Getting all request parameters

Hi,
Is there a way to get ALL the paramaters in the request in a list or something like that.
Thx

Take a look at the [API for the request object|http://java.sun.com/j2ee/1.4/docs/api/javax/servlet/ServletRequest.html].
There is are a couple of methods there that might help
Hint - they both start with getParameter....

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Teststand api get all step parameters

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Try this. You may have to put Step.MessageExpr in the string there.
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I am having a servlet in which i am I accepting two form values i.e 'fromdate' and 'todate' by using req.getParameter(fromdate & todate).
Now i have to query a table called REQUEST which has 4 columns like req_id, name, createdate and status.
In the servlet I would like to retrieve all the request during that period say for example. between 1st July to 31stJuly, and then display it on the browser with all req_id(first column in the table) having a hyperlink to another XML file which consists of all the details when a user had send his request in the month of July.
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The topic seems a little broad.
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Extracting Request Parameters from a POST.

A client is POSTING some request parameters as part of its POST request.
My servlet is getting this as part of the getInputStream.
The contents of the inputStream received is:
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Now how do I extract this username and password which is in the Body
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I am trying request.getParameter("username")
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Can some please help me as to how to get the request parameters?
Attached is my servlet
public class DeviceLocation extends HttpServlet {
private static final String CONTENT_TYPE = "text/html";
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
public void doPost(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException {
System.out.println("Servlet up and running...");
InputStream requestInputStream = request.getInputStream();
InputStreamReader isr = new InputStreamReader(requestInputStream);
BufferedReader br = new BufferedReader(isr);
String line = "";
StringBuffer sb= new StringBuffer();
while ((line = br.readLine()) != null)
sb.append(line);
br.close();
System.out.println(sb.toString()); // display the input Stream
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System.out.println("Request Method : " + request.getMethod());
System.out.println("Host : " + request.getHeader("Host"));
System.out.println("User Agent : " + request.getHeader("User-Agent"));
} // End of servlet class.

try doing it without reading in the requestInputStream first:
public class DeviceLocation extends HttpServlet {
private static final String CONTENT_TYPE = "text/html";
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
public void doPost(HttpServletRequest request,
HttpServletResponse response)
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System.out.println("Servlet up and running...");
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How to get all parameter names along with their values in stored procedure which is being executed

Im using sql server 2012, is there any possible way to get all the parameters of a stored procedure along with the values passed to it.
I need these things to build a xml. I mean this should happen in the procedure which being executed and it should be common for all the procedures.
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I think you need running SQL Server Profiler to capture this info even in SQL Server 2012.
Best Regards,Uri Dimant SQL Server MVP,http://sqlblog.com/blogs/uri_dimant/
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Get DAQmx tasks parameters

I've created in MAX 4.0 some DAQmx tasks to control diferent digital outputs bits (I attach a picture of it). I have to develop a TestStand step type with LabVIEW 7.1 in edit mode able to select any of this predefined tasks and show the bits correspondence (following the picture it would be for example "DigitaOut4 -> Dev1/por0/line2"). Is there some method to get all those parameters? Does somebody has a small example? Thanks in advance.
Mackemann
Attachments:
MAX DAQmx Tasks.JPG ‏62 KB

You can get all of this information from DAQmx property nodes. I wrote a quick example and there are probably more on either the LabVIEW or DAQ boards.
Message Edited by Dennis Knutson on 03-30-200602:56 PM
Attachments:
DAQmx Properties.JPG ‏30 KB

"get all new data request by request" after compressing source Cube

Hi
I need to transfer data from one Infocube to another and use the Delta request by request.
I have tried this when data on Source Infocube was not compressed and it worked.
Afterwards some requests were compressed and after that the delta request by request is transfering all the information to target Infocube in only one request.
Do you know if this a normal behavior?
Thanks in advance

Hi
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Hi BI's..
Could anyone please tell me why the option ' Get one Request only' and 'Get All New Data Request by Request' is not working in DTP between Standard DSO and InfoCube.
Scenario:
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Sari.

Hi,
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Flex builder invokes when I press RUN button ?
I am asking because I want to create mxmlc ant task with the
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<source-path path-element="${FLEX_HOME}\frameworks"/>
<compiler.source-path path-element="${flex.src}"/>
<compiler.library-path dir="${FLEX_HOME}\frameworks"
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<include name="libs" />
<include name="../bundles/{locale}" />
</compiler.library-path>
</mxmlc>

Hi,
Try -dump-config compiler argument, which will write all the
currently set configuration values. Please find more details at the
URL below.
http://www.quilix.com/node/9
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Hi,
Test.ps1 A B C D E F
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Newbie: what is the equivalent of passing request parameters?

