callback({"IBM":"82.53"});

var script = document.createElement("script");
script.src = 'http://remoteserver/stockquote?symbol=IBM&callback=renderQuotes';
script.type = 'text/javascript';
document.body.appendChild(script);

package com.pathf.demo.jsonideas;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.XML;
import org.json.JSONException;
import java.io.IOException;

public class RSSGetter {
private HttpClient httpClient;
private Log log = LogFactory.getLog(RSSGetter.class);

public RSSGetter() {
httpClient = new HttpClient(new MultiThreadedHttpConnectionManager());
}

public String getRSS(String uri) {
// we get it as a string, since the JSON lib doesn't handle streams
GetMethod get = new GetMethod(uri);
get.setFollowRedirects(true);
try {
httpClient.executeMethod(get);
return get.getResponseBodyAsString();
} catch (IOException e) {
log.error("Problem getting rss feed " + uri, e);
return "Problem getting RSS feed";
}
}

public String getJSONRSS(String uri) {
try {
return XML.toJSONObject(getRSS(uri)).toString();
} catch (JSONException e) {
e.printStackTrace();  //To change body of catch statement use File | Settings | File Templates.
return "{\"Result\":\"Error\"}";
}
}
}

package com.pathf.demo.jsonideas;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletException;
import javax.servlet.ServletConfig;
import java.io.IOException;

public class NYCResumeServlet extends HttpServlet {
private RSSGetter rss = null;
private static final String NYC_RESUMES = "http://newyork.craigslist.org/res/index.rss";

protected void doGet(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse) throws ServletException, IOException {
httpServletResponse.setContentType("text/javascript");
String callback = httpServletRequest.getParameter("callback");
String json = rss.getJSONRSS(NYC_RESUMES);
if (callback == null) {
httpServletResponse.getOutputStream().println(json);
} else {
httpServletResponse.getOutputStream().println(callback + "(" + json + ");");
}
}

public void init(ServletConfig servletConfig) throws ServletException {
super.init(servletConfig);
rss = new RSSGetter();
}
}