Add initial files

1 files changed, 83 insertions, 0 deletions

diff --git a/src/beans/CategoryManager.java b/src/beans/CategoryManager.java
new file mode 100644
index 0000000..7b96d2f
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+++ b/src/beans/CategoryManager.java
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+/*
+ * $RCSFile$
+ *
+ * Created on 08.03.2007
+ * for Project: 
+ * by steins
+ *
+ * (C) 2005-2006 by 
+ */
+package beans;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Map;
+
+import javax.faces.context.FacesContext;
+import javax.persistence.EntityManager;
+import javax.persistence.EntityManagerFactory;
+import javax.persistence.EntityTransaction;
+import javax.persistence.Persistence;
+
+import jpa.Category;
+
+public class CategoryManager
+{
+   private Category current;
+
+   public Category getCurrent()
+   {
+      return current;
+   }
+
+   public void setCurrent(Category current)
+   {
+      this.current = current;
+   }
+
+   public Collection getCategories()
+   {
+      EntityManagerFactory factory = Persistence
+            .createEntityManagerFactory("catalog");
+      EntityManager manager = factory.createEntityManager();
+      return manager.createQuery("SELECT c FROM Category c ").getResultList();
+   }
+
+   public void select(javax.faces.event.ActionEvent actionEvent)
+   {
+      FacesContext facesContext = FacesContext.getCurrentInstance();
+      Map params = facesContext.getExternalContext().getRequestParameterMap();
+      Integer selectedId = Integer.valueOf((String) params.get("selectedId"));
+//      System.out.println(selectedId);
+
+      EntityManagerFactory factory = Persistence
+            .createEntityManagerFactory("catalog");
+      EntityManager manager = factory.createEntityManager();
+
+      EntityTransaction tx = manager.getTransaction();
+      tx.begin();
+      try
+      {
+         current = manager.find(Category.class, selectedId);
+//         System.out.println(current.getName());
+         tx.commit();
+      }
+      catch (Exception ex)
+      {
+         ex.printStackTrace(System.err);
+         tx.rollback();
+      }
+
+      FacesContext context = FacesContext.getCurrentInstance();
+      try
+      {
+         context.getExternalContext().redirect("products.jsf");
+      }
+      catch (IOException e)
+      {
+         // TODO Auto-generated catch block
+         e.printStackTrace();
+      }
+      context.responseComplete();
+   }
+}