Example usage for org.apache.commons.net.io DotTerminatedMessageReader DotTerminatedMessageReader

Introduction

In this page you can find the example usage for org.apache.commons.net.io DotTerminatedMessageReader DotTerminatedMessageReader.

Prototype

public DotTerminatedMessageReader(Reader reader) 

Source Link

Document

Creates a DotTerminatedMessageReader that wraps an existing Reader input source.

Usage

From source file:net.longfalcon.newsj.nntp.client.ReplyIterator.java

/**
 *
 * @param _reader the reader to wrap//  w  w  w  .j  av  a  2  s.  c o  m
 * @param addDotReader whether to additionally wrap the reader in a DotTerminatedMessageReader
 * @throws IOException
 */
ReplyIterator(BufferedReader _reader, boolean addDotReader) throws IOException {
    reader = addDotReader ? new DotTerminatedMessageReader(_reader) : _reader;
    line = reader.readLine(); // prime the iterator
    if (line == null) {
        Util.closeQuietly(reader);
    }
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

private NewsgroupInfo[] __readNewsgroupListing() throws IOException {

    BufferedReader reader = new DotTerminatedMessageReader(_reader_);
    // Start of with a big vector because we may be reading a very large
    // amount of groups.
    Vector<NewsgroupInfo> list = new Vector<NewsgroupInfo>(2048);

    String line;/*from  ww w .ja v  a2  s. com*/
    try {
        while ((line = reader.readLine()) != null) {
            NewsgroupInfo tmp = __parseNewsgroupListEntry(line);
            if (tmp != null) {
                list.addElement(tmp);
            } else {
                throw new MalformedServerReplyException(line);
            }
        }
    } finally {
        reader.close();
    }
    int size;
    if ((size = list.size()) < 1) {
        return new NewsgroupInfo[0];
    }

    NewsgroupInfo[] info = new NewsgroupInfo[size];
    list.copyInto(info);

    return info;
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

private BufferedReader __retrieve(int command, String articleId, ArticleInfo pointer) throws IOException {
    if (articleId != null) {
        if (!NNTPReply.isPositiveCompletion(sendCommand(command, articleId))) {
            return null;
        }//from   ww  w  .  j a v a 2s  .  c o  m
    } else {
        if (!NNTPReply.isPositiveCompletion(sendCommand(command))) {
            return null;
        }
    }

    if (pointer != null) {
        __parseArticlePointer(getReplyString(), pointer);
    }

    return new DotTerminatedMessageReader(_reader_);
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

private BufferedReader __retrieve(int command, long articleNumber, ArticleInfo pointer) throws IOException {
    if (!NNTPReply.isPositiveCompletion(sendCommand(command, Long.toString(articleNumber)))) {
        return null;
    }/*  www . j  a v  a2s  .  c  o  m*/

    if (pointer != null) {
        __parseArticlePointer(getReplyString(), pointer);
    }

    return new DotTerminatedMessageReader(_reader_);
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

/***
 * List the command help from the server.
 * <p>/*  ww w  . j  ava 2  s  .c  om*/
 * @return The sever help information.
 * @exception NNTPConnectionClosedException
 *      If the NNTP server prematurely closes the connection as a result
 *      of the client being idle or some other reason causing the server
 *      to send NNTP reply code 400.  This exception may be caught either
 *      as an IOException or independently as itself.
 * @exception IOException  If an I/O error occurs while either sending a
 *      command to the server or receiving a reply from the server.
 ***/
@Override
public String listHelp() throws IOException {
    if (!NNTPReply.isInformational(help())) {
        return null;
    }

    StringWriter help = new StringWriter();
    BufferedReader reader = new DotTerminatedMessageReader(_reader_);
    Util.copyReader(reader, help);
    reader.close();
    help.close();
    return help.toString();
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

/**
 * Send a "LIST OVERVIEW.FMT" command to the server.
 *
 * @return the contents of the Overview format, of {@code null} if the command failed
 * @throws IOException//from  w  w  w  . j  a v a 2 s.  c o  m
 */
@Override
public String[] listOverviewFmt() throws IOException {
    if (!NNTPReply.isPositiveCompletion(sendCommand("LIST", "OVERVIEW.FMT"))) {
        return null;
    }

