mirror of
https://github.com/yacy/yacy_search_server.git
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af10f729df
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4225 6c8d7289-2bf4-0310-a012-ef5d649a1542
98 lines
3.6 KiB
Java
98 lines
3.6 KiB
Java
// plasmaProtocolLoader.java
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// (C) 2007 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 24.10.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
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// $LastChangedRevision: 1986 $
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// $LastChangedBy: orbiter $
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//
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// LICENSE
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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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package de.anomic.plasma.crawler;
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import java.util.Arrays;
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import java.util.HashSet;
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import de.anomic.plasma.plasmaCrawlEntry;
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import de.anomic.plasma.plasmaHTCache;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.logging.serverLog;
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public final class plasmaProtocolLoader {
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private plasmaSwitchboard sb;
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private serverLog log;
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private HashSet supportedProtocols;
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private plasmaHTTPLoader httpLoader;
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private plasmaFTPLoader ftpLoader;
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public plasmaProtocolLoader(plasmaSwitchboard sb, serverLog log) {
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this.sb = sb;
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this.log = log;
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this.supportedProtocols = new HashSet(Arrays.asList(new String[]{"http","https"/* ,"ftp" */}));
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// initiate loader objects
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httpLoader = new plasmaHTTPLoader(sb, log);
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ftpLoader = new plasmaFTPLoader(sb, log);
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}
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public boolean isSupportedProtocol(String protocol) {
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if ((protocol == null) || (protocol.length() == 0)) return false;
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return this.supportedProtocols.contains(protocol.trim().toLowerCase());
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}
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public HashSet getSupportedProtocols() {
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return (HashSet) this.supportedProtocols.clone();
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}
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public plasmaHTCache.Entry load(plasmaCrawlEntry entry, String parserMode) {
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// getting the protocol of the next URL
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String protocol = entry.url().getProtocol();
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if ((protocol.equals("http") || (protocol.equals("https")))) return httpLoader.load(entry, parserMode);
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if (protocol.equals("ftp")) return ftpLoader.load(entry);
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this.log.logWarning("Unsupported protocol '" + protocol + "' in url " + entry.url());
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return null;
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}
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public String process(plasmaCrawlEntry entry, String parserMode) {
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// load a resource, store it to htcache and push queue entry to switchboard queue
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// returns null if everything went fine, a fail reason string if a problem occurred
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plasmaHTCache.Entry h;
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try {
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h = load(entry, parserMode);
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entry.setStatus("loaded");
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if (h == null) return "load failed";
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boolean stored = sb.htEntryStoreProcess(h);
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entry.setStatus("stored-" + ((stored) ? "ok" : "fail"));
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return (stored) ? null : "not stored";
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} catch (Exception e) {
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log.logWarning("problem loading " + entry.url().toString(), e);
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return "load error - " + e.getMessage();
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}
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}
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}
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