Java Utililty Methods HTTP Get

List of utility methods to do HTTP Get

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Description

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

Method

StringgetJsonFromUrl(String url)
get Json From Url 
URL urll = new URL(url);
HttpURLConnection conn = (HttpURLConnection) urll.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Accept", "application/json");
if (conn.getResponseCode() != 200) {
    throw new RuntimeException("Failed : HTTP error code : " + conn.getResponseCode());
BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
...
StringhttpGet(String httpUrl)
http Get 
BufferedReader input = null;
StringBuilder sb = null;
URL url = null;
HttpURLConnection con = null;
try {
    url = new URL(httpUrl);
    try {
        con = (HttpURLConnection) url.openConnection();
...
byte[]httpGet(String url)
http Get 
try {
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    con.setRequestProperty("User-Agent", "Mozilla/5.0");
    InputStream in = con.getInputStream();
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    while (in.available() > 0)
        out.write(in.read());
...
StringhttpGet(String url, boolean logStdout)
Retrieve a text-based document using HTTP GET method.
May be used to retrieve XML documents, news feeds, etc. 
final int bufferSize = 4096;
BufferedReader br = null;
HttpURLConnection urlc = null;
StringBuffer buffer = new StringBuffer();
URL page = new URL(url);
try {
    if (logStdout)
        System.err.println("Waiting for reply...:" + url);
...
inthttpGet(String url, StringBuffer response)
http Get 
URL obj = new URL(url);
HttpURLConnection con = (HttpURLConnection) obj.openConnection();
con.setRequestMethod("GET");
int responseCode = con.getResponseCode();
if (response != null && responseCode == 200 ) {
    try (BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()))) {
        String inputLine;
        while ((inputLine = in.readLine()) != null) {
...
StringhttpGet(String urlStr)
http Get 
URL url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
if (conn.getResponseCode() != 200)
    throw new IOException(conn.getResponseMessage());
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
StringBuilder sb = new StringBuilder();
String line;
while ((line = rd.readLine()) != null)
...
StringhttpGet(String urlStr)
http Get 
URL url = new URL(urlStr);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setDoOutput(true);
conn.connect();
return getHttpResponse(conn, 200);
StringhttpGet(String urlToRead)
Performs synchronous HTTP GET request, returns the response. 
return httpGet(urlToRead, Proxy.NO_PROXY);
StringhttpGetString(String url)
http Get String 
StringBuilder result = new StringBuilder();
HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
conn.setRequestMethod("GET");
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String line;
while ((line = rd.readLine()) != null) {
    result.append(line);
rd.close();
return result.toString();
ListreadUrl(final String strUrl)
read Url 
final List<String> ret = new ArrayList<String>();
try {
    URL url = new URL(strUrl);
    HttpURLConnection c = (HttpURLConnection) url.openConnection();
    InputStream in = c.getInputStream();
    if (in != null) {
        StringBuilder sb = new StringBuilder();
        String line;
...