Java Utililty Methods URL Post

List of utility methods to do URL Post

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URL Post

Description

The list of methods to do URL Post are organized into topic(s).

Method

String post(JSONObject json, String url)
POST mechanism

String query = json.toString();
URLConnection connection;
try {
 connection = new URL(url).openConnection();
 connection.setDoOutput(true); 
 connection.setRequestProperty("Accept-Charset", CHARSET);
 connection.setRequestProperty("Content-Type", "application/json;charset=" + CHARSET);
 try (OutputStream output = connection.getOutputStream()) {
...

String post(String url, Map parameters)
post

URLConnection connection = new URL(url).openConnection();
connection.setRequestProperty("User-Agent",
 "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36");
connection.setDoOutput(true);
connection.setDoInput(true);
OutputStreamWriter osw = new OutputStreamWriter(connection.getOutputStream());
osw.write(parametersToWWWFormURLEncoded(parameters));
osw.flush();
...

String post(String url, String content)
post

try {
 URLConnection conn = new URL(url).openConnection();
 conn.setDoOutput(true);
 BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(conn.getOutputStream()));
 bw.write(content);
 bw.close();
 BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
 String result = "";
...

String post(String url, String content)
post

URL u = new URL(url);
URLConnection c = u.openConnection();
c.setDoOutput(true);
writeToStream(c.getOutputStream(), content);
return getStreamContent(c.getInputStream());

String post(String urlstr, String[] params)
post

try {
 StringBuffer param = new StringBuffer();
 for (int i = 0; i < params.length; i += 2) {
 param.append(URLEncoder.encode(params[i], "UTF-8") + "=" + URLEncoder.encode(params[i + 1], "UTF-8")
 + "&");
 URL url = new URL(urlstr);
 URLConnection conn = url.openConnection();
...

String post(String urlString, HashMap values)
post

StringBuffer retval = new StringBuffer();
URL url = new URL(urlString);
StringBuffer data = new StringBuffer();
for (String key : values.keySet()) {
 data.append(URLEncoder.encode(key, "UTF-8") + "=");
 data.append(URLEncoder.encode(values.get(key), "UTF-8") + "&");
URLConnection conn = url.openConnection();
...

String postData(String urlStr, String data)
post Data

return postData(urlStr, data, null);

String postData(URL base, String urlAddress, Map data)
post Data

URL url = new URL(base, urlAddress);
return postData(url, data);

String postForString(URL url, String data)
post For String

String result = "";
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write(data);
wr.flush();
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
...

void postRequest(URLConnection conn, Map nameValuePairs)
post Request

if (nameValuePairs != null) {
 if (useStdHeaders)
 for (int i = 0; i < stdReqHdr.length - 1; i++)
 conn.setRequestProperty(stdReqHdr[i], stdReqHdr[i + 1]);
 PrintWriter out = new PrintWriter(conn.getOutputStream());
 out.print(encodeParams(nameValuePairs));
 out.close();