mirror of
https://github.com/yacy/yacy_search_server.git
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2327451653
- removed mainly unused init-time for databases (was only used for tree tables, which are not used any more) git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@4496 6c8d7289-2bf4-0310-a012-ef5d649a1542
690 lines
29 KiB
Java
690 lines
29 KiB
Java
// plasmaCrawlLURL.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, 2004
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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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/*
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This class provides storage functions for the plasma search engine.
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- the url-specific properties, including condenser results
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- the text content of the url
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Both entities are accessed with a hash, which is based on the MD5
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algorithm. The MD5 is not encoded as a hex value, but a b64 value.
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*/
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package de.anomic.plasma;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.MalformedURLException;
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import java.util.Date;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.LinkedList;
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import de.anomic.data.htmlTools;
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import de.anomic.http.httpc;
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import de.anomic.http.httpc.response;
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import de.anomic.index.indexRWIEntry;
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import de.anomic.index.indexURLEntry;
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import de.anomic.kelondro.kelondroBase64Order;
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import de.anomic.kelondro.kelondroCache;
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import de.anomic.kelondro.kelondroCloneableIterator;
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import de.anomic.kelondro.kelondroException;
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import de.anomic.kelondro.kelondroIndex;
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import de.anomic.kelondro.kelondroRow;
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import de.anomic.kelondro.kelondroRowSet;
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import de.anomic.kelondro.kelondroSplitTable;
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import de.anomic.plasma.urlPattern.plasmaURLPattern;
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import de.anomic.server.serverCodings;
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import de.anomic.server.logging.serverLog;
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import de.anomic.yacy.yacySeedDB;
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import de.anomic.yacy.yacyURL;
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public final class plasmaCrawlLURL {
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// result stacks;
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// these have all entries of form
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// strings: urlHash + initiatorHash + ExecutorHash
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private final LinkedList<String> externResultStack; // 1 - remote index: retrieved by other peer
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private final LinkedList<String> searchResultStack; // 2 - partly remote/local index: result of search queries
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private final LinkedList<String> transfResultStack; // 3 - partly remote/local index: result of index transfer
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private final LinkedList<String> proxyResultStack; // 4 - local index: result of proxy fetch/prefetch
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private final LinkedList<String> lcrawlResultStack; // 5 - local index: result of local crawling
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private final LinkedList<String> gcrawlResultStack; // 6 - local index: triggered external
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// the class object
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private kelondroIndex urlIndexFile;
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public plasmaCrawlLURL(File indexPath) {
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super();
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urlIndexFile = new kelondroSplitTable(new File(indexPath, "PUBLIC/TEXT"), "urls", indexURLEntry.rowdef, false);
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// init result stacks
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externResultStack = new LinkedList<String>();
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searchResultStack = new LinkedList<String>();
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transfResultStack = new LinkedList<String>();
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proxyResultStack = new LinkedList<String>();
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lcrawlResultStack = new LinkedList<String>();
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gcrawlResultStack = new LinkedList<String>();
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}
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public int size() {
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return urlIndexFile.size();
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}
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public void close() {
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if (urlIndexFile != null) {
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urlIndexFile.close();
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urlIndexFile = null;
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}
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}
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public synchronized void stack(indexURLEntry e, String initiatorHash, String executorHash, int stackType) {
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if (e == null) { return; }
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try {
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if (initiatorHash == null) { initiatorHash = yacyURL.dummyHash; }
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if (executorHash == null) { executorHash = yacyURL.dummyHash; }
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switch (stackType) {
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case 0: break;
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case 1: externResultStack.add(e.hash() + initiatorHash + executorHash); break;
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case 2: searchResultStack.add(e.hash() + initiatorHash + executorHash); break;
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case 3: transfResultStack.add(e.hash() + initiatorHash + executorHash); break;
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case 4: proxyResultStack.add(e.hash() + initiatorHash + executorHash); break;
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case 5: lcrawlResultStack.add(e.hash() + initiatorHash + executorHash); break;
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case 6: gcrawlResultStack.add(e.hash() + initiatorHash + executorHash); break;
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}
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return;
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} catch (Exception ex) {
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System.out.println("INTERNAL ERROR in newEntry/2: " + ex.toString());
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return;
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}
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}
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public synchronized void notifyGCrawl(String urlHash, String initiatorHash, String executorHash) {
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gcrawlResultStack.add(urlHash + initiatorHash + executorHash);
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}
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public synchronized int writeCacheSize() {
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if (urlIndexFile instanceof kelondroSplitTable) return ((kelondroSplitTable) urlIndexFile).writeBufferSize();
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if (urlIndexFile instanceof kelondroCache) return ((kelondroCache) urlIndexFile).writeBufferSize();
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return 0;
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}
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public synchronized indexURLEntry load(String urlHash, indexRWIEntry searchedWord, long ranking) {
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// generates an plasmaLURLEntry using the url hash
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// to speed up the access, the url-hashes are buffered
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// in the hash cache.
