diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/model/DateList.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/model/DateList.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,409 @@
+/**
+ * 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.text.ParseException;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.ListIterator;
+import java.util.StringTokenizer;
+
+import net.fortuna.ical4j.model.parameter.Value;
+
+import org.apache.commons.lang.builder.EqualsBuilder;
+import org.apache.commons.lang.builder.HashCodeBuilder;
+
+/**
+ * $Id$ [23-Apr-2004]
+ *
+ * Defines a list of iCalendar dates. If no value type is specified a list
+ * defaults to DATE-TIME instances.
+ * @author Ben Fortuna
+ */
+public class DateList implements List, Serializable {
+
+	private static final long serialVersionUID = -3700862452550012357L;
+
+	private final Value type;
+    
+    private final List dates;
+
+    private TimeZone timeZone;
+    
+    private boolean utc;
+
+    /**
+     * Default constructor.
+     */
+    public DateList() {
+    	this(false);
+    }
+
+    public DateList(final boolean unmodifiable) {
+    
+        this.type = Value.DATE_TIME;
+        if (unmodifiable) {
+        	dates = Collections.EMPTY_LIST;
+        }
+        else {
+            dates = new ArrayList();
+        }
+    }
+
+    /**
+     * @param aType the type of dates contained by the instance
+     */
+    public DateList(final Value aType) {
+        this(aType, null);
+    }
+    
+    /**
+     * Default constructor.
+     * 
+     * @param aType
+     *            specifies the type of dates (either date or date-time)
+     * @param timezone the timezone to apply to dates contained by the instance
+     */
+    public DateList(final Value aType, final TimeZone timezone) {
+        if (aType == null) {
+            this.type = Value.DATE_TIME;
+        } else {
+            this.type = aType;
+        }
+        this.timeZone = timezone;
+        dates = new ArrayList();
+    }
+
+    /**
+     * @param aValue a string representation of a date list
+     * @param aType the date types contained in the instance
+     * @throws ParseException where the specified string is not a valid date list
+     */
+    public DateList(final String aValue, final Value aType) throws ParseException {
+        this(aValue, aType, null);
+    }
+    
+    /**
+     * Parses the specified string representation to create a list of dates.
+     * 
+     * @param aValue
+     *            a string representation of a list of dates
+     * @param aType
+     *            specifies the type of dates (either date or date-time)
+     * @param timezone the timezone to apply to contained dates
+     * @throws ParseException
+     *             if an invalid date representation exists in the date list
+     *             string
+     */
+    public DateList(final String aValue, final Value aType, final TimeZone timezone)
+            throws ParseException {
+    	
+        this(aType, timezone);
+        final StringTokenizer t = new StringTokenizer(aValue, ",");
+        while (t.hasMoreTokens()) {
+            if (Value.DATE.equals(type)) {
+                add((Object) new Date(t.nextToken()));
+            }
+            else {
+                add((Object) new DateTime(t.nextToken(), timezone));
+            }
+        }
+    }
+    
+    /**
+     * Constructs a new date list of the specified type containing
+     * the dates in the specified list.
+     * @param list a list of dates to include in the new list
+     * @param type the type of the new list
+     */
+    public DateList(final DateList list, final Value type) {
+        if (!Value.DATE.equals(type) && !Value.DATE_TIME.equals(type)) {
+            throw new IllegalArgumentException(
+                    "Type must be either DATE or DATE-TIME");
+        }
+        
+        this.type = type;
+        dates = new ArrayList();
+        
+        if (Value.DATE.equals(type)) {
+            for (final Iterator i = list.iterator(); i.hasNext();) {
+                add(new Date((Date) i.next()));
+            }
+        }
+        else {
+            for (final Iterator i = list.iterator(); i.hasNext();) {
+                add(new DateTime((Date) i.next()));
+            }
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final String toString() {
+        final StringBuffer b = new StringBuffer();
+        for (final Iterator i = iterator(); i.hasNext();) {
+            /*
+             * if (type != null && Value.DATE.equals(type)) {
+             * b.append(DateFormat.getInstance().format((Date) i.next())); }
+             * else { b.append(DateTimeFormat.getInstance().format((Date)
+             * i.next(), isUtc())); }
+             */
+            b.append(i.next());
+            if (i.hasNext()) {
+                b.append(',');
+            }
+        }
+        return b.toString();
+    }
+
+    /**
+     * Add a date to the list. The date will be updated to reflect the
+     * timezone of this list.
+     * @param date the date to add
+     * @return true
+     * @see List#add(java.lang.Object)
+     */
+    public final boolean add(final Date date) {
+        if (date instanceof DateTime) {
+            if (isUtc()) {
+                ((DateTime) date).setUtc(true);
+            }
+            else {
+                ((DateTime) date).setTimeZone(getTimeZone());
+            }
+        }
+        else if (!Value.DATE.equals(getType())) {
+            final DateTime dateTime = new DateTime(date);
+            dateTime.setTimeZone(getTimeZone());
+            return add((Object) dateTime);
+        }
+        return add((Object) date);
+    }
+    
+    /**
+     * Overrides superclass to throw an <code>IllegalArgumentException</code>
+     * Where argument is not a <code>net.fortuna.ical4j.model.Date</code>.
