Example usage for org.apache.commons.net.nntp NewsgroupInfo NewsgroupInfo

Introduction

In this page you can find the example usage for org.apache.commons.net.nntp NewsgroupInfo NewsgroupInfo.

Prototype

NewsgroupInfo

Source Link

Usage

From source file:examples.nntp.ArticleReader.java

public static void main(String[] args) throws SocketException, IOException {

    if (args.length != 2 && args.length != 3 && args.length != 5) {
        System.out.println(/*from  ww  w. ja  va2  s  .  c  o  m*/
                "Usage: MessageThreading <hostname> <groupname> [<article specifier> [<user> <password>]]");
        return;
    }

    String hostname = args[0];
    String newsgroup = args[1];
    // Article specifier can be numeric or Id in form <m.n.o.x@host>
    String articleSpec = args.length >= 3 ? args[2] : null;

    NNTPClient client = new NNTPClient();
    client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
    client.connect(hostname);

    if (args.length == 5) { // Optional auth
        String user = args[3];
        String password = args[4];
        if (!client.authenticate(user, password)) {
            System.out.println("Authentication failed for user " + user + "!");
            System.exit(1);
        }
    }

    NewsgroupInfo group = new NewsgroupInfo();
    client.selectNewsgroup(newsgroup, group);

    BufferedReader br;
    String line;
    if (articleSpec != null) {
        br = (BufferedReader) client.retrieveArticleHeader(articleSpec);
    } else {
        long articleNum = group.getLastArticleLong();
        br = client.retrieveArticleHeader(articleNum);
    }
    if (br != null) {
        while ((line = br.readLine()) != null) {
            System.out.println(line);
        }
        br.close();
    }
    if (articleSpec != null) {
        br = (BufferedReader) client.retrieveArticleBody(articleSpec);
    } else {
        long articleNum = group.getLastArticleLong();
        br = client.retrieveArticleBody(articleNum);
    }
    if (br != null) {
        while ((line = br.readLine()) != null) {
            System.out.println(line);
        }
        br.close();
    }
}

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From source file:examples.nntp.MessageThreading.java

public static void main(String[] args) throws SocketException, IOException {

    if (args.length != 2 && args.length != 4) {
        System.out.println("Usage: MessageThreading <hostname> <groupname> [<user> <password>]");
        return;/*from www . j ava  2s. co m*/
    }

    String hostname = args[0];
    String newsgroup = args[1];

    NNTPClient client = new NNTPClient();
    client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
    client.connect(hostname);

    if (args.length == 4) { // Optional auth
        String user = args[2];
        String password = args[3];
        if (!client.authenticate(user, password)) {
            System.out.println("Authentication failed for user " + user + "!");
            System.exit(1);
        }
    }

    String fmt[] = client.listOverviewFmt();
    if (fmt != null) {
        System.out.println("LIST OVERVIEW.FMT:");
        for (String s : fmt) {
            System.out.println(s);
        }
    } else {
        System.out.println("Failed to get OVERVIEW.FMT");
    }
    NewsgroupInfo group = new NewsgroupInfo();
    client.selectNewsgroup(newsgroup, group);

    long lowArticleNumber = group.getFirstArticleLong();
    long highArticleNumber = lowArticleNumber + 5000;

    System.out
            .println("Retrieving articles between [" + lowArticleNumber + "] and [" + highArticleNumber + "]");
    Iterable<Article> articles = client.iterateArticleInfo(lowArticleNumber, highArticleNumber);

    System.out.println("Building message thread tree...");
    Threader threader = new Threader();
    Article root = (Article) threader.thread(articles);

    Article.printThread(root, 0);
}

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From source file:examples.nntp.ExtendedNNTPOps.java

private void demo(String host, String user, String password) {
    try {/*  ww w. ja  v a 2  s.  c  o m*/
        client.connect(host);

        // AUTHINFO USER/AUTHINFO PASS
        if (user != null && password != null) {
            boolean success = client.authenticate(user, password);
            if (success) {
                System.out.println("Authentication succeeded");
            } else {
                System.out.println("Authentication failed, error =" + client.getReplyString());
            }
        }

