[Archive-access-cvs] SF.net SVN: archive-access: [1778] trunk/archive-access/projects/wayback/ wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/ CaptureToUrlResultFilter.java

[<bra...@us...>]

Revision: 1778
          http://archive-access.svn.sourceforge.net/archive-access/?rev=1778&view=rev
Author:   bradtofel
Date:     2007-07-16 15:53:22 -0700 (Mon, 16 Jul 2007)

Log Message:
-----------
INITIAL REV: awful filter that translates CaptureSearchResults to URLSearchResults, breaking encapsulation completely.

Added Paths:
-----------
    trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/CaptureToUrlResultFilter.java

Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/CaptureToUrlResultFilter.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/CaptureToUrlResultFilter.java	                        (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/CaptureToUrlResultFilter.java	2007-07-16 22:53:22 UTC (rev 1778)
@@ -0,0 +1,102 @@
+/* CaptureToUrlResultFilter
+ *
+ * $Id$
+ *
+ * Created on 6:23:07 PM Apr 19, 2007.
+ *
+ * Copyright (C) 2007 Internet Archive.
+ *
+ * This file is part of wayback-core.
+ *
+ * wayback-core is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * any later version.
+ *
+ * wayback-core 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 Lesser Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser Public License
+ * along with wayback-core; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+package org.archive.wayback.resourceindex.filters;
+
+import java.util.HashMap;
+import java.util.Properties;
+
+import org.archive.wayback.WaybackConstants;
+import org.archive.wayback.core.SearchResult;
+import org.archive.wayback.resourceindex.SearchResultFilter;
+
+/**
+ *
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class CaptureToUrlResultFilter extends SearchResultFilter {
+	private String currentUrl;
+	private String firstCapture;
+	private String lastCapture;
+	private int numCaptures;
+	private HashMap<String,Object> digests;
+	private SearchResult resultRef = null;
+
+	private final static String RESULT_URL = "result.url";
+	private final static String RESULT_FIRST_CAPTURE = "result.firstcapture";
+	private final static String RESULT_LAST_CAPTURE = "result.lastcapture";
+	private final static String RESULT_NUM_CAPTURES = "result.numcaptures";
+	private final static String RESULT_NUM_VERSIONS = "result.numversions";
+	private final static String RESULT_ORIGINAL_URL = "result.originalurl";
+	
+	private void fungeSearchResult(SearchResult result) {
+		String originalUrl = result.get(WaybackConstants.RESULT_URL);
+		currentUrl = result.get(WaybackConstants.RESULT_URL_KEY);
+		firstCapture = result.get(WaybackConstants.RESULT_CAPTURE_DATE);
+		lastCapture = result.get(WaybackConstants.RESULT_CAPTURE_DATE);
+		digests = new HashMap<String,Object>();
+		digests.put(result.get(WaybackConstants.RESULT_MD5_DIGEST),null);
+		numCaptures = 1;
+
+		Properties p = result.getData();
+		p.clear();
+		resultRef = result;
+		resultRef.put(RESULT_ORIGINAL_URL,originalUrl);
+		resultRef.put(RESULT_URL,currentUrl);
+		resultRef.put(RESULT_FIRST_CAPTURE,firstCapture);
+		resultRef.put(RESULT_LAST_CAPTURE,firstCapture);
+		resultRef.put(RESULT_NUM_CAPTURES,"1");
+		resultRef.put(RESULT_NUM_VERSIONS,"1");
+	}
+	/* (non-Javadoc)
+	 * @see org.archive.wayback.resourceindex.SearchResultFilter#filterSearchResult(org.archive.wayback.core.SearchResult)
+	 */
+	@Override
+	public int filterSearchResult(SearchResult r) {
+		String urlKey = r.get(WaybackConstants.RESULT_URL_KEY);
+		if(resultRef == null || !currentUrl.equals(urlKey)) {
+			fungeSearchResult(r);
+			return FILTER_INCLUDE;
+		}
+
+		// same url -- accumulate:
+		String captureDate = r.get(WaybackConstants.RESULT_CAPTURE_DATE);
+		if(captureDate.compareTo(firstCapture) < 0) {
+			firstCapture = captureDate;
+			resultRef.put(RESULT_FIRST_CAPTURE,firstCapture);
+		}
+		if(captureDate.compareTo(lastCapture) < 0) {
+			lastCapture = captureDate;
+			resultRef.put(RESULT_LAST_CAPTURE,lastCapture);
+		}
+		numCaptures++;
+		digests.put(r.get(WaybackConstants.RESULT_MD5_DIGEST), null);
+		resultRef.put(RESULT_NUM_CAPTURES,String.valueOf(numCaptures));
+		resultRef.put(RESULT_NUM_VERSIONS,String.valueOf(digests.size()));
+		return FILTER_EXCLUDE;
+	}
+
+}


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