diff -r 000000000000 -r fb9019fb1bf7 src/net/fortuna/ical4j/model/component/CalendarComponent.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/fortuna/ical4j/model/component/CalendarComponent.java	Tue Feb 10 18:12:00 2015 +0100
@@ -0,0 +1,177 @@
+/**
+ * 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.component;
+
+import net.fortuna.ical4j.model.Component;
+import net.fortuna.ical4j.model.PropertyList;
+import net.fortuna.ical4j.model.ValidationException;
+import net.fortuna.ical4j.model.Validator;
+import net.fortuna.ical4j.model.property.Method;
+
+/**
+ * $Id$
+ *
+ * Created on 26/02/2006
+ *
+ * Base class for components that may be added to a calendar.
+ * @author Ben Fortuna
+ */
+public abstract class CalendarComponent extends Component {
+
+    /**
+     * 
+     */
+    private static final long serialVersionUID = -5832972592377720592L;
+    
+    /**
+     * Validator instance that does nothing.
+     */
+    protected static final Validator EMPTY_VALIDATOR = new EmptyValidator();
+    
+    /**
+     * @param name component name
+     */
+    public CalendarComponent(final String name) {
+        super(name);
+    }
+
+    /**
+     * @param name component name
+     * @param properties component properties
+     */
+    public CalendarComponent(final String name, final PropertyList properties) {
+        super(name, properties);
+    }
+
+    /**
+     * Performs method-specific ITIP validation.
+     * @param method the applicable method
+     * @throws ValidationException where the component does not comply with RFC2446
+     */
+    public final void validate(Method method) throws ValidationException {
+        final Validator validator = getValidator(method);
+        if (validator != null) {
+            validator.validate();
+        }
+        else {
+            throw new ValidationException("Unsupported method: " + method);
+        }
+    }
+
+    /**
+     * @param method a method to validate on
+     * @return a validator for the specified method or null if the method is not supported
+     */
+    protected abstract Validator getValidator(Method method);
+    
+    /**
+     * Apply validation for METHOD=PUBLISH.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validatePublish() throws ValidationException {
+        validate(Method.PUBLISH);
+    }
+
+    /**
+     * Apply validation for METHOD=REQUEST.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateRequest() throws ValidationException {
+        validate(Method.REQUEST);
+    }
+
+    /**
+     * Apply validation for METHOD=REPLY.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateReply() throws ValidationException {
+        validate(Method.REPLY);
+    }
+
+    /**
+     * Apply validation for METHOD=ADD.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateAdd() throws ValidationException {
+        validate(Method.ADD);
+    }
+
+    /**
+     * Apply validation for METHOD=CANCEL.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateCancel() throws ValidationException {
+        validate(Method.CANCEL);
+    }
+
+    /**
+     * Apply validation for METHOD=REFRESH.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateRefresh() throws ValidationException {
+        validate(Method.REFRESH);
+    }
+
+    /**
+     * Apply validation for METHOD=COUNTER.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateCounter() throws ValidationException {
+        validate(Method.COUNTER);
+    }
+
+    /**
+     * Apply validation for METHOD=DECLINE-COUNTER.
+     * @throws ValidationException where the component does not comply with RFC2446
+     * @deprecated
+     */
+    public final void validateDeclineCounter() throws ValidationException {
+        validate(Method.DECLINE_COUNTER);
+    }
+    
+    private static class EmptyValidator implements Validator {
+        
+		private static final long serialVersionUID = 1L;
+
+        public void validate() throws ValidationException {
+            // TODO Auto-generated method stub
+            
+        }
+    }
+}