diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/model/parameter/Rsvp.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/model/parameter/Rsvp.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,106 @@
+/**
+ * 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.parameter;
+
+import net.fortuna.ical4j.model.Parameter;
+import net.fortuna.ical4j.model.ParameterFactoryImpl;
+
+/**
+ * $Id$ [18-Apr-2004]
+ *
+ * Defines an RSVP parameter.
+ * @author benfortuna
+ */
+public class Rsvp extends Parameter {
+
+    private static final long serialVersionUID = -5381653882942018012L;
+
+    private static final String VALUE_TRUE = "TRUE";
+
+    private static final String VALUE_FALSE = "FALSE";
+
+    /**
+     * RSVP is required.
+     */
+    public static final Rsvp TRUE = new Rsvp(VALUE_TRUE);
+
+    /**
+     * RSVP not required.
+     */
+    public static final Rsvp FALSE = new Rsvp(VALUE_FALSE);
+
+    private Boolean rsvp;
+
+    /**
+     * @param aValue a string representation of an RSVP
+     */
+    public Rsvp(final String aValue) {
+        this(Boolean.valueOf(aValue));
+    }
+
+    /**
+     * @param aValue a boolean value
+     */
+    public Rsvp(final Boolean aValue) {
+        super(RSVP, ParameterFactoryImpl.getInstance());
+        this.rsvp = aValue;
+    }
+
+    /**
+     * @return Returns the rsvp.
+     */
+    public final Boolean getRsvp() {
+        return rsvp;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public final String getValue() {
+        if (rsvp.booleanValue()) {
+            return VALUE_TRUE;
+        } else {
+            return VALUE_FALSE;
+        }
+    }
+    
+    /**
+     * {@inheritDoc}
+     */
+    public final Parameter copy() {
+        if (rsvp.booleanValue()) {
+            return TRUE;
+        } else {
+            return FALSE;
+        }
+    }
+}