Java Utililty Methods HTTP Request

List of utility methods to do HTTP Request

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Description

The list of methods to do HTTP Request are organized into topic(s).

Method

voidaddRequestProperties(final Map requestProperties, final HttpURLConnection connection)
Copies request properties to a connection. 
if (requestProperties != null) {
    for (Entry<String, String> entry : requestProperties.entrySet()) {
        connection.addRequestProperty(entry.getKey(), entry.getValue());
StringdoHttpRequest(String action, URL url, String body, String... args)
_more_ 
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setInstanceFollowRedirects(false);
connection.setRequestMethod(action);
connection.setRequestProperty("charset", "utf-8");
for (int i = 0; i < args.length; i += 2) {
    connection.setRequestProperty(args[i], args[i + 1]);
...
StringgetContent(String requestUrl)
get Content 
InputStream inputStream = null;
HttpURLConnection httpUrlConn = null;
BufferedReader bufferedReader = null;
InputStreamReader inputStreamReader = null;
try {
    URL url = new URL(requestUrl);
    httpUrlConn = (HttpURLConnection) url.openConnection();
    httpUrlConn.setDoInput(true);
...
StringgetDataFromRequestViaPost(String request, String urlParameters)
Gets data using HTTP POST method. 
HttpURLConnection con = (HttpURLConnection) new URL(request).openConnection();
con.setDoOutput(true);
con.setDoInput(true);
con.setInstanceFollowRedirects(false);
con.setRequestMethod("POST");
con.setRequestProperty("charset", "utf-8");
con.setRequestProperty("Content-Length", Integer.toString(urlParameters.getBytes().length));
con.setUseCaches(false);
...
StringgetOutputFromUrlConnection(String stringUrl, String requestProperty)
get Output From Url Connection 
String outputString = null;
try {
    URL url = new URL(stringUrl);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.setRequestProperty("Accept", requestProperty);
    conn.connect();
    if (conn.getResponseCode() != 200) {
...
StringgetRequest(String urlString)
get Request 
StringBuilder result = new StringBuilder();
URL url = null;
BufferedReader rd = null;
HttpURLConnection conn = null;
try {
    url = new URL(urlString);
} catch (MalformedURLException e) {
    e.printStackTrace();
...
HttpURLConnectiongetRequest(URL url, int timeout)
get Request 
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setConnectTimeout(timeout);
conn.setReadTimeout(timeout);
return conn;
StringgetRequestContent(String urlText)
get Request Content 
URL url = new URL(urlText);
HttpURLConnection urlcon = (HttpURLConnection) url.openConnection();
urlcon.setRequestMethod("POST");
urlcon.setUseCaches(false);
urlcon.setDoOutput(true);
PrintStream ps = new PrintStream(urlcon.getOutputStream());
ps.close();
urlcon.connect();
...
StringmakeUrlRequest(String surl, String data, String method)
make Url Request 
URL url = new URL(surl);
HttpURLConnection con;
con = (HttpURLConnection) url.openConnection();
con.setRequestMethod(method);
con.setRequestProperty("User-Agent", "EBA Client");
con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");
con.setDoOutput(true);
DataOutputStream wr = new DataOutputStream(con.getOutputStream());
...
voidrequest(boolean quiet, String method, URL url, Map body)
request 
if (!quiet) {
    System.out.println("[issuing request: " + method + " " + url + "]");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod(method);
byte buffer[] = new byte[8192];
int read = 0;
if (body != null) {
...