    BufferedReader reader = new DotTerminatedMessageReader(_reader_);
    String line;
    ArrayList<String> list = new ArrayList<String>();
    while ((line = reader.readLine()) != null) {
        list.add(line);
    }
    reader.close();
    return list.toArray(new String[list.size()]);
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

/***
 * List all new articles added to the NNTP server since a particular
 * date subject to the conditions of the specified query.  If no new
 * new news is found, a zero length array will be returned.  If the
 * command fails, null will be returned.  You must add at least one
 * newsgroup to the query, else the command will fail.  Each String
 * in the returned array is a unique message identifier including the
 * enclosing &lt and &gt.// w  w w  .  ja v  a2 s  . c om
 * This uses the "NEWNEWS" command.
 * <p>
 * @param query  The query restricting how to search for new news.  You
 *    must add at least one newsgroup to the query.
 * @return An array of String instances containing the unique message
 *    identifiers for each new article added to the NNTP server.  If no
 *    new news is found, a zero length array will be returned.  If the
 *    command fails, null will be returned.
 * @exception NNTPConnectionClosedException
 *      If the NNTP server prematurely closes the connection as a result
 *      of the client being idle or some other reason causing the server
 *      to send NNTP reply code 400.  This exception may be caught either
 *      as an IOException or independently as itself.
 * @exception IOException  If an I/O error occurs while either sending a
 *      command to the server or receiving a reply from the server.
 *
 * @see #iterateNewNews(NewGroupsOrNewsQuery)
 ***/
@Override
public String[] listNewNews(NewGroupsOrNewsQuery query) throws IOException {
    if (!NNTPReply.isPositiveCompletion(newnews(query.getNewsgroups(), query.getDate(), query.getTime(),
            query.isGMT(), query.getDistributions()))) {
        return null;
    }

    Vector<String> list = new Vector<String>();
    BufferedReader reader = new DotTerminatedMessageReader(_reader_);

    String line;
    try {
        while ((line = reader.readLine()) != null) {
            list.addElement(line);
        }
    } finally {
        reader.close();
    }

    int size = list.size();
    if (size < 1) {
        return new String[0];
    }

    String[] result = new String[size];
    list.copyInto(result);

    return result;
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

/***
 * Private implementation of XOVER functionality.
 *
 * See {@link NNTP#xover}/*w w  w. jav a  2  s  . com*/
 * for legal agument formats. Alternatively, read RFC 2980 :-)
 * <p>
 * @param articleRange
 * @return Returns a DotTerminatedMessageReader if successful, null
 *         otherwise
 * @exception IOException
 */
private BufferedReader __retrieveArticleInfo(String articleRange) throws IOException {
    if (!NNTPReply.isPositiveCompletion(xover(articleRange))) {
        return null;
    }

    return new DotTerminatedMessageReader(_reader_);
}

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From source file:net.longfalcon.newsj.nntp.client.CustomNNTPClient.java

/***
 * Private implementation of XHDR functionality.
 *
 * See {@link NNTP#xhdr}/*from  w ww.j ava 2s.c o  m*/
 * for legal agument formats. Alternatively, read RFC 1036.
 * <p>
 * @param header
 * @param articleRange
 * @return Returns a DotTerminatedMessageReader if successful, null
 *         otherwise
 * @exception IOException
 */
private BufferedReader __retrieveHeader(String header, String articleRange) throws IOException {
    if (!NNTPReply.isPositiveCompletion(xhdr(header, articleRange))) {
        return null;
    }

    return new DotTerminatedMessageReader(_reader_);
}

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From source file:org.random_access.newsreader.nntp.CustomNNTPClient.java

private BufferedReader __retrieve(int command, String articleId, ArticleInfo pointer) throws IOException {
    if (articleId != null) {
        if (!NNTPReply.isPositiveCompletion(this.sendCommand(command, articleId))) {
            return null;
        }// w ww .j a  v  a 2  s. c o m
    } else if (!NNTPReply.isPositiveCompletion(this.sendCommand(command))) {
        return null;
    }

    if (pointer != null) {
        this.__parseArticlePointer(this.getReplyString(), pointer);
    }

    return new DotTerminatedMessageReader(this._reader_);
}

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