1 files changed, 100 insertions, 0 deletions
diff --git a/src/beans/UserManager.java b/src/beans/UserManager.java
new file mode 100644
index 0000000..9e08543
--- /dev/null
+++ b/src/beans/UserManager.java
@@ -0,0 +1,100 @@
+/*
+ * $RCSFile$
+ *
+ * Created on 06.12.2006
+ * for Project: 
+ * by steins
+ *
+ * (C) 2005-2006 by 
+ */
+package beans;
+
+import java.util.List;
+
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+import javax.persistence.Query;
+
+import jpa.User;
+import static util.DigestUtils.md5;
+
+public class UserManager {
+	private User current;
+
+	private boolean loggedIn;
+
+	public UserManager() {
+		current = new User();
+	}
+
+	public String login() {
+		String outcome = "failure";
+		if (current.getUsername() != null && current.getUsername().length() > 0
+				&& current.getPassword() != null
+				&& current.getPassword().length() > 0) {
+			EntityManagerFactory factory = Persistence
+					.createEntityManagerFactory("catalog");
+			EntityManager manager = factory.createEntityManager();
+			Query query = manager
+					.createQuery("SELECT u FROM User u where u.username = :username and u.password = :password");
+			query.setParameter("username", current.getUsername());
+			query.setParameter("password", md5(current.getPassword()));
+			List results = query.getResultList();
+
+			if (!results.isEmpty()) {
+				loggedIn = true;
+				current = (User) results.get(0);
+				outcome = "success";
+			}
+		}
+		// System.out.println(outcome);
+		return outcome;
+	}
+
+	public String logout() {
+		loggedIn = false;
+		current = new User();
+		return "home";
+	}
+
+	public void setUsername(String username) {
+		current.setUsername(username);
+	}
+
+	public String getUsername() {
+		return current.getUsername();
+	}
+
+	public void setPassword(String password) {
+		current.setPassword(password);
+	}
+
+	public String getPassword() {
+		return current.getPassword();
+	}
+
+	public boolean isLoggedIn() {
+		return loggedIn;
+	}
+
+	public User getCurrent() {
+		EntityManagerFactory factory = Persistence
+				.createEntityManagerFactory("catalog");
+		EntityManager manager = factory.createEntityManager();
+
+		EntityTransaction tx = manager.getTransaction();
+		tx.begin();
+		try {
+			current = manager.find(User.class, getUsername());
+
+			tx.commit();
+		} catch (Exception ex) {
+			ex.printStackTrace(System.err);
+			tx.rollback();
+		}
+
+		return current;
+	}
+}