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// we have two options to find the url:
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// - look into the hash cache
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// - look into the filed properties
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// if the url cannot be found, this returns null
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if (urlHash == null) return null;
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try {
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kelondroRow.Entry entry = urlIndexFile.get(urlHash.getBytes());
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if (entry == null) return null;
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return new indexURLEntry(entry, searchedWord, ranking);
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} catch (IOException e) {
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return null;
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}
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}
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public synchronized void store(indexURLEntry entry) throws IOException {
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// Check if there is a more recent Entry already in the DB
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indexURLEntry oldEntry;
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try {
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if (exists(entry.hash())) {
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oldEntry = load(entry.hash(), null, 0);
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} else {
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oldEntry = null;
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}
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} catch (Exception e) {
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e.printStackTrace();
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oldEntry = null;
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}
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if ((oldEntry != null) && (entry.isOlder(oldEntry))) {
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// the fetched oldEntry is better, so return its properties instead of the new ones
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// this.urlHash = oldEntry.urlHash; // unnecessary, should be the same
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// this.url = oldEntry.url; // unnecessary, should be the same
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entry = oldEntry;
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return; // this did not need to be stored, but is updated
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}
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urlIndexFile.put(entry.toRowEntry(), new Date() /*entry.loaddate()*/);
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}
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public synchronized indexURLEntry newEntry(String propStr) {
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if (propStr != null && propStr.startsWith("{") && propStr.endsWith("}")) try {
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return new indexURLEntry(serverCodings.s2p(propStr.substring(1, propStr.length() - 1)));
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} catch (kelondroException e) {
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// wrong format
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return null;
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} else {
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return null;
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}
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}
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public synchronized int getStackSize(int stack) {
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switch (stack) {
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case 1: return externResultStack.size();
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case 2: return searchResultStack.size();
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case 3: return transfResultStack.size();
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case 4: return proxyResultStack.size();
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case 5: return lcrawlResultStack.size();
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case 6: return gcrawlResultStack.size();
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}
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return -1;
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}
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public synchronized String getUrlHash(int stack, int pos) {
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switch (stack) {
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case 1: return ((String) externResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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case 2: return ((String) searchResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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case 3: return ((String) transfResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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case 4: return ((String) proxyResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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case 5: return ((String) lcrawlResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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case 6: return ((String) gcrawlResultStack.get(pos)).substring(0, yacySeedDB.commonHashLength);
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}
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return null;
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}
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public synchronized String getInitiatorHash(int stack, int pos) {
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switch (stack) {
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case 1: return ((String) externResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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case 2: return ((String) searchResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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case 3: return ((String) transfResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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case 4: return ((String) proxyResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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case 5: return ((String) lcrawlResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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case 6: return ((String) gcrawlResultStack.get(pos)).substring(yacySeedDB.commonHashLength, yacySeedDB.commonHashLength * 2);
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}
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return null;
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}
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public synchronized String getExecutorHash(int stack, int pos) {
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switch (stack) {
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case 1: return ((String) externResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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case 2: return ((String) searchResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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case 3: return ((String) transfResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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case 4: return ((String) proxyResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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case 5: return ((String) lcrawlResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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case 6: return ((String) gcrawlResultStack.get(pos)).substring(yacySeedDB.commonHashLength * 2, yacySeedDB.commonHashLength * 3);
