git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@455 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
orbiter
20 years ago
parent
b8e294f149
commit
60117a2073
@ -0,0 +1,67 @@
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
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<html>
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<head>
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<title>YaCy: News</title>
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#[metas]#
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</head>
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<body marginheight="0" marginwidth="0" leftmargin="0" topmargin="0">
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#[header]#
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<table width="100%" border="0" cellpadding="0" cellspacing="0" class="SubMenu">
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<tr height="10"><td colspan="9" class="MenuHeader"> Network Menu</td></tr>
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<tr height="2"><td colspan="9"></td></tr>
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<tr class="TableHeader">
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<td width="20%" class="MenuSubItem"> <a href="/News.html" class="MenuItemLink">News Overview</a> </td>
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<td class="MenuSubSpacer"></td>
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<td width="20%" class="MenuSubItem"> <a href="/News.html?page=1" class="MenuItemLink">Incoming News</a> </td>
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<td class="MenuSubSpacer"></td>
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<td width="20%" class="MenuSubItem"> <a href="/News.html?page=2" class="MenuItemLink">Processed News</a> </td>
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<td class="MenuSubSpacer"></td>
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<td width="20%" class="MenuSubItem"> <a href="/News.html?page=3" class="MenuItemLink">Outgoing News</a> </td>
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<td class="MenuSubSpacer"></td>
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<td width="20%" class="MenuSubItem"> <a href="/News.html?page=4" class="MenuItemLink">Published News</a> </td>
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</tr>
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</table>
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<br>
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#(page)#
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<h2>News Overview</h2>
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::
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<h2>Incoming News</h2>
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::
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<h2>Processed News</h2>
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::
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<h2>Outgoing News</h2>
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::
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<h2>Published News</h2>
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#(/page)#
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<p>
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#(table)#
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<p>
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This is the news system (currently under testing).
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</p>
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::
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<p>
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<table border="0" cellpadding="2" cellspacing="1">
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<tr class="TableHeader" valign="bottom">
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<td class="small">Originator</td>
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<td class="small">Created</td>
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<td class="small">Category</td>
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<td class="small">Received</td>
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<td class="small">Distributed</td>
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<td class="small">Attributes</td>
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</tr>
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#{list}#
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<tr class="TableCell#(dark)#Light::Dark::Summary#(/dark)#">
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<td class="small" align="right">#[ori]#</td>
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<td class="small" align="right">#[cre]#</td>
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<td class="small" align="right">#[cat]#</td>
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<td class="small" align="right">#[rec]#</td>
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<td class="small" align="right">#[dis]#</td>
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<td class="small" align="right">#[att]#</td>
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</tr>
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#{/list}#
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</table>
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</p>
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#(/table)#
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#[footer]#
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</body>
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</html>
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@ -0,0 +1,96 @@
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// News.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: 29.07.2005
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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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// You must compile this file with
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// javac -classpath .:../classes Network.java
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// if the shell's current path is HTROOT
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import java.util.Enumeration;
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import java.util.HashMap;
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import java.io.IOException;
