// ConfigHeuristics_p.java
// --------------------
// (C) 2010 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 26.06.2010 on http://yacy.net
//
// This is a part of YaCy, a peer-to-peer based web search engine
//
// $LastChangedDate: 2012-12-19 $
// $LastChangedRevision: $
// $LastChangedBy: reger $
//
// LICENSE
//
// 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
import java.io.File;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.storage.Configuration;
import net.yacy.cora.util.ConcurrentLog;
import net.yacy.data.WorkTables;
import net.yacy.search.Switchboard;
import java.io.IOException;
import java.util.Iterator;
import net.yacy.cora.federate.FederateSearchManager;
import net.yacy.cora.federate.solr.SchemaConfiguration;
import net.yacy.cora.storage.Files;
import net.yacy.search.SwitchboardConstants;
import net.yacy.search.schema.WebgraphSchema;
import net.yacy.server.serverObjects;
import net.yacy.server.serverSwitch;
public class ConfigHeuristics_p {
public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) {
final Switchboard sb = (Switchboard) env;
final serverObjects prop = new serverObjects();
String osderrmsg = "";
if (post != null) {
// store this call as api call
sb.tables.recordAPICall(post, "ConfigHeuristics.html", WorkTables.TABLE_API_TYPE_CONFIGURATION, "heuristic settings");
if (post.containsKey("site_on")) sb.setConfig(SwitchboardConstants.HEURISTIC_SITE, true);
if (post.containsKey("site_off")) sb.setConfig(SwitchboardConstants.HEURISTIC_SITE, false);
if (post.containsKey("searchresult_on")) sb.setConfig(SwitchboardConstants.HEURISTIC_SEARCHRESULTS, true);
if (post.containsKey("searchresult_off")) sb.setConfig(SwitchboardConstants.HEURISTIC_SEARCHRESULTS, false);
if (post.containsKey("searchresultglobal_on")) sb.setConfig(SwitchboardConstants.HEURISTIC_SEARCHRESULTS_CRAWLGLOBAL, true);
if (post.containsKey("searchresultglobal_off")) sb.setConfig(SwitchboardConstants.HEURISTIC_SEARCHRESULTS_CRAWLGLOBAL, false);
if (post.containsKey("opensearch_on")) {
sb.setConfig(SwitchboardConstants.HEURISTIC_OPENSEARCH, true);
// re-read config
FederateSearchManager.getManager().init(sb.getDataPath().getAbsolutePath()+ "DATA/SETTINGS/heuristicopensearch.conf");
if (FederateSearchManager.getManager().getSize() == 0) {
osderrmsg = "no active search targets are configured";
}
}
if (post.containsKey("opensearch_off")) sb.setConfig(SwitchboardConstants.HEURISTIC_OPENSEARCH, false);
if (post.containsKey("discoverosd")) {
final boolean metafieldavailable = sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_rel_s.name())
&& (sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_protocol_s.name()) && sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_urlstub_s.name()));
if (metafieldavailable) {
//OpenSearchConnector osc = new OpenSearchConnector(sb, false);
if (FederateSearchManager.getManager().discoverFromSolrIndex(sb)) {
osderrmsg = "started background search for target systems, refresh page after some minutes";
} else {
osderrmsg = "Error: webgraph Solr index not enabled";
}
} else {
osderrmsg = "Solr webgraph index needs to be available and fields target_rel_s, target_protocol_s, target_urlstub_s on";
}
}
final String tmpurl = post.get("ossys_newurl");
// if user entered new opensearch url but hit the wrong button, simulate "add" button
if (tmpurl != null && !tmpurl.isEmpty()) post.put("addnewosd", 1);
if (post.containsKey("addnewosd")) {
// add new entry to config file
final String tmpname = post.get("ossys_newtitle");
if (tmpname != null && tmpurl !=null) {
if (!tmpname.isEmpty() && !tmpurl.isEmpty() && tmpurl.toLowerCase().contains("{searchterms}")) {
final String tmpcomment = post.get("ossys_newcomment");
FederateSearchManager.getManager().addOpenSearchTarget(tmpname,tmpurl,false,tmpcomment);
} else osderrmsg = "Url template must contain '{searchTerms}'";
}
}
if (post.containsKey("setopensearch")) {
// read index schema table flags
writeopensearchcfg (sb,post);
}
if (post.containsKey("switchsolrfieldson")) {
final boolean metafieldavailable = sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_rel_s.name())
&& ( sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_protocol_s.name()) && sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_urlstub_s.name()) ) ;
if (!metafieldavailable) {
SchemaConfiguration.Entry entry;
entry = sb.index.fulltext().getWebgraphConfiguration().get(WebgraphSchema.target_rel_s.name());
if (entry != null && !entry.enabled()) {
entry.setEnable(true);
}
entry = sb.index.fulltext().getWebgraphConfiguration().get(WebgraphSchema.target_protocol_s.name());
if (entry != null && !entry.enabled()) {
entry.setEnable(true);
}
entry = sb.index.fulltext().getWebgraphConfiguration().get(WebgraphSchema.target_urlstub_s.name());
if (entry != null && !entry.enabled()) {
entry.setEnable(true);
}
try {
sb.index.fulltext().getWebgraphConfiguration().commit();
} catch (final IOException e) {
}
sb.setConfig(SwitchboardConstants.CORE_SERVICE_WEBGRAPH, true);
}
}
// copy default opensearch heuristic config with sample entries
if (post.containsKey("copydefaultosdconfig") || post.containsKey("resettodefaultosdlist")) {
// prepare a solr index profile switch list
final File osdDefaultConfig = new File(sb.getAppPath(), "defaults/heuristicopensearch.conf");
final File osdConfig = new File(sb.getDataPath(), "DATA/SETTINGS/heuristicopensearch.conf");
if ((post.containsKey("resettodefaultosdlist") || !osdConfig.exists()) && osdDefaultConfig.exists()) {
try {
Files.copy(osdDefaultConfig, osdConfig);
File defdir = new File(sb.dataPath, "DATA/SETTINGS/federatecfg");
if (!defdir.exists()) {
Files.copy(new File(sb.appPath, "defaults/federatecfg"), defdir);
}
} catch (final IOException ex) {
osderrmsg = "file I/O error during copy";
}
} else {osderrmsg = "config file exists or default doesn't exist";}
}
}
final boolean showmetafieldbutton = sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_rel_s.name())
&& (sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_protocol_s.name()) && sb.index.fulltext().getWebgraphConfiguration().contains(WebgraphSchema.target_urlstub_s.name()))
&& sb.getConfigBool(SwitchboardConstants.CORE_SERVICE_WEBGRAPH, false);
if (!showmetafieldbutton) prop.put("osdsolrfieldswitch",1);
prop.put("site.checked", sb.getConfigBool(SwitchboardConstants.HEURISTIC_SITE, false) ? 1 : 0);
prop.put("searchresult.checked", sb.getConfigBool(SwitchboardConstants.HEURISTIC_SEARCHRESULTS, false) ? 1 : 0);
prop.put("searchresultglobal.checked", sb.getConfigBool(SwitchboardConstants.HEURISTIC_SEARCHRESULTS_CRAWLGLOBAL, false) ? 1 : 0);
prop.put("opensearch.checked", sb.getConfigBool(SwitchboardConstants.HEURISTIC_OPENSEARCH, false) ? 1 : 0);
// display config file content
final File f = new File (sb.getDataPath(),"DATA/SETTINGS/heuristicopensearch.conf");
try {
Configuration p = new Configuration(f);
int c = 0;
boolean dark = false;
Iterator<Configuration.Entry> i = p.entryIterator();
while (i.hasNext()) {
SchemaConfiguration.Entry e = i.next();
prop.put("osdcfg_" + c + "_dark", dark ? 1 : 0);
dark = !dark;
prop.put("osdcfg_" + c + "_checked", e.enabled() ? 1 : 0);
prop.putHTML("osdcfg_" + c + "_title", e.key());
prop.putHTML("osdcfg_" + c + "_comment", e.getComment() != null ? e.getComment() : "");
String tmps = e.getValue();
prop.putHTML("osdcfg_" + c + "_url", tmps);
final int lastpos = tmps.lastIndexOf("/");
if (lastpos > 6) { // after http://x or ftp://x
tmps = tmps.substring(0, lastpos);
prop.putHTML("osdcfg_" + c + "_urlhostlink", tmps);
} else prop.putHTML("osdcfg_" + c + "_urlhostlink", "#");
c++;
}
prop.put("osdcfg", c);
} catch (final IOException e1) {
ConcurrentLog.warn("OpenSearchConnector", "file not found " + f.getAbsolutePath());
prop.put("osdcfg", 0);
}
prop.putHTML("osderrmsg",osderrmsg);
return prop;
}
private static void writeopensearchcfg(final Switchboard sb, final serverObjects post) {
// read index schema table flags
final File f = new File(sb.getDataPath(), "DATA/SETTINGS/heuristicopensearch.conf");
try {
Configuration cfg = new Configuration(f);
final Iterator<Configuration.Entry> cfgentries = cfg.entryIterator();
Configuration.Entry entry;
boolean modified = false; // flag to remember changes
while (cfgentries.hasNext()) {
entry = cfgentries.next();
final String sfn = post.get("ossys_url_" + entry.key());
if (sfn != null) {
if (!sfn.equals(entry.getValue())) {
entry.setValue(sfn);
modified = true;
}
}
// set enable flag
String v = post.get("ossys_" + entry.key());
boolean c = v != null && v.equals("checked");
if (entry.enabled() != c) {
entry.setEnable(c);
modified = true;
}
// delete entry from config
v = post.get("ossys_del_" + entry.key());
c = v != null && v.equals("checked");
if (c) {
cfgentries.remove();
modified = true;
}
}
if (modified) { // save settings to config file if modified
try {
cfg.commit();
} catch (final IOException ex) {
}
}
} catch (final IOException e) {
ConcurrentLog.warn("OpenSearchConnector", "file not found " + f.getAbsolutePath());
}
// re-read config (and create/update work table)
if (sb.getConfigBool(SwitchboardConstants.HEURISTIC_OPENSEARCH, true)) {
FederateSearchManager.getManager().init(f.getAbsolutePath());
}
}
}