Source Code Cross Referenced for JavaClassGenerator.java in  » Testing » mockrunner-0.4 » com » mockrunner » gen » proc » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Testing » mockrunner 0.4 » com.mockrunner.gen.proc 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package com.mockrunner.gen.proc;
002:
003:        import java.lang.reflect.Modifier;
004:        import java.util.ArrayList;
005:        import java.util.List;
006:        import java.util.Set;
007:
008:        import com.mockrunner.util.common.ArrayUtil;
009:        import com.mockrunner.util.common.ClassUtil;
010:        import com.mockrunner.util.common.StringUtil;
011:
012:        public class JavaClassGenerator {
013:            private Package packageInfo;
014:            private List imports;
015:            private String className;
016:            private boolean isAbstract;
017:            private Class super Class;
018:            private List interfaces;
019:            private List memberTypes;
020:            private List memberNames;
021:            private String[] classCommentLines;
022:            private boolean createJavaDocComments;
023:            private List methods;
024:            private List constructors;
025:
026:            public JavaClassGenerator() {
027:                reset();
028:            }
029:
030:            public void reset() {
031:                imports = new ArrayList();
032:                interfaces = new ArrayList();
033:                memberTypes = new ArrayList();
034:                memberNames = new ArrayList();
035:                createJavaDocComments = true;
036:                isAbstract = false;
037:                methods = new ArrayList();
038:                constructors = new ArrayList();
039:            }
040:
041:            public void setCreateJavaDocComments(boolean createJavaDocComments) {
042:                this .createJavaDocComments = createJavaDocComments;
043:            }
044:
045:            public void setPackage(Package packageInfo) {
046:                this .packageInfo = packageInfo;
047:            }
048:
049:            public void setClassName(String className) {
050:                this .className = className;
051:            }
052:
053:            public void setAbstract(boolean isAbstract) {
054:                this .isAbstract = isAbstract;
055:            }
056:
057:            public void setSuperClass(Class super Class) {
058:                this .super Class = super Class;
059:            }
060:
061:            public void addImport(Class importClass) {
062:                imports.add(importClass.getName());
063:            }
064:
065:            public void addInterfaceImplementation(Class interfaceClass) {
066:                interfaces.add(interfaceClass);
067:            }
068:
069:            public void setClassComment(String[] commentLines) {
070:                classCommentLines = (String[]) ArrayUtil
071:                        .copyArray(commentLines);
072:            }
073:
074:            public void addMemberDeclaration(Class memberType, String name) {
075:                memberTypes.add(memberType);
076:                memberNames.add(name);
077:            }
078:
079:            public void addConstructorDeclaration() {
080:                constructors.add(new ConstructorDeclaration());
081:            }
082:
083:            public void addConstructorDeclaration(
084:                    ConstructorDeclaration constructor) {
085:                constructors.add(constructor);
086:            }
087:
088:            public void addMethodDeclaration(MethodDeclaration method) {
089:                methods.add(method);
090:            }
091:
092:            public String generate() {
093:                JavaLineAssembler assembler = new JavaLineAssembler();
094:                assembler.appendPackageInfo(getPackageName());
095:                appendImportBlocks(assembler);
096:                appendCommentBlock(assembler, classCommentLines);
097:                if (isAbstract) {
098:                    assembler
099:                            .appendClassDefintion(className, Modifier
100:                                    .toString(Modifier.ABSTRACT),
101:                                    getClassName(super Class),
102:                                    getClassNames(interfaces));
103:                } else {
104:                    assembler
105:                            .appendClassDefintion(className, "",
106:                                    getClassName(super Class),
107:                                    getClassNames(interfaces));
108:                }
109:                assembler.appendLeftBrace();
110:                assembler.appendNewLine();
111:                assembler.setIndentLevel(1);
112:                appendMembers(assembler);
113:                appendConstructors(assembler);
114:                appendMethods(assembler);
115:                assembler.setIndentLevel(0);
116:                assembler.appendRightBrace();
117:                return assembler.getResult();
118:            }
119:
120:            private String getPackageName() {
121:                if (null != packageInfo) {
122:                    return packageInfo.getName();
123:                }
124:                return null;
125:            }
126:
