URL parameter

[mpulse]

hello

Is it possible to get an url parameter in a web page ?

Or how do that :

I'd like to add an id to the url => &id=123456

and for loading the page I want to execute an action with the id in parameter's fonction.

any ideas?

thanks

[wise_guybg]

To have the parameter injected in a field inside your component you can do:

@RequestParameter
String id;

[mpulse]

I also try

String id = (String) FacesContext.getCurrentInstance().getExternalContext().getRequestParameterMap().get("id")

But I just get a NULL value :s

[wise_guybg]

Here is an example of the use of RequestParameter

import org.jboss.seam.annotations.Name;
import org.jboss.seam.annotations.RequestParameter;

@Name("detail")
public class Detail
{

 @RequestParameter
 Long entryId;

 public Long getEntryId()
 {
 return entryId;
 }

 public void setEntryId(Long entryId)
 {
 this.entryId = entryId;
 }

 public Entry getEntry()
 {
 return new Entry(entryId);
 }

}

[wise_guybg]

In my Seam 2.0.0.BETA1 there is also a class Parameters (component name: org.jboss.seam.web.parameters)

It has a getRequestParameters() method.

[mpulse]

I don't understand :(

first : i use

<s:link view="/smsInfo.xhtml" value="info"/>

for the link how add a parameter ? it must be visible in the url

with that link i have == > smsInfo.seam?cid=43

So how add id => #{msg.id}

Second : if a want that, it's for share page link so if the paramater is in the session in java :/ i don't see how it can work :/

the page will load a message by its ID.

[alexg79]

So how add id => #{msg.id}

<s:link view="/smsInfo.xhtml" value="info">
 <f:param name="id" value="#{msg.id}"/>
</s:link>

[mpulse]

thanks I arrive to pass id in parameter.

But i don't arrive to get it in java, always null value :(

[mpulse]

Parameters p = new Parameters();
 Map<String,String[]> map = p.getRequestParameters();

send me null value

[alexg79]

thanks I arrive to pass id in parameter.

But i don't arrive to get it in java, always null value :(

You probably meant to use some other word here than "arrive", but I can't figure it out.
Anyway, you need this in the component you use on the destination page:

...
@RequestParameter
private Integer id;
...

Use whatever type is appropriate in place of "Integer". Worked for me.
Alternatively, try reading up on page parameters in the Seam documentation.

[mpulse]

Sorry for my bad english.

I add to page.xml =>

<page view-id="/smsInfo.xhtml" action="#{MyAction}"/>

And now it work with @RequestParameter

Thanks a lot.