+     * @param date the date to add
+     * @return true if the object was added, otherwise false
+     * @see List#add(E)
+     */
+    public final boolean add(final Object date) {
+        if (!(date instanceof Date)) {
+            throw new IllegalArgumentException("Argument not a " + Date.class.getName());
+        }
+        return dates.add(date);
+    }
+
+    /**
+     * Remove a date from the list.
+     * 
+     * @param date
+     *            the date to remove
+     * @return true if the list contained the specified date
+     * @see List#remove(java.lang.Object)
+     */
+    public final boolean remove(final Date date) {
+        return remove((Object) date);
+    }
+
+    /**
+     * Returns the VALUE parameter specifying the type of dates (ie. date or
+     * date-time) stored in this date list.
+     * 
+     * @return Returns a Value parameter.
+     */
+    public final Value getType() {
+        return type;
+    }
+
+    /**
+     * Indicates whether this list is in local or UTC format. This property will
+     * have no affect if the type of the list is not DATE-TIME.
+     * 
+     * @return Returns true if in UTC format, otherwise false.
+     */
+    public final boolean isUtc() {
+        return utc;
+    }
+
+    /**
+     * Sets whether this list is in UTC or local time format.
+     * 
+     * @param utc
+     *            The utc to set.
+     */
+    public final void setUtc(final boolean utc) {
+        if (!Value.DATE.equals(type)) {
+            for (final Iterator i = iterator(); i.hasNext();) {
+                ((DateTime) i.next()).setUtc(utc);
+            }
+        }
+        this.timeZone = null;
+        this.utc = utc;
+    }
+    
+    /**
+     * Applies the specified timezone to all dates in the list.
+     * All dates added to this list will also have this timezone
+     * applied.
+     * @param timeZone a timezone to apply to contained dates
+     */
+    public final void setTimeZone(final TimeZone timeZone) {
+        if (!Value.DATE.equals(type)) {
+            for (final Iterator i = iterator(); i.hasNext();) {
+                ((DateTime) i.next()).setTimeZone(timeZone);
+            }
+        }
+        this.timeZone = timeZone;
+        this.utc = false;
+    }
+
+    /**
+     * @return Returns the timeZone.
+     */
+    public final TimeZone getTimeZone() {
+        return timeZone;
+    }
+
+	public final void add(int arg0, Object arg1) {
+		dates.add(arg0, arg1);
+	}
+
+	public final boolean addAll(Collection arg0) {
+		return dates.addAll(arg0);
+	}
+
+	public final boolean addAll(int arg0, Collection arg1) {
+		return dates.addAll(arg0, arg1);
+	}
+
+	public final void clear() {
+		dates.clear();
+	}
+
+	public final boolean contains(Object o) {
+		return dates.contains(o);
+	}
+
+	public final boolean containsAll(Collection arg0) {
+		return dates.containsAll(arg0);
+	}
+
+	public final Object get(int index) {
+		return dates.get(index);
+	}
+
+	public final int indexOf(Object o) {
+		return dates.indexOf(o);
+	}
+
+	public final boolean isEmpty() {
+		return dates.isEmpty();
+	}
+
+	public final Iterator iterator() {
+		return dates.iterator();
+	}
+
+	public final int lastIndexOf(Object o) {
+		return dates.lastIndexOf(o);
+	}
+
+	public final ListIterator listIterator() {
+		return dates.listIterator();
+	}
+
+	public final ListIterator listIterator(int index) {
+		return dates.listIterator(index);
+	}
+
+	public final Object remove(int index) {
+		return dates.remove(index);
+	}
+
+	public final boolean remove(Object o) {
+		return dates.remove(o);
+	}
+
+	public final boolean removeAll(Collection arg0) {
+		return dates.removeAll(arg0);
+	}
+
+	public final boolean retainAll(Collection arg0) {
+		return dates.retainAll(arg0);
+	}
+
+	public final Object set(int arg0, Object arg1) {
+		return dates.set(arg0, arg1);
+	}
+
+	public final int size() {
+		return dates.size();
+	}
+
+	public final List subList(int fromIndex, int toIndex) {
+		return dates.subList(fromIndex, toIndex);
+	}
+
+	public final Object[] toArray() {
+		return dates.toArray();
+	}
+
+	public final Object[] toArray(Object[] arg0) {
+		return dates.toArray(arg0);
+	}
+	
+	public final boolean equals(Object obj) {
+		if (!getClass().isAssignableFrom(obj.getClass())) {
+			return false;
+		}
+		final DateList rhs = (DateList) obj;
+		return new EqualsBuilder().append(dates, rhs.dates)
+			.append(type, rhs.type)
+			.append(timeZone, rhs.timeZone)
+			.append(utc, utc)
+			.isEquals();
+	}
+	
+	public final int hashCode() {
+		return new HashCodeBuilder().append(dates)
+			.append(type)
+			.append(timeZone)
+			.append(utc)
+			.toHashCode();
+	}
+}