diff -r ed84c8bdd87b -r 4ddc1020a154 src/org/sonews/daemon/command/OverCommand.java --- a/src/org/sonews/daemon/command/OverCommand.java Sun Aug 29 17:28:58 2010 +0200 +++ b/src/org/sonews/daemon/command/OverCommand.java Sun Nov 06 00:08:05 2011 +0100 @@ -109,186 +109,153 @@ public class OverCommand implements Command { - public static final int MAX_LINES_PER_DBREQUEST = 200; + public static final int MAX_LINES_PER_DBREQUEST = 200; - @Override - public String[] getSupportedCommandStrings() - { - return new String[]{"OVER", "XOVER"}; - } + @Override + public String[] getSupportedCommandStrings() + { + return new String[] {"OVER", "XOVER"}; + } - @Override - public boolean hasFinished() - { - return true; - } + @Override + public boolean hasFinished() + { + return true; + } - @Override - public String impliedCapability() - { - return null; - } + @Override + public String impliedCapability() + { + return null; + } - @Override - public boolean isStateful() - { - return false; - } + @Override + public boolean isStateful() + { + return false; + } - @Override - public void processLine(NNTPConnection conn, final String line, byte[] raw) - throws IOException, StorageBackendException - { - if(conn.getCurrentChannel() == null) - { - conn.println("412 no newsgroup selected"); - } - else - { - String[] command = line.split(" "); + @Override + public void processLine(NNTPConnection conn, final String line, byte[] raw) + throws IOException, StorageBackendException + { + if (conn.getCurrentChannel() == null) { + conn.println("412 no newsgroup selected"); + } else { + String[] command = line.split(" "); - // If no parameter was specified, show information about - // the currently selected article(s) - if(command.length == 1) - { - final Article art = conn.getCurrentArticle(); - if(art == null) - { - conn.println("420 no article(s) selected"); - return; - } + // If no parameter was specified, show information about + // the currently selected article(s) + if (command.length == 1) { + final Article art = conn.getCurrentArticle(); + if (art == null) { + conn.println("420 no article(s) selected"); + return; + } - conn.println(buildOverview(art, -1)); - } - // otherwise print information about the specified range - else - { - long artStart; - long artEnd = conn.getCurrentChannel().getLastArticleNumber(); - String[] nums = command[1].split("-"); - if(nums.length >= 1) - { - try - { - artStart = Integer.parseInt(nums[0]); - } - catch(NumberFormatException e) - { - Log.get().info(e.getMessage()); - artStart = Integer.parseInt(command[1]); - } - } - else - { - artStart = conn.getCurrentChannel().getFirstArticleNumber(); - } + conn.println(buildOverview(art, -1)); + } // otherwise print information about the specified range + else { + long artStart; + long artEnd = conn.getCurrentChannel().getLastArticleNumber(); + String[] nums = command[1].split("-"); + if (nums.length >= 1) { + try { + artStart = Integer.parseInt(nums[0]); + } catch (NumberFormatException e) { + Log.get().info(e.getMessage()); + artStart = Integer.parseInt(command[1]); + } + } else { + artStart = conn.getCurrentChannel().getFirstArticleNumber(); + } - if(nums.length >=2) - { - try - { - artEnd = Integer.parseInt(nums[1]); - } - catch(NumberFormatException e) - { - e.printStackTrace(); - } - } + if (nums.length >= 2) { + try { + artEnd = Integer.parseInt(nums[1]); + } catch (NumberFormatException e) { + e.printStackTrace(); + } + } - if(artStart > artEnd) - { - if(command[0].equalsIgnoreCase("OVER")) - { - conn.println("423 no articles in that range"); - } - else - { - conn.println("224 (empty) overview information follows:"); - conn.println("."); - } - } - else - { - for(long n = artStart; n <= artEnd; n += MAX_LINES_PER_DBREQUEST) - { - long nEnd = Math.min(n + MAX_LINES_PER_DBREQUEST - 1, artEnd); - List> articleHeads = conn.getCurrentChannel() - .getArticleHeads(n, nEnd); - if(articleHeads.isEmpty() && n == artStart - && command[0].equalsIgnoreCase("OVER")) - { - // This reply is only valid for OVER, not for XOVER command - conn.println("423 no