I'm not able to receive plain text using RestyGWT. A very simple test service looks like this:
#GET
#Consumes(MediaType.TEXT_PLAIN)
#Produces(MediaType.TEXT_PLAIN)
void test(MethodCallback<String> callback);
On the client side I always get:
Response was NOT a valid JSON document
Looking at the HTTP response I'm seeing that content type is set correctly:
Content-Type:text/plain
What's the problem? Why RestyGWT tries to parse this as JSON? Am I doing smth wrong?
If you will use TextCallback instead of MethodCallback<String> you won't get this error.
It will set Accept header automatically to text/plain, so you don't have to use #Produces adnotation in your async interface.
Well, RestyGWT is a Json library, AFAIK it is not made to handle plain text, or XML, or anything else. "foo" isn't a valid Json data, should be ["foo"] or {"stuff": "foo"}.
Indeed, in our Rest API, we tried to send pure text (an id), but we finally made a simple object wrapping the id.
Related
I need to create a ReST service using Jersey 2.0. I need to send multiple documents and metadata to the client.
What is the best approach do to the achieve this.
I was able to send a MultiPart response from the server , but not sure how to read this from the client code
Let's say you have a document called "document1" which you want to get via your client.
In your REST-API your unique identifier for the document (the resource) could be:
http://example.com/restapi/documents/document1
As you want to READ data you do a HTTP-GET Request to that uri.
And here comes the important part for you: A resource can have multiple representations - meta data and binary data in your case.
So the client has to tell the server which representation type to get (content negotiation). This information can be set in the ACCEPT Header of the client request for instance.
You can use the content type "application/json" as a representation for the meta data.
Unfortunately you didn't tell us what kind of binary data you want to send.
If they are PDFs the content type would be "application/pdf" for instance. If the binary data doesn't have a specific type you can use "application/octet-stream".
Of course there is work to be done on the server side too. Here an example:
#Path("/documents/{documentname}")
public class docResource {
#GET #Produces("application/json")
public Response getDocumentMetaData(#PathParam("documentname") String docName) {
// Create a Response containing a json
}
#GET #Produces("application/pdf")
public Response getDocumentBinaryData(#PathParam("documentname") String docName) {
// Create a response containing the binary data
}
...
}
Jersey will check the accept header of the client and will run the appropriate method.
Also see: https://jersey.java.net/documentation/latest/jaxrs-resources.html
If you are using jersey with jackson you can also easily marshal a POJO to JSON and visa versa:
http://examples.javacodegeeks.com/enterprise-java/rest/jersey/json-example-with-jersey-jackson/
If you are not sure what to do in the "getDocumentBinaryData"-Method - checkout this simple example from mkyong:
http://www.mkyong.com/webservices/jax-rs/download-excel-file-from-jax-rs/
I need to update an order which is done via PUT method passing the order id as part of the https url string and a single parameter, the status_id.
https://mystore.mybigcommerce.com/orders/12345.json
I have tried several methods to pass the status_id value but no matter what I try "status_id=12" or formatted as JSON "{"status_id": 12,}" I always get the same response:
[{"status":415,"message":"The specified input content type is not valid."}]
I have also tried as a POST request passing the JSON or XML code as raw data but that method is not supported.
How am I supposed to pass that field=value pair? can I embed it in the url string?
I also tried it but it wouldn't work for me.
Any ideas?
In case you are wondering I am doing it within FileMaker with TROIUrl plugIn, not a very popular technology, but the GET method retrieving orders works like a charm
TURL_Put( ""; $url ;"status_id=12") (I have also tried other FM plugIns to no avail)
Don't get too caught up in the Filemaker part, I don't expect many people out there to be familiar with BigCommerce and Filemaker. I just need a generic answer.
Thanks
Commandline tool curl is worth a try. It supports put and https.
Mac OS X: curl already installed, call from FileMaker via AppleScript do shell script.
Windows: must be installed, call via Powershell.
It works for me using { "status_id": "3" } which means you probably need to put quotes around the actual number.
Also, it is a PUT operation and application/json which is part of the request content.
The error message received by the OP:
[{"status":415,"message":"The specified input content type is not valid."}]
Is saying that he did not supply the 'Content-Type' header in his request or that the header supplied is for a content type that is not allowed. For the OP's case using JSON he would need to include the header:
Content-Type: application/json
in his HTTPS request. This description can be found along with those of the other status codes you may see here:
https://developer.bigcommerce.com/api/status-codes
I need to do a post request from a gwt app to a server. So far this works fine. However, originally I used an object that contained all the parameters send over to the server via a rpc request so I did not have to manage the serialization and deserialization myself. Now I send this stuff via a post request and on the server side I get something like username=blabla&location=blabla
I'd rather like to do something like this (pseudo code):
String serializedObject = parameterObject.serialize();
sendPostRequestWithContent(serializedObject);
and on the server side:
doPost(...)
String serializedObject = request.getContent();
ParameterObject parameterObject = ParameterObject.deserialize( serializedObject );
Any idea how I could do this?
There are different ways.
For simple objects manually serialize and deserialize (field1=123123&field2=1232)
Use JSON as payload.
For solution 2 you can use a JSON parser on the beackend (Jackson, Gson, etc) and on the client you can either manually serialize the object to JSON or one of these methods.
I am trying to produce both xml and json from my rest service.
#Produces({"application/xml", "application/json"})
However, when I try to use the service using curl/SOAPUI, I get back either xml or json depending on which is mentioned first. In simple words, only the first method is considered. Is there a workaround?
You should check this link out - oracle docs for #Produces
The spec says that it does indeed default to the first one if that is acceptable as specified by the media type on the request. You should check your soapUI tool and see what headers you are sending. If they are both being sent you will get a response with the first one listed in your #Produces annotation.
I've generated the web service client in eclipse for the OpenCalais WSDL using the "develop" client type. Actually I was following this post so not really going in detail. Now when I get the results this way: new CalaisLocator().getcalaisSoap().enlighten(key, content, requestParams);, I get the String object, containing the response XML. Sure it's possible to parse that XML, but I think there must be some way to do it automatically, e.g. getting the response object in the form of some list whatsoever?
The response from the SOAP interface is already parsed. The englighten() method returns an XML string. When you call it with SOAP, this response is wrapped within even more XML. The SOAP library already parses the outer SOAP XML and returns the result of the enlighten() method, which is also XML.