(2048);
String line;
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;
}
private BufferedReader __retrieve(int command, String articleId, ArticleInfo pointer)
throws IOException
{
if (articleId != null)
{
if (!NNTPReply.isPositiveCompletion(sendCommand(command, articleId))) {
return null;
}
}
else
{
if (!NNTPReply.isPositiveCompletion(sendCommand(command))) {
return null;
}
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return new DotTerminatedMessageReader(_reader_);
}
private BufferedReader __retrieve(int command, long articleNumber, ArticleInfo pointer)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(sendCommand(command,
Long.toString(articleNumber)))) {
return null;
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return new DotTerminatedMessageReader(_reader_);
}
/***
* Retrieves an article from the NNTP server. The article is referenced
* by its unique article identifier (including the enclosing < and >).
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleId The unique article identifier of the article to
* retrieve. If this parameter is null, the currently selected
* article is retrieved.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticle(String articleId, ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.ARTICLE, articleId, pointer);
}
/**
* Same as retrieveArticle(articleId, (ArticleInfo) null)
* Note: the return can be cast to a {@link BufferedReader}
* @param articleId the article id to retrieve
* @return A DotTerminatedMessageReader instance from which the article can be read.
* null if the article does not exist.
* @throws IOException if an IO error occurs
*/
public Reader retrieveArticle(String articleId) throws IOException
{
return retrieveArticle(articleId, (ArticleInfo) null);
}
/**
* Same as retrieveArticle((String) null)
* Note: the return can be cast to a {@link BufferedReader}
* @return A DotTerminatedMessageReader instance from which the article can be read.
* null if the article does not exist.
* @throws IOException if an IO error occurs
*/
public Reader retrieveArticle() throws IOException
{
return retrieveArticle((String) null);
}
/***
* Retrieves an article from the currently selected newsgroup. The
* article is referenced by its article number.
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleNumber The number of the the article to
* retrieve.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticle(long articleNumber, ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.ARTICLE, articleNumber, pointer);
}
/**
* Same as retrieveArticle(articleNumber, null)
* @param articleNumber the article number to fetch
* @return A DotTerminatedMessageReader instance from which the article
* can be read. null if the article does not exist.
* @throws IOException if an IO error occurs
*/
public BufferedReader retrieveArticle(long articleNumber) throws IOException
{
return retrieveArticle(articleNumber, null);
}
/***
* Retrieves an article header from the NNTP server. The article is
* referenced
* by its unique article identifier (including the enclosing < and >).
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleId The unique article identifier of the article whose
* header is being retrieved. If this parameter is null, the
* header of the currently selected article is retrieved.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* header can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticleHeader(String articleId, ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.HEAD, articleId, pointer);
}
/**
* Same as retrieveArticleHeader(articleId, (ArticleInfo) null)
* Note: the return can be cast to a {@link BufferedReader}
* @param articleId the article id to fetch
* @return the reader
* @throws IOException if an error occurs
*/
public Reader retrieveArticleHeader(String articleId) throws IOException
{
return retrieveArticleHeader(articleId, (ArticleInfo) null);
}
/**
* Same as retrieveArticleHeader((String) null)
* Note: the return can be cast to a {@link BufferedReader}
* @return the reader
* @throws IOException if an error occurs
*/
public Reader retrieveArticleHeader() throws IOException
{
return retrieveArticleHeader((String) null);
}
/***
* Retrieves an article header from the currently selected newsgroup. The
* article is referenced by its article number.
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleNumber The number of the the article whose header is
* being retrieved.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* header can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticleHeader(long articleNumber,
ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.HEAD, articleNumber, pointer);
}
/**
* Same as retrieveArticleHeader(articleNumber, null)
*
* @param articleNumber the article number
* @return the reader
* @throws IOException if an error occurs
*/
public BufferedReader retrieveArticleHeader(long articleNumber) throws IOException
{
return retrieveArticleHeader(articleNumber, null);
}
/***
* Retrieves an article body from the NNTP server. The article is
* referenced
* by its unique article identifier (including the enclosing < and >).