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}
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return null;
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}
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public synchronized boolean removeStack(int stack, int pos) {
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Object prevElement = null;
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switch (stack) {
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case 1: prevElement = externResultStack.remove(pos); break;
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case 2: prevElement = searchResultStack.remove(pos); break;
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case 3: prevElement = transfResultStack.remove(pos); break;
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case 4: prevElement = proxyResultStack.remove(pos); break;
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case 5: prevElement = lcrawlResultStack.remove(pos); break;
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case 6: prevElement = gcrawlResultStack.remove(pos); break;
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}
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return prevElement != null;
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}
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public synchronized void clearStack(int stack) {
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switch (stack) {
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case 1: externResultStack.clear(); break;
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case 2: searchResultStack.clear(); break;
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case 3: transfResultStack.clear(); break;
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case 4: proxyResultStack.clear(); break;
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case 5: lcrawlResultStack.clear(); break;
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case 6: gcrawlResultStack.clear(); break;
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}
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}
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public synchronized boolean remove(String urlHash) {
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if (urlHash == null) return false;
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try {
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kelondroRow.Entry r = urlIndexFile.remove(urlHash.getBytes(), false);
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if (r == null) return false;
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for (int stack = 1; stack <= 6; stack++) {
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for (int i = getStackSize(stack) - 1; i >= 0; i--) {
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if (getUrlHash(stack, i).equals(urlHash)) {
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removeStack(stack, i);
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return true;
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}
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}
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}
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return true;
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} catch (IOException e) {
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return false;
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}
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}
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public synchronized boolean exists(String urlHash) {
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if (urlIndexFile == null) return false; // case may happen during shutdown
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try {
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return urlIndexFile.has(urlHash.getBytes());
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} catch (IOException e) {
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return false;
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}
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}
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public kelondroCloneableIterator<indexURLEntry> entries(boolean up, String firstHash) throws IOException {
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// enumerates entry elements
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return new kiter(up, firstHash);
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}
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public class kiter implements kelondroCloneableIterator<indexURLEntry> {
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// enumerates entry elements
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private Iterator<kelondroRow.Entry> iter;
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private boolean error;
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boolean up;
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public kiter(boolean up, String firstHash) throws IOException {
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this.up = up;
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this.iter = plasmaCrawlLURL.this.urlIndexFile.rows(up, (firstHash == null) ? null : firstHash.getBytes());
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this.error = false;
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}
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public kiter clone(Object secondHash) {
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try {
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return new kiter(up, (String) secondHash);
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} catch (IOException e) {
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return null;
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}
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}
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public final boolean hasNext() {
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if (this.error) return false;
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if (this.iter == null) return false;
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return this.iter.hasNext();
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}
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public final indexURLEntry next() {
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kelondroRow.Entry e = null;
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if (this.iter == null) { return null; }
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if (this.iter.hasNext()) { e = this.iter.next(); }
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if (e == null) { return null; }
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return new indexURLEntry(e, null, 0);
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}
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public final void remove() {
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this.iter.remove();
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}
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}
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/**
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* Uses an Iteration over urlHash.db to detect malformed URL-Entries.
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* Damaged URL-Entries will be marked in a HashSet and removed at the end of the function.
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*
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* @param homePath Root-Path where all information is to be found.
