Source Code Cross Referenced for ModelExporter.java in  » Testing » KeY » de » uka » ilkd » key » ocl » gf » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » KeY » de.uka.ilkd.key.ocl.gf 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // This file is part of KeY - Integrated Deductive Software Design
002:        // Copyright (C) 2001-2005 Universitaet Karlsruhe, Germany
003:        //                         Universitaet Koblenz-Landau, Germany
004:        //                         Chalmers University of Technology, Sweden
005:        //
006:        // The KeY system is protected by the GNU General Public License. 
007:        // See LICENSE.TXT for details.
008:        //
009:        //
010:        //
011:        //
012:
013:        /** @author Kristofer Johannisson */package de.uka.ilkd.key.ocl.gf;
014:
015:        import java.io.BufferedOutputStream;
016:        import java.io.FileNotFoundException;
017:        import java.io.FileOutputStream;
018:        import java.io.PrintStream;
019:        import java.util.*;
020:        import java.util.logging.Logger;
021:
022:        import tudresden.ocl.check.OclTypeException;
023:        import tudresden.ocl.check.types.Type;
024:
025:        import com.togethersoft.openapi.rwi.*;
026:
027:        import de.uka.ilkd.key.casetool.*;
028:
029:        /** export UML/OCL type information to a file, for use in 
030:         * typechecking and with GF 
031:         */
032:        public class ModelExporter {
033:
034:            private static final String TOGETHER_UNIQUE_NAME_PREFIX = "<oiref:java#Class#";
035:            private static final String TOGETHER_UNIQUE_NAME_POSTFIX = ":oiref>";
036:
037:            /** key: package name "java::lang", val: string of class signatures */
038:            private HashMap packClass;
039:            /** key: package name "java::lang", val: string of association signatures */
040:            private HashMap packAssoc;
041:
042:            private HashMapOfClassifier model;
043:
044:            /** Contains UMLOCLAssociation. Keeps track of which assocs have been added 
045:             * (necessary since otherwise
046:             * we get the same assoc twice, in both directions) */
047:            private Vector previousAssocs;
048:
049:            private Logger logger;
050:
051:            public ModelExporter(HashMapOfClassifier model) {
052:                logger = Logger.getLogger("key.ocl.gf");
053:                packClass = new HashMap();
054:                packAssoc = new HashMap();
055:                previousAssocs = new Vector();
056:                this .model = model;
057:            }
058:
059:            /* @param s java-qualified class name e.g. java.lang.Object"
060:             * @return ocl type name e.g. "java::lang::Object", qualify with
061:             * "NOPACKAGE" as appropriate. 
062:             */
063:            private String javaType2oclType(String s) {
064:                if (s.indexOf(".") > 0) { // qualified name
065:                    return s.replaceAll("\\.", "::");
066:                } else { // unqualified
067:                    if (s.equals("Integer") || s.equals("Real")
068:                            || s.equals("Boolean") || s.equals("String")) {
069:                        return s;
070:                    } else {
071:                        return "NOPACKAGE::" + s;
072:                    }
073:                }
074:            }
075:
076:            /* @param name possibly package-qualified name, with dots 
077:             * e.g. "java.lang.Object"
078:             * @return package in OCL notation, where dots are replaced with double
079:             * colons (last part discarded), e.g. "java::lang"
080:             */
081:            private String name2package(String name) {
082:                int lastDot = name.lastIndexOf(".");
083:
084:                if (lastDot >= 0) {
085:                    String javaPack = name.substring(0, lastDot);
086:                    String result = javaPack.replaceAll("\\.", "::");
087:                    return result.equals("") ? "NOPACKAGE" : result;
088:                } else { // no dot found
089:                    return "NOPACKAGE";
090:                }
091:            }
092:
093:            private String qualifiedName(UMLOCLClassifier c) {
094:                return javaType2oclType(c.getFullName());
095:            }
096:
097:            /** Convert a Type into a String representing an OCL type. This could 
098:             * entail qualifing and handling of array types
099:             */
100:            private String dresdenType2str(Type t) {
101:                if (t instanceof  UMLOCLClassifier) {
102:                    if (t.toString().endsWith("[]")) { // take care of broken array types
103:                        String shortname = t.toString().substring(0,
104:                                t.toString().length() - 2);
105:                        String ocltype;
106:                        try { // is the array element type a Java basic type?
