diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/model/property/Attendee.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/model/property/Attendee.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,185 @@
+/**
+ * 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.property;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.text.ParseException;
+
+import net.fortuna.ical4j.model.Parameter;
+import net.fortuna.ical4j.model.ParameterList;
+import net.fortuna.ical4j.model.Property;
+import net.fortuna.ical4j.model.PropertyFactoryImpl;
+import net.fortuna.ical4j.model.ValidationException;
+import net.fortuna.ical4j.util.ParameterValidator;
+import net.fortuna.ical4j.util.Strings;
+import net.fortuna.ical4j.util.Uris;
+
+/**
+ * $Id$
+ * 
+ * Created: [Apr 6, 2004]
+ *
+ * Defines an ATTENDEE iCalendar component property.
+ * @author benf
+ */
+public class Attendee extends Property {
+
+    private static final long serialVersionUID = 8430929418723298803L;
+
+    private URI calAddress;
+
+    /**
+     * Default constructor.
+     */
+    public Attendee() {
+        super(ATTENDEE, PropertyFactoryImpl.getInstance());
+    }
+
+    /**
+     * @param aValue a value string for this component
+     * @throws URISyntaxException where the specified value string is not a valid uri
+     */
+    public Attendee(final String aValue) throws URISyntaxException {
+        super(ATTENDEE, PropertyFactoryImpl.getInstance());
+        setValue(aValue);
+    }
+
+    /**
+     * @param aList a list of parameters for this component
+     * @param aValue a value string for this component
+     * @throws URISyntaxException where the specified value string is not a valid uri
+     */
+    public Attendee(final ParameterList aList, final String aValue)
+            throws URISyntaxException {
+        super(ATTENDEE, aList, PropertyFactoryImpl.getInstance());
+        setValue(aValue);
+    }
+
+    /**
+     * @param aUri a URI
+     */
+    public Attendee(final URI aUri) {
+        super(ATTENDEE, PropertyFactoryImpl.getInstance());
+        calAddress = aUri;
+    }
+
+    /**
+     * @param aList a list of parameters for this component
+     * @param aUri a URI
+     */
+    public Attendee(final ParameterList aList, final URI aUri) {
+        super(ATTENDEE, aList, PropertyFactoryImpl.getInstance());
+        calAddress = aUri;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final void setValue(final String aValue) throws URISyntaxException {
+        calAddress = Uris.create(aValue);
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final void validate() throws ValidationException {
+
+        /*
+         * ; the following are optional, ; but MUST NOT occur more than once (";" cutypeparam) / (";"memberparam) / (";"
+         * roleparam) / (";" partstatparam) / (";" rsvpparam) / (";" deltoparam) / (";" delfromparam) / (";"
+         * sentbyparam) / (";"cnparam) / (";" dirparam) / (";" languageparam) /
+         */
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.CUTYPE,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.MEMBER,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.ROLE,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.PARTSTAT,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.RSVP,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(
+                Parameter.DELEGATED_TO, getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(
+                Parameter.DELEGATED_FROM, getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.SENT_BY,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.CN,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.DIR,
+                getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.LANGUAGE,
+                getParameters());
+
+        /* scheduleagent and schedulestatus added for CalDAV scheduling
+         */
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.SCHEDULE_AGENT,
+                                                         getParameters());
+        ParameterValidator.getInstance().assertOneOrLess(Parameter.SCHEDULE_STATUS,
+                                                         getParameters());
+        /*
+         * ; the following is optional, ; and MAY occur more than once (";" xparam)
+         */
+    }
+
+    /**
+     * @return Returns the calAddress.
+     */
+    public final URI getCalAddress() {
+        return calAddress;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final String getValue() {
+        return Uris.decode(Strings.valueOf(getCalAddress()));
+    }
+
+    /**
+     * @param calAddress The calAddress to set.
+     */
+    public final void setCalAddress(final URI calAddress) {
+        this.calAddress = calAddress;
+    }
+    
+    /**
+     * {@inheritDoc}
+     */
+    public final Property copy() throws IOException, URISyntaxException, ParseException {
+        // URI are immutable
+        return new Attendee(new ParameterList(getParameters(), false), calAddress);  
+    }
+}