- User area: Added Add Term include and term-related classes - Clean-up: + WEB-INF/web.xml: Fixed markup + Added Hibernate3-core sources link (for Javadoc) + Removed bogus Struts2Hubernate source attachment + Changed indentation size to 2 spaces + Formatted all source code (automatically)
/trunk/src/ch/ffhs/webE/dao/TermDAO.java |
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0,0 → 1,46 |
package ch.ffhs.webE.dao; |
import java.util.List; |
import ch.ffhs.webE.domain.Term; |
/** |
* Defines methods all term DAO implementations must implement |
* |
* @author pelinux |
*/ |
public interface TermDAO |
{ |
/** |
* @return |
*/ |
List<Term> listTerm(); |
/** |
* @param termName |
* @return |
*/ |
Term searchTerm(String termName); |
/** |
* Delete a term |
* |
* @param termId |
* Term ID |
*/ |
void deleteTerm(int termId); |
/** |
* @param termId |
* @return |
*/ |
Term listTermById(int termId); |
/** |
* Executes the query to save the term |
* |
* @param term |
* Domain object to be saved |
*/ |
void saveOrUpdate(Term term); |
} |
Property changes: |
Added: svn:mime-type |
## -0,0 +1 ## |
+text/plain |
\ No newline at end of property |
Index: webE/dao/TermDAOImpl.java |
=================================================================== |
--- webE/dao/TermDAOImpl.java (nonexistent) |
+++ webE/dao/TermDAOImpl.java (revision 31) |
@@ -0,0 +1,145 @@ |
+package ch.ffhs.webE.dao; |
+ |
+import java.util.ArrayList; |
+import java.util.List; |
+ |
+import org.hibernate.Session; |
+import org.hibernate.Transaction; |
+ |
+import ch.ffhs.webE.domain.Term; |
+ |
+import com.googlecode.s2hibernate.struts2.plugin.annotations.SessionTarget; |
+import com.googlecode.s2hibernate.struts2.plugin.annotations.TransactionTarget; |
+ |
+/** |
+ * Implements the Database Access Object for terms |
+ * |
+ * @author Thomas Lahn |
+ */ |
+public class TermDAOImpl implements TermDAO |
+{ |
+ /** |
+ * Database session |
+ */ |
+ @SessionTarget |
+ Session session; |
+ |
+ /** |
+ * Database transaction |
+ */ |
+ @TransactionTarget |
+ Transaction transaction; |
+ |
+ /** |
+ * Creates a list of all terms |
+ * |
+ * @return an ArrayList with all the users - in case of a problem, an empty |
+ * list is returned |
+ */ |
+ @SuppressWarnings("unchecked") |
+ public List<Term> listTerm() |
+ { |
+ List<Term> term = null; |
+ try |
+ { |
+ term = this.session.createQuery("FROM term").list(); //$NON-NLS-1$ |
+ } |
+ catch (Exception e) |
+ { |
+ e.printStackTrace(); |
+ } |
+ |
+ /* |
+ * If no term was checked, return an empty list to mitigate null pointer |
+ * exceptions |
+ */ |
+ if (term == null) |
+ { |
+ term = new ArrayList<Term>(); |
+ } |
+ return term; |
+ } |
+ |
+ /* |
+ * (non-Javadoc) |
+ * |
+ * @see ch.ffhs.webE.dao.TermDAO#saveOrUpdate(ch.ffhs.webE.domain.Term) |
+ */ |
+ public void saveOrUpdate(Term term) |
+ { |
+ try |
+ { |
+ this.session.saveOrUpdate(term); |
+ } |
+ catch (Exception e) |
+ { |
+ this.transaction.rollback(); |
+ e.printStackTrace(); |
+ } |
+ } |
+ |
+ /* |
+ * (non-Javadoc) |
+ * |
+ * @see ch.ffhs.webE.dao.TermDAO#deleteTerm(int) |
+ */ |
+ public void deleteTerm(int termId) |
+ { |
+ try |
+ { |
+ Term user = (Term) this.session.get(Term.class, termId); |
+ this.session.delete(user); |
+ } |
+ catch (Exception e) |
+ { |
+ this.transaction.rollback(); |
+ e.printStackTrace(); |
+ } |
+ } |
+ |
+ /** |
+ * Returns a single user with this user name (used for login) |
+ * |
+ * @param termName |
+ * Term name |
+ * @return User: Returns a user object if something is found. If not, null is |
