/* $Id: OCLEvaluator.java 17830 2010-01-12 18:56:20Z linus $
*****************************************************************************
* Copyright (c) 2009 Contributors - see below
* 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-v10.html
*
* Contributors:
* tfmorris
*****************************************************************************
*
* Some portions of this file was previously release using the BSD License:
*/
// Copyright (c) 1996-2007 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.
package org.argouml.ocl;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import org.argouml.i18n.Translator;
import org.argouml.model.Model;
import org.argouml.profile.internal.ocl.DefaultOclEvaluator;
import org.argouml.profile.internal.ocl.InvalidOclException;
import org.argouml.profile.internal.ocl.ModelInterpreter;
import org.argouml.profile.internal.ocl.OclExpressionEvaluator;
import org.argouml.profile.internal.ocl.uml14.Uml14ModelInterpreter;
import org.tigris.gef.ocl.ExpansionException;
/**
* OCLEvaluator is responsible for evaluating simple OCL expressions.
* Such expressions are for example used in the critiques.<p>
*
* @stereotype singleton
* @deprecated use {@link DefaultOclEvaluator} instead - maurelio1234
*/
@Deprecated
public class OCLEvaluator extends org.tigris.gef.ocl.OCLEvaluator {
private OclExpressionEvaluator evaluator = new DefaultOclEvaluator();
private HashMap<String, Object> vt = new HashMap<String, Object>();
private ModelInterpreter modelInterpreter = new Uml14ModelInterpreter();
/**
* The constructor.
*
*/
public OCLEvaluator() {
}
/*
* @see org.tigris.gef.ocl.OCLEvaluator#evalToString(java.lang.Object,
* java.lang.String)
*/
protected synchronized String evalToString(Object self, String expr)
throws ExpansionException {
if ("self".equals(expr)) {
expr = "self.name";
}
vt.clear();
vt.put("self", self);
try {
return value2String(evaluator.evaluate(vt, modelInterpreter, expr));
} catch (InvalidOclException e) {
return "<ocl>invalid expression</ocl>";
}
}
/*
* @see org.tigris.gef.ocl.OCLEvaluator#evalToString(java.lang.Object,
* java.lang.String, java.lang.String)
*/
protected synchronized String evalToString(
Object self,
String expr,
String sep)
throws ExpansionException {
_scratchBindings.put("self", self);
java.util.List values = eval(_scratchBindings, expr);
_strBuf.setLength(0);
Iterator iter = values.iterator();
while (iter.hasNext()) {
Object v = value2String(iter.next());
if (!"".equals(v)) {
_strBuf.append(v);
if (iter.hasNext()) {
_strBuf.append(sep);
}
}
}
return _strBuf.toString();
}
private String value2String(Object v) {
if (Model.getFacade().isAExpression(v)) {
v = Model.getFacade().getBody(v);
if ("".equals(v)) {
v = "(unspecified)";
}
} else if (Model.getFacade().isAUMLElement(v)) {
v = Model.getFacade().getName(v);
if ("".equals(v)) {
v = Translator.localize("misc.name.anon");
}
} else if (v instanceof Collection) {
String acc = "[";
Collection collection = (Collection) v;
for (Object object : collection) {
acc += value2String(object) + ",";
}
acc += "]";
v = acc;
}
return "" + v;
}
} // end of OCLEvaluator