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleId The unique article identifier of the article whose
* body is being retrieved. If this parameter is null, the
* body of the currently selected article is retrieved.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticleBody(String articleId, ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.BODY, articleId, pointer);
}
/**
* Same as retrieveArticleBody(articleId, (ArticleInfo) null)
* Note: the return can be cast to a {@link BufferedReader}
* @param articleId the article id
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @throws IOException if an error occurs
*/
public Reader retrieveArticleBody(String articleId) throws IOException
{
return retrieveArticleBody(articleId, (ArticleInfo) null);
}
/**
* Same as retrieveArticleBody(null)
* Note: the return can be cast to a {@link BufferedReader}
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @throws IOException if an error occurs
*/
public Reader retrieveArticleBody() throws IOException
{
return retrieveArticleBody(null);
}
/***
* Retrieves an article body from the currently selected newsgroup. The
* article is referenced by its article number.
* The article number and identifier contained in the server reply
* are returned through an ArticleInfo. The articleId
* field of the ArticleInfo cannot always be trusted because some
* NNTP servers do not correctly follow the RFC 977 reply format.
*
* A DotTerminatedMessageReader is returned from which the article can
* be read. If the article does not exist, null is returned.
*
* You must not issue any commands to the NNTP server (i.e., call any
* other methods) until you finish reading the message from the returned
* BufferedReader instance.
* The NNTP protocol uses the same stream for issuing commands as it does
* for returning results. Therefore the returned BufferedReader actually reads
* directly from the NNTP connection. After the end of message has been
* reached, new commands can be executed and their replies read. If
* you do not follow these requirements, your program will not work
* properly.
*
* @param articleNumber The number of the the article whose body is
* being retrieved.
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @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.
***/
public BufferedReader retrieveArticleBody(long articleNumber,
ArticleInfo pointer)
throws IOException
{
return __retrieve(NNTPCommand.BODY, articleNumber, pointer);
}
/**
* Same as retrieveArticleBody(articleNumber, null)
* @param articleNumber the article number
* @return the reader
* @throws IOException if an error occurs
*/
public BufferedReader retrieveArticleBody(long articleNumber) throws IOException
{
return retrieveArticleBody(articleNumber, null);
}
/***
* Select the specified newsgroup to be the target of for future article
* retrieval and posting operations. Also return the newsgroup
* information contained in the server reply through the info parameter.
*
* @param newsgroup The newsgroup to select.
* @param info A parameter through which the newsgroup information of
* the selected newsgroup contained in the server reply is returned.
* Set this to null if you do not desire this information.
* @return True if the newsgroup exists and was selected, false otherwise.
* @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.
***/
public boolean selectNewsgroup(String newsgroup, NewsgroupInfo info)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(group(newsgroup))) {
return false;
}
if (info != null) {
__parseGroupReply(getReplyString(), info);
}
return true;
}
/**
* Same as selectNewsgroup(newsgroup, null)
* @param newsgroup the newsgroup name
* @return true if newsgroup exist and was selected
* @throws IOException if an error occurs
*/
public boolean selectNewsgroup(String newsgroup) throws IOException
{
return selectNewsgroup(newsgroup, null);
}
/***
* List the command help from the server.
*
* @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.
***/
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();
}
/**
* 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 on error
*/
public String[] listOverviewFmt() throws IOException
{
if (!NNTPReply.isPositiveCompletion(sendCommand("LIST", "OVERVIEW.FMT"))){
return null;
}
BufferedReader reader = new DotTerminatedMessageReader(_reader_);
String line;
ArrayList list = new ArrayList();
while((line=reader.readLine()) != null) {
list.add(line);
}
reader.close();
return list.toArray(new String[list.size()]);
}
/***
* Select an article by its unique identifier (including enclosing
* < and >) and return its article number and id through the
* pointer parameter. This is achieved through the STAT command.
* According to RFC 977, this will NOT set the current article pointer
* on the server. To do that, you must reference the article by its
* number.
*
* @param articleId The unique article identifier of the article that
* is being selectedd. If this parameter is null, the
* body of the current article is selected
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return True if successful, false if not.
* @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.
