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43 package org.netbeans.html.json.impl;
45 import java.io.IOException;
46 import java.io.OutputStreamWriter;
47 import java.io.StringWriter;
48 import java.io.Writer;
49 import java.lang.annotation.AnnotationTypeMismatchException;
50 import java.lang.annotation.IncompleteAnnotationException;
51 import java.lang.reflect.Method;
52 import java.util.ArrayList;
53 import java.util.Arrays;
54 import java.util.Collection;
55 import java.util.Collections;
56 import java.util.HashMap;
57 import java.util.HashSet;
58 import java.util.LinkedHashSet;
59 import java.util.List;
61 import java.util.ResourceBundle;
63 import java.util.WeakHashMap;
64 import java.util.logging.Level;
65 import java.util.logging.Logger;
66 import javax.annotation.processing.AbstractProcessor;
67 import javax.annotation.processing.Completion;
68 import javax.annotation.processing.Completions;
69 import javax.annotation.processing.ProcessingEnvironment;
70 import javax.annotation.processing.Processor;
71 import javax.annotation.processing.RoundEnvironment;
72 import javax.annotation.processing.SupportedAnnotationTypes;
73 import javax.annotation.processing.SupportedSourceVersion;
74 import javax.lang.model.SourceVersion;
75 import javax.lang.model.element.AnnotationMirror;
76 import javax.lang.model.element.AnnotationValue;
77 import javax.lang.model.element.Element;
78 import javax.lang.model.element.ElementKind;
79 import javax.lang.model.element.ExecutableElement;
80 import javax.lang.model.element.Modifier;
81 import javax.lang.model.element.PackageElement;
82 import javax.lang.model.element.TypeElement;
83 import javax.lang.model.element.VariableElement;
84 import javax.lang.model.type.ArrayType;
85 import javax.lang.model.type.DeclaredType;
86 import javax.lang.model.type.MirroredTypeException;
87 import javax.lang.model.type.TypeKind;
88 import javax.lang.model.type.TypeMirror;
89 import javax.lang.model.util.Elements;
90 import javax.lang.model.util.Types;
91 import javax.tools.Diagnostic;
92 import javax.tools.FileObject;
93 import net.java.html.json.ComputedProperty;
94 import net.java.html.json.Model;
95 import net.java.html.json.Function;
96 import net.java.html.json.ModelOperation;
97 import net.java.html.json.OnPropertyChange;
98 import net.java.html.json.OnReceive;
99 import net.java.html.json.Property;
100 import org.openide.util.lookup.ServiceProvider;
102 /** Annotation processor to process {@link Model @Model} annotations and
103 * generate appropriate model classes.
105 * @author Jaroslav Tulach <jtulach@netbeans.org>
107 @ServiceProvider(service=Processor.class)
108 @SupportedSourceVersion(SourceVersion.RELEASE_6)
109 @SupportedAnnotationTypes({
110 "net.java.html.json.Model",
111 "net.java.html.json.ModelOperation",
112 "net.java.html.json.Function",
113 "net.java.html.json.OnReceive",
114 "net.java.html.json.OnPropertyChange",
115 "net.java.html.json.ComputedProperty",
116 "net.java.html.json.Property"
118 public final class ModelProcessor extends AbstractProcessor {
119 private static final Logger LOG = Logger.getLogger(ModelProcessor.class.getName());
120 private final Map<Element,String> models = new WeakHashMap<Element,String>();
121 private final Map<Element,Prprt[]> verify = new WeakHashMap<Element,Prprt[]>();
123 public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
125 for (Element e : roundEnv.getElementsAnnotatedWith(Model.class)) {
126 if (e.getKind().isField()) {
127 if (e.getKind() != ElementKind.ENUM_CONSTANT) {
128 error("Only enum constants fields can be annotated by @Model annotations", e);
132 if (e.getEnclosingElement().getAnnotation(Model.class) == null) {
133 error("Enclosing enum has to be annotated by @Model annotation", e);
137 } else if (!processModelOrEnum(e)) {
141 if (roundEnv.processingOver()) {
143 for (Map.Entry<Element, Prprt[]> entry : verify.entrySet()) {
144 if (!(entry.getKey() instanceof TypeElement)) {
147 TypeElement te = (TypeElement)entry.getKey();
148 String fqn = processingEnv.getElementUtils().getBinaryName(te).toString();
149 Element finalElem = processingEnv.getElementUtils().getTypeElement(fqn);
150 if (finalElem == null) {
154 Model m = finalElem.getAnnotation(Model.class);
158 props = Prprt.wrap(processingEnv, finalElem, m.properties());
159 for (Prprt p : props) {
160 boolean[] isModel = { false };
161 boolean[] isEnum = { false };
162 boolean[] isPrimitive = { false };
163 String t = checkType(p, isModel, isEnum, isPrimitive);
167 if (isPrimitive[0]) {
173 if ("java.lang.String".equals(t)) {
176 error("The type " + t + " should be defined by @Model annotation", entry.getKey());
184 private void error(String msg, Element e) {
185 processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, msg, e);
188 private boolean processModelOrEnum(Element e) {
189 if (e.getKind() == ElementKind.ENUM) {
190 return processEnum(e);
192 return processModel(e);
195 private boolean processModel(Element e) {
197 Model m = e.getAnnotation(Model.class);
201 String pkg = findPkgName(e);
203 String className = m.className();
204 models.put(e, className);
206 StringWriter body = new StringWriter();
207 StringBuilder onReceiveType = new StringBuilder();
208 List<PropInfo> propsGetSet = new ArrayList<PropInfo>();
