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<TITLE>Sending a POST Request Using a URL
(Java Developers Almanac Example)
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<h3>
e135.
Sending a POST Request Using a URL</h3>
See also <a href="../java.net/PostSocket.html" class="eglink"><font size="-1"><b>e1070</b> Sending a POST Request Using a Socket</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");
// Send data
URL url = new URL(<font color="#0066ff"><i>"http://hostname:80/cgi"</i></font>);
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
wr.write(data);
wr.flush();
// Get the response
BufferedReader rd = new BufferedReader(new InputStreamReader(conn.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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e132. <a class="eglink" href="CreateURL.html?l=rel">
Creating a URL
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e133. <a class="eglink" href="Url2Uri.html?l=rel">
Converting Between a URL and a URI
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e134. <a class="eglink" href="ParseURL.html?l=rel">
Parsing a URL
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e136. <a class="eglink" href="ReadFromURL.html?l=rel">
Getting Text from a URL
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e137. <a class="eglink" href="GetImage.html?l=rel">
Getting an Image from a URL
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e138. <a class="eglink" href="JarUrl.html?l=rel">
Getting a Jar File Using a URL
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e139. <a class="eglink" href="Auth.html?l=rel">
Accessing a Password-Protected URL
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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
</a>
<a class="eglink" href="/egs/java.net/pkg.html?l=rel#Sockets">
Sockets
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