// indexEntryAttribute.java // (C) 2006 by Michael Peter Christen; mc@anomic.de, Frankfurt a. M., Germany // first published 16.05.2006 on http://www.anomic.de // // This is a part of YaCy, a peer-to-peer based web search engine // // $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $ // $LastChangedRevision: 1986 $ // $LastChangedBy: orbiter $ // // LICENSE // // 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 package de.anomic.index; import java.net.URL; import de.anomic.htmlFilter.htmlFilterContentScraper; import de.anomic.kelondro.kelondroBase64Order; import de.anomic.server.serverCodings; import de.anomic.yacy.yacySeedDB; public class indexEntryAttribute { // the size of a word hash public static final int wordHashLength = yacySeedDB.commonHashLength; // 12 public static final int urlHashLength = yacySeedDB.commonHashLength; // 12 // doctypes: public static final char DT_PDFPS = 'p'; public static final char DT_TEXT = 't'; public static final char DT_HTML = 'h'; public static final char DT_DOC = 'd'; public static final char DT_IMAGE = 'i'; public static final char DT_MOVIE = 'm'; public static final char DT_FLASH = 'f'; public static final char DT_SHARE = 's'; public static final char DT_AUDIO = 'a'; public static final char DT_BINARY = 'b'; public static final char DT_UNKNOWN = 'u'; // appearance locations: (used for flags) public static final int AP_TITLE = 0; // title tag from html header public static final int AP_H1 = 1; // headline - top level public static final int AP_H2 = 2; // headline, second level public static final int AP_H3 = 3; // headline, 3rd level public static final int AP_H4 = 4; // headline, 4th level public static final int AP_H5 = 5; // headline, 5th level public static final int AP_H6 = 6; // headline, 6th level public static final int AP_TEXT = 7; // word appears in text (used to check validation of other appearances against spam) public static final int AP_DOM = 8; // word inside an url: in Domain public static final int AP_PATH = 9; // word inside an url: in path public static final int AP_IMG = 10; // tag inside image references public static final int AP_ANCHOR = 11; // anchor description public static final int AP_ENV = 12; // word appears in environment (similar to anchor appearance) public static final int AP_BOLD = 13; // may be interpreted as emphasized public static final int AP_ITALICS = 14; // may be interpreted as emphasized public static final int AP_WEAK = 15; // for Text that is small or bareley visible public static final int AP_INVISIBLE = 16; // good for spam detection public static final int AP_TAG = 17; // for tagged indexeing (i.e. using mp3 tags) public static final int AP_AUTHOR = 18; // word appears in author name public static final int AP_OPUS = 19; // word appears in name of opus, which may be an album name (in mp3 tags) public static final int AP_TRACK = 20; // word appears in track name (i.e. in mp3 tags) // URL attributes public static final int UA_LOCAL = 0; // URL was crawled locally public static final int UA_TILDE = 1; // tilde appears in URL public static final int UA_REDIRECT = 2; // The URL is a redirection // local flag attributes public static final char LT_LOCAL = 'L'; public static final char LT_GLOBAL = 'G'; // create a word hash public static String word2hash(String word) { return kelondroBase64Order.enhancedCoder.encode(serverCodings.encodeMD5Raw(word.toLowerCase())).substring(0, indexEntryAttribute.wordHashLength); } // doctype calculation public static char docType(URL url) { String path = htmlFilterContentScraper.urlNormalform(url); // serverLog.logFinest("PLASMA", "docType URL=" + path); char