Java tutorial
/* * Created by Angel Leon (@gubatron), Alden Torres (aldenml) * Copyright (c) 2011-2014, FrostWire(R). 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 3 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, see <http://www.gnu.org/licenses/>. */ package com.frostwire.search.bitsnoop; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.text.SimpleDateFormat; import java.util.HashMap; import java.util.Locale; import java.util.Map; import org.apache.commons.io.FilenameUtils; import com.frostwire.search.SearchMatcher; import com.frostwire.search.torrent.AbstractTorrentSearchResult; import com.frostwire.util.HtmlManipulator; import com.frostwire.util.StringUtils; /** * * @author gubatron * @author aldenml * */ public class BitSnoopSearchResult extends AbstractTorrentSearchResult { private final static long[] BYTE_MULTIPLIERS = new long[] { 1, 2 << 9, 2 << 19, 2 << 29, 2 << 39, 2 << 49 }; private static final Map<String, Integer> UNIT_TO_BYTE_MULTIPLIERS_MAP; static { UNIT_TO_BYTE_MULTIPLIERS_MAP = new HashMap<String, Integer>(); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("B", 0); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("KB", 1); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("MB", 2); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("GB", 3); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("TB", 4); UNIT_TO_BYTE_MULTIPLIERS_MAP.put("PB", 5); } private String filename; private String displayName; private String detailsUrl; private String torrentUrl; private String infoHash; private long size; private long creationTime; private int seeds; public BitSnoopSearchResult(String detailsUrl, SearchMatcher matcher) { this.detailsUrl = detailsUrl; this.infoHash = matcher.group(1); this.filename = parseFileName(matcher.group(2), FilenameUtils.getBaseName(detailsUrl)); this.torrentUrl = matcher.group(3); this.size = parseSize(matcher.group(4)); this.seeds = parseSeeds(matcher.group(5)); this.creationTime = parseCreationTime(matcher.group(6)); this.displayName = HtmlManipulator.replaceHtmlEntities(FilenameUtils.getBaseName(filename)); } @Override public long getSize() { return size; } @Override public long getCreationTime() { return creationTime; } @Override public String getSource() { return "BitSnoop"; } @Override public String getHash() { return infoHash; } @Override public int getSeeds() { return seeds; } @Override public String getDetailsUrl() { return detailsUrl; } @Override public String getDisplayName() { return displayName; } @Override public String getFilename() { return filename; } @Override public String getTorrentUrl() { return torrentUrl; } private String parseFileName(String urlEncodedFileName, String fallbackName) { String decodedFileName = fallbackName; try { if (!StringUtils.isNullOrEmpty(urlEncodedFileName)) { decodedFileName = URLDecoder.decode(urlEncodedFileName, "UTF-8"); } } catch (UnsupportedEncodingException e) { } return decodedFileName + ".torrent"; } private long parseSize(String group) { String[] size = group.trim().split(" "); String amount = size[0].trim(); String unit = size[1].trim(); long multiplier = BYTE_MULTIPLIERS[UNIT_TO_BYTE_MULTIPLIERS_MAP.get(unit)]; //fractional size if (amount.indexOf(".") > 0) { float floatAmount = Float.parseFloat(amount); return (long) (floatAmount * multiplier); } //integer based size else { int intAmount = Integer.parseInt(amount); return (long) (intAmount * multiplier); } } private int parseSeeds(String group) { try { if (group.indexOf("0 / 0") == -1) { group = group.split("\"Seeders\">")[1]; group = group.split("</span>")[0]; group = group.replace(",", ""); } else { group = "0"; } return Integer.parseInt(group); } catch (Exception e) { return 0; } } //dateString looks like 25-OCT-13 private long parseCreationTime(String dateString) { long result = System.currentTimeMillis(); try { SimpleDateFormat myFormat = new SimpleDateFormat("dd-MMM-yy", Locale.US); result = myFormat.parse(dateString).getTime(); } catch (Throwable t) { } return result; } }