estoy desarrollando una aplicación en blackberry versión 5.0, e importé todas las bibliotecas que requieren json en 5.0.Análisis de Json en Blackberry 5.0
que tuve biblioteca descarga desde esta url http://supportforums.blackberry.com/t5/Java-Development/JSON-library/td-p/573687
aun no recibo respuesta, lo que tenía faltar en este código por favor ayúdame.
A continuación se muestra mi código para el análisis json.
package mypackage;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import JSON_ME_Library.src.org.json.me.JSONArray;
import JSON_ME_Library.src.org.json.me.JSONException;
import JSON_ME_Library.src.org.json.me.JSONObject;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.component.Dialog;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.container.MainScreen;
public final class MyScreen extends MainScreen
{
String url="http://www.appymail.com/iphone-messenger/456842/";
public MyScreen()
{
setTitle("Json Parsing Sample");
String aa=jsonresponse(url);
if(aa.equalsIgnoreCase(""))
{
add(new LabelField("NO res"));
}
else
{
parseJSONResponceInBB(aa);
}
}
void parseJSONResponceInBB(String jsonInStrFormat)
{
try {
JSONObject json = new JSONObject(jsonInStrFormat);
JSONArray jArray= json.getJSONArray("messages");
//JSONArray arr=jArray.getJSONArray(0);
for(int i=0;i<jArray.length();i++)
{
JSONObject j = jArray.getJSONObject(i);
String from = j.getString("id");
add(new LabelField("id=="+from));
String to =j.getString("title");
add(new LabelField("title=="+to));
String message=j.getString("body");
add(new LabelField("Body=="+message));
}
} catch (JSONException e)
{
e.printStackTrace();
}
}
public static String jsonresponse (String url)
{
String response = null;
HttpConnection httpConnection = null;
InputStream inStream = null;
int code;
StringBuffer stringBuffer = new StringBuffer();
try {
httpConnection = (HttpConnection) Connector.open(url, Connector.READ);
httpConnection.setRequestMethod(HttpConnection.GET);
code = httpConnection.getResponseCode();
if(code == HttpConnection.HTTP_OK)
{
inStream=httpConnection.openInputStream();
int c;
while((c=inStream.read())!=-1)
{
stringBuffer.append((char)c);
}
response=stringBuffer.toString();
System.out.println("Response Getting from Server is ================" + response);
}
else
{
UiApplication.getUiApplication().invokeLater(new Runnable()
{
public void run()
{
Dialog.inform("Connection error");
}
});
}
}
catch (Exception e)
{
System.out.println("caught exception in jsonResponse method"+e.getMessage());
}
finally
{
// if (outputStream != null)
// {
// outputStream.close();
// }
if (inStream != null)
{
try {
inStream.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
if (httpConnection != null)
{
try {
httpConnection.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
return response;
}
}
Gracias! Tu código me ayudó a resolver mi problema :) – yanike