Revision: 2300
http://archive-access.svn.sourceforge.net/archive-access/?rev=2300&view=rev
Author: bradtofel
Date: 2008-06-24 13:52:20 -0700 (Tue, 24 Jun 2008)
Log Message:
-----------
INITIAL REV: ObjectFilter<SearchResult> which contacts a remote Exclusion Oracle, and adds a field "ANNOTATION" with the public comment matching each result.
Added Paths:
-----------
trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/OracleAnnotationFilter.java
Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/OracleAnnotationFilter.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/OracleAnnotationFilter.java (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/OracleAnnotationFilter.java 2008-06-24 20:52:20 UTC (rev 2300)
@@ -0,0 +1,93 @@
+/* OracleAnnotationFilter
+ *
+ * $Id$
+ *
+ * Created on 5:06:29 PM Jun 10, 2008.
+ *
+ * Copyright (C) 2008 Internet Archive.
+ *
+ * This file is part of wayback.
+ *
+ * wayback 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 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; 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.Date;
+
+import org.archive.accesscontrol.AccessControlClient;
+import org.archive.accesscontrol.RuleOracleUnavailableException;
+import org.archive.accesscontrol.model.Rule;
+import org.archive.wayback.core.SearchResult;
+import org.archive.wayback.core.Timestamp;
+import org.archive.wayback.util.ObjectFilter;
+
+/**
+ * SearchResult filter class which contacts an access-control Oracle, using
+ * information from the public comment field to annotate SearchResult objects.
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class OracleAnnotationFilter implements ObjectFilter<SearchResult> {
+ private AccessControlClient client = null;
+ private String oracleUrl = null;
+ private String who = null;
+ /* (non-Javadoc)
+ * @see org.archive.wayback.util.ObjectFilter#filterObject(java.lang.Object)
+ */
+ public int filterObject(SearchResult o) {
+ if(client != null) {
+ String url = o.getAbsoluteUrl();
+ Date capDate = Timestamp.parseAfter(o.getCaptureDate()).getDate();
+ try {
+ Rule r = client.getRule(url, capDate, new Date(), who);
+ if(r != null) {
+ String publicComment = r.getPublicComment();
+ o.put("ANOTATION", publicComment);
+ }
+ } catch (RuleOracleUnavailableException e) {
+ e.printStackTrace();
+ // should not happen: we forcibly disable robots retrievals
+ }
+ }
+ return FILTER_INCLUDE;
+ }
+
+ public AccessControlClient getClient() {
+ return client;
+ }
+ public void setClient(AccessControlClient client) {
+ client.setRobotLookupsEnabled(false);
+ this.client = client;
+ }
+
+ public String getWho() {
+ return who;
+ }
+
+ public void setWho(String who) {
+ this.who = who;
+ }
+
+ public String getOracleUrl() {
+ return oracleUrl;
+ }
+
+ public void setOracleUrl(String oracleUrl) {
+ this.oracleUrl = oracleUrl;
+ setClient(new AccessControlClient(oracleUrl));
+ }
+
+}
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