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import de.anomic.http.httpHeader;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.server.serverDate;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacyNewsRecord;
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public class News {
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch sb) {
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// return variable that accumulates replacements
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serverObjects prop = new serverObjects();
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boolean overview = (post == null) || (((String) post.get("page", "0")).equals("0"));
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if (overview) {
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// show overview
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prop.put("table", 0);
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prop.put("page", 0);
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} else {
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// generate table
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int tableID = Integer.parseInt((String) post.get("page", "1")) - 1;
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prop.put("table", 1);
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prop.put("page", tableID + 1);
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if (yacyCore.seedDB == null) {
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} else {
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int maxCount = yacyCore.newsPool.size(tableID);
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if (maxCount > 500) maxCount = 500;
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yacyNewsRecord record;
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for (int i = 0; i < maxCount; i++) try {
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record = yacyCore.newsPool.get(tableID, i);
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prop.put("table_list_" + i + "_ori", record.originator());
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prop.put("table_list_" + i + "_cre", yacyCore.universalDateShortString(record.created()));
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prop.put("table_list_" + i + "_cat", record.category());
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prop.put("table_list_" + i + "_rec", record.received());
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prop.put("table_list_" + i + "_dis", record.attributes().toString());
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} catch (IOException e) {e.printStackTrace();}
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prop.put("table_list", maxCount);
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}
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}
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// return rewrite properties
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return prop;
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}
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}
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@ -0,0 +1,70 @@
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// yacyNewsAction.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: 29.07.2005
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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 notice above. A re-distribution must contain
|
||||
// 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.yacy;
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import java.io.IOException;
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public class yacyNewsAction implements yacyPeerAction {
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yacyNewsPool pool;
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public yacyNewsAction(yacyNewsPool pool) {
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this.pool = pool;
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}
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public void processPeerArrival(yacySeed peer, boolean direct) {
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String recordString = peer.get("news", null);
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if (recordString == null) return;
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yacyNewsRecord record = new yacyNewsRecord(de.anomic.tools.crypt.simpleDecode(recordString, ""));
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try {
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this.pool.enqueueGlobalNews(record);
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} catch (IOException e) {e.printStackTrace();}
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}
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public void processPeerDeparture(yacySeed peer) {
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}
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public void processPeerPing(yacySeed peer) {
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processPeerArrival(peer, true);
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}
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}
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// yacyNewsQueue.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: 13.07.2005
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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
|
||||
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||
// 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
|
||||
// any attached devices and is highly dependent on the configuration of the
|
||||
// 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
|
||||
// gpl.txt aside this file in the shipment you received can be done to the
|
||||
// lines that follows this copyright notice here, but changes must not be
|
||||
// done inside the copyright notice above. A re-distribution must contain
|
||||
// the intact and unchanged copyright notice.
|
||||
// Contributions and changes to the program code must be marked as such.
|
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|
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package de.anomic.yacy;
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import java.io.File;
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import java.io.IOException;
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import java.util.Iterator;