***/
public boolean selectArticle(String articleId, ArticleInfo pointer)
throws IOException
{
if (articleId != null) {
if (!NNTPReply.isPositiveCompletion(stat(articleId))) {
return false;
}
} else {
if (!NNTPReply.isPositiveCompletion(stat())) {
return false;
}
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return true;
}
/**
* Same as selectArticle(articleId, (ArticleInfo) null)
* @param articleId the article Id
* @return true if successful
* @throws IOException on error
*/
public boolean selectArticle(String articleId) throws IOException
{
return selectArticle(articleId, (ArticleInfo) null);
}
/****
* Same as selectArticle((String) null, articleId) . Useful
* for retrieving the current article number.
* @param pointer to the article
* @return true if OK
* @throws IOException on error
***/
public boolean selectArticle(ArticleInfo pointer) throws IOException
{
return selectArticle(null, pointer);
}
/***
* Select an article in the currently selected newsgroup by its number.
* and return its article number and id through the
* pointer parameter. This is achieved through the STAT command.
* According to RFC 977, this WILL set the current article pointer
* on the server. Use this command to select an article before retrieving
* it, or to obtain an article's unique identifier given its number.
*
* @param articleNumber The number of the article to select from the
* currently selected newsgroup.
* @param pointer A parameter through which to return the article's
* number and unique id. Although the articleId field cannot always
* be trusted because of server deviations from RFC 977 reply formats,
* we haven't found a server that misformats this information in response
* to this particular command. You may set this parameter to null if
* you do not desire to retrieve the returned article information.
* @return True if successful, false if not.
* @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.
***/
public boolean selectArticle(long articleNumber, ArticleInfo pointer)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(stat(articleNumber))) {
return false;
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return true;
}
/*** Same as selectArticle(articleNumber, null)
* @param articleNumber the numger
* @return true if successful
* @throws IOException on error ***/
public boolean selectArticle(long articleNumber) throws IOException
{
return selectArticle(articleNumber, null);
}
/***
* Select the article preceeding the currently selected article in the
* currently selected newsgroup and return its number and unique id
* through the pointer parameter. Because of deviating server
* implementations, the articleId information cannot be trusted. To
* obtain the article identifier, issue a
* selectArticle(pointer.articleNumber, pointer) immediately
* afterward.
*
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return True if successful, false if not (e.g., there is no previous
* article).
* @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.
***/
public boolean selectPreviousArticle(ArticleInfo pointer)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(last())) {
return false;
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return true;
}
/*** Same as selectPreviousArticle((ArticleInfo) null)
* @return true if successful
* @throws IOException on error ***/
public boolean selectPreviousArticle() throws IOException
{
return selectPreviousArticle((ArticleInfo) null);
}
/***
* Select the article following the currently selected article in the
* currently selected newsgroup and return its number and unique id
* through the pointer parameter. Because of deviating server
* implementations, the articleId information cannot be trusted. To
* obtain the article identifier, issue a
* selectArticle(pointer.articleNumber, pointer) immediately
* afterward.
*
* @param pointer A parameter through which to return the article's
* number and unique id. The articleId field cannot always be trusted
* because of server deviations from RFC 977 reply formats. You may
* set this parameter to null if you do not desire to retrieve the
* returned article information.
* @return True if successful, false if not (e.g., there is no following
* article).
* @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.
***/
public boolean selectNextArticle(ArticleInfo pointer) throws IOException
{
if (!NNTPReply.isPositiveCompletion(next())) {
return false;
}
if (pointer != null) {
__parseArticlePointer(getReplyString(), pointer);
}
return true;
}
/*** Same as selectNextArticle((ArticleInfo) null)
* @return true if successful
* @throws IOException on error ***/
public boolean selectNextArticle() throws IOException
{
return selectNextArticle((ArticleInfo) null);
}
/***
* List all newsgroups served by the NNTP server. If no newsgroups
* are served, a zero length array will be returned. If the command
* fails, null will be returned.
* The method uses the "LIST" command.
