[Archive-access-cvs] SF.net SVN: archive-access:[2483] trunk/archive-access/projects/wayback/ wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/ LegacyToIdentityFilter.java

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

Revision: 2483
          http://archive-access.svn.sourceforge.net/archive-access/?rev=2483&view=rev
Author:   bradtofel
Date:     2008-07-22 02:56:29 +0000 (Tue, 22 Jul 2008)

Log Message:
-----------
INITIAL-REV: ObjectFilter which converts legacy CaptureSearchResults objects into the new form, meaning fabricating the "Original URL" field from the URL key and the Original Host.

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

Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/LegacyToIdentityFilter.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/LegacyToIdentityFilter.java	                        (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/resourceindex/filters/LegacyToIdentityFilter.java	2008-07-22 02:56:29 UTC (rev 2483)
@@ -0,0 +1,74 @@
+/* LegacyToIdentityFilter
+ *
+ * $Id$
+ *
+ * Created on 11:48:56 AM Jul 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 org.archive.wayback.core.CaptureSearchResult;
+import org.archive.wayback.util.ObjectFilter;
+import org.archive.wayback.util.url.UrlOperations;
+
+/**
+ * CaptureSearchResult ObjectFilter which passes through all inputs, modifying
+ * each to construct a corrected original URL to comply with new Identity 
+ * format.
+ *
+ * @author brad
+ * @version $Date$, $Revision$
+ */
+public class LegacyToIdentityFilter implements ObjectFilter<CaptureSearchResult> {
+	private final static String DEFAULT_SCHEME = "http://";
+	
+	private int getEndOfHostIndex(String url) {
+		int portIdx = url.indexOf(UrlOperations.PORT_SEPARATOR);
+		int pathIdx = url.indexOf(UrlOperations.PATH_START);
+		if(portIdx == -1 && pathIdx == -1) {
+			return url.length();
+		}
+		if(portIdx == -1) {
+			return pathIdx;
+		}
+		if(pathIdx == -1) {
+			return portIdx;
+		}
+		if(pathIdx > portIdx) {
+			return portIdx;
+		} else {
+			return pathIdx;
+		}
+	}
+	
+	/* (non-Javadoc)
+	 * @see org.archive.wayback.util.ObjectFilter#filterObject(java.lang.Object)
+	 */
+	public int filterObject(CaptureSearchResult o) {
+		String urlKey = o.getUrlKey();
+		StringBuilder sb = new StringBuilder(urlKey.length());
+		sb.append(DEFAULT_SCHEME);
+		sb.append(o.getOriginalUrl());
+		sb.append(urlKey.substring(getEndOfHostIndex(urlKey)));
+		o.setOriginalUrl(sb.toString());
+		return FILTER_INCLUDE;
+	}
+
+}


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