WebSVN - WebE - Diff - Rev 31 and 33 - /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();

  /*
   * (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 add()
  {
    User user = this.userDAO.searchUsername((String) this.session
        .get("username"));
    ObjectEntity obj = new ObjectEntity(user, new ObjectType(ObjectType.TERM),
        user, null, new Date(), false, this.term, null, null);
    this.term.setObject(obj);
    if (this.termDAO.saveOrUpdate(this.term))
    {
      return Action.SUCCESS;
    }

    return Action.ERROR;
  }

  /**
   * DB query for term list
   *
   * @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.getTermById(id);
      if (this.term != null)
      {
        return 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()
  {
    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;
  }
}
 

Rev 31	Rev 33
1	package ch.ffhs.webE.action;	1	package ch.ffhs.webE.action;
2		2
3	import java.util.ArrayList;	3	import java.util.ArrayList;
-		4	import java.util.Date;
4	import java.util.List;	5	import java.util.List;
-		6	import java.util.Map;
5		7
6	import javax.servlet.http.HttpServletRequest;	8	import javax.servlet.http.HttpServletRequest;
7		9
8	import org.apache.struts2.StrutsStatics;	10	import org.apache.struts2.StrutsStatics;
9		11
10	import ch.ffhs.webE.dao.TermDAO;	-
11	import ch.ffhs.webE.dao.TermDAOImpl;	12	import ch.ffhs.webE.dao.TermDAOImpl;
-		13	import ch.ffhs.webE.dao.UserDAOImpl;
-		14	import ch.ffhs.webE.domain.ObjectEntity;
-		15	import ch.ffhs.webE.domain.ObjectType;
12	import ch.ffhs.webE.domain.Term;	16	import ch.ffhs.webE.domain.Term;
-		17	import ch.ffhs.webE.domain.User;
13		18
14	import com.opensymphony.xwork2.Action;	19	import com.opensymphony.xwork2.Action;
15	import com.opensymphony.xwork2.ActionContext;	20	import com.opensymphony.xwork2.ActionContext;
16	import com.opensymphony.xwork2.ActionSupport;	21	import com.opensymphony.xwork2.ActionSupport;
17	import com.opensymphony.xwork2.ModelDriven;	22	import com.opensymphony.xwork2.ModelDriven;
18		23
19	/**	24	/**
20	* Implements actions applicable to term editing	25	* Implements actions applicable to term editing
21	*	26	*
22	* @author Thomas Lahn	27	* @author Thomas Lahn
23	*/	28	*/
24	public class TermAction extends ActionSupport implements ModelDriven<Term>	29	public class TermAction extends ActionSupport implements ModelDriven<Term>
25	{	30	{
26	private static final long serialVersionUID = -6659925652584240539L;	31	private static final long serialVersionUID = 1L;
27		32
28	private Term term = new Term();	33	private Term term = new Term();
29	private List<Term> termList = new ArrayList<Term>();	34	private List<Term> termList = new ArrayList<Term>();
30	private final TermDAO termDAO = new TermDAOImpl();	35	private final TermDAOImpl termDAO = new TermDAOImpl();
-		36	private final UserDAOImpl userDAO = new UserDAOImpl();
-		37
-		38	/**
-		39	* Session object
-		40	*/
-		41	Map<String, Object> session = ActionContext.getContext().getSession();
31		42
32	/*	43	/*
33	* (non-Javadoc)	44	* (non-Javadoc)
34	*	45	*
35	* @see com.opensymphony.xwork2.ModelDriven#getModel()	46	* @see com.opensymphony.xwork2.ModelDriven#getModel()
36	*/	47	*/
37	public Term getModel()	48	public Term getModel()
38	{	49	{
39	return this.term;	50	return this.term;
40	}	51	}
41		52
42	/**	53	/**
43	* Executes the DB query to save the user	54	* Executes the DB query to save the user
44	*	55	*
45	* @return {@link Action#SUCCESS}	56	* @return {@link Action#SUCCESS}
46	*/	57	*/
47	public String addOrUpdate()	58	public String add()
48	{	59	{
-		60	User user = this.userDAO.searchUsername((String) this.session
-		61	.get("username"));
-		62	ObjectEntity obj = new ObjectEntity(user, new ObjectType(ObjectType.TERM),
-		63	user, null, new Date(), false, this.term, null, null);
-		64	this.term.setObject(obj);
49	this.termDAO.saveOrUpdate(this.term);	65	if (this.termDAO.saveOrUpdate(this.term))
-		66	{
50	return Action.SUCCESS;	67	return Action.SUCCESS;
-		68	}
-		69
-		70	return Action.ERROR;
51	}	71	}
52		72
53	/**	73	/**
54	* DB query for userList	74	* DB query for term list
55	*	75	*
56	* @return SUCCESS	76	* @return SUCCESS
57	*/	77	*/
58	public String list()	78	public String list()
