added two new classes that will be used for the new htcache

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@5080 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/index/indexDocumentCache.java

@@ -0,0 +1,98 @@
+// indexDocumentCache.java
+// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
+// first published 19.08.2008 on http://yacy.net
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
+// $LastChangedRevision: 1986 $
+// $LastChangedBy: orbiter $
+//
+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+
+package de.anomic.index;
+
+import java.io.File;
+import java.io.InputStream;
+
+import de.anomic.server.logging.serverLog;
+import de.anomic.yacy.yacyURL;
+
+
+public class indexDocumentCache {
+    
+    public static final serverLog log = new serverLog("DOCUMENT-CACHE");
+
+    public indexDocumentCache(final File htCachePath, final long CacheSizeMax) {
+        
+    }
+
+
+    public int size() {
+        return 0; // dummy
+    }
+    
+
+    /**
+     * This method changes the HTCache size.<br>
+     * @param the new cache size in bytes
+     */
+    public void setCacheSize(final long newCacheSize) {
+    }
+
+    /**
+     * This method returns the free HTCache size.<br>
+     * @return the cache size in bytes
+     */
+    public long getFreeSize() {
+        return 0; // dummy
+    }
+
+    public void writeResourceContent(final yacyURL url, final byte[] array) {
+    }
+    
+    public void deleteURLfromCache(final yacyURL url) {
+    }
+
+    public void close() {
+    }
+    
+    public boolean full() {
+        return false;
+    }
+
+    public boolean empty() {
+        return false;
+    }
+
+    /**
+     * Returns the content of a cached resource as {@link InputStream}
+     * @param url the requested resource
+     * @return the resource content as {@link InputStream}. In no data
+     * is available or the cached file is not readable, <code>null</code>
+     * is returned.
+     */
+    public InputStream getResourceContentStream(final yacyURL url) {
+        return null;
+    }
+    
+    public long getResourceContentLength(final yacyURL url) {
+        return 0; // dummy
+    }
+
+}

source/de/anomic/index/indexDocumentMetadata.java

@@ -0,0 +1,87 @@
+// indexDocumentMetadata.java
+// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
+// first published 19.08.2008 on http://yacy.net
+//
+// This is a part of YaCy, a peer-to-peer based web search engine
+//
+// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
+// $LastChangedRevision: 1986 $
+// $LastChangedBy: orbiter $
+//
+// 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, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+package de.anomic.index;
+
+import java.io.File;
+import java.util.Date;
+
+import de.anomic.crawler.CrawlProfile;
+import de.anomic.yacy.yacyURL;
+
+public interface indexDocumentMetadata {
+
+    /**
+     * @return an anchor name; can be either the text inside the anchor tag or the
+     *         page description after loading of the page
+     */
+    public String name();
+
+    public yacyURL url();
+
+    public String urlHash();
+
+    public Date lastModified();
+
+    public String language();
+
+    public CrawlProfile.entry profile();
+
+    public String initiator();
+
+    public boolean proxy();
+
+    public long size();
+
+    public int depth();
+
+    public yacyURL referrerURL();
+
+    public File cacheFile();
+
+    public void setCacheArray(final byte[] data);
+
+    public byte[] cacheArray();
+
+    public String getMimeType();
+    public Date ifModifiedSince();
+    public boolean requestProhibitsIndexing();
+    public boolean requestWithCookie();
+
+    /**
+     * @return NULL if the answer is TRUE, in case of FALSE, the reason as
+     *         String is returned
+     */
+    public String shallStoreCacheForProxy();
+    
+    /**
+     * decide upon header information if a specific file should be taken from
+     * the cache or not
+     * 
+     * @return whether the file should be taken from the cache
+     */
+    public boolean shallUseCacheForProxy();
+}