// get expiration date
d = hpCon.getExpiration();
if(d==0)
System.out.println("No expiration information.");
else
System.out.println("Expires: " + new Date(d));
// get last-modified date
d = hpCon.getLastModified();
if(d==0)
System.out.println("No last-modified information.");
else
System.out.println("Last-Modified: " + new Date(d));
// get content length
int len = hpCon.getContentLength();
if(len == -1)
System.out.println("Content length unavailable.");
else
System.out.println("Content-Length: " + len);
if(len != 0) {
System.out.println("=== Content ===");
InputStream input = hpCon.getInputStream();
int i = len;
while (((c = input.read()) != -1)) { // && (--i > 0)) {
System.out.print((char) c);
}
input.close();
} else {
System.out.println("No content available.");
}
}
}
The program establishes an HTTP connection to www.internic.net over port 80. It then
displays several header values and retrieves the content. Here are the first lines of the
output (the precise output will vary over time).
Date: Thu Jun 08 14:41:35 CDT 2006
Content-Type: text/html
No expiration information.
Last-Modified: Wed Oct 05 19:49:29 CDT 2005
Content-Length: 4917
=== Content ===
<html>
<head>
<title>InterNIC | The Internet's Network Information Center</title>
<meta name="keywords"
content="internic,network information, domain registration">
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