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77 lines
2.8 KiB
77 lines
2.8 KiB
// CacheResource_p.java
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// -----------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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//$LastChangedDate$
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//$LastChangedRevision$
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//$LastChangedBy$
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.net.MalformedURLException;
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import net.yacy.cora.protocol.HeaderFramework;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.ResponseHeader;
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import net.yacy.cora.util.ConcurrentLog;
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import net.yacy.crawler.data.Cache;
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import net.yacy.document.ImageParser;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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import net.yacy.server.servletProperties;
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public class CacheResource_p {
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public static Object respond(final RequestHeader header, final serverObjects post, @SuppressWarnings("unused") final serverSwitch env) {
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final servletProperties prop = new servletProperties();
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prop.put("resource", new byte[0]);
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if (post == null) return prop;
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final String u = post.get("url", "");
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DigestURI url;
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try {
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url = new DigestURI(u);
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} catch (MalformedURLException e) {
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ConcurrentLog.logException(e);
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return prop;
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}
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byte[] resource = Cache.getContent(url.hash());
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if (resource == null) return prop;
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// check request type
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if (header.get("EXT", "html").equals("png")) {
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// a png was requested
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return ImageParser.parse(u, resource);
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}
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// get response header and set mime type
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ResponseHeader responseHeader = Cache.getResponseHeader(url.hash());
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String resMime = responseHeader == null ? null : responseHeader.mime();
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if (resMime != null) {
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final ResponseHeader outgoingHeader = new ResponseHeader(200);
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outgoingHeader.put(HeaderFramework.CONTENT_TYPE, resMime);
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prop.setOutgoingHeader(outgoingHeader);
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}
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// add resource
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prop.put("resource", resource);
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return prop;
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}
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}
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