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107 lines
4.4 KiB
107 lines
4.4 KiB
// plasmaURLPattern.java
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// -----------------------
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// part of YaCy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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// last major change: 11.07.2005
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma.urlPattern;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.HashMap;
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public class defaultURLPattern extends abstractURLPattern implements plasmaURLPattern {
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public defaultURLPattern(File rootPath) {
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super(rootPath);
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}
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public String getEngineInfo() {
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return "Default YaCy Blacklist Engine";
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}
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public boolean isListed(String blacklistType, String hostlow, String path) {
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if (hostlow == null) throw new NullPointerException();
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if (path == null) throw new NullPointerException();
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// getting the proper blacklist
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HashMap<String, ArrayList<String>> blacklistMap = super.getBlacklistMap(blacklistType);
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if (path.length() > 0 && path.charAt(0) == '/') path = path.substring(1);
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ArrayList<String> app;
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boolean matched = false;
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String pp = ""; // path-pattern
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// first try to match the domain with wildcard '*'
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// [TL] While "." are found within the string
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int index = 0;
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while (!matched && (index = hostlow.indexOf('.', index + 1)) != -1) {
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if ((app = blacklistMap.get(hostlow.substring(0, index + 1) + "*")) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = (String)app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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}
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index = hostlow.length();
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while (!matched && (index = hostlow.lastIndexOf('.', index - 1)) != -1) {
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if ((app = blacklistMap.get("*" + hostlow.substring(index, hostlow.length()))) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = (String)app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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}
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// try to match without wildcard in domain
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if (!matched && (app = blacklistMap.get(hostlow)) != null) {
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for (int i=app.size()-1; !matched && i>-1; i--) {
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pp = (String)app.get(i);
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matched |= ((pp.equals("*")) || (path.matches(pp)));
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}
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}
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return matched;
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}
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}
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