Getting the right type/encoding from a java HTTP response

Question

I am using the java.net.* libraries and need help getting the right type/encoding back from the server. To clarify, I know my server-side program returns the double value of 0.0 and when I do:

OutputStream output = httpConn.getOutputStream()
output.write(query.getBytes(charset))              //where query contains the URL arguments and charset is UTF-8
InputStream response = httpConn.getInputstream();
response.read();

I get the integer value 48 which I know is the ASCII value of 0. What can I do to always ensure that I get a value of type Double?

Carlos Miranda · Accepted Answer · 2014-11-07 04:10:54Z

1

InputStream.read() returns the next byte that comes from the stream. Double value types are 64-bits long (8 bytes).

Maybe you need DataInputStream? http://docs.oracle.com/javase/7/docs/api/java/io/DataInputStream.html

InputStream response = new DataInputStream(httpConn.getInputstream());
double result = response.readDouble();

answered Nov 7, 2014 at 4:10

Carlos Miranda

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