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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.ServletActionContext;
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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.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 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 relType;
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    }
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    public String addOrUpdate()
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    {
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        relTypeDAO.saveOrUpdateRelType(relType);
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        return SUCCESS;
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    }
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    public String list()
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    {
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        relTypeList = relTypeDAO.listRelationshipTypes();
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        return SUCCESS;
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    }
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    public String edit()
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    {
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        int id = getIdParameter();
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        if (id > 0)
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        {
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            relType = relTypeDAO.listRelTypeById(id);
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            return SUCCESS;
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        }
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        else
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        {
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            return 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(ServletActionContext.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 = 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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            relTypeDAO.deleteRelationshipType(id);
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            return SUCCESS;
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        }
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        else
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        {
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            return 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 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 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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}