107:                            ocltype = JavaOCLTypeMap.getBasicTypeFor(shortname)
108:                                    .toString();
109:                        } catch (OclTypeException ote) {
110:                            // if not, it could still be one of the following:
111:                            if (shortname.equals("String")
112:                                    || shortname.equals("Integer")
113:                                    || shortname.equals("Real")
114:                                    || shortname.equals("Boolean")) {
115:                                ocltype = shortname;
116:                            } else { // not a special class, qualify as usual:
117:                                ocltype = ((UMLOCLClassifier) t).getFullName();
118:                                ocltype = javaType2oclType(ocltype.substring(0,
119:                                        ocltype.length() - 2));
120:                            }
121:                        }
122:
123:                        return "Sequence (" + ocltype + ")";
124:                    } else { // not an array type
125:                        return qualifiedName((UMLOCLClassifier) t);
126:                    }
127:                } else { // this is probably a dresden Basic type
128:                    return t.toString();
129:                }
130:            }
131:
132:            private String structFeature2str(UMLOCLStructuralFeature attr) {
133:                if (classNotHandled(attr.getType().toString())) {
134:                    return "";
135:                } else {
136:                    return attr.getName() + " : "
137:                            + dresdenType2str(attr.getType()) + ";\n";
138:                }
139:            }
140:
141:            private boolean inhFromObject(UMLOCLFeature oper) {
142:                String n = oper.getName();
143:                Type r = oper.getType();
144:                String rS;
145:                if (r != null) {
146:                    rS = r.toString();
147:                } else {
148:                    rS = "";
149:                }
150:
151:                return (n.equals("wait()") && r == null)
152:                        || (n.equals("wait(long)") && r == null)
153:                        || (n.equals("wait(long,int)") && r == null)
154:                        || (n.equals("getClass()") && r == null)
155:                        || (n.equals("toString()") && rS.equals("String"))
156:                        || (n.equals("equals(java.lang.Object)") && rS
157:                                .equals("Boolean"))
158:                        || (n.equals("hashCode()") && rS.equals("Integer"))
159:                        || (n.equals("notifyAll()") && r == null)
160:                        || (n.equals("finalize()") && r == null)
161:                        || (n.equals("clone()") && rS.equals("Object"))
162:                        || (n.equals("notify()") && r == null);
163:            }
164:
165:            /** operation names contain parameters, this method cleans up the name,
166:             * i.e. it drops everything after (and including) the first '(' */
167:            private String dropArguments(String operName) {
168:                int x = operName.indexOf("(");
169:                if (x != -1) {
170:                    return operName.substring(0, x);
171:                } else {
172:                    return operName;
173:                }
174:
175:            }
176:
177:            private String behavFeature2str(UMLOCLBehaviouralFeature oper) {
178:                String result;
179:                String name = dropArguments(oper.getName());
180:
181:                Type[] args = oper.getParameters();
182:                Type returns = oper.getType();
183:
184:                // note that isQuery currently always returns true
185:                if (oper.isQuery() && returns != null) {
186:                    result = "{query} ";
187:                } else {
188:                    result = "";
189:                }
190:
191:                result += name + "(";
192:                for (int i = 0; i < args.length; i++) {
193:                    if (i != 0) {
194:                        result += ", ";
195:                    }
196:                    if (classNotHandled(args[i].toString())) {
197:                        return "";
198:                    }
199:                    result += dresdenType2str(args[i]);
200:                }
201:                result += ")";
202:
203:                if (returns != null) {
204:                    if (classNotHandled(returns.toString())) {
205:                        return "";
206:                    }
207:                    result += " : " + dresdenType2str(returns);
208:                }
209:
210:                result += ";\n";
211:                return result;
212:            }
213:
214:            private String mult2str(Multiplicity mult) {
215:                int min = mult.getMin();
216:                int max = mult.getMax();
217:
218:                if (min == 1 && max == 1) {
219:                    return "[1]";
220:                } else {
221:                    String minS = "0"; // default in case of no match below
222:                    String maxS = "*"; // default in case of no match below
