WebSVN - WebE - Diff - Rev 34 and 35 - /trunk/src/ch/ffhs/webE/action/TermAction.java

 package ch.ffhs.webE.action;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
 import javax.servlet.http.HttpServletRequest;
 import org.apache.struts2.StrutsStatics;
 import ch.ffhs.webE.dao.TermDAOImpl;
 import ch.ffhs.webE.dao.UserDAOImpl;
 import ch.ffhs.webE.domain.ObjectEntity;
 import ch.ffhs.webE.domain.ObjectType;
 import ch.ffhs.webE.domain.Term;
 import ch.ffhs.webE.domain.User;
 import com.opensymphony.xwork2.Action;
 import com.opensymphony.xwork2.ActionContext;
 import com.opensymphony.xwork2.ActionSupport;
 import com.opensymphony.xwork2.ModelDriven;
 /**
  * Implements actions applicable to term editing
+ *
  * @author Thomas Lahn
  */
 public class TermAction extends ActionSupport implements ModelDriven<Term>
+{
   private static final long serialVersionUID = 1L;
   private Term term = new Term();
   private List<Term> termList = new ArrayList<Term>();
   private final TermDAOImpl termDAO = new TermDAOImpl();
   private final UserDAOImpl userDAO = new UserDAOImpl();
   /**
    * Session object
    */
   Map<String, Object> session = ActionContext.getContext().getSession();
+  /**
+   * @var <code>true</code> if the term is edited/renamed, <code>false</code>
+   *      otherwise
+   */
+  public boolean edit = false;
+  /**
+   * @var <code>true</code> if a term was added, <code>false</code> otherwise
+   */
+  public boolean added = false;
   private final HttpServletRequest request = (HttpServletRequest) ActionContext
       .getContext().get(StrutsStatics.HTTP_REQUEST);
+  /**
+   * The term that was just saved (added, renamed)
+   */
+  public Term savedTerm;
   /*
    * (non-Javadoc)
+   *
    * @see com.opensymphony.xwork2.ModelDriven#getModel()
    */
   public Term getModel()
+  {
     return this.term;
+  }
   /**
+   * DB query for term list
+   *
+   * @return SUCCESS
+   */
+  public String list()
+  {
+    this.termList = this.termDAO.getTerms();
+    return Action.SUCCESS;
+  }
+  /**
    * Executes the DB query to save the user
+   *
    * @return {@link Action#SUCCESS}
    */
   public String save()
+  {
+    User user = this.userDAO.searchUsername((String) this.session
+        .get("username"));
-    if (!"1".equals(this.request.getParameter("edit")))
+    if ("false".equals(this.request.getParameter("edit")))
+    {
-      User user = this.userDAO.searchUsername((String) this.session
-          .get("username"));
+      /* Add a new term */
       ObjectEntity obj = new ObjectEntity(user,
           new ObjectType(ObjectType.TERM), user, null, new Date(), false,
           this.term, null, null);
       this.term.setObject(obj);
+      this.added = true;
+    }
+    this.edit = false;
+    String result = Action.SUCCESS;
-    if (this.termDAO.saveOrUpdate(this.term))
+    if (!this.termDAO.saveOrUpdate(this.term))
+    {
-      return Action.SUCCESS;
+      result = Action.ERROR;
+    }
-    return Action.ERROR;
+    this.savedTerm = this.term;
-  }
+    this.term = null;
-  /**
-   * DB query for term list
-   *
-   * @return SUCCESS
-   */
-  public String list()
+    this.list();
-  {
-    this.termList = this.termDAO.getTerms();
-    return Action.SUCCESS;
+    return result;
+  }
   /**
    * @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR}
    *         otherwise
    */
   public String edit()
+  {
     int id = this.getIdParameter();
+    String result = Action.ERROR;
     if (id > 0)
+    {
       this.term = this.termDAO.getTermById(id);
       if (this.term != null)
+      {
-        this.term.edit = true;
+        this.edit = true;
-        return Action.SUCCESS;
+        result = Action.SUCCESS;
+      }
+    }
-    return Action.ERROR;
-  }
-  /**
-   * Gets the ID Parameter for update / delete requests
-   *
-   * @return int from the ID request. If not set or wrong, it gives back -1
-   */
-  private int getIdParameter()
-  {
-    int id = -1;
+    this.list();
-    try
-    {
-      id = Integer.parseInt(this.request.getParameter("id")); //$NON-NLS-1$
-    }
-    catch (Exception e)
-    {
-      /* TODO: Logging - wrong parameter set */
-    }
-    return id;
+    return result;
+  }
   /**
-   * deletes a user, gets the ID from the "id" parameter that was submitted with
+   * deletes a term, gets the ID from the "id" parameter that was submitted with
    * the HTTP request
+   *
    * @return String - either SUCCESS or ERROR constant
    */
   public String delete()
+  {
     int id = this.getIdParameter();
     /* Check for malicious ID values */
+    String result = Action.SUCCESS;
     if (id > 0)
+    {
       this.termDAO.deleteTerm(id);
-      return Action.SUCCESS;
+    }
     else
+    {
-      return Action.ERROR;
+      result = Action.ERROR;
+    }
+    this.list();
+    return result;
+  }
-  /*
+  /**
-   * Standard getters and setters
+   * Gets the ID Parameter for update / delete requests
+   *
+   * @return int from the ID request. If not set or wrong, it gives back -1
    */
+  private int getIdParameter()
+  {
+    int id = -1;
+    try
+    {
+      id = Integer.parseInt(this.request.getParameter("id")); //$NON-NLS-1$
+    }
+    catch (Exception e)
+    {
+      /* TODO: Logging - wrong parameter set */
+    }
+    return id;
+  }
+  /* Standard getters and setters */
   /**
    * @return The term edited with this instance
    */
   public Term getTerm()
+  {
     return this.term;
+  }
   /**
    * @param term
    *          The term edited with this instance
    */
   public void setTerm(Term term)
+  {
     this.term = term;
+  }
   /**
    * @return The list of terms edited with this instance
    */
   public List<Term> getTermList()
+  {
     return this.termList;
+  }
   /**
    * @param termList
    *          The list of terms edited with this instance
    */
   public void setTermList(List<Term> termList)
+  {
     this.termList = termList;
+  }
+}

Subversion Repositories WebE

(root)/trunk/src/ch/ffhs/webE/action/TermAction.java - Rev 34 → 35