127:            private String getClassName(Class clazz) {
128:                if (null == clazz)
129:                    return null;
130:                return ClassUtil.getClassName(clazz);
131:            }
132:
133:            private String[] getClassNames(List classList) {
134:                if (null == classList || classList.size() <= 0)
135:                    return null;
136:                List nameList = new ArrayList();
137:                for (int ii = 0; ii < classList.size(); ii++) {
138:                    Class clazz = (Class) classList.get(ii);
139:                    if (null != clazz) {
140:                        nameList.add(getClassName(clazz));
141:                    }
142:                }
143:                return (String[]) nameList.toArray(new String[nameList.size()]);
144:            }
145:
146:            private String[] getClassNames(Class[] arguments) {
147:                if (null == arguments || arguments.length <= 0)
148:                    return null;
149:                String[] names = new String[arguments.length];
150:                for (int ii = 0; ii < arguments.length; ii++) {
151:                    Class clazz = arguments[ii];
152:                    names[ii] = getClassName(clazz);
153:                }
154:                return names;
155:            }
156:
157:            private String[] getArgumentNames(Class[] arguments,
158:                    String[] argumentNames) {
159:                if (null == arguments || arguments.length <= 0)
160:                    return null;
161:                if (null != argumentNames
162:                        && argumentNames.length >= arguments.length)
163:                    return argumentNames;
164:                if (null == argumentNames)
165:                    argumentNames = new String[0];
166:                String[] newNames = new String[arguments.length];
167:                for (int ii = 0; ii < argumentNames.length; ii++) {
168:                    newNames[ii] = argumentNames[ii];
169:                }
170:                for (int ii = argumentNames.length; ii < arguments.length; ii++) {
171:                    newNames[ii] = ClassUtil.getArgumentName(arguments[ii]);
172:                }
173:                ArrayUtil.ensureUnique(newNames);
174:                return newNames;
175:            }
176:
177:            private void appendImportBlocks(JavaLineAssembler assembler) {
178:                List importBlocks = processImports();
179:                for (int ii = 0; ii < importBlocks.size(); ii++) {
180:                    Set currentBlock = (Set) importBlocks.get(ii);
181:                    assembler.appendImports(new ArrayList(currentBlock));
182:                    assembler.appendNewLine();
183:                }
184:            }
185:
186:            private void appendCommentBlock(JavaLineAssembler assembler,
187:                    String[] commentLines) {
188:                if (createJavaDocComments) {
189:                    assembler.appendJavaDocComment(commentLines);
190:                } else {
191:                    assembler.appendBlockComment(commentLines);
192:                }
193:            }
194:
195:            private void appendMembers(JavaLineAssembler assembler) {
196:                String[] memberTypeNames = getClassNames(memberTypes);
197:                if (null == memberTypeNames)
198:                    return;
199:                for (int ii = 0; ii < memberTypeNames.length; ii++) {
200:                    assembler.appendMemberDeclaration(memberTypeNames[ii],
201:                            (String) memberNames.get(ii));
202:                }
203:            }
204:
205:            private void appendMethods(JavaLineAssembler assembler) {
206:                for (int ii = 0; ii < methods.size(); ii++) {
207:                    MethodDeclaration declaration = (MethodDeclaration) methods
208:                            .get(ii);
209:                    appendMethodHeader(assembler, declaration);
210:                    String[] modifiers = prepareModifiers(declaration
211:                            .getModifier());
212:                    String returnType = getClassName(declaration
213:                            .getReturnType());
214:                    String[] argumentTypes = getClassNames(declaration
215:                            .getArguments());
216:                    String[] exceptionTypes = getClassNames(declaration
217:                            .getExceptions());
218:                    String[] argumentNames = getArgumentNames(declaration
219:                            .getArguments(), declaration.getArgumentNames());
220:                    assembler.appendMethodDeclaration(modifiers, returnType,
221:                            declaration.getName(), argumentTypes,
222:                            argumentNames, exceptionTypes);
223:                    appendMethodBody(assembler, declaration);
224:                }
225:            }
226:
227:            private void appendConstructors(JavaLineAssembler assembler) {
228:                for (int ii = 0; ii < constructors.size(); ii++) {
229:                    ConstructorDeclaration declaration = (ConstructorDeclaration) constructors
230:                            .get(ii);
231:                    appendMethodHeader(assembler, declaration);
