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140 lines
4.8 KiB
140 lines
4.8 KiB
// IResourceInfo.java
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// -------------------------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2006
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//
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// This file ist contributed by Martin Thelian
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//
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// $LastChangedDate: 2006-02-20 23:57:42 +0100 (Mo, 20 Feb 2006) $
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// $LastChangedRevision: 1715 $
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// $LastChangedBy: theli $
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma.cache;
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import java.util.Date;
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import java.util.Map;
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import de.anomic.yacy.yacyURL;
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/**
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* A class containing metadata about a downloaded resource
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*/
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public interface IResourceInfo {
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/**
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* @return the resource information
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*/
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public Map getMap();
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/**
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* @return the URL of this content
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*/
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public yacyURL getUrl();
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/**
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* Returns the referer URL of this URL
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* @return referer URL
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*/
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public yacyURL getRefererUrl();
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/**
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* Returns the mimetype of the cached object
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* @return mimetype
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*/
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public String getMimeType();
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/**
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* Returns the charset of the resource
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* @return returns the name of the charset or <code>null</code> if unknown
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*/
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public String getCharacterEncoding();
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/**
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* Returns the modification date of the cached object
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* @return the modifiaction date
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*/
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public Date getModificationDate();
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/**
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* Specifies if the resource was requested with a
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* if modified since date
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* @return the <code>Modified since</code>-header field or <code>null</code>
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* if the request didn't contain this field
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*/
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public Date ifModifiedSince();
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/**
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* Specifies if the resource was requested with
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* client specific information (e.g. cookies for http)
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* @return whether additional client specific information were passed
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* along the reuqest for this resource
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*/
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public boolean requestWithCookie();
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/**
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* Specifies if the request prohibits indexing
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* @return whether indexing is proibited by this request
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*/
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public boolean requestProhibitsIndexing();
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/**
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* Determines if a resource that was downloaded by the crawler
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* is allowed to be indexed.
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*
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* @return an error string describing the reason why the
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* resourse should not be indexed or null if indexing is allowed
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*/
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public String shallIndexCacheForCrawler();
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/**
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* Determines if a resource that was downloaded by the proxy
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* is allowed to be indexed.
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*
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* @return an error string describing the reason why the
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* resourse should not be indexed or null if indexing is allowed
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*/
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public String shallIndexCacheForProxy();
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public String shallStoreCacheForProxy();
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public boolean shallUseCacheForProxy();
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public boolean validResponseStatus(String responseStatus);
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}
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