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*/
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public void urldbcleanup() {
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serverLog log = new serverLog("URLDBCLEANUP");
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HashSet<String> damagedURLS = new HashSet<String>();
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try {
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Iterator<indexURLEntry> eiter = entries(true, null);
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int iteratorCount = 0;
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while (eiter.hasNext()) try {
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eiter.next();
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iteratorCount++;
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} catch (RuntimeException e) {
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if(e.getMessage() != null) {
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String m = e.getMessage();
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damagedURLS.add(m.substring(m.length() - 12));
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} else {
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log.logSevere("RuntimeException:", e);
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}
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}
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try { Thread.sleep(1000); } catch (InterruptedException e) { }
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log.logInfo("URLs vorher: " + size() + " Entries loaded during Iteratorloop: " + iteratorCount + " kaputte URLs: " + damagedURLS.size());
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Iterator<String> eiter2 = damagedURLS.iterator();
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String urlHash;
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while (eiter2.hasNext()) {
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urlHash = (String) eiter2.next();
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// trying to fix the invalid URL
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httpc theHttpc = null;
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String oldUrlStr = null;
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try {
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// getting the url data as byte array
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kelondroRow.Entry entry = urlIndexFile.get(urlHash.getBytes());
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// getting the wrong url string
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oldUrlStr = entry.getColString(1, null).trim();
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int pos = -1;
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if ((pos = oldUrlStr.indexOf("://")) != -1) {
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// trying to correct the url
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String newUrlStr = "http://" + oldUrlStr.substring(pos + 3);
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yacyURL newUrl = new yacyURL(newUrlStr, null);
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// doing a http head request to test if the url is correct
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theHttpc = new httpc(newUrl.getHost(), newUrl.getHost(), newUrl.getPort(), 30000, false, plasmaSwitchboard.getSwitchboard().remoteProxyConfig, null, null);
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response res = theHttpc.HEAD(newUrl.getPath(), null);
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if (res.statusCode == 200) {
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entry.setCol(1, newUrl.toString().getBytes());
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urlIndexFile.put(entry);
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log.logInfo("UrlDB-Entry with urlHash '" + urlHash + "' corrected\n\tURL: " + oldUrlStr + " -> " + newUrlStr);
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} else {
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remove(urlHash);
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log.logInfo("UrlDB-Entry with urlHash '" + urlHash + "' removed\n\tURL: " + oldUrlStr + "\n\tConnection Status: " + res.status);
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}
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theHttpc.close();
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}
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} catch (Exception e) {
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remove(urlHash);
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log.logInfo("UrlDB-Entry with urlHash '" + urlHash + "' removed\n\tURL: " + oldUrlStr + "\n\tExecption: " + e.getMessage());
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} finally {