Hi-
I am new to JSF. I have read many tutorials and articles. I still don't get one concept about passing parameters. Note: I don't want to store stuff in the session unless I have to.
Let's say I have a page with a list of users. I layout the page with a panelGrid. Each row of the table has the first and last name of the user. If a user clicks on the name of a user on the user list, it should go to the user profile page. The backing bean for the user list page will be the UserListBean. It has a method called getUsers() that returns a List of User objects.
For the View User page, I have a ViewUserBean. The ViewUserBean retrieve the entire profile for that user.
How do I pass the user ID to the ViewUserBean? In struts, I would pass it as a request parameter (I would manually write the link URL with the userID). I know I can use the request like that in JSF, but that seems ugly. I looked at the code of the J2EE bookstore tutorial and it does a funky thing with all sorts of data stored in the session.
What is the best way to request a page and "pass in" a userID?
Thanks for your help.
Adam

I have a case on my current project very similar to your case. What you want, very simply, is an easy way to allow faces to handle URLs like http://www.domain.com/showUserDetails?userId=50
The natural trouble is that when loading the page, there is no action to use to prefetch the User object based on the Request Parameters in JSF.
All the solutions above either rely on the session or they are exceedingly complex. This case is actually very easy to do and is very straight forward using Managed Properties and a Request Scope bean...
Here is the rather straight forward solution I used...
First, make a "ShowUserDetailsBean" which represents the "logic" for this page.
public class ShowUserDetailsBean
    /** Will point to the actual user service after dependency injection*/
    private UserService userService;
    /** Will hold the userId from the HTTP Request Parameters*/
    private String userId;
    /** Will hold a lazy loaded copy of the User object matching userId*/
    private User user;
    public void setUserService(UserService userService) {
        this.userService = userService; //dependecy injection
    public void setUserId(String userId) {
       this.userId = userId; //dependency injection
    /** Lazy loads the User object matching the UserId */
    public User getUser() {
        //Trap the case where the URL has no userId
        if (userId == null) return null;
        if (user == null) {
            user = userService.getUser(userId); //Lazy Load
        return user;
}Next, configure the managed properties in faces-config.xml
<faces-config xmlns="http://java.sun.com/JSF/Configuration">
<managed-bean>
    <managed-bean-name>userService</managed-bean-name>
    <managed-bean-class>foo.UserServiceImpl</managed-bean-class>
    <managed-bean-scope>application</managed-bean-scope>
</managed-bean>
<managed-bean>
    <managed-bean-name>showUserDetails</managed-bean-name>
    <managed-bean-class>foo.ShowUserDetailsBean</managed-bean-class>
    <managed-bean-scope>request</managed-bean-scope>
    <managed-property>
      <property-name>userService</property-name>
      <property-class>foo.UserService</property-class>
      <value>#{userService}</value>
    </managed-property>
    <managed-property>
      <property-name>userId</property-name>
      <property-class>java.lang.String</property-class>
      <value>#{param.userId}</value>
    </managed-property>
</managed-bean>Finally, you just make your webpage as you normally would...
<h:outputText value="#{showUserDetails.user.userId}"/>
<h:outputText value="#{showUserDetails.user.firstName}"/>
<h:outputText value="#{showUserDetails.user.lastName}"/>
Now you're ready to test, so you visit the page
http://www.domain.com/showUserDetails?userId=50
And your user details with userId=50 appears!
It's just that simple!
Regards,
Doug
Caveat: I haven't added any sample logic to handle cases where you visit:
http://www.domain.com/showUserDetails
without specifying a userId. I suggest you add some basic logic to your page to handle this case more gracefully.

WHY? Request Parameters From Form are NULL

I have the following process, which by the way has been working successfully for months, until just recently.
1) User comes to JSP page to upload images through a form that has the <input type="file"> fields as well as <input type="hidden"> to hold a few essential values.
2) User submits form, form action attribute set to go to a Servlet
3) Servlet reads all request params and inserts the images into a database.
I have code to read in the images...I use classes from the org.apache.commons package.
I could only assume it was the servlet that was the problem, but doubted that because why would it work all these months than suddenly stop.
I set up a test html page with a form and had it go to a jsp page to read the request params and print them out. To my suprise they all had NULL values.
Which tells me that the params aren't being read from the form.
How could this be??
Here is some example code snippets from my test pages:
HTML PAGE
<html><body>
<form name="images" action="testing_operations.jsp" enctype="multipart/form-data" method="post">
<input type="hidden" name="Customer_Number" value="4750">
<table>
<tr><td>
<input type="file" name="image1" />
</td></tr>
<tr><td>
<input type="file" name="image2" />
</td></tr>
<tr><td>
<input type="submit" value="submit">
</td></tr>
</table>
</form>
</body>
</html>JSP PAGE
String cus = request.getParameter("Customer_Number");
out.println("cus : " + cus +"<br>");
String image = request.getParameter("image1");
out.println("image: " + image);
I'm stumped...what am I doing wrong?
I can't continue until I get this figured out, can anybody help me with this?
Message was edited by:
Love2Java

