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<TITLE>Sending a POST Request Using a Socket
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<h3>
e1070.
Sending a POST Request Using a Socket</h3>
See also <a href="../java.net/Post.html" class="eglink"><font size="-1"><b>e135</b> Sending a POST Request Using a URL</font></a>.
<pre>
try {
// Construct data
String data = URLEncoder.encode(<font color="#0066ff"><i>"key1"</i></font>, "UTF-8") + "=" + URLEncoder.encode(<font color="#0066ff"><i>"value1"</i></font>, "UTF-8");
data += "&" + URLEncoder.encode(<font color="#0066ff"><i>"key2"</i></font>, "UTF-8") + "=" + URLEncoder.encode(<font color="#0066ff"><i>"value2"</i></font>, "UTF-8");
// Create a socket to the host
String hostname = <font color="#0066ff"><i>"hostname.com"</i></font>;
int port = <font color="#0066ff"><i>80</i></font>;
InetAddress addr = InetAddress.getByName(hostname);
Socket socket = new Socket(addr, port);
// Send header
String path = <font color="#0066ff"><i>"/servlet/SomeServlet"</i></font>;
BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"));
wr.write("POST "+path+" HTTP/1.0\r\n");
wr.write("Content-Length: "+data.length()+"\r\n");
wr.write("Content-Type: application/x-www-form-urlencoded\r\n");
wr.write("\r\n");
// Send data
wr.write(data);
wr.flush();
// Get response
BufferedReader rd = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String line;
while ((line = rd.readLine()) != null) {
// Process line...
}
wr.close();
rd.close();
} catch (Exception e) {
}
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Related Examples
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e147. <a class="eglink" href="CreateClientSocket.html?l=rel">
Creating a Client Socket
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e148. <a class="eglink" href="CreateServerSocket.html?l=rel">
Creating a Server Socket
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e149. <a class="eglink" href="ReadFromSocket.html?l=rel">
Reading Text from a Socket
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e150. <a class="eglink" href="WriteTextToSocket.html?l=rel">
Writing Text to a Socket
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See also:
<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Datagram">
Datagram
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Encodings">
Encodings
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#HTTP">
HTTP
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Hostnames%20and%20IP%20Addresses">
Hostnames and IP Addresses
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Multicast">
Multicast
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<a class="eglink" href="/egs/java.net/pkg.html?l=rel#URLs">
URLs
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