// CacheResource_p.java
// -----------------------
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
//$LastChangedDate: 2011-03-22 11:35:26 +0100 (Di, 22. Mär 2011) $
//$LastChangedRevision: 7620 $
//$LastChangedBy: orbiter $
//
// 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.net.MalformedURLException;
import net.yacy.cora.protocol.HeaderFramework;
import net.yacy.cora.protocol.RequestHeader;
import net.yacy.cora.protocol.ResponseHeader;
import net.yacy.document.ImageParser;
import net.yacy.kelondro.data.meta.DigestURI;
import net.yacy.kelondro.logging.Log;
import de.anomic.http.client.Cache;
import de.anomic.server.serverObjects;
import de.anomic.server.serverSwitch;
import de.anomic.server.servletProperties;
public class CacheResource_p {
public static Object respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
final servletProperties prop = new servletProperties();
prop.put("resource", new byte[0]);
if (post == null) return prop;
final String u = post.get("url", "");
DigestURI url;
try {
url = new DigestURI(u);
} catch (MalformedURLException e) {
Log.logException(e);
return prop;
}
byte[] resource = null;
resource = Cache.getContent(url.hash());
if (resource == null) return prop;
// check request type
if (header.get("EXT", "html").equals("png")) {
// a png was requested
return ImageParser.parse(u, resource);
} else {
// get response header and set mime type
ResponseHeader responseHeader = Cache.getResponseHeader(url.hash());
String resMime = responseHeader == null ? null : responseHeader.mime();
if (resMime != null) {
final ResponseHeader outgoingHeader = new ResponseHeader();
outgoingHeader.put(HeaderFramework.CONTENT_TYPE, resMime);
prop.setOutgoingHeader(outgoingHeader);
}
// add resource
prop.put("resource", resource);
return prop;
}
}
}