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();
}
}
// getConnectionInfiniteCookie
public static String getConnectionInfiniteCookie(URLConnection urlConnection) {
Map<String, List<String>> headers = urlConnection.getHeaderFields();
Set<Map.Entry<String, List<String>>> entrySet = headers.entrySet();
for (Map.Entry<String, List<String>> entry : entrySet) {
String headerName = entry.getKey();
if (headerName != null && headerName.equals("Set-Cookie")) {
List<String> headerValues = entry.getValue();
for (String value : headerValues) {
if (value.contains("infinitecookie")) {
int equalsLoc = value.indexOf("=");
int semicolonLoc = value.indexOf(";");
return value.substring(equalsLoc + 1, semicolonLoc);
}
}
}
}
return null;
} // TESTED