You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
3.3 KiB
93 lines
3.3 KiB
//FeedReader_p.java
|
|
//------------
|
|
// part of YACY
|
|
//
|
|
// (C) 2007 Alexander Schier
|
|
//
|
|
// last change: $LastChangedDate: $ by $LastChangedBy: $
|
|
// $LastChangedRevision: $
|
|
//
|
|
// 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.IOException;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URL;
|
|
import java.util.Collection;
|
|
import java.util.Iterator;
|
|
|
|
import de.anomic.http.httpHeader;
|
|
import de.anomic.server.serverObjects;
|
|
import de.anomic.server.serverSwitch;
|
|
import de.anomic.server.servletProperties;
|
|
import de.nava.informa.core.ChannelIF;
|
|
import de.nava.informa.core.ParseException;
|
|
import de.nava.informa.impl.basic.ChannelBuilder;
|
|
import de.nava.informa.impl.basic.Item;
|
|
import de.nava.informa.parsers.FeedParser;
|
|
|
|
public class FeedReader_p {
|
|
|
|
|
|
public static servletProperties respond(httpHeader header, serverObjects post, serverSwitch env) {
|
|
servletProperties prop = new servletProperties();
|
|
prop.put("SUPERTEMPLATE", "/env/page.html");
|
|
|
|
URL url;
|
|
try {
|
|
if(post!=null){
|
|
url = new URL((String) post.get("url"));
|
|
int maxitems=Integer.parseInt(post.get("max", "0"));
|
|
int offset=Integer.parseInt(post.get("offset", "0")); //offset to the first displayed item
|
|
ChannelBuilder builder=new ChannelBuilder();
|
|
ChannelIF channel=FeedParser.parse(builder, url);
|
|
prop.put("page_title", channel.getTitle());
|
|
if(channel.getCreator()!=null){
|
|
prop.put("page_hasAuthor", 1);
|
|
prop.put("page_hasAuthor_author", channel.getCreator());
|
|
}else
|
|
prop.put("page_hasAuthor", 0);
|
|
prop.put("page_description", channel.getDescription());
|
|
|
|
Collection feedItems=channel.getItems();
|
|
if(!feedItems.isEmpty()){
|
|
Iterator it=feedItems.iterator();
|
|
int count=0;
|
|
while(it.hasNext() && (maxitems==0 || count<maxitems)){
|
|
Item item=(Item)it.next();
|
|
prop.put("page_items_"+count+"_author", item.getCreator());
|
|
prop.put("page_items_"+count+"_title", item.getTitle());
|
|
prop.put("page_items_"+count+"_link", item.getLink().toString());
|
|
prop.putASIS("page_items_"+count+"_description", item.getDescription());
|
|
prop.put("page_items_"+count+"_date", item.getDate());
|
|
if(! (offset-- >0)) //first check, if there still is an offset. if yes, skip count++, so the next item will overwrite this item. then decrement offset.
|
|
count++;
|
|
}
|
|
prop.put("page_items", count);
|
|
}
|
|
prop.put("page", 1);
|
|
}
|
|
} catch (MalformedURLException e) {
|
|
prop.put("page", 2);
|
|
} catch (IOException e) {
|
|
prop.put("page", 2);
|
|
} catch (ParseException e) {
|
|
prop.put("page", 2);
|
|
}
|
|
|
|
// return rewrite properties
|
|
return prop;
|
|
}
|
|
}
|