// Messages_p.java
// -----------------------
// part of the AnomicHTTPD caching proxy
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
// last major change: 28.06.2003
//
// 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
// You must compile this file with
// javac -classpath .:../Classes Message.java
// if the shell's current path is HTROOT
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Iterator;
import java.util.TreeMap;
import de.anomic.data.messageBoard;
import de.anomic.http.httpRequestHeader;
import de.anomic.kelondro.util.DateFormatter;
import de.anomic.kelondro.util.FileUtils;
import de.anomic.plasma.plasmaSwitchboard;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.yacy.yacySeed;
public class Messages_p {
private static SimpleDateFormat SimpleFormatter = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
private static final String PEERSKNOWN = "peersKnown_";
public static String dateString(final Date date) {
return SimpleFormatter.format(date);
}
public static serverObjects respond(final httpRequestHeader header, final serverObjects post, final serverSwitch<?> env) {
final plasmaSwitchboard sb = (plasmaSwitchboard) env;
final serverObjects prop = new serverObjects();
// set peer address / name
final String peerAddress = sb.webIndex.peers().mySeed().getPublicAddress();
final String peerName = sb.webIndex.peers().mySeed().getName();
prop.put("peerAddress", peerAddress);
prop.putXML("peerName", peerName);
// List known hosts for message sending (from Blacklist_p.java)
if (sb.webIndex.peers() != null && sb.webIndex.peers().sizeConnected() > 0) {
prop.put("peersKnown", "1");
int peerCount = 0;
try {
final TreeMap<String, String> hostList = new TreeMap<String, String>();
final Iterator<yacySeed> e = sb.webIndex.peers().seedsConnected(true, false, null, (float) 0.0);
while (e.hasNext()) {
final yacySeed seed = e.next();
if (seed != null) hostList.put(seed.get(yacySeed.NAME, "nameless"),seed.hash);
}
String peername;
while ((peername = hostList.firstKey()) != null) {
final String Hash = hostList.get(peername);
prop.put(PEERSKNOWN + "peers_" + peerCount + "_hash", Hash);
prop.putXML(PEERSKNOWN + "peers_" + peerCount + "_name", peername);
hostList.remove(peername);
peerCount++;
}
} catch (final Exception e) {/* */}
prop.put(PEERSKNOWN + "peers", peerCount);
} else {
prop.put("peersKnown", "0");
}
prop.put("mode", "0");
prop.put("mode_error", "0");
String action = ((post == null) ? "list" : post.get("action", "list"));
messageBoard.entry message;
// first reset notification
final File notifierSource = new File(sb.getRootPath(), sb.getConfig("htRootPath", "htroot") + "/env/grafics/empty.gif");
final File notifierDest = new File(sb.getConfigPath("htDocsPath", "DATA/HTDOCS"), "notifier.gif");
try {
FileUtils.copy(notifierSource, notifierDest);
} catch (final IOException e) {
}
if (action.equals("delete")) {
final String key = (post == null ? "" : post.get("object", ""));
sb.messageDB.remove(key);
action = "list";
}
if (action.equals("list")) {
prop.put("mode", "0"); //list
try {
final Iterator<String> i = sb.messageDB.keys(null, true);
String key;
boolean dark = true;
int count=0;
while (i.hasNext()) {
key = i.next();
message = sb.messageDB.read(key);
prop.put("mode_messages_"+count+"_dark", ((dark) ? "1" : "0") );
prop.put("mode_messages_"+count+"_date", dateString(message.date()));
prop.putXML("mode_messages_"+count+"_from", message.author());
prop.putXML("mode_messages_"+count+"_to", message.recipient());
prop.putXML("mode_messages_"+count+"_subject", message.subject());
prop.putXML("mode_messages_"+count+"_category", message.category());
prop.putXML("mode_messages_"+count+"_key", key);
prop.put("mode_messages_"+count+"_hash", message.authorHash());
if ((header.get(httpRequestHeader.CONNECTION_PROP_PATH)).endsWith(".rss")) {
// set the peer address
prop.put("mode_messages_"+count+"_peerAddress", peerAddress);
// set the rfc822 date
prop.put("mode_messages_"+count+"_rfc822Date", DateFormatter.formatRFC1123(message.date()));
// also write out the message body (needed for the RSS feed)
try {
prop.putXML("mode_messages_"+count+"_body",new String(message.message(), "UTF-8"));
} catch (final UnsupportedEncodingException e) {
// can not happen, because UTF-8 must be supported by every JVM
}
}
dark = !dark;
count++;
}
prop.put("mode_messages", count);
} catch (final IOException e) {
prop.put("mode_error", "1");//I/O error reading message table
prop.putHTML("mode_error_message", e.getMessage());
}
}
if (action.equals("view")) {
prop.put("mode", "1"); //view
final String key = (post == null ? "" : post.get("object", ""));
message = sb.messageDB.read(key);
if (message == null) throw new NullPointerException("Message with ID " + key + " does not exist");
prop.putXML("mode_from", message.author());
prop.putXML("mode_to", message.recipient());
prop.put("mode_date", dateString(message.date()));
prop.putXML("mode_subject", message.subject());
String theMessage = null;
try {
theMessage = new String(message.message(), "UTF-8");
} catch (final UnsupportedEncodingException e) {
// can not happen, because UTF-8 must be supported by every JVM
}
prop.putWiki("mode_message", theMessage);
prop.put("mode_hash", message.authorHash());
prop.putXML("mode_key", key);
}
// return rewrite properties
return prop;
}
}