        // XOVER
        NewsgroupInfo testGroup = new NewsgroupInfo();
        client.selectNewsgroup("alt.test", testGroup);
        long lowArticleNumber = testGroup.getFirstArticleLong();
        long highArticleNumber = lowArticleNumber + 100;
        Iterable<Article> articles = client.iterateArticleInfo(lowArticleNumber, highArticleNumber);

        for (Article article : articles) {
            if (article.isDummy()) { // Subject will contain raw response
                System.out.println("Could not parse: " + article.getSubject());
            } else {
                System.out.println(article.getSubject());
            }
        }

        // LIST ACTIVE
        NewsgroupInfo[] fanGroups = client.listNewsgroups("alt.fan.*");
        for (NewsgroupInfo fanGroup : fanGroups) {
            System.out.println(fanGroup.getNewsgroup());
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:com.almarsoft.GroundhogReader.lib.NNTPExtended.java

public long[] getGroupArticles(String group, long fromArticle, int limit) throws IOException {

    Vector<Long> list;
    long firstToGet, firstArticle, lastArticle;
    NewsgroupInfo groupInfo = new NewsgroupInfo();

    if (!selectNewsgroup(group, groupInfo))
        return null;

    firstArticle = groupInfo.getFirstArticle();
    lastArticle = groupInfo.getLastArticle();

    if (firstArticle == 0 && lastArticle == 0)
        return new long[0];

    // First sync with this group; see the comment below 
    if (fromArticle == -1)
        firstToGet = firstArticle;/*from   w  w  w .j a  va2s  .  c o  m*/

    else {
        if (fromArticle > lastArticle) { // No new articles
            return new long[0];
        } else {
            firstToGet = fromArticle;
        }
    }

    // Now select the first article and start looping until limit or last article reached
    ArticlePointer art = new ArticlePointer();

    list = new Vector<Long>(limit);

    // FIRST CONNECTION TO THE GROUP
    // If this is the first connection we only want the last "limit" articles from the group, 
    // so we ask for the last message and go backwards until we have "limit" articles or 
    // the first one.
    if (fromArticle == -1) {
        if (!selectArticle(lastArticle, art))
            return new long[0];

        for (int i = 0; i < limit; i++) {
            list.insertElementAt((long) art.articleNumber, 0);

            if (art.articleNumber == firstToGet)
                break;

            if (!selectPreviousArticle(art))
                break;
        }
    }

    // NON-FIRST CONNECTION TO THE GROUP
    // For normal non-first connection we start with the last article we got on the previous session and advance from that
    // until limit or last article reached
    else {
        if (!selectArticle(firstToGet, art))
            return new long[0];

        for (int i = 0; i <= limit; i++) {
            list.add((long) art.articleNumber);

            if (art.articleNumber == lastArticle)
                break;

            if (!selectNextArticle(art))
                break;
        }
    }
    int listSize = list.size();
    long[] articleNumbers = new long[listSize];

    for (int i = 0; i < listSize; i++) {
        articleNumbers[i] = list.get(i);
    }

    return articleNumbers;
}

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From source file:com.almarsoft.GroundhogReader.lib.ServerManager.java

public boolean selectNewsGroupConnecting(String group) throws IOException, ServerAuthException {
    mGroup = group;//from ww  w .  j  av  a2s  .co  m
    mGroupID = DBUtils.getGroupIdFromName(group, mContext);
    mBannedThreadsSet = DBUtils.getBannedThreads(group, mContext);

    clientConnectIfNot();

    mGroupInfo = new NewsgroupInfo();

    try {
        return mClient.selectNewsgroup(mGroup, mGroupInfo);
    } catch (IOException e) {
        connect();
        return mClient.selectNewsgroup(mGroup, mGroupInfo);
    }
}

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From source file:org.apache.common.net.examples.nntp.ExtendedNNTPOps.java

private void demo(String host, String user, String password) {
    try {//from   ww  w . j  a  v  a  2 s  .  com
        client.connect(host);