*
* @return An array of NewsgroupInfo instances containing the information
* for each newsgroup served by the NNTP server. If no newsgroups
* are served, 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 #iterateNewsgroupListing()
* @see #iterateNewsgroups()
***/
public NewsgroupInfo[] listNewsgroups() throws IOException
{
if (!NNTPReply.isPositiveCompletion(list())) {
return null;
}
return __readNewsgroupListing();
}
/**
* List all newsgroups served by the NNTP server. If no newsgroups
* are served, no entries will be returned.
* The method uses the "LIST" command.
*
* @return An iterable of NewsgroupInfo instances containing the information
* for each newsgroup served by the NNTP server. If no newsgroups
* are served, no entries 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.
* @since 3.0
*/
public Iterable iterateNewsgroupListing() throws IOException {
if (NNTPReply.isPositiveCompletion(list())) {
return new ReplyIterator(_reader_);
}
throw new IOException("LIST command failed: "+getReplyString());
}
/**
* List all newsgroups served by the NNTP server. If no newsgroups
* are served, no entries will be returned.
* The method uses the "LIST" command.
*
* @return An iterable of Strings containing the raw information
* for each newsgroup served by the NNTP server. If no newsgroups
* are served, no entries 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.
* @since 3.0
*/
public Iterable iterateNewsgroups() throws IOException {
return new NewsgroupIterator(iterateNewsgroupListing());
}
/**
* List the newsgroups that match a given pattern.
* Uses the "LIST ACTIVE" command.
*
* @param wildmat a pseudo-regex pattern (cf. RFC 2980)
* @return An array of NewsgroupInfo instances containing the information
* for each newsgroup served by the NNTP server corresponding to the
* supplied pattern. If no such newsgroups are served, a zero length
* array will be returned. If the command fails, null will be returned.
* @throws IOException on error
* @see #iterateNewsgroupListing(String)
* @see #iterateNewsgroups(String)
*/
public NewsgroupInfo[] listNewsgroups(String wildmat) throws IOException
{
if(!NNTPReply.isPositiveCompletion(listActive(wildmat))) {
return null;
}
return __readNewsgroupListing();
}
/**
* List the newsgroups that match a given pattern.
* Uses the "LIST ACTIVE" command.
*
* @param wildmat a pseudo-regex pattern (cf. RFC 2980)
* @return An iterable of Strings containing the raw information
* for each newsgroup served by the NNTP server corresponding to the
* supplied pattern. If no such newsgroups are served, no entries
* will be returned.
* @throws IOException on error
* @since 3.0
*/
public Iterable iterateNewsgroupListing(String wildmat) throws IOException {
if(NNTPReply.isPositiveCompletion(listActive(wildmat))) {
return new ReplyIterator(_reader_);
}
throw new IOException("LIST ACTIVE "+wildmat+" command failed: "+getReplyString());
}
/**
* List the newsgroups that match a given pattern.
* Uses the "LIST ACTIVE" command.
*
* @param wildmat a pseudo-regex pattern (cf. RFC 2980)
* @return An iterable NewsgroupInfo instances containing the information
* for each newsgroup served by the NNTP server corresponding to the
* supplied pattern. If no such newsgroups are served, no entries
* will be returned.
* @throws IOException on error
* @since 3.0
*/
public Iterable iterateNewsgroups(String wildmat) throws IOException {
return new NewsgroupIterator(iterateNewsgroupListing(wildmat));
}
/***
* List all new newsgroups added to the NNTP server since a particular
* date subject to the conditions of the specified query. If no new
* newsgroups were added, a zero length array will be returned. If the
* command fails, null will be returned.
* This uses the "NEWGROUPS" command.
*
* @param query The query restricting how to search for new newsgroups.
* @return An array of NewsgroupInfo instances containing the information
* for each new newsgroup added to the NNTP server. If no newsgroups
* were added, 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 #iterateNewNewsgroups(NewGroupsOrNewsQuery)
* @see #iterateNewNewsgroupListing(NewGroupsOrNewsQuery)
***/
public NewsgroupInfo[] listNewNewsgroups(NewGroupsOrNewsQuery query)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(newgroups(
query.getDate(), query.getTime(),
query.isGMT(), query.getDistributions())))
{
return null;
}
return __readNewsgroupListing();
}
/**
* List all new newsgroups added to the NNTP server since a particular
* date subject to the conditions of the specified query. If no new
* newsgroups were added, no entries will be returned.
