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26 moos 1 
package ch.ffhs.webE.action;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.struts2.StrutsStatics;
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import ch.ffhs.webE.dao.RelationshipTypeDAO;
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import ch.ffhs.webE.dao.RelationshipTypeDAOImpl;
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import ch.ffhs.webE.domain.RelationshipType;
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import com.opensymphony.xwork2.Action;
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import com.opensymphony.xwork2.ActionContext;
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import com.opensymphony.xwork2.ActionSupport;
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import com.opensymphony.xwork2.ModelDriven;
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public class RelationshipTypeAction extends ActionSupport implements
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    ModelDriven<RelationshipType>
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{
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  private static final long serialVersionUID = -3644691864156792139L;
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  private RelationshipType relType = new RelationshipType();
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  private List<RelationshipType> relTypeList = new ArrayList<RelationshipType>();
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  private final RelationshipTypeDAO relTypeDAO = new RelationshipTypeDAOImpl();
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  @Override
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  public RelationshipType getModel()
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  {
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    return this.relType;
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  }
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  public String addOrUpdate()
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  {
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    this.relTypeDAO.saveOrUpdateRelType(this.relType);
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    return Action.SUCCESS;
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  }
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  public String list()
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  {
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    this.relTypeList = this.relTypeDAO.getRelTypes();
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    return Action.SUCCESS;
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  }
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  public String edit()
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  {
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    int id = this.getIdParameter();
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    if (id > 0)
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    {
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      this.relType = this.relTypeDAO.getRelTypeById(id);
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      return Action.SUCCESS;
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    }
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    else
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    {
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      return Action.ERROR;
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    }
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  }
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  /**
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   * Gets the ID Parameter for update / delete requests
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   *
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   * @return int from the ID request. If not set or wrong, it gives back -1
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   */
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  private int getIdParameter()
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  {
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    HttpServletRequest request = (HttpServletRequest) ActionContext
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        .getContext().get(StrutsStatics.HTTP_REQUEST);
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    int id = -1;
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    try
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    {
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      id = Integer.parseInt(request.getParameter("id"));
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    }
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    catch (Exception e)
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    {
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      // TODO: Logging - wrong parameter set
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    }
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    return id;
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  }
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  /**
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   * deletes a relationshipType, gets the ID from the id parameter that was
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   * submitted
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   *
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   * @return String - either success or error
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   */
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  public String delete()
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  {
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    int id = this.getIdParameter();
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    // Check for malicious ID values
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    if (id > 0)
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    {
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      this.relTypeDAO.deleteRelationshipType(id);
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      return Action.SUCCESS;
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    }
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    else
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    {
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      return Action.ERROR;
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    }
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  }
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  /*
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   * Getters and setters
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   */
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  public RelationshipType getRelType()
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  {
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    return this.relType;
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  }
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  public void setRelType(RelationshipType relType)
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  {
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    this.relType = relType;
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  }
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  public List<RelationshipType> getRelTypeList()
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  {
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    return this.relTypeList;
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  }
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  public void setRelTypeList(List<RelationshipType> relTypeList)
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  {
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    this.relTypeList = relTypeList;
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  }
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}