        // AUTHINFO USER/AUTHINFO PASS
        if (user != null && password != null) {
            boolean success = client.authenticate(user, password);
            if (success) {
                System.out.println("Authentication succeeded");
            } else {
                System.out.println("Authentication failed, error =" + client.getReplyString());
            }
        }

        // XOVER
        NewsgroupInfo testGroup = new NewsgroupInfo();
        client.selectNewsgroup("alt.test", testGroup);
        long lowArticleNumber = testGroup.getFirstArticleLong();
        long highArticleNumber = lowArticleNumber + 100;
        Iterable<Article> articles = client.iterateArticleInfo(lowArticleNumber, highArticleNumber);

        for (Article article : articles) {
            if (article.isDummy()) { // Subject will contain raw response
                System.out.println("Could not parse: " + article.getSubject());
            } else {
                System.out.println(article.getSubject());
            }
        }

        // LIST ACTIVE
        NewsgroupInfo[] fanGroups = client.listNewsgroups("alt.fan.*");
        for (int i = 0; i < fanGroups.length; ++i) {
            System.out.println(fanGroups[i].getNewsgroup());
        }

    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:org.apache.commons.net.examples.nntp.ArticleReader.java

public static void main(String[] args) throws SocketException, IOException {

    if (args.length != 2 && args.length != 3 && args.length != 5) {
        System.out.println(/*from   www. j ava 2  s  .com*/
                "Usage: MessageThreading <hostname> <groupname> [<article specifier> [<user> <password>]]");
        return;
    }

    String hostname = args[0];
    String newsgroup = args[1];
    // Article specifier can be numeric or Id in form <m.n.o.x@host>
    String articleSpec = args.length >= 3 ? args[2] : null;

    NNTPClient client = new NNTPClient();
    client.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out), true));
    client.connect(hostname);

    if (args.length == 5) { // Optional auth
        String user = args[3];
        String password = args[4];
        if (!client.authenticate(user, password)) {
            System.out.println("Authentication failed for user " + user + "!");
            System.exit(1);
        }
    }

    NewsgroupInfo group = new NewsgroupInfo();
    client.selectNewsgroup(newsgroup, group);

    BufferedReader brHdr;
    String line;
    if (articleSpec != null) {
        brHdr = (BufferedReader) client.retrieveArticleHeader(articleSpec);
    } else {
        long articleNum = group.getLastArticleLong();
        brHdr = client.retrieveArticleHeader(articleNum);
    }
    if (brHdr != null) {
        while ((line = brHdr.readLine()) != null) {
            System.out.println(line);
        }
        brHdr.close();
    }
    BufferedReader brBody;
    if (articleSpec != null) {
        brBody = (BufferedReader) client.retrieveArticleBody(articleSpec);
    } else {
        long articleNum = group.getLastArticleLong();
        brBody = client.retrieveArticleBody(articleNum);
    }
    if (brBody != null) {
        while ((line = brBody.readLine()) != null) {
            System.out.println(line);
        }
        brBody.close();
    }
}

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From source file:org.ossmeter.platform.communicationchannel.nntp.local.NntpUtil.java

public static NewsgroupInfo selectNewsgroup(NNTPClient client, NntpNewsGroup newsgroup) {
    String newsgroupName = newsgroup.getUrl().substring(newsgroup.getUrl().lastIndexOf("/") + 1);
    NewsgroupInfo newsgroupInfo = new NewsgroupInfo();
    try {//w  w  w  . ja v  a 2 s.  c o  m
        client.selectNewsgroup(newsgroupName, newsgroupInfo);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        System.err.println("IOException while selecting newsgroup: '" + newsgroupName + "': " + e.getMessage());
    }
    return newsgroupInfo;
}

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From source file:org.ossmeter.platform.communicationchannel.nntp.NntpUtil.java

public static NewsgroupInfo selectNewsgroup(NNTPClient client, NntpNewsGroup newsgroup) {
    String newsgroupName = newsgroup.getNewsGroupName();//newsgroup.getUrl().substring(newsgroup.getUrl().lastIndexOf("/") + 1);
    NewsgroupInfo newsgroupInfo = new NewsgroupInfo();
    try {//from   w  ww  .j a  va  2s.  c  o  m
        client.selectNewsgroup(newsgroupName, newsgroupInfo);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        System.err.println("IOException while selecting newsgroup: '" + newsgroupName + "': " + e.getMessage());
        e.printStackTrace();
    }
    return newsgroupInfo;
}