232:                    String[] argumentTypes = getClassNames(declaration
233:                            .getArguments());
234:                    String[] exceptionTypes = getClassNames(declaration
235:                            .getExceptions());
236:                    String[] argumentNames = getArgumentNames(declaration
237:                            .getArguments(), declaration.getArgumentNames());
238:                    assembler.appendConstructorDeclaration(className,
239:                            argumentTypes, argumentNames, exceptionTypes);
240:                    appendMethodBody(assembler, declaration);
241:                }
242:            }
243:
244:            private void appendMethodHeader(JavaLineAssembler assembler,
245:                    ConstructorDeclaration declaration) {
246:                assembler.appendNewLine();
247:                appendCommentBlock(assembler, declaration.getCommentLines());
248:            }
249:
250:            private void appendMethodBody(JavaLineAssembler assembler,
251:                    ConstructorDeclaration declaration) {
252:                assembler.appendIndent();
253:                assembler.appendLeftBrace();
254:                assembler.appendNewLine();
255:                appendCodeLines(assembler, declaration.getCodeLines());
256:                assembler.appendIndent();
257:                assembler.appendRightBrace();
258:                assembler.appendNewLine();
259:            }
260:
261:            private void appendCodeLines(JavaLineAssembler assembler,
262:                    String[] codeLines) {
263:                assembler.setIndentLevel(2);
264:                assembler.appendCodeLines(codeLines);
265:                assembler.setIndentLevel(1);
266:            }
267:
268:            private String[] prepareModifiers(int modifier) {
269:                String modifierString = Modifier.toString(modifier);
270:                if (null == modifierString
271:                        || modifierString.trim().length() <= 0)
272:                    return null;
273:                return StringUtil.split(modifierString, " ", true);
274:            }
275:
276:            private List processImports() {
277:                addMissingImports();
278:                PackageImportSorter sorter = new PackageImportSorter();
279:                return sorter.sortBlocks(imports);
280:            }
281:
282:            private void addMissingImports() {
283:                addImportIfNecessary(super Class);
284:                addImportsIfNecessary(interfaces);
285:                addImportsIfNecessary(memberTypes);
286:                for (int ii = 0; ii < constructors.size(); ii++) {
287:                    ConstructorDeclaration declaration = (ConstructorDeclaration) constructors
288:                            .get(ii);
289:                    addImportsForArguments(declaration);
290:                    addImportsForExceptions(declaration);
291:                }
292:                for (int ii = 0; ii < methods.size(); ii++) {
293:                    MethodDeclaration declaration = (MethodDeclaration) methods
294:                            .get(ii);
295:                    addImportForReturnType(declaration);
296:                    addImportsForArguments(declaration);
297:                    addImportsForExceptions(declaration);
298:                }
299:            }
300:
301:            private void addImportsForExceptions(
302:                    ConstructorDeclaration declaration) {
303:                Class[] exceptions = declaration.getExceptions();
304:                if (null == exceptions || exceptions.length <= 0)
305:                    return;
306:                for (int ii = 0; ii < exceptions.length; ii++) {
307:                    addImportIfNecessary(exceptions[ii]);
308:                }
309:            }
310:
311:            private void addImportsForArguments(
312:                    ConstructorDeclaration declaration) {
313:                Class[] arguments = declaration.getArguments();
314:                if (null == arguments || arguments.length <= 0)
315:                    return;
316:                for (int ii = 0; ii < arguments.length; ii++) {
317:                    addImportIfNecessary(arguments[ii]);
318:                }
319:            }
320:
321:            private void addImportForReturnType(MethodDeclaration declaration) {
322:                Class returnType = declaration.getReturnType();
323:                if (null == returnType)
324:                    return;
325:                addImportIfNecessary(returnType);
326:            }
327:
328:            private void addImportsIfNecessary(List classes) {
329:                if (null == classes)
330:                    return;
331:                for (int ii = 0; ii < classes.size(); ii++) {
332:                    addImportIfNecessary((Class) classes.get(ii));
333:                }
334:            }
335:
336:            private void addImportIfNecessary(Class clazz) {
337:                if (null == clazz)
338:                    return;
339:                while (clazz.isArray())
340:                    clazz = clazz.getComponentType();
341:                if (imports.contains(clazz.getName()))
342:                    return;
343:                if (clazz.getName().startsWith("java.lang"))
