diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/model/WeekDayList.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/model/WeekDayList.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,128 @@
+/**
+ * Copyright (c) 2012, Ben Fortuna
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  o Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ *  o Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ *  o Neither the name of Ben Fortuna nor the names of any other contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.fortuna.ical4j.model;
+
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.StringTokenizer;
+
+import net.fortuna.ical4j.util.CompatibilityHints;
+
+/**
+ * $Id$ [29-May-2004]
+ *
+ * Defines a list of days.
+ * 
+ * @author Ben Fortuna
+ */
+public class WeekDayList extends ArrayList implements Serializable {
+    
+    private static final long serialVersionUID = 1243262497035300445L;
+
+    /**
+     * Default constructor.
+     */
+    public WeekDayList() {
+    }
+
+    /**
+     * Creates a new instance with the specified initial capacity.
+     * @param initialCapacity the initial capacity of the list
+     */
+    public WeekDayList(final int initialCapacity) {
+        super(initialCapacity);
+    }
+
+    /**
+     * Constructor.
+     * @param aString a string representation of a day list
+     */
+    public WeekDayList(final String aString) {
+        final boolean outlookCompatibility =
+            CompatibilityHints.isHintEnabled(CompatibilityHints.KEY_OUTLOOK_COMPATIBILITY);
+        
+        final StringTokenizer t = new StringTokenizer(aString, ",");
+        while (t.hasMoreTokens()) {
+            if (outlookCompatibility) {
+                add(new WeekDay(t.nextToken().replaceAll(" ", "")));
+            }
+            else {
+                add(new WeekDay(t.nextToken()));
+            }
+        }
+    }
+
+    /**
+     * @param weekDay a day to add to the list
+     * @return true if the week day is added, otherwise false
+     */
+    public final boolean add(final WeekDay weekDay) {
+        return add((Object) weekDay);
+    }
+    
+    /**
+     * Overrides superclass to throw an <code>IllegalArgumentException</code>
+     * where argument is not a <code>net.fortuna.ical4j.model.WeekDay</code>.
+     * @param weekday a week day to add
+     * @return true if the week day is added, otherwise false
+     * @see List#add(E)
+     */
+    public final boolean add(final Object weekday) {
+        if (!(weekday instanceof WeekDay)) {
+            throw new IllegalArgumentException("Argument not a " + WeekDay.class.getName());
+        }
+        return super.add(weekday);
+    }
+
+    /**
+     * @param weekDay a day to remove from the list
+     * @return true if the week day is removed, otherwise false
+     */
+    public final boolean remove(final WeekDay weekDay) {
+        return remove((Object) weekDay);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final String toString() {
+        final StringBuffer b = new StringBuffer();
+        for (final Iterator i = iterator(); i.hasNext();) {
+            b.append(i.next());
+            if (i.hasNext()) {
+                b.append(',');
+            }
+        }
+        return b.toString();
+    }
+}