doctype = doctype = indexEntryAttribute.DT_UNKNOWN; if (path.endsWith(".gif")) { doctype = indexEntryAttribute.DT_IMAGE; } else if (path.endsWith(".jpg")) { doctype = indexEntryAttribute.DT_IMAGE; } else if (path.endsWith(".jpeg")) { doctype = indexEntryAttribute.DT_IMAGE; } else if (path.endsWith(".png")) { doctype = indexEntryAttribute.DT_IMAGE; } else if (path.endsWith(".html")) { doctype = indexEntryAttribute.DT_HTML; } else if (path.endsWith(".txt")) { doctype = indexEntryAttribute.DT_TEXT; } else if (path.endsWith(".doc")) { doctype = indexEntryAttribute.DT_DOC; } else if (path.endsWith(".rtf")) { doctype = indexEntryAttribute.DT_DOC; } else if (path.endsWith(".pdf")) { doctype = indexEntryAttribute.DT_PDFPS; } else if (path.endsWith(".ps")) { doctype = indexEntryAttribute.DT_PDFPS; } else if (path.endsWith(".avi")) { doctype = indexEntryAttribute.DT_MOVIE; } else if (path.endsWith(".mov")) { doctype = indexEntryAttribute.DT_MOVIE; } else if (path.endsWith(".qt")) { doctype = indexEntryAttribute.DT_MOVIE; } else if (path.endsWith(".mpg")) { doctype = indexEntryAttribute.DT_MOVIE; } else if (path.endsWith(".md5")) { doctype = indexEntryAttribute.DT_SHARE; } else if (path.endsWith(".mpeg")) { doctype = indexEntryAttribute.DT_MOVIE; } else if (path.endsWith(".asf")) { doctype = indexEntryAttribute.DT_FLASH; } return doctype; } public static char docType(String mime) { // serverLog.logFinest("PLASMA", "docType mime=" + mime); char doctype = indexEntryAttribute.DT_UNKNOWN; if (mime == null) doctype = indexEntryAttribute.DT_UNKNOWN; else if (mime.startsWith("image/")) doctype = indexEntryAttribute.DT_IMAGE; else if (mime.endsWith("/gif")) doctype = indexEntryAttribute.DT_IMAGE; else if (mime.endsWith("/jpeg")) doctype = indexEntryAttribute.DT_IMAGE; else if (mime.endsWith("/png")) doctype = indexEntryAttribute.DT_IMAGE; else if (mime.endsWith("/html")) doctype = indexEntryAttribute.DT_HTML; else if (mime.endsWith("/rtf")) doctype = indexEntryAttribute.DT_DOC; else if (mime.endsWith("/pdf")) doctype = indexEntryAttribute.DT_PDFPS; else if (mime.endsWith("/octet-stream")) doctype = indexEntryAttribute.DT_BINARY; else if (mime.endsWith("/x-shockwave-flash")) doctype = indexEntryAttribute.DT_FLASH; else if (mime.endsWith("/msword")) doctype = indexEntryAttribute.DT_DOC; else if (mime.endsWith("/mspowerpoint")) doctype = indexEntryAttribute.DT_DOC; else if (mime.endsWith("/postscript")) doctype = indexEntryAttribute.DT_PDFPS; else if (mime.startsWith("text/")) doctype = indexEntryAttribute.DT_TEXT; else if (mime.startsWith("image/")) doctype = indexEntryAttribute.DT_IMAGE; else if (mime.startsWith("audio/")) doctype = indexEntryAttribute.DT_AUDIO; else if (mime.startsWith("video/")) doctype = indexEntryAttribute.DT_MOVIE; //bz2 = application/x-bzip2 //dvi = application/x-dvi //gz = application/gzip //hqx = application/mac-binhex40 //lha = application/x-lzh //lzh = application/x-lzh //pac = application/x-ns-proxy-autoconfig //php = application/x-httpd-php //phtml = application/x-httpd-php //rss = application/xml //tar = application/tar //tex = application/x-tex //tgz = application/tar //torrent = application/x-bittorrent //xhtml = application/xhtml+xml //xla = application/msexcel //xls = application/msexcel //xsl = application/xml //xml = application/xml //Z = application/x-compress //zip = application/zip return doctype; } // language calculation public static String language(URL url) { String language = "uk"; String host = url.getHost(); int pos = host.lastIndexOf("."); if ((pos > 0) && (host.length() - pos == 3)) language = host.substring(pos + 1).toLowerCase(); return language; } }