223:
224:                    if (min == 0) {
225:                        minS = "0";
226:                    } else if (min == 1) {
227:                        minS = "1";
228:                    }
229:                    if (max == 1) {
230:                        maxS = "1";
231:                    } else if (max == Multiplicity.INFINITE) {
232:                        maxS = "*";
233:                    }
234:
235:                    return "[" + minS + ".." + maxS + "]";
236:                }
237:            }
238:
239:            // this really belongs in UMLOCLAssociations, but that is an interface
240:            private boolean assocEqualsNoDirection(UMLOCLAssociation a1,
241:                    UMLOCLAssociation a2) {
242:                return ((a1.getSource() == a2.getSource()
243:                        && a1.getSourceMultiplicity() == a2
244:                                .getSourceMultiplicity()
245:                        && a1.getSourceRole() == a2.getSourceRole()
246:                        && a1.getTarget() == a2.getTarget()
247:                        && a1.getTargetMultiplicity() == a2
248:                                .getTargetMultiplicity() && a1.getTargetRole() == a2
249:                        .getTargetRole()) || (a1.getSource() == a2.getTarget()
250:                        && a1.getSourceMultiplicity() == a2
251:                                .getTargetMultiplicity()
252:                        && a1.getSourceRole() == a2.getTargetRole()
253:                        && a1.getTarget() == a2.getSource()
254:                        && a1.getTargetMultiplicity() == a2
255:                                .getSourceMultiplicity() && a1.getTargetRole() == a2
256:                        .getSourceRole()));
257:            }
258:
259:            private boolean assocAlreadyDefined(UMLOCLAssociation assoc) {
260:                Iterator i = previousAssocs.iterator();
261:                UMLOCLAssociation a;
262:
263:                while (i.hasNext()) {
264:                    a = (UMLOCLAssociation) i.next();
265:                    if (assocEqualsNoDirection(a, assoc)) {
266:                        return true;
267:                    }
268:                }
269:
270:                return false;
271:            }
272:
273:            private String getAssocQualifier(String sourceRole,
274:                    String targetClass, String role, String qualifier) {
275:                //Added by Daniel
276:                //Checks if this association is ordered or not
277:                //as given by the "supplierQualifier"-property
278:                RwiModel rwiModel = RwiModelAccess.getModel();
279:                String result = "";
280:                //"targetClass" needs to be UMLOCLClassifier::getFullName() !
281:                String uniqueName = TOGETHER_UNIQUE_NAME_PREFIX + targetClass
282:                        + TOGETHER_UNIQUE_NAME_POSTFIX;
283:                RwiElement elem = rwiModel.findElement(uniqueName);
284:                if (elem != null) {
285:                    RwiNode node = (RwiNode) elem;
286:                    Enumeration memEnum = node.members();
287:                    while (memEnum.hasMoreElements()) {
288:                        RwiMember member = (RwiMember) memEnum.nextElement();
289:                        String supplierRoleProp = member.getProperty(role);
290:                        if (supplierRoleProp != null
291:                                && supplierRoleProp.equals(sourceRole)) {
292:                            result = member.getProperty(qualifier);
293:                            break;
294:                        }
295:                    }
296:                }
297:
298:                return result == null ? "" : result;
299:            }
300:
301:            private String assoc2str(UMLOCLAssociation assoc) {
302:
303:                String sourceClass = assoc.getSource().getFullName();
304:                String targetClass = assoc.getTarget().getFullName();
305:                String sourceMult = mult2str(assoc.getSourceMultiplicity());
306:                String targetMult = mult2str(assoc.getTargetMultiplicity());
307:                String sourceRole = assoc.getSourceRole();
308:                String targetRole = assoc.getTargetRole();
309:
310:                String source, target;
311:
312:                if (sourceRole != null) {
313:                    source = sourceRole + " : " + javaType2oclType(sourceClass)
314:                            + " " + sourceMult;
315:                } else {
316:                    source = javaType2oclType(sourceClass) + " " + sourceMult;
317:                }
318:
319:                if (targetRole != null) {
320:                    target = targetRole + " : " + javaType2oclType(targetClass)
321:                            + " " + targetMult;
322:                } else {
323:                    target = javaType2oclType(targetClass) + " " + targetMult;
324:                }
325:
326:                // find out if the association-ends are {ordered} or not
327:                // N.B.: this requires role-names, will not work if they are missing
328:                // source/target might be client/supplier or supplier/client 
329:                // in Toghether-speak. Try both ways.