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if (theHttpc != null) try {
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theHttpc.close();
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} catch (Exception e) { }
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}
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}
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log.logInfo("URLs nachher: " + size() + " kaputte URLs: " + damagedURLS.size());
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} catch (IOException e) {
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log.logSevere("IOException", e);
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}
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}
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// The Cleaner class was provided as "UrldbCleaner" by Hydrox
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public Cleaner makeCleaner() {
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return new Cleaner();
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}
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public class Cleaner extends Thread {
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private boolean run = true;
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private boolean pause;
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public int blacklistedUrls = 0;
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public int totalSearchedUrls = 1;
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public String lastBlacklistedUrl = "";
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public String lastBlacklistedHash = "";
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public String lastUrl = "";
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public String lastHash = "";
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public Cleaner() {
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}
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public void run() {
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try {
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serverLog.logInfo("URLDBCLEANER", "UrldbCleaner-Thread startet");
|
|
final Iterator<indexURLEntry> eiter = entries(true, null);
|
|
while (eiter.hasNext() && run) {
|
|
synchronized (this) {
|
|
if (this.pause) {
|
|
try {
|
|
this.wait();
|
|
} catch (InterruptedException e) {
|
|
serverLog.logWarning("URLDBCLEANER", "InterruptedException", e);
|
|
this.run = false;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
final indexURLEntry entry = eiter.next();
|
|
if (entry == null) {
|
|
serverLog.logFine("URLDBCLEANER", "entry == null");
|
|
} else if (entry.hash() == null) {
|
|
serverLog.logFine("URLDBCLEANER", ++blacklistedUrls + " blacklisted (" + ((double) blacklistedUrls / totalSearchedUrls) * 100 + "%): " + "hash == null");
|
|
} else {
|
|
final indexURLEntry.Components comp = entry.comp();
|
|
totalSearchedUrls++;
|
|
if (comp.url() == null) {
|
|
serverLog.logFine("URLDBCLEANER", ++blacklistedUrls + " blacklisted (" + ((double) blacklistedUrls / totalSearchedUrls) * 100 + "%): " + entry.hash() + "URL == null");
|
|
remove(entry.hash());
|
|
} else if (plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_CRAWLER, comp.url()) ||
|
|
plasmaSwitchboard.urlBlacklist.isListed(plasmaURLPattern.BLACKLIST_DHT, comp.url())) {
|
|
lastBlacklistedUrl = comp.url().toNormalform(true, true);
|
|
lastBlacklistedHash = entry.hash();
|
|
serverLog.logFine("URLDBCLEANER", ++blacklistedUrls + " blacklisted (" + ((double) blacklistedUrls / totalSearchedUrls) * 100 + "%): " + entry.hash() + " " + comp.url().toNormalform(false, true));
|
|
remove(entry.hash());
|
|
if (blacklistedUrls % 100 == 0) {
|
|
serverLog.logInfo("URLDBCLEANER", "Deleted " + blacklistedUrls + " URLs until now. Last deleted URL-Hash: " + lastBlacklistedUrl);
|
|
}
|
|
}
|
|
lastUrl = comp.url().toNormalform(true, true);
|
|
lastHash = entry.hash();
|
|
}
|
|
}
|
|
} catch (RuntimeException e) {
|
|
if (e.getMessage() != null && e.getMessage().indexOf("not found in LURL") != -1) {
|
|
serverLog.logWarning("URLDBCLEANER", "urlHash not found in LURL", e);
|
|
}
|
|
else {
|
|
serverLog.logWarning("URLDBCLEANER", "RuntimeException", e);
|
|
run = false;
|
|
}
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
run = false;
|
|
}
|
|
serverLog.logInfo("URLDBCLEANER", "UrldbCleaner-Thread stopped");
|
|
}
|
|
|
|
public void abort() {
|
|
synchronized(this) {
|
|
run = false;
|
|
this.notifyAll();
|
|
}
|
|
}
|
|
|
|
public void pause() {
|
|
synchronized(this) {
|
|
if (!pause) {
|
|
pause = true;
|
|
serverLog.logInfo("URLDBCLEANER", "UrldbCleaner-Thread paused");
|
|
}
|
|
}
|
|
}
|
|
|
|
public void endPause() {
|
|
synchronized(this) {
|
|
if (pause) {
|
|
pause = false;
|
|
this.notifyAll();
|
|
