FileDocCategorySizeDatePackage
NNTPUtils.javaAPI DocApache Commons NET 1.4.1 API2479Sat Dec 03 10:05:48 GMT 2005examples.nntp

NNTPUtils

public class NNTPUtils extends Object
Some convenience methods for NNTP example classes.
author
Rory Winston

Fields Summary
Constructors Summary
Methods Summary
public static org.apache.commons.net.nntp.Article[]getArticleInfo(org.apache.commons.net.nntp.NNTPClient client, int lowArticleNumber, int highArticleNumber)
Given an {@link NNTPClient} instance, and an integer range of messages, return an array of {@link Article} instances.

param
client
param
lowArticleNumber
param
highArticleNumber
return
Article[] An array of Article
throws
IOException

			Reader reader = null;
			Article[] articles = null;
			reader =
				(DotTerminatedMessageReader) client.retrieveArticleInfo(
					lowArticleNumber,
					highArticleNumber);

			if (reader != null) {
				String theInfo = readerToString(reader);
				StringTokenizer st = new StringTokenizer(theInfo, "\n");

				// Extract the article information
				// Mandatory format (from NNTP RFC 2980) is :
				// Subject\tAuthor\tDate\tID\tReference(s)\tByte Count\tLine Count

				int count = st.countTokens();
				articles = new Article[count];
				int index = 0;

				while (st.hasMoreTokens()) {
					StringTokenizer stt = new StringTokenizer(st.nextToken(), "\t");
					Article article = new Article();
					article.setArticleNumber(Integer.parseInt(stt.nextToken()));
					article.setSubject(stt.nextToken());
					article.setFrom(stt.nextToken());
					article.setDate(stt.nextToken());
					article.setArticleId(stt.nextToken());
					article.addHeaderField("References", stt.nextToken());
					articles[index++] = article;
				}
			} else {
				return null;
			}

			return articles;
public static java.lang.StringreaderToString(java.io.Reader reader)
Convert a {@link Reader} instance to a String

param
reader The Reader instance
return
String

		String temp = null;
		StringBuffer sb = null;
		BufferedReader bufReader = new BufferedReader(reader);

		sb = new StringBuffer();
		try {
			temp = bufReader.readLine();
			while (temp != null) {
				sb.append(temp);
				sb.append("\n");
				temp = bufReader.readLine();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}

		return sb.toString();