Example usage for org.apache.commons.net.nntp NNTPClient listNewsgroups

Introduction

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

Prototype

public NewsgroupInfo[] listNewsgroups() throws IOException 

Source Link

Document

List all newsgroups served by the NNTP server.

Usage

From source file:examples.nntp.newsgroups.java

public final static void main(String[] args) {
    NNTPClient client;
    NewsgroupInfo[] list;/*from  ww  w .j a  v a 2s  . co  m*/

    if (args.length < 1) {
        System.err.println("Usage: newsgroups newsserver");
        System.exit(1);
    }

    client = new NNTPClient();

    try {
        client.connect(args[0]);

        list = client.listNewsgroups();

        if (list != null) {
            for (int i = 0; i < list.length; i++)
                System.out.println(list[i].getNewsgroup());
        } else {
            System.err.println("LIST command failed.");
            System.err.println("Server reply: " + client.getReplyString());
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            if (client.isConnected())
                client.disconnect();
        } catch (IOException e) {
            System.err.println("Error disconnecting from server.");
            e.printStackTrace();
            System.exit(1);
        }
    }

}

---

From source file:me.lehrner.newsgroupsndy.presenter.tasks.UpdateGroupListAsyncTask.java

@Override
protected Boolean doInBackground(Server... servers) {
    mServerId = servers[0].getId();//from  w  w w  . j  av a2s.c o m

    String hostName = servers[0].getServerUrl();
    int lastVisitInt = servers[0].getLastVisit();

    NewsgroupInfo[] newsgroupInfos;
    ArrayList<String> groupNames = new ArrayList<>();

    try {
        NNTPClient nntpClient = new NNTPClient();
        nntpClient.connect(hostName, 119);

        Log.d(LOG_TAG, "lastVisitInt: " + lastVisitInt);

        if (lastVisitInt != 0) {
            Calendar lastVisit = Calendar.getInstance();
            lastVisit.setTimeInMillis(lastVisitInt * 1000L);

            NewGroupsOrNewsQuery query = new NewGroupsOrNewsQuery(lastVisit, false);
            newsgroupInfos = nntpClient.listNewNewsgroups(query);

            Log.d(LOG_TAG, "listNewNewsgroups");

        } else {
            newsgroupInfos = nntpClient.listNewsgroups();

            Log.d(LOG_TAG, "listNewsgroups");

        }

        nntpClient.disconnect();
    } catch (IOException e) {
        Log.d(LOG_TAG, "IOException");

        GroupPresenter groupPresenter = mGroupPresenterWeakReference.get();

        if (groupPresenter != null) {
            groupPresenter.updateNotSuccessful();
        }
        return false;
    }

    if (newsgroupInfos == null) {
        Log.d(LOG_TAG, "newsgroupInfos is null");
        return false;
    }

    for (NewsgroupInfo newsgroupInfo : newsgroupInfos) {
        groupNames.add(newsgroupInfo.getNewsgroup());
    }

    return mGroupRepository.saveGroups(mServerId, groupNames);
}

---