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import de.anomic.yacy.yacyCore;
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import de.anomic.kelondro.kelondroTree;
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import de.anomic.kelondro.kelondroException;
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import de.anomic.kelondro.kelondroRecords;
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import de.anomic.server.serverCodings;
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public class yacyNewsDB {
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private File path;
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private int bufferkb;
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private kelondroTree news;
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public static final int attributesMaxLength = yacyNewsRecord.maxNewsRecordLength
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- yacyNewsRecord.idLength()
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- yacyNewsRecord.categoryStringLength
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- yacyCore.universalDatePattern.length()
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- 2;
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public yacyNewsDB(File path, int bufferkb) throws IOException {
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this.path = path;
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this.bufferkb = bufferkb;
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if (path.exists())
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news = new kelondroTree(path, bufferkb);
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else
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news = createDB(path,bufferkb);
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}
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private static kelondroTree createDB(File path, int bufferkb) throws IOException {
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return new kelondroTree(path, bufferkb, new int[] {
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yacyNewsRecord.idLength(), // id = created + originator
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yacyNewsRecord.categoryStringLength, // category
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yacyCore.universalDatePattern.length(), // received
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2,
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attributesMaxLength
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});
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}
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private void resetDB() throws IOException {
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try {close();} catch (Exception e) {}
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if (path.exists()) path.delete();
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news = createDB(path, bufferkb);
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}
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public void close() {
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if (news != null) try {news.close();} catch (IOException e) {}
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news = null;
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}
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public void finalize() {
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close();
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}
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public int size() {
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return news.size();
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}
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public synchronized yacyNewsRecord put(yacyNewsRecord record) throws IOException {
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try {
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return b2r(news.put(r2b(record)));
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} catch (kelondroException e) {
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resetDB();
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return b2r(news.put(r2b(record)));
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}
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}
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public synchronized Iterator news() throws IOException {
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// the iteration iterates yacyNewsRecord - type objects
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return new recordIterator();
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}
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public class recordIterator implements Iterator {
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Iterator nodeIterator;
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public recordIterator() throws IOException {
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nodeIterator = news.rows(true, false);
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}
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||||
|
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public boolean hasNext() {
|
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return nodeIterator.hasNext();
|
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}
|
||||
|
||||
public Object next() {
|
||||
try {
|
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return b2r((byte[][]) nodeIterator.next());
|
||||
} catch (IOException e) {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
public void remove() {
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
public synchronized yacyNewsRecord get(String id) throws IOException {
|
||||
try {
|
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return b2r(news.get(id.getBytes()));
|
||||
} catch (kelondroException e) {
|
||||
resetDB();
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
private static yacyNewsRecord b2r(byte[][] b) throws IOException {
|
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if (b == null) return null;
|
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return new yacyNewsRecord(
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new String(b[0]),
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new String(b[1]),
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||||