* This uses the "NEWGROUPS" command.
*
* @param query The query restricting how to search for new newsgroups.
* @return An iterable of Strings containing the raw information
* for each new newsgroup added to the NNTP server. If no newsgroups
* were added, no entries 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.
* @since 3.0
*/
public Iterable iterateNewNewsgroupListing(NewGroupsOrNewsQuery query) throws IOException {
if (NNTPReply.isPositiveCompletion(newgroups(
query.getDate(), query.getTime(),
query.isGMT(), query.getDistributions()))) {
return new ReplyIterator(_reader_);
}
throw new IOException("NEWGROUPS command failed: "+getReplyString());
}
/**
* List all new newsgroups added to the NNTP server since a particular
* date subject to the conditions of the specified query. If no new
* newsgroups were added, no entries will be returned.
* This uses the "NEWGROUPS" command.
*
* @param query The query restricting how to search for new newsgroups.
* @return An iterable of NewsgroupInfo instances containing the information
* for each new newsgroup added to the NNTP server. If no newsgroups
* were added, no entries 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.
* @since 3.0
*/
public Iterable iterateNewNewsgroups(NewGroupsOrNewsQuery query) throws IOException {
return new NewsgroupIterator(iterateNewNewsgroupListing(query));
}
/***
* 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 < and >.
* This uses the "NEWNEWS" command.
*
* @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)
***/
public String[] listNewNews(NewGroupsOrNewsQuery query)
throws IOException
{
if (!NNTPReply.isPositiveCompletion(
newnews(query.getNewsgroups(), query.getDate(), query.getTime(),
query.isGMT(), query.getDistributions()))) {
return null;
}
Vector list = new Vector();
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;
}
/**
* 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, no entries will be returned.
* This uses the "NEWNEWS" command.
* You must add at least one newsgroup to the query, else the command will fail.
* Each String which is returned is a unique message identifier including the
* enclosing < and >.
*
* @param query The query restricting how to search for new news. You
* must add at least one newsgroup to the query.
* @return An iterator of String instances containing the unique message
* identifiers for each new article added to the NNTP server. If no
* new news is found, no strings 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.
* @since 3.0
*/
public Iterable iterateNewNews(NewGroupsOrNewsQuery query) throws IOException {
if (NNTPReply.isPositiveCompletion(newnews(
query.getNewsgroups(), query.getDate(), query.getTime(),
query.isGMT(), query.getDistributions()))) {
return new ReplyIterator(_reader_);
}
throw new IOException("NEWNEWS command failed: "+getReplyString());
}
/***
* There are a few NNTPClient methods that do not complete the
* entire sequence of NNTP commands to complete a transaction. These
* commands require some action by the programmer after the reception
* of a positive preliminary command. After the programmer's code
* completes its actions, it must call this method to receive
* the completion reply from the server and verify the success of the
* entire transaction.
*
* For example
*
* writer = client.postArticle();
* if(writer == null) // failure
* return false;
* header = new SimpleNNTPHeader("[email protected]", "Just testing");
* header.addNewsgroup("alt.test");
* writer.write(header.toString());
* writer.write("This is just a test");
* writer.close();
* if(!client.completePendingCommand()) // failure
* return false;
*
*
* @return True if successfully completed, false if not.
* @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.
***/
public boolean completePendingCommand() throws IOException
{
return NNTPReply.isPositiveCompletion(getReply());
}
/***
* Post an article to the NNTP server. This method returns a
* DotTerminatedMessageWriter instance to which the article can be
* written. Null is returned if the posting attempt fails. You
* should check {@link NNTP#isAllowedToPost isAllowedToPost() }
* before trying to post. However, a posting
* attempt can fail due to malformed headers.
*
* You must not issue any commands to the NNTP server (i.e., call any
* (other methods) until you finish writing to the returned Writer
* instance and close it. The NNTP protocol uses the same stream for
* issuing commands as it does for returning results. Therefore the
* returned Writer actually writes directly to the NNTP connection.
* After you close the writer, you can execute new commands. If you
* do not follow these requirements your program will not work properly.
