/*
-----------------------------------------------------------------------
--                CHESS Live/Batch Validator plugin                  --
--                                                                   --
--                    Copyright (C) 2011-2012                        --
--                 University of Padova, ITALY                       --
--                                                                   --
-- Author: Stefano Puri								                 --
--                                                                   --
-- All rights reserved. This program and the accompanying materials  --
-- are made available under the terms of the Eclipse Public License  --
-- v1.0 which accompanies this distribution, and is available at     --
-- http://www.eclipse.org/legal/epl-v20.html                         --
-----------------------------------------------------------------------
 */
package org.polarsys.chess.validator.constraints;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Port;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.emf.validation.AbstractModelConstraint;
import org.eclipse.emf.validation.IValidationContext;
import org.polarsys.chess.chessmlprofile.util.Constants;
import org.polarsys.chess.core.util.uml.UMLUtils;

/**
 * The Class FV_05.
 * This class implements the following constraint (invoked by the EMF validation framework):
 * The Port that is owned by a ComponentType or ComponentImplementation must be stereotyped by ClientServerPort FlowPort
 */
public class FV_05 extends AbstractModelConstraint {

	/* (non-Javadoc)
	 * @see org.eclipse.emf.validation.AbstractModelConstraint#validate(org.eclipse.emf.validation.IValidationContext)
	 */
	@Override
	public IStatus validate(IValidationContext ctx) {
		IStatus success = ctx.createSuccessStatus();

		Port port = (Port) ctx.getTarget();

		Element owner = port.getOwner();
		if(!UMLUtils.isComponentType(owner) && !UMLUtils.isComponentImplementation(owner)){
			return success;
		}
		// The owner of the Port is either a ComponentType or a ComponentImplementation

		// All ports owned by component must be stereotyped with ClientServerPort or FlowPort	
		Stereotype clientServerPortStereo = port.getAppliedStereotype(Constants.CLIENTSERVER_PORT);
		Stereotype flowPortStereo = port.getAppliedStereotype(Constants.FLOW_PORT);
		if ( (clientServerPortStereo == null) && (flowPortStereo == null) ) {
			String portName = "";
			portName = port.getName();
			String errorMsg="The Port " + portName + " must be stereotyped by either <<ClientServerPort>> or <<FlowPort>>";
			IStatus failure = ctx.createFailureStatus(
					port,
					errorMsg
					);
			return failure;
		}
		return success;		
	}

}