yacyCore.parseUniversalDate(new String(b[2])),
|
||||
(int) serverCodings.enhancedCoder.decodeBase64Long(new String(b[3])),
|
||||
serverCodings.string2map(new String(b[4]))
|
||||
);
|
||||
}
|
||||
|
||||
private static byte[][] r2b(yacyNewsRecord r) throws IOException {
|
||||
if (r == null) return null;
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||||
String attributes = r.attributes().toString();
|
||||
if (attributes.length() > attributesMaxLength) throw new IllegalArgumentException("attribute length=" + attributes.length() + " exceeds maximum size=" + attributesMaxLength);
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||||
byte[][] b = new byte[5][];
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b[0] = r.id().getBytes();
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||||
b[1] = r.category().getBytes();
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||||
b[2] = yacyCore.universalDateShortString(r.created()).getBytes();
|
||||
b[3] = serverCodings.enhancedCoder.encodeBase64Long(r.distributed(), 2).getBytes();
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||||
b[4] = attributes.getBytes();
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return b;
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||||
}
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}
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@ -0,0 +1,123 @@
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// yacyNewsActions.java
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||||
// -----------------------
|
||||
// part of YaCy
|
||||
// (C) by Michael Peter Christen; mc@anomic.de
|
||||
// first published on http://www.anomic.de
|
||||
// Frankfurt, Germany, 2005
|
||||
// last major change: 13.07.2005
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// Using this software in any meaning (reading, learning, copying, compiling,
|
||||
// running) means that you agree that the Author(s) is (are) not responsible
|
||||
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||
// by usage of this softare or this documentation. The usage of this software
|
||||
// is on your own risk. The installation and usage (starting/running) of this
|
||||
// software may allow other people or application to access your computer and
|
||||
// any attached devices and is highly dependent on the configuration of the
|
||||
// software which must be done by the user of the software; the author(s) is
|
||||
// (are) also not responsible for proper configuration and usage of the
|
||||
// software, even if provoked by documentation provided together with
|
||||
// the software.
|
||||
//
|
||||
// Any changes to this file according to the GPL as documented in the file
|
||||
// gpl.txt aside this file in the shipment you received can be done to the
|
||||
// lines that follows this copyright notice here, but changes must not be
|
||||
// done inside the copyright notice above. A re-distribution must contain
|
||||
// the intact and unchanged copyright notice.
|
||||
// Contributions and changes to the program code must be marked as such.
|
||||
|
||||
package de.anomic.yacy;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
|
||||
public class yacyNewsPool {
|
||||
|
||||
public static final int INCOMING_DB = 0;
|
||||
public static final int PROCESSED_DB = 1;
|
||||
public static final int OUTGOING_DB = 2;
|
||||
public static final int PUBLISHED_DB = 3;
|
||||
|
||||
private yacyNewsDB newsDB;
|
||||
private yacyNewsQueue outgoingNews, publishedNews, incomingNews, processedNews;
|
||||
private int maxDistribution;
|
||||
|
||||
public yacyNewsPool(File yacyDBPath, int bufferkb) throws IOException {
|
||||
newsDB = new yacyNewsDB(new File(yacyDBPath, "news0.db"), bufferkb);
|
||||
outgoingNews = new yacyNewsQueue(new File(yacyDBPath, "newsOut0.stack"), newsDB);
|
||||
publishedNews = new yacyNewsQueue(new File(yacyDBPath, "newsPublished0.stack"), newsDB);
|
||||
incomingNews = new yacyNewsQueue(new File(yacyDBPath, "newsIn0.stack"), newsDB);
|
||||
processedNews = new yacyNewsQueue(new File(yacyDBPath, "newsProcessed0.stack"), newsDB);
|
||||
maxDistribution = 30;
|
||||
}
|
||||
|
||||
public void enqueueMyNews(yacyNewsRecord record) throws IOException {
|
||||
if (newsDB.get(record.id()) == null) outgoingNews.push(record);
|
||||
}
|
||||
|
||||
public yacyNewsRecord dequeueMyNews() throws IOException {
|
||||
// generate a record for next peer-ping
|
||||
if (outgoingNews.size() == 0) return null;
|
||||
yacyNewsRecord record = outgoingNews.topInc();
|
||||
if (record.distributed() >= maxDistribution) {
|
||||
// move record to its final position. This is only for history
|
||||
publishedNews.push(outgoingNews.pop(0));
|
||||
}
|
||||
return record;
|
||||
}
|
||||
|
||||
public void enqueueGlobalNews(yacyNewsRecord record) throws IOException {
|
||||
if (newsDB.get(record.id()) == null) incomingNews.push(record);
|
||||
}
|
||||
|
||||
public yacyNewsRecord getGlobalNews(int job) throws IOException {
|
||||
return incomingNews.top(job);
|
||||
}
|
||||
|
||||
public synchronized boolean removeGlobalNews(String id) throws IOException {
|
||||
yacyNewsRecord record;
|
||||
for (int i = 0; i < incomingNews.size(); i++) {
|
||||
record = incomingNews.top(i);
|
||||
if (record.id().equals(id)) {
|
||||
incomingNews.pop(i);
|
||||
processedNews.push(record);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public int size(int dbKey) {
|
||||
switch (dbKey) {
|
||||
case OUTGOING_DB: return outgoingNews.size();
|
||||
case PUBLISHED_DB: return publishedNews.size();
|
||||
case INCOMING_DB: return incomingNews.size();
|
||||
case PROCESSED_DB: return processedNews.size();
|
||||
default: return -1;
|
||||
}
|
||||
}
|
||||
|
||||
public yacyNewsRecord get(int dbKey, int element) throws IOException {
|
||||
switch (dbKey) {
|
||||
case OUTGOING_DB: return outgoingNews.top(element);
|
||||
case PUBLISHED_DB: return publishedNews.top(element);
|
||||
case INCOMING_DB: return incomingNews.top(element);
|
||||
case PROCESSED_DB: return processedNews.top(element);
|
||||
default: return null;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,152 @@
|
||||
// yacyNewsQueue.java
|
||||
// -----------------------
|
||||
// part of YaCy
|
||||
// (C) by Michael Peter Christen; mc@anomic.de
|
||||
// first published on http://www.anomic.de
|
||||
// Frankfurt, Germany, 2005
|
||||
// last major change: 13.07.2005
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// Using this software in any meaning (reading, learning, copying, compiling,