*
* Different NNTP servers will require different header formats, but
* you can use the provided
* {@link org.apache.commons.net.nntp.SimpleNNTPHeader}
* class to construct the bare minimum acceptable header for most
* news readers. To construct more complicated headers you should
* refer to RFC 822. When the Java Mail API is finalized, you will be
* able to use it to compose fully compliant Internet text messages.
* The DotTerminatedMessageWriter takes care of doubling line-leading
* dots and ending the message with a single dot upon closing, so all
* you have to worry about is writing the header and the message.
*
* Upon closing the returned Writer, you need to call
* {@link #completePendingCommand completePendingCommand() }
* to finalize the posting and verify its success or failure from
* the server reply.
*
* @return A DotTerminatedMessageWriter to which the article (including
* header) can be written. Returns null if the command fails.
* @exception IOException If an I/O error occurs while either sending a
* command to the server or receiving a reply from the server.
***/
public Writer postArticle() throws IOException
{
if (!NNTPReply.isPositiveIntermediate(post())) {
return null;
}
return new DotTerminatedMessageWriter(_writer_);
}
public Writer forwardArticle(String articleId) throws IOException
{
if (!NNTPReply.isPositiveIntermediate(ihave(articleId))) {
return null;
}
return new DotTerminatedMessageWriter(_writer_);
}
/***
* Logs out of the news server gracefully by sending the QUIT command.
* However, you must still disconnect from the server before you can open
* a new connection.
*
* @return True if successfully completed, false if not.
* @exception IOException If an I/O error occurs while either sending a
* command to the server or receiving a reply from the server.
***/
public boolean logout() throws IOException
{
return NNTPReply.isPositiveCompletion(quit());
}
/**
* Log into a news server by sending the AUTHINFO USER/AUTHINFO
* PASS command sequence. This is usually sent in response to a
* 480 reply code from the NNTP server.
*
* @param username a valid username
* @param password the corresponding password
* @return True for successful login, false for a failure
* @throws IOException on error
*/
public boolean authenticate(String username, String password)
throws IOException
{
int replyCode = authinfoUser(username);
if (replyCode == NNTPReply.MORE_AUTH_INFO_REQUIRED)
{
replyCode = authinfoPass(password);
if (replyCode == NNTPReply.AUTHENTICATION_ACCEPTED)
{
_isAllowedToPost = true;
return true;
}
}
return false;
}
/***
* Private implementation of XOVER functionality.
*
* See {@link NNTP#xover}
* for legal agument formats. Alternatively, read RFC 2980 :-)
*
* @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_);
}
/**
* Return article headers for a specified post.
*
* @param articleNumber the article to retrieve headers for
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
*/
public BufferedReader retrieveArticleInfo(long articleNumber) throws IOException
{
return __retrieveArticleInfo(Long.toString(articleNumber));
}
/**
* Return article headers for all articles between lowArticleNumber
* and highArticleNumber, inclusively. Uses the XOVER command.
*
* @param lowArticleNumber low number
* @param highArticleNumber high number
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
*/
public BufferedReader retrieveArticleInfo(long lowArticleNumber,
long highArticleNumber)
throws IOException
{
return
__retrieveArticleInfo(lowArticleNumber + "-" +
highArticleNumber);
}
/**
* Return article headers for all articles between lowArticleNumber
* and highArticleNumber, inclusively, using the XOVER command.
*
* @param lowArticleNumber low
* @param highArticleNumber high
* @return an Iterable of Articles
* @throws IOException if the command failed
* @since 3.0
*/
public Iterable iterateArticleInfo(long lowArticleNumber, long highArticleNumber)
throws IOException
{
BufferedReader info = retrieveArticleInfo(lowArticleNumber,highArticleNumber);
if (info == null) {
throw new IOException("XOVER command failed: "+getReplyString());
}
// N.B. info is already DotTerminated, so don't rewrap
return new ArticleIterator(new ReplyIterator(info, false));
}
/***
* Private implementation of XHDR functionality.
*
* See {@link NNTP#xhdr}
* for legal agument formats. Alternatively, read RFC 1036.
*
* @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_);
}
/**
* Return an article header for a specified post.
