Extract string from http response in java client

Question

I want to extract the string returned from java web service in java client. The string returned from java web service is as follows:

{"Name":"Raj Johri","Email":"[email protected]","status":true}

Which is a Json string format. I have written client code to extract this string as follows:

public static void main(String[] args) throws Exception{
    DefaultHttpClient httpClient = new DefaultHttpClient();
    HttpPost post = new HttpPost("http://localhost:8080/JsonWebService/services/JsonWebService/getData");
    post.setHeader("Content-Type", "application/xml");
    HttpResponse httpres = httpClient.execute(post);
    HttpEntity entity = httpres.getEntity();
    String json = EntityUtils.toString(entity).toString();
    System.out.println("json:" + json);
}

I am getting following print on the console for json as:

json:<ns:getDataResponse xmlns:ns="http://ws.jsonweb.com"><ns:return>{"Name":"Raj Johri","Email":"[email protected]","status":true}</ns:return></ns:getDataResponse>

Please tell me how to extract the string

{"Name":"Raj Johri","Email":"[email protected]","status":true}

which is the actual message. Thanks in advance...

Ahmad MOUSSA · Accepted Answer · 2014-12-17 09:53:52Z

1

Well, The respons is as type of xml, and your json is in the <ns:return> node , so i suggest you to enter in depth of the xml result and simply get your json from the <ns:return> node.

Note: I suggest you to try to specifying that you need the response as JSON type:

post.setHeader("Content-type", "application/json");
post.setHeader("Accept", "application/json");

answered Dec 17, 2014 at 9:53

Ahmad MOUSSA

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1 Comment

RAJ JOHRI Over a year ago

Thanks for response. I tried that but gives an exception xml:lang="en-US">com.ctc.wstx.exc.WstxEOFException

Yazan · Accepted Answer · 2014-12-17 09:56:22Z

0

There is a dirty way to do this (beside the xml parsing way) if you are getting the same XML every time, you can use split()

String parts[] = json.split("<ns:return>");
parts = parts[1].split("</ns:return>");
String jsonPart = parts[0];

now jsonPart should contain only {"Name":"Raj Johri","Email":"[email protected]","status":true}

answered Dec 17, 2014 at 9:56

Yazan

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