|
||||
// running) means that you agree that the Author(s) is (are) not responsible
|
||||
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||
// by usage of this softare or this documentation. The usage of this software
|
||||
// is on your own risk. The installation and usage (starting/running) of this
|
||||
// software may allow other people or application to access your computer and
|
||||
// any attached devices and is highly dependent on the configuration of the
|
||||
// software which must be done by the user of the software; the author(s) is
|
||||
// (are) also not responsible for proper configuration and usage of the
|
||||
// software, even if provoked by documentation provided together with
|
||||
// the software.
|
||||
//
|
||||
// Any changes to this file according to the GPL as documented in the file
|
||||
// gpl.txt aside this file in the shipment you received can be done to the
|
||||
// lines that follows this copyright notice here, but changes must not be
|
||||
// done inside the copyright notice above. A re-distribution must contain
|
||||
// the intact and unchanged copyright notice.
|
||||
// Contributions and changes to the program code must be marked as such.
|
||||
|
||||
package de.anomic.yacy;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.IOException;
|
||||
import java.net.MalformedURLException;
|
||||
import java.net.URL;
|
||||
import java.util.Date;
|
||||
|
||||
import de.anomic.htmlFilter.htmlFilterContentScraper;
|
||||
import de.anomic.http.httpHeader;
|
||||
import de.anomic.kelondro.kelondroStack;
|
||||
import de.anomic.server.serverCodings;
|
||||
import de.anomic.yacy.yacySeedDB;
|
||||
|
||||
public class yacyNewsQueue {
|
||||
|
||||
private File path;
|
||||
private kelondroStack queueStack;
|
||||
private yacyNewsDB newsDB;
|
||||
|
||||
public yacyNewsQueue(File path, yacyNewsDB newsDB) throws IOException {
|
||||
this.path = path;
|
||||
this.newsDB = newsDB;
|
||||
|
||||
if (path.exists())
|
||||
queueStack = new kelondroStack(path, 0);
|
||||
else
|
||||
queueStack = createStack(path);
|
||||
}
|
||||
|
||||
private static kelondroStack createStack(File path) throws IOException {
|
||||
return new kelondroStack(path, 0, new int[] {
|
||||
yacyNewsRecord.idLength(), // id = created + originator
|
||||
yacyCore.universalDatePattern.length() // last touched
|
||||
});
|
||||
}
|
||||
|
||||
private void resetDB() throws IOException {
|
||||
try {close();} catch (Exception e) {}
|
||||
if (path.exists()) path.delete();
|
||||
queueStack = createStack(path);
|
||||
}
|
||||
|
||||
public void close() {
|
||||
if (queueStack != null) try {queueStack.close();} catch (IOException e) {}
|
||||
queueStack = null;
|
||||
}
|
||||
|
||||
public void finalize() {
|
||||
close();
|
||||
}
|
||||
|
||||
public int size() {
|
||||
return queueStack.size();
|
||||
}
|
||||
|
||||
public synchronized void push(yacyNewsRecord entry) throws IOException {
|
||||
queueStack.push(r2b(entry, true));
|
||||
}
|
||||
|
||||
public synchronized yacyNewsRecord pop(int dist) throws IOException {
|
||||
if (queueStack.size() == 0) return null;
|
||||
return b2r(queueStack.pop(dist));
|
||||
}
|
||||
|
||||
public synchronized yacyNewsRecord top(int dist) throws IOException {
|
||||
if (queueStack.size() == 0) return null;
|
||||
return b2r(queueStack.top(dist));
|
||||
}
|
||||
|
||||
public synchronized yacyNewsRecord topInc() throws IOException {
|
||||
if (queueStack.size() == 0) return null;
|
||||
yacyNewsRecord entry = pop(0);
|
||||
entry.incDistribution();
|
||||
push(entry);
|
||||
return entry;
|
||||
}
|
||||
|
||||
/*
|
||||
public synchronized void incDistributedCounter(yacyNewsRecord entry) throws IOException {
|
||||
// this works only if the entry element lies ontop of the stack
|
||||
yacyNewsRecord topEntry = top();
|
||||
if (!(topEntry.id().equals(entry.id()))) throw new IllegalArgumentException("entry is not ontop of the stack");
|
||||
pop();
|
||||
entry.incDistribution();
|
||||
push(entry);
|
||||
}
|
||||
*/
|
||||
|
||||
private yacyNewsRecord b2r(byte[][] b) throws IOException {
|
||||
if (b == null) return null;
|
||||
String id = new String(b[0]);
|
||||
//Date touched = yacyCore.parseUniversalDate(new String(b[1]));
|
||||
return newsDB.get(id);
|
||||
}
|
||||
|
||||
private byte[][] r2b(yacyNewsRecord r, boolean updateDB) throws IOException {
|
||||
if (r == null) return null;
|
||||
if (updateDB) {
|
||||
newsDB.put(r);
|
||||
} else {
|
||||
yacyNewsRecord r1 = newsDB.get(r.id());
|
||||
if (r1 == null) newsDB.put(r);
|
||||
}
|
||||
byte[][] b = new byte[2][];
|
||||
b[0] = r.id().getBytes();
|
||||
b[1] = yacyCore.universalDateShortString(new Date()).getBytes();
|
||||
return b;
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,149 @@
|
||||
// yacyNewsRecord.java
|
||||
// -----------------------
|
||||
// part of YaCy
|
||||
// (C) by Michael Peter Christen; mc@anomic.de
|
||||
// first published on http://www.anomic.de
|
||||
// Frankfurt, Germany, 2005
|
||||
// last major change: 13.07.2005
|
||||
//
|
||||
// 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
|
||||
//
|
||||
// Using this software in any meaning (reading, learning, copying, compiling,
|
||||
// running) means that you agree that the Author(s) is (are) not responsible
|
||||
// for cost, loss of data or any harm that may be caused directly or indirectly
|
||||
// by usage of this softare or this documentation. The usage of this software
|
||||
// is on your own risk. The installation and usage (starting/running) of this
|
||||
// software may allow other people or application to access your computer and
|
||||
// any attached devices and is highly dependent on the configuration of the
|
||||
// software which must be done by the user of the software; the author(s) is
|
||||
// (are) also not responsible for proper configuration and usage of the
|
||||
// software, even if provoked by documentation provided together with
|
||||
// the software.
|
||||
//
|
||||
// Any changes to this file according to the GPL as documented in the file
|
||||
// gpl.txt aside this file in the shipment you received can be done to the
|
||||
// lines that follows this copyright notice here, but changes must not be
|
||||
// done inside the copyright notice above. A re-distribution must contain
|
||||
// the intact and unchanged copyright notice.
|
||||
// Contributions and changes to the program code must be marked as such.
