display processes in jsp

Question

I have a problem when I desplay the process in jsp I use the following code:

public ArrayList<String> getProcessusList(){

     ArrayList<String> ss=new ArrayList<String>();
     String st="";
 try {
        String line;
        Process p = Runtime.getRuntime().exec
                (System.getenv("windir") +"\\system32\\"+"tasklist.exe");
        BufferedReader input =
                new BufferedReader(new InputStreamReader(p.getInputStream()));
        while ((line = input.readLine()) != null) {
            String[] se=line.split(" =\n");
            for(String sd:se){ss.add(sd);}
        }


        input.close();
    } catch (Exception err) {
        err.printStackTrace();
    }
 return ss;
}

and in jsp file the code is:

<body>
  ArrayList <String>processArray=p.getProcessusList();
  <%for(String se:processArray){
  String []s=se.split(" ");
  for(String sd:s){%><%=sd %>&nbsp;<% }%> <br><% } %>


  </body>

Output:

enter image description here

but I want to a format more user friendly,can you help me?

@ofloflofl Henery's suggestion is much better than it seems. But really, you have a lot of issues. It is kind to stop the criticism at "this code is horribly non-portable". — Edwin Buck, Aug 20 '13 at 06:37
i want to get the same format that displayed when i execute this code in java class (console) — ofloflofl, Aug 20 '13 at 07:48

score 1 · Accepted Answer · answered Aug 20 '13 at 07:49

My solution, some hard code:

public ArrayList<String> getProcessusList(){

        ArrayList<String> ss=new ArrayList<String>();
        try {
            String line;
            Process p = Runtime.getRuntime().exec
                    (System.getenv("windir") +"\\system32\\"+"tasklist.exe");
            BufferedReader input =
                    new BufferedReader(new InputStreamReader(p.getInputStream()));
            while ((line = input.readLine()) != null) {
                String[] se=line.split(" =\n");
                for(String sd:se){
                    String[] sa = sd.split("\\s\\s+");
                    if (sa.length>1)
                        ss.add(sd);
                }
            }
            input.close();
        } catch (Exception err) {
            err.printStackTrace();
        }
        return ss;
    }

JSP file:

<%
ArrayList<String> processArray=p.getProcessusList();
%>
<table border="1" cellspacing="0">
    <thead>
        <tr>
            <%
            String se = processArray.get(0);
            String[] sa = se.split("\\s\\s+");%>
            <%for (int j=0;j<sa.length;j++){ 
            if(j==1){%>
            <th>PID</th>
            <th>Session Name</th>
            <%} else {%>
            <th><%=sa[j] %></th>
            <%}} %>
        </tr>
    </thead>
    <tbody>
        <%for (int i=1;i<processArray.size();i++){ 
        se = processArray.get(i);
        sa = se.split("\\s\\s+");%>
        <tr>
            <%for (int j=0;j<sa.length;j++){
            if(j==1){
                String ssa[] = sa[j].split(" ");%>
            <td><%=ssa[0] %></td>
            <td><%=ssa[1] %></td>
            <%}else{ %>
            <td><%=sa[j] %></td>
            <%}} %>
        </tr>
        <%} %>
    </tbody>
</table>

score 0 · Answer 2 · edited May 23 '17 at 12:19

Take a HTML table and add rows(tr) and td's to get proper structure.

Further you can do some styling to that with CSS.

Using scriplets in jsp is outdated and highly discouraged .Use JSTL instead of Scriplets

Mock Code

   <c:forEach items="${element}" var="myCollection">

    <tr>
        <td><c:out value="${element.field}"/></td>

    </tr>
</c:forEach>

Prefer to read : How to avoid using scriptlets in my JSP page?

score 0 · Answer 3 · answered Aug 20 '13 at 06:28

0

Add html table (or div) and use JSTL to generate it.

answered Aug 20 '13 at 06:28

Alex

11,451
6
37
52

score 0 · Answer 4 · answered Aug 20 '13 at 06:32

0

Try StringUtils

StringUtils.rightPad(sd,30);

answered Aug 20 '13 at 06:32

newuser

8,338
2
25
33

display processes in jsp

4 Answers4