344:                    return;
345:                if (belongsToSamePackage(clazz))
346:                    return;
347:                if (clazz.isPrimitive())
348:                    return;
349:                addImport(clazz);
350:            }
351:
352:            private boolean belongsToSamePackage(Class clazz) {
353:                String this PackageName = getPackageName();
354:                Package classPackage = clazz.getPackage();
355:                String classPackageName = "";
356:                if (null != classPackage) {
357:                    classPackageName = classPackage.getName();
358:                }
359:                if (null == this PackageName) {
360:                    this PackageName = "";
361:                }
362:                if (null == classPackageName) {
363:                    classPackageName = "";
364:                }
365:                return this PackageName.equals(classPackageName);
366:            }
367:
368:            public static class ConstructorDeclaration {
369:                private Class[] arguments;
370:                private String[] argumentNames;
371:                private String[] codeLines;
372:                private String[] commentLines;
373:                private Class[] exceptions;
374:
375:                public String[] getCodeLines() {
376:                    if (null == codeLines)
377:                        return null;
378:                    return (String[]) ArrayUtil.copyArray(codeLines);
379:                }
380:
381:                public void setCodeLines(String[] codeLines) {
382:                    this .codeLines = (String[]) ArrayUtil.copyArray(codeLines);
383:                }
384:
385:                public String[] getCommentLines() {
386:                    if (null == commentLines)
387:                        return null;
388:                    return (String[]) ArrayUtil.copyArray(commentLines);
389:                }
390:
391:                public void setCommentLines(String[] commentLines) {
392:                    this .commentLines = (String[]) ArrayUtil
393:                            .copyArray(commentLines);
394:                }
395:
396:                public String[] getArgumentNames() {
397:                    if (null == argumentNames)
398:                        return null;
399:                    return (String[]) ArrayUtil.copyArray(argumentNames);
400:                }
401:
402:                public void setArgumentNames(String[] argumentNames) {
403:                    this .argumentNames = (String[]) ArrayUtil
404:                            .copyArray(argumentNames);
405:                }
406:
407:                public Class[] getArguments() {
408:                    if (null == arguments)
409:                        return null;
410:                    return (Class[]) ArrayUtil.copyArray(arguments);
411:                }
412:
413:                public void setArguments(Class[] arguments) {
414:                    this .arguments = (Class[]) ArrayUtil.copyArray(arguments);
415:                }
416:
417:                public Class[] getExceptions() {
418:                    if (null == exceptions)
419:                        return null;
420:                    return (Class[]) ArrayUtil.copyArray(exceptions);
421:                }
422:
423:                public void setExceptions(Class[] exceptions) {
424:                    this .exceptions = (Class[]) ArrayUtil.copyArray(exceptions);
425:                }
426:            }
427:
428:            public static class MethodDeclaration extends
429:                    ConstructorDeclaration {
430:                private int modifier;
431:                private Class returnType;
432:                private String name;
433:
434:                public MethodDeclaration() {
435:                    this ("method");
436:                }
437:
438:                public MethodDeclaration(String name) {
439:                    this (Modifier.PUBLIC, name);
440:                }
441:
442:                public MethodDeclaration(int modifier, String name) {
443:                    this (modifier, name, Void.TYPE);
444:                }
445:
446:                public MethodDeclaration(int modifier, String name,
447:                        Class returnType) {
448:                    setModifier(modifier);
449:                    setReturnType(returnType);
450:                    setName(name);
451:                }
452:
453:                public int getModifier() {
454:                    return modifier;
455:                }
456:
457:                public void setModifier(int modifier) {
458:                    this .modifier = modifier;
459:                }
460:
461:                public String getName() {
462:                    return name;
463:                }
464:
465:                public void setName(String name) {
466:                    this .name = name;
467:                }
468:
469:                public Class getReturnType() {
470:                    return returnType;
471:                }
472:
473:                public void setReturnType(Class returnType) {
474:                    this.returnType = returnType;
475:                }
476:            }
477:        }
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