serverLog.logInfo("URLDBCLEANER", "UrldbCleaner-Thread resumed");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private exportc exportthread = null;
|
|
|
|
public boolean export(File f, String filter, int format, boolean dom) {
|
|
if ((exportthread != null) && (exportthread.isAlive())) {
|
|
serverLog.logWarning("LURL-EXPORT", "cannot start another export thread, already one running");
|
|
return false;
|
|
}
|
|
this.exportthread = new exportc(f, filter, format, dom);
|
|
this.exportthread.start();
|
|
return (this.exportthread.isAlive());
|
|
}
|
|
|
|
public String export_failed() {
|
|
if (exportthread == null) return null;
|
|
return exportthread.failure;
|
|
}
|
|
|
|
public int export_count() {
|
|
if (exportthread == null) return 0;
|
|
return exportthread.count();
|
|
}
|
|
|
|
public boolean export_running() {
|
|
if (exportthread == null) return false;
|
|
return exportthread.isAlive();
|
|
}
|
|
|
|
public File export_file() {
|
|
if (exportthread == null) return null;
|
|
return exportthread.file();
|
|
}
|
|
|
|
public class exportc extends Thread {
|
|
File f;
|
|
String filter;
|
|
int count;
|
|
String failure;
|
|
int format;
|
|
boolean dom;
|
|
kelondroRowSet doms;
|
|
|
|
public exportc(File f, String filter, int format, boolean dom) {
|
|
// format: 0=text, 1=html, 2=rss/xml
|
|
this.f = f;
|
|
this.filter = filter;
|
|
this.count = 0;
|
|
this.failure = null;
|
|
this.format = format;
|
|
this.dom = dom;
|
|
if ((dom) && (format == 2)) dom = false;
|
|
this.doms = new kelondroRowSet(new kelondroRow("String hash-6", kelondroBase64Order.enhancedCoder, 0), 0);
|
|
}
|
|
|
|
public void run() {
|
|
try {
|
|
f.getParentFile().mkdirs();
|
|
PrintWriter pw = new PrintWriter(new BufferedOutputStream(new FileOutputStream(f)));
|
|
if (format == 1) {
|
|
pw.println("<html><head></head><body>");
|
|
}
|
|
if (format == 2) {
|
|
pw.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
pw.println("<?xml-stylesheet type='text/xsl' href='/yacysearch.xsl' version='1.0'?>");
|
|
pw.println("<rss version=\"2.0\">");
|
|
pw.println("<channel>");
|
|
pw.println("<title>YaCy Peer-to-Peer - Web-Search LURL Export</title>");
|
|
pw.println("<description></description>");
|
|
pw.println("<link>http://yacy.net</link>");
|
|
}
|
|
|
|
Iterator<indexURLEntry> i = entries(true, null); // iterates indexURLEntry objects
|
|
indexURLEntry entry;
|
|
indexURLEntry.Components comp;
|
|
String url;
|
|
loop: while (i.hasNext()) {
|
|
entry = i.next();
|
|
comp = entry.comp();
|
|
url = comp.url().toNormalform(true, false);
|
|
if (!url.matches(filter)) continue;
|
|
if (dom) {
|
|
if (doms.has(entry.hash().substring(6).getBytes())) continue loop;
|
|
doms.add(entry.hash().substring(6).getBytes());
|
|
url = comp.url().getHost();
|
|
if (format == 0) {
|
|
pw.println(url);
|
|
}
|
|
if (format == 1) {
|
|
pw.println("<a href=\"http://" + url + "\">" + url + "</a><br>");
|
|
}
|
|
} else {
|
|
if (format == 0) {
|
|
pw.println(url);
|
|
}
|
|
if (format == 1) {
|
|
pw.println("<a href=\"" + url + "\">" + htmlTools.encodeUnicode2html(comp.dc_title(), true, true) + "</a><br>");
|
|
}
|
|
if (format == 2) {
|
|
pw.println("<item>");
|
|
pw.println("<title>" + htmlTools.encodeUnicode2html(comp.dc_title(), true, true) + "</title>");
|
|
pw.println("<link>" + yacyURL.escape(url) + "</link>");
|
|
if (comp.dc_creator().length() > 0) pw.println("<author>" + htmlTools.encodeUnicode2html(comp.dc_creator(), true, true) + "</author>");
|
|
if (comp.dc_subject().length() > 0) pw.println("<description>" + htmlTools.encodeUnicode2html(comp.dc_subject(), true, true) + "</description>");
|
|
pw.println("<pubDate>" + entry.moddate().toString() + "</pubDate>");
|
|
pw.println("<guid isPermaLink=\"false\">" + entry.hash() + "</guid>");
|
|
pw.println("</item>");
|
|
}
|
|
}
|
|
count++;
|
|
}
|
|
if (format == 1) {
|
|
pw.println("</body></html>");
|
|
}
|
|
if (format == 2) {
|
|
pw.println("</channel>");
|
|
pw.println("</rss>");
|
|
}
|
|
pw.close();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
this.failure = e.getMessage();
|
|
}
|
|
// terminate process
|
|
}
|
|
|
|
public File file() {
|
|
return this.f;
|
|
}
|
|
|
|
public String failed() {
|
|
return this.failure;
|
|
}
|
|
|
|
public int count() {
|
|
return this.count;
|
|
}
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
// test-generation of url hashes for debugging
|
|
// one argument requires, will be treated as url
|
|
// returns url-hash
|
|
if (args[0].equals("-h")) try {
|
|
// arg 1 is url
|
|
System.out.println("HASH: " + (new yacyURL(args[1], null)).hash());
|
|
} catch (MalformedURLException e) {}
|
|
if (args[0].equals("-l")) try {
|
|
// arg 1 is path to URLCache
|
|
final plasmaCrawlLURL urls = new plasmaCrawlLURL(new File(args[2]));
|
|
final Iterator<indexURLEntry> enu = urls.entries(true, null);
|
|
while (enu.hasNext()) {
|
|
System.out.println(enu.next().toString());
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
}
|