articles in that range"); - return; - } - else if(n == artStart) - { - // XOVER replies this although there is no data available - conn.println("224 overview information follows"); - } + if (artStart > artEnd) { + if (command[0].equalsIgnoreCase("OVER")) { + conn.println("423 no articles in that range"); + } else { + conn.println("224 (empty) overview information follows:"); + conn.println("."); + } + } else { + for (long n = artStart; n <= artEnd; n += MAX_LINES_PER_DBREQUEST) { + long nEnd = Math.min(n + MAX_LINES_PER_DBREQUEST - 1, artEnd); + List> articleHeads = conn.getCurrentChannel().getArticleHeads(n, nEnd); + if (articleHeads.isEmpty() && n == artStart + && command[0].equalsIgnoreCase("OVER")) { + // This reply is only valid for OVER, not for XOVER command + conn.println("423 no articles in that range"); + return; + } else if (n == artStart) { + // XOVER replies this although there is no data available + conn.println("224 overview information follows"); + } - for(Pair article : articleHeads) - { - String overview = buildOverview(article.getB(), article.getA()); - conn.println(overview); - } - } // for - conn.println("."); - } - } - } - } - - private String buildOverview(ArticleHead art, long nr) - { - StringBuilder overview = new StringBuilder(); - overview.append(nr); - overview.append('\t'); + for (Pair article : articleHeads) { + String overview = buildOverview(article.getB(), article.getA()); + conn.println(overview); + } + } // for + conn.println("."); + } + } + } + } - String subject = art.getHeader(Headers.SUBJECT)[0]; - if("".equals(subject)) - { - subject = ""; - } - overview.append(escapeString(subject)); - overview.append('\t'); + private String buildOverview(ArticleHead art, long nr) + { + StringBuilder overview = new StringBuilder(); + overview.append(nr); + overview.append('\t'); - overview.append(escapeString(art.getHeader(Headers.FROM)[0])); - overview.append('\t'); - overview.append(escapeString(art.getHeader(Headers.DATE)[0])); - overview.append('\t'); - overview.append(escapeString(art.getHeader(Headers.MESSAGE_ID)[0])); - overview.append('\t'); - overview.append(escapeString(art.getHeader(Headers.REFERENCES)[0])); - overview.append('\t'); + String subject = art.getHeader(Headers.SUBJECT)[0]; + if ("".equals(subject)) { + subject = ""; + } + overview.append(escapeString(subject)); + overview.append('\t'); - String bytes = art.getHeader(Headers.BYTES)[0]; - if("".equals(bytes)) - { - bytes = "0"; - } - overview.append(escapeString(bytes)); - overview.append('\t'); + overview.append(escapeString(art.getHeader(Headers.FROM)[0])); + overview.append('\t'); + overview.append(escapeString(art.getHeader(Headers.DATE)[0])); + overview.append('\t'); + overview.append(escapeString(art.getHeader(Headers.MESSAGE_ID)[0])); + overview.append('\t'); + overview.append(escapeString(art.getHeader(Headers.REFERENCES)[0])); + overview.append('\t'); - String lines = art.getHeader(Headers.LINES)[0]; - if("".equals(lines)) - { - lines = "0"; - } - overview.append(escapeString(lines)); - overview.append('\t'); - overview.append(escapeString(art.getHeader(Headers.XREF)[0])); + String bytes = art.getHeader(Headers.BYTES)[0]; + if ("".equals(bytes)) { + bytes = "0"; + } + overview.append(escapeString(bytes)); + overview.append('\t'); - // Remove trailing tabs if some data is empty - return overview.toString().trim(); - } - - private String escapeString(String str) - { - String nstr = str.replace("\r", ""); - nstr = nstr.replace('\n', ' '); - nstr = nstr.replace('\t', ' '); - return nstr.trim(); - } - + String lines = art.getHeader(Headers.LINES)[0]; + if ("".equals(lines)) { + lines = "0"; + } + overview.append(escapeString(lines)); + overview.append('\t'); + overview.append(escapeString(art.getHeader(Headers.XREF)[0])); + + // Remove trailing tabs if some data is empty + return overview.toString().trim(); + } + + private String escapeString(String str) + { + String nstr = str.replace("\r", ""); + nstr = nstr.replace('\n', ' '); + nstr = nstr.replace('\t', ' '); + return nstr.trim(); + } }