9 Nov
2009
9 Nov
'09
3:20 a.m.
Hi Denis,
plugin worked fine with me as I worked with the example and I guess
I do now understand the the basic of developing plugins. Thanks.
Actually I am using a data service's RPC call to invoke functions and
get the data. I have already set up the DS with xwiki and can call POJO
functions through the DS.The requirement for the server side remote object
is as stated here:
"You can use any plain old Java object (POJO) that is available in the web
application classpath as the source of the Remoting Service destination.
The class must have a zero-argument constructor so that DataService can
construct an instance."
I tried to make HelloWorldPluginApi of the example my remote object but
got a long error sice remote obj can only have zero argument!!!
Now my question is if I have a very simple POJO like this:
package com.xpn.xwiki.plugin.helloworld;
//import com.xpn.xwiki.plugin.helloworld.HelloWorldPluginApi;
public class SampleService
{
public String sayHelloTo(String name)
{
return "Hello " + name;
}
}
how can I call the example's HelloWorldPluginApi's hello()
function from this POJO's
sayHelloTo("") function?
Thanks.........
On Sun, Nov 8, 2009 at 9:13 AM, Vivian Richard <kanpsack(a)gmail.com> wrote:
Thanks Denis,
for taking time to write this well explained, long email - really
appreciate it.
From all your given options I found plugin is the easiest(since I understand
the code very clearly) for me which is explained here -
http://platform.xwiki.org/xwiki/bin/view/DevGuide/CreatingPlugins
Let me work on it and I will let you know if I have any further questions.
Regards,
Viv
On Sun, Nov 8, 2009 at 3:17 AM, Denis Gervalle <dgl(a)softec.st> wrote:
Hi Vivian,
Are you sure that you want to interact with XWiki the old way (using
plug-ins) ?
Have you read http://platform.xwiki.org/xwiki/bin/view/DevGuide/WritingComponents
or probably better for your needs
http://platform.xwiki.org/xwiki/bin/view/DevGuide/WritingMacros
?
The context is an XWikiContext object that was the old way of keeping
track of the current request, and it had to be passed around from
method to method, everywhere in the code. It is progressively being
replaced by an execution context managed by an execution manager
component.
In velocity, if you have programming rights, you may reach the
XWikiContext using the velocity context this way:
#set( $xcontext = $context.context )
In a plugins, if you read carefully the
http://platform.xwiki.org/xwiki/bin/view/DevGuide/CreatingPlugins
, you will notice that you have to extends XWikiDefaultPlugin and
implements an init method to receive the context that you will
passover to the constructor of your plugin API. This way, you will
have access to the context in your plugin API as needed through the
protected variable context that is initialized at construction time.
The plugin API should be instantiated newly for each call to the
getPluginApi method of your plugin. This way, the API represent the
contextual instance of your plugin during a given request while the
plugin itself is a singleton.
Regards,
Denis Gervalle
On Nov 8, 2009, at 9:10, Vivian Richard wrote:
Thank you very much Arun for your help.
Actually I have already
used velocity and was able to do whatever I needed through velocity.
But my requirements changed and now I need to do exactly the
same thing is pure java. If you can help me in that will really be
appreciated.
at the bottom of the following link
http://platform.xwiki.org/xwiki/bin/view/DevGuide/CreatingPlugins
this line of code
com.xpn.xwiki.doc.XWikiDocument doc =
context.getWiki().getDocument("theSpace.theDoc", context); // any
document
where this contest is coming from?
If I have a class how do I get the context?
On Sat, Nov 7, 2009 at 7:47 PM, Arun Reddy <vipunreddy.n(a)gmail.com>
wrote:
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Hi Richard,
On Sun, Nov 8, 2009 at 6:14 AM, Vivian Richard <kanpsack(a)gmail.com>
wrote:
> Hello devs,
>
> got a really newbie question and sitting on it for hours.
> Your help will be appreciated. All I am trying to do is
> - writing a Java class which has a method - when called
> with doc name/ID will return the document title. That is all.
>
If you are looking for a method which returns document title of a
particular
doc name/ID , You can use velocity to achive that easily on the fly
by
putting the code inside your wiki pages itself.
You can have a look at these :
velocity scripting guide :
http://platform.xwiki.org/xwiki/bin/view/DevGuide/Scripting#HXWiki27sVeloci…
XWiki API :
http://platform.xwiki.org/xwiki/bin/view/DevGuide/API
$doc.getTitle() -> to get title of current doc.
$xwiki.getDocument(java.lang.String web,java.lang.String
fullname).getTitle()
And many more methods, kindly check the API (link given above).
The following code is what Itried:
>
> import com.xpn.xwiki.XWikiContext;
> import com.xpn.xwiki.api.Api;
> import com.xpn.xwiki.api.XWiki;
> import com.xpn.xwiki.doc.XWikiDocument;
>
>
> public class SampleService extends Api
> {
> public SampleService()
> {
> super(); /// I guess there should be XwikiContext
> parameter in
> the constructor
> }
> public String myDocTitle(String:name)
> {
> com.xpn.xwiki.doc.XWikiDocument docu =
> context.getWiki().getDocument("theSpace.theDoc", context); // I
> do
> not where to get this context from
> return docu.getTitle();
> }
> }
> _______________________________________________
> devs mailing list
> devs(a)xwiki.org
> http://lists.xwiki.org/mailman/listinfo/devs
>
--
Best Regards,
Arun Reddy
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