public static String sendGet(String url, String params) {
String result = "";
BufferedReader in = null;
try {
String urlName = url + "?" + params;
URL realUrl = new URL(urlName);
URLConnection conn = realUrl.openConnection();
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty(
"user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)");
conn.connect();
Map<String, List<String>> map = conn.getHeaderFields();
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += "\n" + line;
}
} catch (Exception e) {
e.printStackTrace();
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
return result;
}
public void fun(URLConnection connection) {
try {
connection.connect();
// print header fields
Map<String, List<String>> headers = connection.getHeaderFields();
for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
String key = entry.getKey();
for (String value : entry.getValue()) System.out.println(key + ": " + value);
}
// print convenience functions
System.out.println("----------");
System.out.println("getContentType: " + connection.getContentType());
System.out.println("getContentLength: " + connection.getContentLength());
System.out.println("getContentEncoding: " + connection.getContentEncoding());
System.out.println("getDate: " + connection.getDate());
System.out.println("getExpiration: " + connection.getExpiration());
System.out.println("getLastModifed: " + connection.getLastModified());
System.out.println("----------");
Scanner in = new Scanner(connection.getInputStream());
// print first ten lines of contents
for (int n = 1; in.hasNextLine() && n <= 10; n++) System.out.println(in.nextLine());
if (in.hasNextLine()) System.out.println(". . .");
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws IOException {
URLConnectionTest u = new URLConnectionTest();
String urlName = "http://localhost/~huahan/PPServer/index.php/blog/index";
URL url = new URL(urlName);
URLConnection connection = url.openConnection();
connection.connect();
for (int i = 0; i < 10; i++) u.fun(connection);
}
private void sendFile(InputStream in, URLConnection conn) throws IOException {
conn.connect();
OutputStream out = conn.getOutputStream();
try {
StreamUtils.copyStream(in, out, IO_BUFFER_SIZE);
} finally {
out.close();
}
}
private TrackerInfo doRequest(
String announce,
String infoHash,
String peerID,
long uploaded,
long downloaded,
long left,
String event)
throws IOException {
String s =
announce
+ "?info_hash="
+ infoHash
+ "&peer_id="
+ peerID
+ "&port="
+ port
+ "&uploaded="
+ uploaded
+ "&downloaded="
+ downloaded
+ "&left="
+ left
+ ((event != NO_EVENT) ? ("&event=" + event) : "");
URL u = new URL(s);
if (Snark.debug >= Snark.INFO) Snark.debug("Sending TrackerClient request: " + u, Snark.INFO);
URLConnection c = u.openConnection();
c.connect();
InputStream in = c.getInputStream();
if (c instanceof HttpURLConnection) {
// Check whether the page exists
int code = ((HttpURLConnection) c).getResponseCode();
if (code / 100 != 2) // We can only handle 200 OK responses
throw new IOException(
"Loading '" + s + "' gave error code " + code + ", it probably doesn't exists");
}
TrackerInfo info = new TrackerInfo(in, coordinator.getID(), coordinator.getMetaInfo());
if (Snark.debug >= Snark.INFO) Snark.debug("TrackerClient response: " + info, Snark.INFO);
lastRequestTime = System.currentTimeMillis();
String failure = info.getFailureReason();
if (failure != null) throw new IOException(failure);
interval = info.getInterval() * 1000;
return info;
}