59	{	79	{
60	this.termList = this.termDAO.listTerm();	80	this.termList = this.termDAO.listTerm();
61	return Action.SUCCESS;	81	return Action.SUCCESS;
62	}	82	}
63		83
64	/**	84	/**
65	* @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR}	85	* @return {@link Action#SUCCESS} if <var>id</var> > 0, {@link Action#ERROR}
66	* otherwise	86	* otherwise
67	*/	87	*/
68	public String edit()	88	public String edit()
69	{	89	{
70	int id = this.getIdParameter();	90	int id = this.getIdParameter();
71		91
72	if (id > 0)	92	if (id > 0)
73	{	93	{
74	this.term = this.termDAO.listTermById(id);	94	this.term = this.termDAO.getTermById(id);
75	return Action.SUCCESS;	95	if (this.term != null)
76	}	96	{
77	else	97	return Action.SUCCESS;
78	{	98	}
79	return Action.ERROR;	-
80	}	99	}
-		100
-		101	return Action.ERROR;
81	}	102	}
82		103
83	/**	104	/**
84	* Gets the ID Parameter for update / delete requests	105	* Gets the ID Parameter for update / delete requests
85	*	106	*
86	* @return int from the ID request. If not set or wrong, it gives back -1	107	* @return int from the ID request. If not set or wrong, it gives back -1
87	*/	108	*/
88	private int getIdParameter()	109	private int getIdParameter()
89	{	110	{
90	HttpServletRequest request = (HttpServletRequest) ActionContext	111	HttpServletRequest request = (HttpServletRequest) ActionContext
91	.getContext().get(StrutsStatics.HTTP_REQUEST);	112	.getContext().get(StrutsStatics.HTTP_REQUEST);
92		113
93	int id = -1;	114	int id = -1;
94	try	115	try
95	{	116	{
96	id = Integer.parseInt(request.getParameter("id")); //$NON-NLS-1$	117	id = Integer.parseInt(request.getParameter("id")); //$NON-NLS-1$
97	}	118	}
98	catch (Exception e)	119	catch (Exception e)
99	{	120	{
100	/* TODO: Logging - wrong parameter set */	121	/* TODO: Logging - wrong parameter set */
101	}	122	}
102		123
103	return id;	124	return id;
104	}	125	}
105		126
106	/**	127	/**
107	* deletes a user, gets the ID from the "id" parameter that was submitted with	128	* deletes a user, gets the ID from the "id" parameter that was submitted with
108	* the HTTP request	129	* the HTTP request
109	*	130	*
110	* @return String - either SUCCESS or ERROR constant	131	* @return String - either SUCCESS or ERROR constant
111	*/	132	*/
112	public String delete()	133	public String delete()
113	{	134	{
114		135
115	int id = this.getIdParameter();	136	int id = this.getIdParameter();
116		137
117	/* Check for malicious ID values */	138	/* Check for malicious ID values */
118	if (id > 0)	139	if (id > 0)
119	{	140	{
120	this.termDAO.deleteTerm(id);	141	this.termDAO.deleteTerm(id);
121	return Action.SUCCESS;	142	return Action.SUCCESS;
122	}	143	}
123	else	144	else
124	{	145	{
125	return Action.ERROR;	146	return Action.ERROR;
126	}	147	}
127	}	148	}
128		149
129	/*	150	/*
130	* Standard getters and setters	151	* Standard getters and setters
131	*/	152	*/
132		153
133	/**	154	/**
134	* @return The term edited with this instance	155	* @return The term edited with this instance
135	*/	156	*/
136	public Term getTerm()	157	public Term getTerm()
137	{	158	{
138	return this.term;	159	return this.term;
139	}	160	}
140		161
141	/**	162	/**
142	* @param term	163	* @param term
143	* The term edited with this instance	164	* The term edited with this instance
144	*/	165	*/
145	public void setTerm(Term term)	166	public void setTerm(Term term)
146	{	167	{
147	this.term = term;	168	this.term = term;
148	}	169	}
149		170
150	/**	171	/**
151	* @return The list of terms edited with this instance	172	* @return The list of terms edited with this instance
152	*/	173	*/
153	public List<Term> getTermList()	174	public List<Term> getTermList()
154	{	175	{
155	return this.termList;	176	return this.termList;
156	}	177	}
157		178
158	/**	179	/**
159	* @param termList	180	* @param termList
160	* The list of terms edited with this instance	181	* The list of terms edited with this instance
161	*/	182	*/
162	public void setTermList(List<Term> termList)	183	public void setTermList(List<Term> termList)
163	{	184	{
164	this.termList = termList;	185	this.termList = termList;
165	}	186	}
166	}	187	}
167		188

Subversion Repositories WebE

(root)/trunk/src/ch/ffhs/webE/action/TermAction.java - Rev 31 → 33