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| Re: HTTP POST via ECF [message #663088 is a reply to message #662549] |
Sun, 03 April 2011 13:20   |
 Scott Lewis
Messages: 1038
Registered: July 2009 |
Senior Member |
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| Dirk Olmes wrote on Thu, 31 March 2011 00:59 | Hi,
I'm trying to integrate an Eclipse plugin with a REST service. I figured
that this should be possible using ECF but google does not come up with
anything useable. This is what I have so far:
IContainer container = ContainerFactory.getDefault().createContainer
("ecf.base");
ISendFileTransferContainerAdapter adapter =
(ISendFileTransferContainerAdapter)container.getAdapter
(ISendFileTransferContainerAdapter.class);
if (adapter != null) {
Namespace namespace = adapter.getOutgoingNamespace();
URL url = new URL("http://posttestserver.com/post.php");
IFileID fileId = FileIDFactory.getDefault().createFileID(namespace,
url);
File localFile = new File("/tmp/test.txt");
IFileTransferListener listener = new IFileTransferListener() {
public void handleTransferEvent(IFileTransferEvent event) {
System.out.println(event);
}
};
adapter.sendOutgoingRequest(fileId, localFile, listener, null);
}
But the code fails with "No protocol handler for FileTransferID
[ ecf.provider.filetransfer:http://posttestserver.com/post.php]"
My plugin.xml references org.eclipse.ecf, org.eclipse.ecf.filetransfer
and org.eclipse.ecf.provider.filetransfer.httpclient.
Am I using the right approach? What am I missing here?
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ECF has a number of APIs...the one you are trying to use with the code above is the ECF filetransfer API. There is currently no http post-based send file transfer provider, and that's why the above does not work. It would be quite possible to create an http-post-based filetransfer provider for a particular file-upload service, but it hasn't been done yet for http post (it has for ssh file upload/send, however).
I think that given that you are accessing a REST-based service, you probably would be better off using the ECF REST API...which is intended for creating clients for REST-based services. This is another API, specifically for creating remote services based upon REST/http methods (get, post, put, delete).
There's an example of using the ECF rest API, using the post method to interact with the Twitter service in this test code:
http://git.eclipse.org/c/ecf/org.eclipse.ecf.git/tree/tests/ bundles/org.eclipse.ecf.tests.remoteservice.rest/src/org/ecl ipse/ecf/tests/remoteservice/rest/twitter/TwitterRemoteServi ceTest.java
See particularly the setUp() method, which sets up the client for accessing the rest-based remote service.
In that same test plugin project, you will find other examples of using the rest API.
There are also some further examples of using the rest API here https://github.com/ECF/ECF-Examples
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| Re: HTTP POST via ECF [message #663139 is a reply to message #663088] |
Mon, 04 April 2011 01:53 |
Dirk Olmes
Messages: 26
Registered: July 2009 |
Junior Member |
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On Sun, 03 Apr 2011 09:20:15 -0400, Scott Lewis wrote:
> Dirk Olmes wrote on Thu, 31 March 2011 00:59
>> Hi,
>>
>> I'm trying to integrate an Eclipse plugin with a REST service. I
>> figured that this should be possible using ECF but google does not come
>> up with anything useable. This is what I have so far:
[...]
>>
>> Am I using the right approach? What am I missing here?
>
> ECF has a number of APIs...the one you are trying to use with the code
> above is the ECF filetransfer API. There is currently no http
> post-based send file transfer provider, and that's why the above does
> not work. It would be quite possible to create an http-post-based
> filetransfer provider for a particular file-upload service, but it
> hasn't been done yet for http post (it has for ssh file upload/send,
> however).
>
> I think that given that you are accessing a REST-based service, you
> probably would be better off using the ECF REST API...which is intended
> for creating clients for REST-based services. This is another API,
> specifically for creating remote services based upon REST/http methods
> (get, post, put, delete).
>
> There's an example of using the ECF rest API, using the post method to
> interact with the Twitter service in this test code:
>
> http://git.eclipse.org/c/ecf/org.eclipse.ecf.git/tree/tests/ bundles/
org.eclipse.ecf.tests.remoteservice.rest/src/org/eclipse/ecf /tests/
remoteservice/rest/twitter/TwitterRemoteServiceTest.java
[...]
Thanks for your reply. Looking at the TwitterRemoteServiceTest I was able
to put together a simple test using my local CouchDB. I did not test
agains the REST service I'm going to integrate yet.
One thing that I stumbled over is the handling of HTTP response codes in
RestClientService. The PUT request returns a 201 response code but
RestClientService throws an exception on anything else than a 200. This
may or may not be an issue once I start testing my REST service. I'll
report back once I did a test - this may take a while, though as I'm
travelling this week.
-dirk
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