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The source code// $Id: CrUnconventionalOperName.java,v 1.15 2004/09/21 19:03:26 mvw Exp $ // Copyright (c) 1996-99 The Regents of the University of California. All // Rights Reserved. Permission to use, copy, modify, and distribute this // software and its documentation without fee, and without a written // agreement is hereby granted, provided that the above copyright notice // and this paragraph appear in all copies. This software program and // documentation are copyrighted by The Regents of the University of // California. The software program and documentation are supplied "AS // IS", without any accompanying services from The Regents. The Regents // does not warrant that the operation of the program will be // uninterrupted or error-free. The end-user understands that the program // was developed for research purposes and is advised not to rely // exclusively on the program for any reason. IN NO EVENT SHALL THE // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. // File: CrUnconventionalOperName.java // Classes: CrUnconventionalOperName // Original Author: jrobbins@ics.uci.edu // $Id: CrUnconventionalOperName.java,v 1.15 2004/09/21 19:03:26 mvw Exp $ package org.argouml.uml.cognitive.critics; import org.argouml.cognitive.Designer; import org.argouml.cognitive.ToDoItem; import org.argouml.uml.cognitive.UMLToDoItem; import org.argouml.cognitive.critics.Critic; import org.argouml.kernel.Wizard; import org.argouml.model.ModelFacade; import org.tigris.gef.util.VectorSet; /** Critic to detect whether an operation name obeys to certain rules. */ public class CrUnconventionalOperName extends CrUML { /** * The constructor. * */ public CrUnconventionalOperName() { setHeadline("Choose a Better MOperation Name"); addSupportedDecision(CrUML.DEC_NAMING); setKnowledgeTypes(Critic.KT_SYNTAX); addTrigger("feature_name"); } /** * @see org.argouml.uml.cognitive.critics.CrUML#predicate2( * java.lang.Object, org.argouml.cognitive.Designer) */ public boolean predicate2(Object dm, Designer dsgr) { if (!(ModelFacade.isAOperation(dm))) return NO_PROBLEM; Object oper = /*(MOperation)*/ dm; String myName = ModelFacade.getName(oper); if (myName == null || myName.equals("")) return NO_PROBLEM; String nameStr = myName; if (nameStr == null || nameStr.length() == 0) return NO_PROBLEM; char initalChar = nameStr.charAt(0); Object stereo = null; if (ModelFacade.getStereotypes(oper).size() > 0) { stereo = ModelFacade.getStereotypes(oper).iterator().next(); } if ((stereo != null) && ("create".equals(ModelFacade.getName(stereo)) || "constructor".equals(ModelFacade.getName(stereo)))) { return NO_PROBLEM; } if (!Character.isLowerCase(initalChar)) return PROBLEM_FOUND; return NO_PROBLEM; } /** * @see org.argouml.cognitive.critics.Critic#toDoItem( * java.lang.Object, org.argouml.cognitive.Designer) */ public ToDoItem toDoItem(Object dm, Designer dsgr) { Object f = /*(MFeature)*/ dm; VectorSet offs = computeOffenders(f); return new UMLToDoItem(this, offs, dsgr); } /** * @param dm the object to be checked * @return the set of offenders */ protected VectorSet computeOffenders(Object/*MFeature*/ dm) { VectorSet offs = new VectorSet(dm); offs.addElement(ModelFacade.getOwner(dm)); return offs; } /** * @see org.argouml.cognitive.Poster#stillValid( * org.argouml.cognitive.ToDoItem, org.argouml.cognitive.Designer) */ public boolean stillValid(ToDoItem i, Designer dsgr) { if (!isActive()) return false; VectorSet offs = i.getOffenders(); Object f = /*(MFeature)*/ offs.firstElement(); if (!predicate(f, dsgr)) return false; VectorSet newOffs = computeOffenders(f); boolean res = offs.equals(newOffs); return res; } /** * CandidateForConstructor tests if the operation name is the same * as the class name. If so, an alternative path in the wizard is * possible where we are suggested to make the operation a constructor. * * @param me the operation to check * @return true if this operation looks like a constructor */ protected boolean candidateForConstructor(Object/*MModelElement*/ me) { if (!(ModelFacade.isAOperation(me))) return false; Object oper = /*(MOperation)*/ me; String myName = ModelFacade.getName(oper); if (myName == null || myName.equals("")) return false; Object cl = ModelFacade.getOwner(oper); String nameCl = ModelFacade.getName(cl); if (nameCl == null || nameCl.equals("")) return false; if (myName.equals(nameCl)) return true; return false; } /** * @see org.argouml.cognitive.critics.Critic#initWizard(org.argouml.kernel.Wizard) */ public void initWizard(Wizard w) { if (w instanceof WizOperName) { ToDoItem item = w.getToDoItem(); Object me = /*(MModelElement)*/ item.getOffenders().elementAt(0); String sug = ModelFacade.getName(me); sug = sug.substring(0, 1).toLowerCase() + sug.substring(1); boolean cand = candidateForConstructor(me); String ins = "Change the operation name to start with a " + "lowercase letter"; if (cand) ins = ins + " or make it a constructor"; ins = ins + "."; ((WizOperName) w).setInstructions(ins); ((WizOperName) w).setSuggestion(sug); ((WizOperName) w).setPossibleConstructor(cand); } } /** * @see org.argouml.cognitive.critics.Critic#getWizardClass(org.argouml.cognitive.ToDoItem) */ public Class getWizardClass(ToDoItem item) { return WizOperName.class; } } /* end class CrUnconventionalOperName */ |
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