Http 송수신 HttpClient

출처-Http 송수신 HttpClient 

 

POST 방식 예제

01	import org.apache.commons.httpclient.HttpClient;

02	import org.apache.commons.httpclient.HttpStatus;

03	import org.apache.commons.httpclient.methods.PostMethod;

04

05	import java.io.BufferedReader;

06	import java.io.InputStreamReader;

07

08	public class PostMethodExample {

09	public static void main(String args[]) {

10	HttpClient client = new HttpClient();

11	client.getParams().setParameter("http.useragent", "Test Client");

12	BufferedReader br = null;

13	PostMethod method = new PostMethod("http://search.yahoo.com/search");

14	method.addParameter("p", "\"java2s\"");

15

try{

16	int returnCode = client.executeMethod(method);

17

18	if(returnCode == HttpStatus.SC_NOT_IMPLEMENTED) {

19	System.err.println("The Post method is not implemented by this URI");

20	// still consume the response body

21	method.getResponseBodyAsString();

22

} else {

23	br = new BufferedReader(newInputStreamReader(method.getResponseBodyAsStream()));

24	String readLine;

25	while(((readLine = br.readLine()) != null)) {

26	System.err.println(readLine);

27

}

28

}

29	} catch (Exception e) {

30	System.err.println(e);

31	} finally {

32	method.releaseConnection();

33	if(br != null) try { br.close(); } catch (Exception fe) {}

34

}

35

}

결과 받는 다른 예제)

byte[] responseBody = method.getResponseBody();
   method.getRequestEntity();
   String xml = new String(responseBody);

   SAXBuilder builder = new SAXBuilder();
   Document doc = builder.build(new StringReader(xml));
   Element root = doc.getRootElement();

String ResponseValue = root.getChild("ResponseValue").getValue();