Java tutorial
/* * Created on 07/04/2006 * Created by David Mohr, based on Alias.java by Paul Duran * Copyright (C) 2006 Aelitis, All Rights Reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * AELITIS, SAS au capital de 46,603.30 euros * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France. * */ package org.gudy.azureus2.ui.console.commands; import java.io.PrintStream; import java.util.LinkedList; import java.util.List; import org.apache.commons.cli.CommandLine; import org.gudy.azureus2.core3.disk.DiskManagerFileInfo; import org.gudy.azureus2.core3.download.DownloadManager; import org.gudy.azureus2.ui.console.ConsoleInput; /** * the priority command changes the priority of files within a torrent * @author dmohr */ public class Priority extends OptionsConsoleCommand { public Priority() { super("prio"); } public String getCommandDescriptions() { return "prio [#torrent] [#file|range(i.e. 1-2,5)|all] [normal|high|dnd|del]"; } public void printHelpExtra(PrintStream out, List args) { out.println("> -----"); out.println("Usage: prio [torrent] [file(s)] [priority]"); out.println("Options:"); out.println("\t[torrent]\tThe torrent number from 'show torrents'"); out.println("\t[file(s)] is one of:"); out.println("\t\t\t#file:\tthe file number from 'show [#torrent]',"); out.println("\t\t\trange:\ta range of file numbers, i.e. 1-3 or 1-10,12-15 or 1,3,5-8 ,"); out.println("\t\t\tall:\t 'all' applies priority to all files of the torrent"); out.println("\t[priority] is one of:"); out.println("\t\t\tnormal\tNormal priority"); out.println("\t\t\thigh \tHigh priority"); out.println("\t\t\tdnd \tDo not download (skip)"); out.println("\t\t\tdel \tDo not download & delete file"); out.println("> -----"); } private static final int NORMAL = 1; private static final int HIGH = 2; private static final int DONOTDOWNLOAD = 3; private static final int DELETE = 4; private static final String[] priostr = { "Normal", "High", "DoNotDownload", "Delete" }; private int newprio; public void execute(String commandName, ConsoleInput console, CommandLine commandLine) { String tnumstr, fnumstr, newpriostr; int tnumber; DiskManagerFileInfo[] files; String[] sections; List args = commandLine.getArgList(); LinkedList fs, fe; DownloadManager dm; if (args.isEmpty()) { console.out.println("Torrent # required!"); return; } else { tnumstr = (String) args.remove(0); } if (args.isEmpty()) { console.out.println("File # required!"); return; } else { fnumstr = (String) args.remove(0); } if ((console.torrents == null) || console.torrents.isEmpty()) { console.out.println("> Command 'prio': No torrents in list (try 'show torrents' first)."); return; } try { tnumber = Integer.parseInt(tnumstr); if ((tnumber == 0) || (tnumber > console.torrents.size())) { console.out.println("> Command 'prio': Torrent #" + tnumber + " unknown."); return; } dm = (DownloadManager) console.torrents.get(tnumber - 1); files = dm.getDiskManagerFileInfo(); } catch (Exception e) { e.printStackTrace(); console.out.println("> Command 'prio': Torrent # '" + tnumstr + "' unknown."); return; } if (args.isEmpty()) { console.out.println("> Command 'prio': missing parameter for new priority"); return; } else { newpriostr = (String) args.remove(0); } if (newpriostr.equalsIgnoreCase("normal")) { newprio = NORMAL; } else if (newpriostr.equalsIgnoreCase("high")) { newprio = HIGH; } else if (newpriostr.equalsIgnoreCase("dnd")) { newprio = DONOTDOWNLOAD; } else if (newpriostr.equalsIgnoreCase("del")) { newprio = DELETE; } else { console.out.println("> Command 'prio': unknown priority " + newpriostr); return; } if (fnumstr.equalsIgnoreCase("all")) { sections = new String[1]; sections[0] = "1-" + files.length; } else sections = fnumstr.split(","); fs = new LinkedList(); fe = new LinkedList(); int dash, start, end; for (int i = 0; i < sections.length; i++) { try { if ((dash = sections[i].indexOf('-')) != -1) { start = Integer.parseInt(sections[i].substring(0, dash)); end = Integer.parseInt(sections[i].substring(dash + 1)); } else start = end = Integer.parseInt(sections[i]); if ((start == 0) || (end > files.length)) { console.out.println("> Command 'prio': Invalid file range " + sections[i]); return; } if (start > end) { console.out.println("> Command 'prio': Invalid file range '" + sections[i] + "'"); } // -1 compensates for 0-based offsets fs.add(new Integer(start - 1)); fe.add(new Integer(end - 1)); } catch (Exception e) { console.out.println("> Command 'prio': File # '" + sections[i] + "' unknown."); return; } } // console.out.println("DM was " + dm.getState()); if ((newprio == DELETE) && (dm.getState() != DownloadManager.STATE_STOPPED)) { try { dm.stopIt(DownloadManager.STATE_STOPPED, false, false); } catch (Exception e) { console.out.println("Failed to stop torrent " + tnumber); return; } } // console.out.println("DM is " + dm.getState()); int nummod = 0; while (fs.size() > 0) { start = ((Integer) fs.removeFirst()).intValue(); end = ((Integer) fe.removeFirst()).intValue(); for (int i = start; i <= end; i++) { nummod++; // DEBUG // console.out.println("Setting priority for file " + i + " to " + newprio); if (newprio == NORMAL) { files[i].setPriority(0); files[i].setSkipped(false); } else if (newprio == HIGH) { files[i].setPriority(1); files[i].setSkipped(false); } else if (newprio == DONOTDOWNLOAD) { files[i].setPriority(0); files[i].setSkipped(true); } else if (newprio == DELETE) { int st = files[i].getStorageType(); int target_st = -1; if (st == DiskManagerFileInfo.ST_LINEAR) { target_st = DiskManagerFileInfo.ST_COMPACT; } else if (st == DiskManagerFileInfo.ST_REORDER) { target_st = DiskManagerFileInfo.ST_REORDER_COMPACT; } if (target_st != -1 && files[i].setStorageType(target_st)) { files[i].setPriority(0); files[i].setSkipped(true); } else { console.out.println("> Command 'prio': Failed to delete file " + (i + 1)); nummod--; } } } } if ((newprio == DELETE) && (dm.getState() == DownloadManager.STATE_STOPPED)) { try { dm.stopIt(DownloadManager.STATE_QUEUED, false, false); } catch (Exception e) { console.out.println("Failed to restart torrent " + tnumber); return; } } // console.out.println("DM is again " + dm.getState()); console.out.println(nummod + " file(s) priority set to " + priostr[newprio - 1]); } }