+ * returned |
+ */ |
+ public Term searchTerm(String termName) |
+ { |
+ Term term = null; |
+ |
+ /* Exec query */ |
+ try |
+ { |
+ term = (Term) this.session |
+ .createQuery("FROM User " + "WHERE username = :username") //$NON-NLS-1$ //$NON-NLS-2$ |
+ .setParameter("username", termName).uniqueResult(); //$NON-NLS-1$ |
+ } |
+ catch (Exception e) |
+ { |
+ /* TODO: Log error */ |
+ } |
+ return term; |
+ } |
+ |
+ /** |
+ * List a term by ID |
+ * |
+ * @param termId |
+ * @return |
+ */ |
+ public Term listTermById(int termId) |
+ { |
+ Term term = null; |
+ try |
+ { |
+ term = (Term) this.session.get(Term.class, termId); |
+ } |
+ catch (Exception e) |
+ { |
+ e.printStackTrace(); |
+ } |
+ return term; |
+ } |
+} |
\ No newline at end of file |
/webE/dao/TermDAOImpl.java |
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Property changes: |
Added: svn:mime-type |
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+text/plain |
\ No newline at end of property |
Index: webE/action/TermAction.java |
=================================================================== |
--- webE/action/TermAction.java (nonexistent) |
+++ webE/action/TermAction.java (revision 31) |
@@ -0,0 +1,166 @@ |
+package ch.ffhs.webE.action; |
+ |
+import java.util.ArrayList; |
+import java.util.List; |
+ |
+import javax.servlet.http.HttpServletRequest; |
+ |
+import org.apache.struts2.StrutsStatics; |
+ |
+import ch.ffhs.webE.dao.TermDAO; |
+import ch.ffhs.webE.dao.TermDAOImpl; |
+import ch.ffhs.webE.domain.Term; |
+ |
+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 = -6659925652584240539L; |
+ |
+ private Term term = new Term(); |
+ private List<Term> termList = new ArrayList<Term>(); |
+ private final TermDAO termDAO = new TermDAOImpl(); |
+ |
+ /* |
+ * (non-Javadoc) |
+ * |
+ * @see com.opensymphony.xwork2.ModelDriven#getModel() |
+ */ |
+ public Term getModel() |
+ { |
+ return this.term; |
+ } |
+ |
+ /** |
+ * Executes the DB query to save the user |
+ * |
+ * @return {@link Action#SUCCESS} |
+ */ |
+ public String addOrUpdate() |
+ { |
+ this.termDAO.saveOrUpdate(this.term); |
+ return Action.SUCCESS; |
+ } |
+ |
+ /** |
+ * DB query for userList |
+ * |
+ * @return SUCCESS |
+ */ |
+ public String list() |
+ { |
+ this.termList = this.termDAO.listTerm(); |
+ return Action.SUCCESS; |
+ } |
+ |
+ /** |
+ * @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR} |
+ * otherwise |
+ */ |
+ public String edit() |
+ { |
+ int id = this.getIdParameter(); |
+ |
+ if (id > 0) |
+ { |
+ this.term = this.termDAO.listTermById(id); |
+ return Action.SUCCESS; |
+ } |
+ else |
+ { |
+ 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() |
+ { |
+ HttpServletRequest request = (HttpServletRequest) ActionContext |
+ .getContext().get(StrutsStatics.HTTP_REQUEST); |
+ |
+ int id = -1; |
+ try |
+ { |
+ id = Integer.parseInt(request.getParameter("id")); //$NON-NLS-1$ |
+ } |
+ catch (Exception e) |
+ { |
+ /* TODO: Logging - wrong parameter set */ |
+ } |
+ |
+ return id; |
+ } |
+ |
+ /** |
+ * deletes a user, 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 */ |
+ if (id > 0) |
+ { |
+ this.termDAO.deleteTerm(id); |
+ return Action.SUCCESS; |
+ } |
+ else |
+ { |
+ return Action.ERROR; |
+ } |
+ } |
+ |
+ /* |
+ * 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; |
+ } |
+} |
/webE/action/TermAction.java |
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Property changes: |
Added: svn:mime-type |
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+text/plain |
\ No newline at end of property |