*
* @param header the header to retrieve
* @param articleNumber the article to retrieve the header for
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
*/
public BufferedReader retrieveHeader(String header, long articleNumber)
throws IOException
{
return __retrieveHeader(header, Long.toString(articleNumber));
}
/**
* Return an article header for all articles between lowArticleNumber
* and highArticleNumber, inclusively.
*
* @param header the header
* @param lowArticleNumber to fetch
* @param highArticleNumber to fetch
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
*/
public BufferedReader retrieveHeader(String header, long lowArticleNumber,
long highArticleNumber)
throws IOException
{
return
__retrieveHeader(header,lowArticleNumber + "-" + highArticleNumber);
}
// DEPRECATED METHODS - for API compatibility only - DO NOT USE
// ============================================================
/**
* @param header the header
* @param lowArticleNumber to fetch
* @param highArticleNumber to fetch
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveHeader(String, long, long)} instead
*/
@Deprecated
public Reader retrieveHeader(String header, int lowArticleNumber, int highArticleNumber)
throws IOException
{
return retrieveHeader(header, (long) lowArticleNumber, (long) highArticleNumber);
}
/**
* @param lowArticleNumber to fetch
* @param highArticleNumber to fetch
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveArticleInfo(long, long)} instead
*/
@Deprecated
public Reader retrieveArticleInfo(int lowArticleNumber, int highArticleNumber) throws IOException {
return retrieveArticleInfo((long) lowArticleNumber, (long) highArticleNumber);
}
/**
* @param a tba
* @param b tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveHeader(String, long)} instead
*/
@Deprecated
public Reader retrieveHeader(String a, int b) throws IOException {
return retrieveHeader(a, (long) b);
}
/**
* @param a tba
* @param ap tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #selectArticle(long, ArticleInfo)} instead
*/
@Deprecated
public boolean selectArticle(int a, ArticlePointer ap) throws IOException {
ArticleInfo ai = __ap2ai(ap);
boolean b = selectArticle(a, ai);
__ai2ap(ai, ap);
return b;
}
/**
* @param lowArticleNumber to fetch
* @return a DotTerminatedReader if successful, null otherwise
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveArticleInfo(long)} instead
*/
@Deprecated
public Reader retrieveArticleInfo(int lowArticleNumber) throws IOException {
return retrieveArticleInfo((long) lowArticleNumber);
}
/**
* @param a tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #selectArticle(long)} instead
*/
@Deprecated
public boolean selectArticle(int a) throws IOException {
return selectArticle((long) a);
}
/**
* @param a tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveArticleHeader(long)} instead
*/
@Deprecated
public Reader retrieveArticleHeader(int a) throws IOException {
return retrieveArticleHeader((long) a);
}
/**
* @param a tba
* @param ap tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveArticleHeader(long, ArticleInfo)} instead
*/
@Deprecated
public Reader retrieveArticleHeader(int a, ArticlePointer ap) throws IOException {
ArticleInfo ai = __ap2ai(ap);
Reader rdr = retrieveArticleHeader(a, ai);
__ai2ap(ai, ap);
return rdr;
}
/**
* @param a tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveArticleBody(long)} instead
*/
@Deprecated
public Reader retrieveArticleBody(int a) throws IOException {
return retrieveArticleBody((long) a);
}
/**
* @param articleNumber The number of the the article to retrieve.
* @param pointer A parameter through which to return the article's number and unique id
* @return A DotTerminatedMessageReader instance from which the article
* can be read. null if the article does not exist.
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveArticle(long, ArticleInfo)} instead
*/
@Deprecated
public Reader retrieveArticle(int articleNumber, ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
Reader rdr = retrieveArticle(articleNumber, ai);
__ai2ap(ai, pointer);
return rdr;
}
/**
* @param articleNumber The number of the the article to retrieve
* @return A DotTerminatedMessageReader instance from which the article
* can be read. null if the article does not exist.