I ran my original app with the enctype and without it:
the tomcat dos-prompt that shows exceptions lists out this below...
org.apache.commons.fileupload.FileUploadException: Processing of multipart/form-data request failed.
C:\jakarta-tomcat\temp\upload_00000009.tmp (The system cannot find the path specified)
at org.apache.commons.fileupload.FileUploadBase.parseRequest(FileUploadBase.java:429)
at org.apache.jsp.testing_operations_jsp._jspService(testing_operations_jsp.java:113)The code on line 113 in testing_operations.jsp is:
List items = upload.parseRequest(request);
and what is this .tmp file its trying to find?? I'm passing it an image off my local disk, not a .tmp file, there isn't even a temp folder in my jakarta-tomcat main folder....
It is failing on this line because it isn't reading the request parameters sent in, thus why too when I test for the values of the params they return null.
True, when I take out the enctype my test page will show the values, but this doesn't help me. I need that enctype attribute in there to process the images sent in through the fields.
So where does this leave me??
I went to the apache site for the commons upload and they have a more current version than what I'm using which is version 1.0, they have 1.1.1
I downloaded the new version but had no success in using it, the compiler couldn't find a class I attempted to use.
I still don't understand how this could be working and then suddenly stop.

Initialize managed bean from request parameters

Hi:
I thought this topic would be on the FAQ, but I couldn't find it. I am looking for a mean to initialize my managed bean from the query string. There must be something like:
<h:form initializeBean=""true"" requestParameter=""id_author"" beanProperty=""#{author.id_author}"" action=""#{author.getFromDB}"" >
</form>
The url would be something like http://localhost:8080/protoJSF/showAuthor.jsf?id_author=5334
And the getFromDB method would be something like
Public void getFromDB()
Statement stmt = cn.createStatement( ?SELECT * from author where id_author=? + getId_author() );
ResultSet rs = stmt.executeQuery();
}The only way I've found to perform something like this is to present a blank author form with a ''load data'' button: after pressing the button the user can see author's data and edit the data if she wants to. This two-step data screening is annoying, to say the least.
There must be a better way.
I beg for a pointer on how can I achieve the initializing of a managed bean with dynamic data.
Regards
Alberto Gaona

You just have to read carefully the very fun 289 pages
specification :-)Or, if 289 pages of JavaServer Faces is too much, you can get almost all of the same information from the JavaServer Pages 2.0 specification, or even the JSP Standard Tag Libraries specification :-).
More seriously, the standard set of "magic" variable names that JavaServer Faces recognizes is the same as that reognized by the EL implementations in JSP and JSTL. Specifically:
* applicationScope - Map of servlet context attributes
* cooke - Map of cookies in this request
* facesContext - The FacesContext instance for this request
* header - Map of HTTP headers (max one value per header name)
* headerValues - Map of HTTP headers (String array of values per header name)
* initParam - Map of context initialization parameters for this webapp
* param - Map of request parameters (max one value per parameter name)
* paramMap - Map of request parameters (String array of values per parameter name)
* requestScope - Map of request attributes for this request
* sessionScope - Map of session attributes for this request
* view - The UIViewRoot component at the base of the component tree for this view
If you use a simple name other than the ones on this list, JavaServer Faces will search through request attributes, session attributes, and servlet context (application) attributes. If not found, it will then try to use the managed bean facility to create and configure an appropriate bean, and give it back to you.
For extra fun, you can even create your own VariableResolver that can define additional "magic" variable names known to your application, and delegate to the standard VariableResolver for anything else.
Craig McClanahan

How to remove request parameters in a filter

Hello,
I wanted to make a filter that removes all the GET parameters except for a few exceptions.
How do I remove parameters from a ServletRequest or HttpServletRequest? I am trying to make a webapp that only uses POST variables, and not GET (except a few exceptions).
Can someone point me in the right direction?
Thanks!

Arrowx7 wrote:
Hey, thanks for the replies.
Actually, I have a bunch of action forms in my webapp, which use request.getParameter(). This method doesn't distinguish between get and post. For security reasons, I don't want any of those parameters coming in with the URL as GET.
At first I wanted to have the filter take the request URL, parse the variables, loop through them, and remove ones that aren't on the EXEMPT list.
So a request like this:
http://myweb.com/messageAction.do?method=send&to=bahuser&subject=i+am+stupid&body=you+stink
would be turned into this:
http://myweb.com/messageAction.do?method=send
because the 'method' param is the only one that is on the EXEMPT list.
Perhaps there is a way I can get the request URL with the GET params, and then redirect to the safe URL after taking out parameters?If you actually mean take out those parameters (ie make them not attainable anymore) then yes, you can do
if ("get".equals(request.getMethod().toLowerCase()) {
response.sendRedirect("http://myweb.com/messageAction.do?method="+request.getParameter("method"));
} else {
filterChain.doFilter(request, response);
}>
Thanks!
Edited by: Arrowx7 on Jul 24, 2008 9:03 AM

Getting all request parameters

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