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52 lines
2.0 KiB
52 lines
2.0 KiB
// SearchEventPicture.java
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// -----------------------
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// part of YaCy
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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// Created 24.10.2005
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//
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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.htroot;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.peers.graphics.NetworkGraph;
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import net.yacy.search.Switchboard;
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import net.yacy.search.query.SearchEventCache;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.visualization.RasterPlotter;
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// draw a picture of the yacy network
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public class SearchEventPicture {
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public static RasterPlotter respond(final RequestHeader header, @SuppressWarnings("unused") final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final String eventID = header.get("event", SearchEventCache.lastEventID);
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if (eventID == null) return null;
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final RasterPlotter yp = NetworkGraph.getSearchEventPicture(sb.peers, eventID, 0, 0);
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if (yp == null) return new RasterPlotter(1, 1, RasterPlotter.DrawMode.MODE_SUB, "000000"); // empty image
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return yp;
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}
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}
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