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveArticle(long)} instead
*/
@Deprecated
public Reader retrieveArticle(int articleNumber) throws IOException {
return retrieveArticle((long) articleNumber);
}
/**
* @param a tba
* @param ap tba
* @return tba
* @throws IOException tba
* @deprecated 3.0 use {@link #retrieveArticleBody(long, ArticleInfo)} instead
*/
@Deprecated
public Reader retrieveArticleBody(int a, ArticlePointer ap) throws IOException {
ArticleInfo ai = __ap2ai(ap);
Reader rdr = retrieveArticleBody(a, ai);
__ai2ap(ai, ap);
return rdr;
}
/**
* @param articleId The unique article identifier of the article to retrieve
* @param pointer A parameter through which to return the article's number and unique id
* @deprecated 3.0 use {@link #retrieveArticle(String, ArticleInfo)} instead
* @return A DotTerminatedMessageReader instance from which the article can be read.
* null if the article does not exist.
* @throws IOException on error
*/
@Deprecated
public Reader retrieveArticle(String articleId, ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
Reader rdr = retrieveArticle(articleId, ai);
__ai2ap(ai, pointer);
return rdr;
}
/**
* @param articleId The unique article identifier of the article to retrieve
* @param pointer A parameter through which to return the article's number and unique id
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveArticleBody(String, ArticleInfo)} instead
*/
@Deprecated
public Reader retrieveArticleBody(String articleId, ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
Reader rdr = retrieveArticleBody(articleId, ai);
__ai2ap(ai, pointer);
return rdr;
}
/**
* @param articleId The unique article identifier of the article to retrieve
* @param pointer A parameter through which to return the article's number and unique id
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @throws IOException on error
* @deprecated 3.0 use {@link #retrieveArticleHeader(String, ArticleInfo)} instead
*/
@Deprecated
public Reader retrieveArticleHeader(String articleId, ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
Reader rdr = retrieveArticleHeader(articleId, ai);
__ai2ap(ai, pointer);
return rdr;
}
/**
* @param articleId The unique article identifier of the article to retrieve
* @param pointer A parameter through which to return the article's number and unique id
* @return A DotTerminatedMessageReader instance from which the article
* body can be read. null if the article does not exist.
* @throws IOException on error
* @deprecated 3.0 use {@link #selectArticle(String, ArticleInfo)} instead
*/
@Deprecated
public boolean selectArticle(String articleId, ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
boolean b = selectArticle(articleId, ai);
__ai2ap(ai, pointer);
return b;
}
/**
* @param pointer A parameter through which to return the article's number and unique id
* @return True if successful, false if not.
* @throws IOException on error
* @deprecated 3.0 use {@link #selectArticle(ArticleInfo)} instead
*/
@Deprecated
public boolean selectArticle(ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
boolean b = selectArticle(ai);
__ai2ap(ai, pointer);
return b;
}
/**
* @param pointer A parameter through which to return the article's number and unique id
* @return True if successful, false if not.
* @throws IOException on error
* @deprecated 3.0 use {@link #selectNextArticle(ArticleInfo)} instead
*/
@Deprecated
public boolean selectNextArticle(ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
boolean b = selectNextArticle(ai);
__ai2ap(ai, pointer);
return b;
}
/**
* @param pointer A parameter through which to return the article's number and unique id
* @return True if successful, false if not.
* @throws IOException on error
* @deprecated 3.0 use {@link #selectPreviousArticle(ArticleInfo)} instead
*/
@Deprecated
public boolean selectPreviousArticle(ArticlePointer pointer) throws IOException {
ArticleInfo ai = __ap2ai(pointer);
boolean b = selectPreviousArticle(ai);
__ai2ap(ai, pointer);
return b;
}
// Helper methods
private ArticleInfo __ap2ai(@SuppressWarnings("deprecation") ArticlePointer ap) {
if (ap == null) {
return null;
}
ArticleInfo ai = new ArticleInfo();
return ai;
}
@SuppressWarnings("deprecation")
private void __ai2ap(ArticleInfo ai, ArticlePointer ap){
if (ap != null) { // ai cannot be null
ap.articleId = ai.articleId;
ap.articleNumber = (int) ai.articleNumber;
}
}
}
/* Emacs configuration
* Local variables: **
* mode: java **
* c-basic-offset: 4 **
* indent-tabs-mode: nil **
* End: **
*/
