customer {
private long id;
private String email;
private String name;
private String password;
private boolean admin;
@NonNull private String email;
@NonNull private String name;
@NonNull private String password;
@NonNull private boolean admin;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for DebitCard Payment.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,11 +15,12 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class DebitCardPayment {
private long id;
private Customer customer;
private String iban;
private String bic;
private String owner;
@NonNull private Customer customer;
@NonNull private String iban;
@NonNull private String bic;
@NonNull private String owner;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Invoice Payment.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,8 +15,9 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class InvoicePayment {
private long id;
private Customer customer;
@NonNull private Customer customer;
}

View File

@ -2,11 +2,15 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import java.time.LocalDateTime;
/**
* POJO for Orders.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -14,16 +18,17 @@ import java.time.LocalDateTime;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Order {
private long id;
private LocalDateTime date;
private Book book;
@NonNull private LocalDateTime date;
@NonNull private Book book;
/**
* price in cents
* price in cents.
*/
private int price;
private PaymentType paymentType;
private Address address;
@NonNull private int price;
@NonNull private PaymentType paymentType;
@NonNull private Address address;
}

View File

@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for PayPal Payment.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,10 +15,11 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class PayPalPayment {
private long id;
private Customer customer;
private String email;
private String authCode;
@NonNull private Customer customer;
@NonNull private String email;
@NonNull private String authCode;
}

View File

@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for PaymentType.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,8 +15,9 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class PaymentType {
private long id;
private String name;
@NonNull private String name;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Publisher.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,8 +15,9 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class Publisher {
private long id;
private String name;
@NonNull private String name;
}

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@ -2,8 +2,12 @@ package de.hsel.itech.db.pojo;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
/**
* POJO for Shopping Cart.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
@ -11,10 +15,11 @@ import lombok.Data;
@Data
@AllArgsConstructor
@RequiredArgsConstructor
public class ShoppingCart {
private long id;
private Customer customer;
private Book article;
private int count;
@NonNull private Customer customer;
@NonNull private Book article;
@NonNull private int count;
}

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@ -1,5 +1,7 @@
package de.hsel.itech.servlet;
import de.hsel.itech.db.Database;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@ -7,11 +9,13 @@ import java.io.IOException;
import java.io.PrintWriter;
/**
* Database test.
*
* @author Johannes Theiner
* @version 0.1
* @since 0.1
**/
public class Database extends HttpServlet {
public class DbTest extends HttpServlet {
private static final long serialVersionUID = 15679036734L;
@ -33,7 +37,7 @@ public class Database extends HttpServlet {
out.println("<title>Hallo Welt!</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>" + de.hsel.itech.db.Database.getInstance().getHello() + "</h1>");
out.println("<h1>" + Database.getInstance().getHello() + "</h1>");
out.println("</body>");
out.println("</html>");
}

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@ -12,7 +12,7 @@
<servlet>
<servlet-name>database</servlet-name>
<servlet-class>de.hsel.itech.servlet.Database</servlet-class>
<servlet-class>de.hsel.itech.servlet.DbTest</servlet-class>
</servlet>
<servlet>