Calling REST Web Services with Android

Requesting REST web service:   you request REST web services by calling a URL with the parameters. like this

http://example.com/resources/getitems

an example of calling a REST web service:

String callWebErvice(String serviceURL){
 // http get client
 HttpClient client=new DefaultHttpClient();
 HttpGet getRequest=new HttpGet();
 
 try {
 // construct a URI object
 getRequest.setURI(new URI(serviceURL));
 } catch (URISyntaxException e) {
 Log.e("URISyntaxException", e.toString());
 }
 
 // buffer reader to read the response
 BufferedReader in=null;
 // the service response
 HttpResponse response=null;
 try {
 // execute the request
 response = client.execute(getRequest);
 } catch (ClientProtocolException e) {
 Log.e("ClientProtocolException", e.toString());
 } catch (IOException e) {
 Log.e("IO exception", e.toString());
 }
 try {
 in=new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
 } catch (IllegalStateException e) {
 Log.e("IllegalStateException", e.toString());
 } catch (IOException e) {
 Log.e("IO exception", e.toString());
 }
 StringBuffer buff=new StringBuffer("");
 String line="";
 try {
 while((line=in.readLine())!=null)
 {
 buff.append(line);
 }
 } catch (IOException e) {
 Log.e("IO exception", e.toString());
 return e.getMessage();
 }
 
 
 try {
 in.close();
 } catch (IOException e) {
 Log.e("IO exception", e.toString());
 }
 // response, need to be parsed
 return buff.toString();
 }

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