330:                String qLeft = getAssocQualifier(sourceRole, targetClass,
331:                        "supplierRole", "supplierQualifier");
332:                String qRight = getAssocQualifier(sourceRole, targetClass,
333:                        "supplierRole", "clientQualifier");
334:
335:                if (qLeft.equals("") && qRight.equals("")) {
336:                    qLeft = getAssocQualifier(targetRole, sourceClass,
337:                            "supplierRole", "clientQualifier");
338:                    qRight = getAssocQualifier(targetRole, sourceClass,
339:                            "supplierRole", "supplierQualifier");
340:                }
341:
342:                if (qLeft.equals("ordered") || qLeft.equals("{ordered}")) {
343:                    source = "{ordered} " + source;
344:                }
345:
346:                if (qRight.equals("ordered") || qRight.equals("{ordered}")) {
347:                    target = "{ordered} " + target;
348:                }
349:
350:                return source + " <-> " + target + ";\n";
351:
352:            }
353:
354:            private String super types2str(HashMapOfClassifier super types) {
355:                String result = "";
356:
357:                boolean addSeparator = false;
358:                Iterator i = super types.keySet().iterator();
359:                while (i.hasNext()) {
360:                    if (addSeparator) {
361:                        result += ", ";
362:                    }
363:                    UMLOCLClassifier classif = ((UMLOCLClassifier) super types
364:                            .get(i.next()));
365:                    result += qualifiedName(classif);
366:                    addSeparator = true;
367:                }
368:
369:                return result;
370:            }
371:
372:            private boolean bracketed(String s) {
373:                return s.startsWith("<")
374:                        && (s.endsWith(">") || s.indexOf(">(") != -1);
375:            }
376:
377:            // we cannot handle all Java classes
378:            private boolean classNotHandled(String s) {
379:                return s.equals("Enumeration") || s.equals("Class")
380:                        || s.equals("<Default>");
381:            }
382:
383:            // some Java classes clash with built-in OCL types
384:            private boolean classAlreadyInOCL(String s) {
385:                return s.equals("Boolean") || s.equals("Integer")
386:                        || s.equals("String");
387:            }
388:
389:            private void addClassifier(UMLOCLClassifier classif) {
390:                // array types are for some reason included by Together/KeY
391:                // do not include these
392:                if (classif.getName().endsWith("[]")) {
393:                    return;
394:                }
395:
396:                if (classNotHandled(classif.getName())
397:                        || classAlreadyInOCL(classif.getName())) {
398:                    return;
399:                }
400:
401:                HashMapOfClassifier super types = classif.getSupertypes();
402:                HashMapOfFeatures features = classif.features();
403:                HashMapOfAssociations assocs = classif.getAssociations();
404:
405:                String pack = name2package(classif.getFullName());
406:
407:                String super s = super types2str(super types);
408:
409:                HashSet attrs = new HashSet();
410:                HashSet opers = new HashSet();
411:
412:                Iterator i = features.keySet().iterator();
413:                while (i.hasNext()) {
414:                    UMLOCLFeature f = (UMLOCLFeature) features.get(i.next());
415:                    if (!bracketed(f.getName())) {
416:                        if (f instanceof  UMLOCLStructuralFeature) {
417:                            attrs
418:                                    .add(structFeature2str((UMLOCLStructuralFeature) f));
419:                        } else if (f instanceof  UMLOCLBehaviouralFeature
420:                                && (!inhFromObject(f))) {
421:                            opers
422:                                    .add(behavFeature2str((UMLOCLBehaviouralFeature) f));
423:                        }
424:                    }
425:                }
426:
427:                String assocsDef = "";
428:                i = assocs.keySet().iterator();
429:                while (i.hasNext()) {
430:                    UMLOCLAssociation assoc = (UMLOCLAssociation) assocs.get(i
431:                            .next());
432:                    if (!assocAlreadyDefined(assoc)) {
433:                        previousAssocs.add(assoc);
434:                        assocsDef += assoc2str(assoc);
435:                    }
436:                }
