Revision: 2989
http://archive-access.svn.sourceforge.net/archive-access/?rev=2989&view=rev
Author: bradtofel
Date: 2010-03-20 01:11:18 +0000 (Sat, 20 Mar 2010)
Log Message:
-----------
FEATURE: transformer for META refresh tags
Added Paths:
-----------
trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/html/transformer/MetaRefreshUrlStringTransformer.java
Added: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/html/transformer/MetaRefreshUrlStringTransformer.java
===================================================================
--- trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/html/transformer/MetaRefreshUrlStringTransformer.java (rev 0)
+++ trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/html/transformer/MetaRefreshUrlStringTransformer.java 2010-03-20 01:11:18 UTC (rev 2989)
@@ -0,0 +1,78 @@
+/* MetaRefreshUrlStringTransformer
+ *
+ * $Id$:
+ *
+ * Created on Jan 12, 2010.
+ *
+ * Copyright (C) 2006 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.replay.html.transformer;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import org.archive.wayback.replay.html.ReplayParseContext;
+import org.archive.wayback.replay.html.StringTransformer;
+
+/**
+ * @author brad
+ *
+ */
+public class MetaRefreshUrlStringTransformer extends URLStringTransformer
+implements StringTransformer {
+
+ private final static Pattern refreshURLPattern =
+ Pattern.compile("^\\d+\\s*;\\s*url\\s*=\\s*(.+?)\\s*$",
+ Pattern.CASE_INSENSITIVE | Pattern.MULTILINE);
+
+ /* (non-Javadoc)
+ * @see org.archive.wayback.replay.html.StringTransformer#transform(org.archive.wayback.replay.html.ReplayParseContext, java.lang.String)
+ */
+ public String transform(ReplayParseContext context, String input) {
+ /*
+ <META
+ HTTP-EQUIV="Refresh"
+ CONTENT="0; URL=/ics/default.asp">
+
+ Our argument "input" is set to the value of the "CONTENT" attribute.
+
+ So, we need to search for the "URL=", take everything to the right
+ of that, trim it, contextualize it, and return that.
+ */
+ Matcher m = refreshURLPattern.matcher(input);
+ if(m.matches()) {
+ if(m.groupCount() == 1) {
+ StringBuilder sb = new StringBuilder(input.length() * 2);
+
+ sb.append(input.substring(0,m.start(1)));
+
+ sb.append(super.transform(context, m.group(1)));
+
+ // This was temporarily used for testing the regex:
+// sb.append("(((").append(m.group(1)).append(")))");
+
+ sb.append(input.substring(m.end(1)));
+ return sb.toString();
+ }
+ }
+ return input;
+ }
+
+}
Property changes on: trunk/archive-access/projects/wayback/wayback-core/src/main/java/org/archive/wayback/replay/html/transformer/MetaRefreshUrlStringTransformer.java
___________________________________________________________________
Added: svn:keywords
+ Author Date Revision Id
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