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Simple REST client in Java for IBM Watson

As you know Maximo is currently based on a Java legacy infrastructure as long as IBM Watson is based on a cloud infrastructure with REST APIs. Here my proof of concept to invoke Watson by Control Desk.

To address my requirement without use the current and cool JavaScript frameworks I developed a simple REST client in Java plus a bunch of jar libraries. I hoping that it will help someone in some way.

To invoke the IBM Watson REST APIs regarding the Retrieve and Rank service:

IBM Watson REST APIs - Retrieve and rank service
IBM Watson REST APIs – Retrieve and rank service

I developed the following Simple REST client in Java

Some details:

  • Invoking the search Solr standard query api
  • Using the following Jars: httpclient-4.5.1.jar , httpcore-4.4.3.jar ,  commons-logging-1.2.jar , commons-codec-1.9.jar , java-json.jar
  • Using the JSONObject to handling the HTTP response with JSON content

 

Here the output from my simple REST client in Java for IBM Watson

Output - REST API IBM Watson
Output – REST API IBM Watson

Your comments and suggestions are welcome.

 

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5 Comments

  1. Hi Mario,
    I`m doing an application using retrieve and rank and now I need to save a json in the cluster, I tried to use this code

    String url = “https://XXXXXX.com/LogFinderGateway/LogFinder?SRdesc=”;
    HttpPost request = new HttpPost(url);
    StringEntity params =new StringEntity(“details={\”id\”:\”7777777777\”,\”body\”:\”bla12345\”} “);
    request.addHeader(“content-type”, “application/json”);
    request.addHeader(“Accept”,”application/json”);
    request.setEntity(params);

    HttpResponse response = httpClient.execute(request);
    System.out.println(response.toString());
    I receive the result
    HTTP/1.1 200 OK [Date: Wed, 28 Jun 2017 21:19:16 GMT, Server: Apache, Content-Length: 595, Connection: close, Content-Type: text/html;charset=ISO-8859-1] org.apache.http.conn.BasicManagedEntity@58a90037

    But it was not persisted.
    Do you have any ideas? I tried to find an example that persist data in cluster using R&R and found nothing.
    Thanks a lot in advance
    Best Regards
    Lazara

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