437:                if (!assocsDef.equals("")) {
438:                    String assocsDefs = (String) packAssoc.get(pack);
439:                    if (assocsDefs != null) {
440:                        packAssoc.put(pack, assocsDefs + assocsDef);
441:                    } else {
442:                        packAssoc.put(pack, assocsDef);
443:                    }
444:                }
445:
446:                String attrsDef = "";
447:                i = attrs.iterator();
448:                while (i.hasNext()) {
449:                    attrsDef += (String) i.next();
450:                }
451:                String opersDef = "";
452:                i = opers.iterator();
453:                while (i.hasNext()) {
454:                    opersDef += (String) i.next();
455:                }
456:
457:                String classDef = "<class> "
458:                        + classif.getName()
459:                        + "\n"
460:                        + (super s.equals("") ? "" : "<super> " + super s
461:                                + " </super>\n")
462:                        + (attrsDef.equals("") ? "" : "<attributes> "
463:                                + attrsDef + " </attributes>\n")
464:                        + (opersDef.equals("") ? "" : "<opers> " + opersDef
465:                                + " </opers>\n") + "</class>\n";
466:
467:                String classDefs = (String) packClass.get(pack);
468:                if (classDefs != null) {
469:                    classDefs = classDefs + "\n" + classDef;
470:                } else {
471:                    classDefs = classDef;
472:                }
473:                packClass.put(pack, classDefs);
474:            }
475:
476:            /** export model information to a file
477:             * @param path path for what file to write to 
478:             */
479:            public void export(String path) {
480:                try {
481:                    PrintStream stream = new PrintStream(
482:                            new BufferedOutputStream(new FileOutputStream(path)));
483:                    export(stream);
484:                    stream.flush();
485:                    stream.close();
486:                } catch (FileNotFoundException e) {
487:                    logger.severe("Can not open file " + path
488:                            + " for writing model information.");
489:                }
490:
491:            }
492:
493:            /** export model information
494:             * @param ps export on this PrintStream
495:             */
496:            public void export(PrintStream ps) {
497:                Iterator i = model.keySet().iterator();
498:                while (i.hasNext()) {
499:                    addClassifier((UMLOCLClassifier) model.get(i.next()));
500:                }
501:
502:                i = packClass.keySet().iterator();
503:                String pkg;
504:
505:                while (i.hasNext()) {
506:                    pkg = (String) i.next();
507:                    ps.println("<package> " + pkg);
508:
509:                    ps.println((String) packClass.get(pkg));
510:                    ps.println();
511:
512:                    String pAssocs = (String) packAssoc.get(pkg);
513:                    if (pAssocs != null) {
514:                        ps.println("<associations>");
515:                        //ps.println(orderAssocs(pAssocs));
516:                        ps.println(pAssocs);
517:                        ps.println("</associations>");
518:                    }
519:
520:                    ps.println("</package>");
521:                    ps.println();
522:                }
523:            }
524:
525:            /*
526:            //To get all ordered associations to appear first
527:            public String orderAssocs(String str) {
528:            StringBuffer buffer = new StringBuffer(str);
529:            LinkedList list = new LinkedList();
530:            int index = buffer.indexOf("\n");
531:            while (index != -1) {
532:                String s = buffer.substring(0, index+1);
533:                list.add(s);
534:                buffer = buffer.delete(0, index+1);
535:                index = buffer.indexOf("\n");
536:            }
537:
538:            StringBuffer result = new StringBuffer();
539:            Iterator iter = list.iterator();
540:            while (iter.hasNext()) {
541:                String s = (String)iter.next();
542:                if (s.startsWith("{ordered}")) {
543:                result.insert(0, s);
544:                } else {
545:                result.append(s);
546:                }
547:            }
548:            return result.toString();
549:            }
550:             */
551:        }
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