|
||||
|
||||
package de.anomic.yacy;
|
||||
|
||||
import de.anomic.server.serverCodings;
|
||||
|
||||
import java.util.Date;
|
||||
import java.util.Map;
|
||||
|
||||
public class yacyNewsRecord {
|
||||
|
||||
public static final int maxNewsRecordLength = 512;
|
||||
public static final int categoryStringLength = 8;
|
||||
|
||||
private String originator; // hash of originating peer
|
||||
private Date created; // Date when news was created by originator
|
||||
private Date received; // Date when news was received here at this peer
|
||||
private String category; // keyword that adresses possible actions
|
||||
private int distributed; // counter that counts number of distributions of this news record
|
||||
private Map attributes; // elemets of the news for a special category
|
||||
|
||||
public yacyNewsRecord(String encodedNewsString) {
|
||||
String decodedString = serverCodings.enhancedCoder.decodeBase64String(encodedNewsString);
|
||||
this.attributes = serverCodings.string2map(decodedString);
|
||||
this.received = (attributes.containsKey("rec")) ? yacyCore.parseUniversalDate((String) attributes.get("rec")) : new Date();
|
||||
this.created = (attributes.containsKey("cre")) ? yacyCore.parseUniversalDate((String) attributes.get("cre")) : new Date();
|
||||
this.category = (attributes.containsKey("cat")) ? (String) attributes.get("cat") : null;
|
||||
this.distributed = (attributes.containsKey("dis")) ? Integer.parseInt((String) attributes.get("dis")) : 0;
|
||||
this.originator = (attributes.containsKey("ori")) ? (String) attributes.get("ori") : null;
|
||||
removeStandards();
|
||||
}
|
||||
|
||||
public yacyNewsRecord(String category, Map attributes) {
|
||||
if (category.length() > categoryStringLength) throw new IllegalArgumentException("category length exceeds maximum");
|
||||
this.attributes = attributes;
|
||||
this.received = null;
|
||||
this.created = new Date();
|
||||
this.category = category;
|
||||
this.distributed = 0;
|
||||
this.originator = yacyCore.seedDB.mySeed.hash;
|
||||
removeStandards();
|
||||
}
|
||||
|
||||
protected yacyNewsRecord(String id, String category, Date received, int distributed, Map attributes) {
|
||||
this.attributes = attributes;
|
||||
this.received = received;
|
||||
this.created = yacyCore.parseUniversalDate(id.substring(0, yacyCore.universalDatePattern.length()));
|
||||
this.category = category;
|
||||
this.distributed = distributed;
|
||||
this.originator = id.substring(yacyCore.universalDatePattern.length());
|
||||
removeStandards();
|
||||
}
|
||||
|
||||
private void removeStandards() {
|
||||
attributes.remove("ori");
|
||||
attributes.remove("cat");
|
||||
attributes.remove("cre");
|
||||
attributes.remove("rec");
|
||||
attributes.remove("dis");
|
||||
}
|
||||
|
||||
public String toString() {
|
||||
// this creates the string that shall be distributed
|
||||
// attention: this has no additional encoding
|
||||
if (originator != null) attributes.put("ori", originator);
|
||||
if (category != null) attributes.put("cat", category);
|
||||
attributes.put("cre", yacyCore.universalDateShortString(created));
|
||||
attributes.put("rec", yacyCore.universalDateShortString(received));
|
||||
attributes.put("dis", "" + distributed);
|
||||
String theString = attributes.toString();
|
||||
removeStandards();
|
||||
return theString;
|
||||
}
|
||||
|
||||
public String id() {
|
||||
return yacyCore.universalDateShortString(created) + originator;
|
||||
}
|
||||
|
||||
public static int idLength() {
|
||||
return yacyCore.universalDatePattern.length() + yacySeedDB.commonHashLength;
|
||||
}
|
||||
|
||||
public String originator() {
|
||||
return originator;
|
||||
}
|
||||
|
||||
public Date created() {
|
||||
return created;
|
||||
}
|
||||
|
||||
public Date received() {
|
||||
return received;
|
||||
}
|
||||
|
||||
public String category() {
|
||||
return category;
|
||||
}
|
||||
|
||||
public int distributed() {
|
||||
return distributed;
|
||||
}
|
||||
|
||||
public void incDistribution() {
|
||||
distributed++;
|
||||
}
|
||||
|
||||
public Map attributes() {
|
||||
return attributes;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue