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/**
* NameSpaceNavigator.java
* (C) 2016 by reger24; https://github.com/reger24
*
* This is a part of YaCy, a peer-to-peer based web search engine
*
* 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, see <http://www.gnu.org/licenses/>.
*/
package net.yacy.search.navigator;
import java.util.List;
import net.yacy.kelondro.data.meta.URIMetadataNode;
/**
* Navigator for name space used in some wikies by using a : (colon) in the path
* e.g. http://wikiurl/Help:About counted as name space = Help
* (remark: the query uses the inurl: modifier (without the trailing : ) to filter results which matches http://host/Help.html too)
*/
public class NameSpaceNavigator extends StringNavigator implements Navigator {
public NameSpaceNavigator(final String title, final NavigatorSort sort) {
super(title, null, sort);
}
@Override
public String getQueryModifier(final String key) {
return "inurl:" + key;
}
@Override
public void incDocList(List<URIMetadataNode> docs) {
// we need to override, as StringNavigator expects a field definition
for (URIMetadataNode doc : docs) {
incDoc(doc);
}
}
@Override
public void incDoc(URIMetadataNode doc) {
int p;
String pagepath = doc.url().getPath();
if ((p = pagepath.indexOf(':')) >= 0) {
pagepath = pagepath.substring(0, p);
p = pagepath.lastIndexOf('/');
if (p >= 0) {
pagepath = pagepath.substring(p + 1);
this.inc(pagepath);
}
}
}
}
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