package examples;
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import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.Writer;
import org.apache.commons.net.io.Util;
import org.apache.commons.net.nntp.NNTPClient;
import org.apache.commons.net.nntp.NNTPReply;
import org.apache.commons.net.nntp.SimpleNNTPHeader;
/***
* This is an example program using the NNTP package to post an article
* to the specified newsgroup(s). It prompts you for header information and
* a filename to post.
* <p>
***/
public final class post
{
public final static void main(String[] args)
{
String from, subject, newsgroup, filename, server, organization;
String references;
BufferedReader stdin;
FileReader fileReader = null;
SimpleNNTPHeader header;
NNTPClient client;
if (args.length < 1)
{
System.err.println("Usage: post newsserver");
System.exit(1);
}
server = args[0];
stdin = new BufferedReader(new InputStreamReader(System.in));
try
{
System.out.print("From: ");
System.out.flush();
from = stdin.readLine();
System.out.print("Subject: ");
System.out.flush();
subject = stdin.readLine();
header = new SimpleNNTPHeader(from, subject);
System.out.print("Newsgroup: ");
System.out.flush();
newsgroup = stdin.readLine();
header.addNewsgroup(newsgroup);
while (true)
{
System.out.print("Additional Newsgroup <Hit enter to end>: ");
System.out.flush();
// Of course you don't want to do this because readLine() may be null
newsgroup = stdin.readLine().trim();
if (newsgroup.length() == 0)
break;
header.addNewsgroup(newsgroup);
}
System.out.print("Organization: ");
System.out.flush();
organization = stdin.readLine();
System.out.print("References: ");
System.out.flush();
references = stdin.readLine();
if (organization != null && organization.length() > 0)
header.addHeaderField("Organization", organization);
if (references != null && organization.length() > 0)
header.addHeaderField("References", references);
header.addHeaderField("X-Newsreader", "NetComponents");
System.out.print("Filename: ");
System.out.flush();
filename = stdin.readLine();
try
{
fileReader = new FileReader(filename);
}
catch (FileNotFoundException e)
{
System.err.println("File not found. " + e.getMessage());
System.exit(1);
}
client = new NNTPClient();
client.addProtocolCommandListener(new PrintCommandListener(
new PrintWriter(System.out)));
client.connect(server);
if (!NNTPReply.isPositiveCompletion(client.getReplyCode()))
{
client.disconnect();
System.err.println("NNTP server refused connection.");
System.exit(1);
}
if (client.isAllowedToPost())
{
Writer writer = client.postArticle();
if (writer != null)
{
writer.write(header.toString());
Util.copyReader(fileReader, writer);
writer.close();
client.completePendingCommand();
}
}
fileReader.close();
client.logout();
client.disconnect();
}
catch (IOException e)
{
e.printStackTrace();
System.exit(1);
}
}
}