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From source file:org.rssowl.contrib.internal.nntp.NewsGroupHandler.java

public Pair<IFeed, IConditionalGet> reload(URI link, IProgressMonitor monitor, Map<Object, Object> properties)
        throws CoreException {
    IModelFactory factory = Owl.getModelFactory();

    /* Create a new empty feed from the existing one */
    IFeed feed = factory.createFeed(null, link);

    /* Retrieve last article pointer */
    Integer lastArticleId = getLastArticleId(properties);

    /* Create a new HttpClient */
    NNTPClient client = new NNTPClient();

    try {//  w  w  w  .ja  va 2s  .  co  m

        /* Support early cancellation */
        if (monitor.isCanceled())
            return null;

        /* Connect to Server */
        if (link.getPort() != -1)
            client.connect(link.getHost(), link.getPort());
        else
            client.connect(link.getHost());

        /* Set Timeout */
        setTimeout(client, properties);

        /* Support early cancellation */
        if (monitor.isCanceled())
            return null;

        /* Authentication if provided */
        setupAuthentication(link, client);

        /* Check Authentication Required */
        checkAuthenticationRequired(client);

        /* Support early cancellation */
        if (monitor.isCanceled())
            return null;

        /* Enable Reader Mode */
        client.sendCommand(MODE_READER);

        /* Support early cancellation */
        if (monitor.isCanceled())
            return null;

        /* Select Newsgroup */
        String newsgroup = link.getPath().replace("/", "");
        NewsgroupInfo groupInfo = new NewsgroupInfo();
        boolean selected = client.selectNewsgroup(newsgroup, groupInfo);

        /* Check Authentication Required */
        checkAuthenticationRequired(client);

        /* Check Newsgroup Selected */
        if (!selected)
            throwConnectionException("Unable to select Newsgroup", client);

        /* Support early cancellation */
        if (monitor.isCanceled())
            return null;

        /* First reload: Retrieve an initial amount of News */
        if (lastArticleId == null) {

            /* Set Article Pointer to last Article */
            int status = client.stat(groupInfo.getLastArticle());
            if (status != STATUS_ARTICLE_POINTER_OK)
                throwConnectionException("Unable to retrieve any News", client);

            /* Retrieve initial news */
            for (int i = 0; i < INITIAL_NEWS && !monitor.isCanceled(); i++) {
                createNews(client.retrieveArticle(), feed, monitor);

                /* Goto previous news if provided */
                int result = client.last();
                if (result != STATUS_ARTICLE_POINTER_OK)
                    break;
            }
        }

        /* Subsequent reload: Set pointer to last retrieved News */
        else {

            /* Set Article Pointer to last retrieved News */
            int status = client.stat(lastArticleId);
            if (status != STATUS_ARTICLE_POINTER_OK)
                throwConnectionException("Unable to retrieve any News", client);

            /* Retrieve all the following News */
            while (client.next() == STATUS_ARTICLE_POINTER_OK && !monitor.isCanceled())
                createNews(client.retrieveArticle(), feed, monitor);
        }

        /* Remember last article's ID */
        lastArticleId = groupInfo.getLastArticle();
    }

    /* Wrap Exceptions */
    catch (IOException e) {
        throw new ConnectionException(Activator.createErrorStatus(e.getMessage(), e));
    }

    /* Disconnect */
    finally {
        try {
            if (client.isConnected())
                client.disconnect();
        } catch (IOException e) {
            throw new ConnectionException(Activator.createErrorStatus(e.getMessage(), e));
        }
    }

    /* Create Conditional Get Object */
    IConditionalGet conditionalGet = null;
    if (lastArticleId != null)
        conditionalGet = factory.createConditionalGet(null, link, String.valueOf(lastArticleId));

    return Pair.create(feed, conditionalGet);
}

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