209 List<String> functions = new ArrayList<String>();
210 Map<String, Collection<String>> propsDeps = new HashMap<String, Collection<String>>();
211 Map<String, Collection<String>> functionDeps = new HashMap<String, Collection<String>>();
212 Prprt[] props = createProps(e, m.properties());
214 if (!generateComputedProperties(body, props, e.getEnclosedElements(), propsGetSet, propsDeps)) {
217 if (!generateOnChange(e, propsDeps, props, className, functionDeps)) {
220 if (!generateProperties(e, body, className, props, propsGetSet, null, propsDeps, functionDeps)) {
223 if (!generateFunctions(e, body, className, e.getEnclosedElements(), functions)) {
226 if (!generateReceive(e, body, className, e.getEnclosedElements(), onReceiveType)) {
229 if (!generateOperation(e, body, className, e.getEnclosedElements())) {
232 FileObject java = processingEnv.getFiler().createSourceFile(pkg + '.' + className, e);
233 w = new OutputStreamWriter(java.openOutputStream());
235 w.append("package " + pkg + ";\n");
236 w.append("import net.java.html.json.*;\n");
237 w.append("public final ");
238 generateClassBody(w, className, body, e, props,
239 functionDeps, propsDeps, propsGetSet, null,
240 functions, onReceiveType
245 } catch (IOException ex) {
246 error("Can't create " + className + ".java", e);
252 private void generateClassBody(
253 Writer w, String className, StringWriter body,
254 Element e, Prprt[] props,
255 Map<String, Collection<String>> functionDeps,
256 Map<String, Collection<String>> propsDeps,
257 List<PropInfo> propsGetSet,
258 Collection<PropInfo> taken,
259 List<String> functions,
260 StringBuilder onReceiveType
261 ) throws IOException {
262 w.append("class ").append(className).append(" implements Cloneable {\n");
263 w.append(" private static final Html4JavaType TYPE = new Html4JavaType();\n");
264 w.append(" private final org.apidesign.html.json.spi.Proto proto;\n");
265 w.append(body.toString());
266 w.append(" private static Class<" + inPckName(e) + "> modelFor() { return null; }\n");
267 w.append(" private ").append(className).append("(net.java.html.BrwsrCtx context) {\n");
268 w.append(" this.proto = TYPE.createProto(this, context);\n");
269 for (int i = 0; i < props.length; i++) {
272 final String tn = typeName(e, p);
273 String[] gs = toGetSet(p.name(), tn, p.array());
274 w.write(" this.prop_" + p.name() + " = proto.createList(\""
276 if (functionDeps.containsKey(p.name())) {
281 Collection<String> dependants = propsDeps.get(p.name());
282 if (dependants != null) {
283 for (String depProp : dependants) {
295 w.append(" public ").append(className).append("() {\n");
296 w.append(" this(net.java.html.BrwsrCtx.findDefault(").append(className).append(".class));\n");
297 for (Prprt p : props) {
299 boolean[] isModel = {false};
300 boolean[] isEnum = {false};
301 boolean isPrimitive[] = {false};
302 String tn = checkType(p, isModel, isEnum, isPrimitive);
303 if (isModel[0] && !isEnum[0]) {
304 w.write(" prop_" + p.name() + " = new " + tn + "();\n");
309 if (props.length > 0) {
310 w.append(" public ").append(className).append("(");
311 Prprt firstArray = null;
313 for (Prprt p : props) {
315 if (firstArray == null) {
320 String tn = typeName(e, p);
323 w.write(" " + p.name());
326 if (firstArray != null) {
328 boolean[] isModel = {false};
329 boolean[] isEnum = {false};
330 boolean isPrimitive[] = {false};
331 tn = checkType(firstArray, isModel, isEnum, isPrimitive);
334 w.write("... " + firstArray.name());
337 w.append(" this(net.java.html.BrwsrCtx.findDefault(").append(className).append(".class));\n");
338 for (Prprt p : props) {
342 w.write(" this.prop_" + p.name() + " = " + p.name() + ";\n");
344 if (firstArray != null) {
345 w.write(" proto.initTo(this.prop_" + firstArray.name() + ", " + firstArray.name() + ");\n");
349 w.append(" private static class Html4JavaType extends org.apidesign.html.json.spi.Proto.Type<").append(className).append("> {\n");
350 w.append(" private Html4JavaType() {\n super(").append(className).append(".class, ").
351 append(inPckName(e)).append(".class, " + (propsGetSet.size()) + ", "
352 + (functions.size() / 2) + ");\n");
354 for (int i = 0; i < propsGetSet.size(); i++) {
355 w.append(" registerProperty(\"").append(propsGetSet.get(i).name).append("\", ");
356 w.append(i + ", " + (propsGetSet.get(i).set == null) + ");\n");
360 for (int i = 0; i < functions.size(); i += 2) {
361 w.append(" registerFunction(\"").append(functions.get(i)).append("\", ");
362 w.append((i / 2) + ");\n");
366 w.append(" @Override public void setValue(" + className + " data, int type, Object value) {\n");
367 w.append(" switch (type) {\n");
368 for (int i = 0; i < propsGetSet.size(); i++) {
369 final String set = propsGetSet.get(i).set;
370 String tn = propsGetSet.get(i).type;
371 String btn = findBoxedType(tn);
376 w.append(" case " + i + ": data." + strip(set) + "(TYPE.extractValue(" + tn + ".class, value)); return;\n");
381 w.append(" @Override public Object getValue(" + className + " data, int type) {\n");
382 w.append(" switch (type) {\n");
383 for (int i = 0; i < propsGetSet.size(); i++) {
384 final String get = propsGetSet.get(i).get;
386 w.append(" case " + i + ": return data." + strip(get) + "();\n");
390 w.append(" throw new UnsupportedOperationException();\n");
392 w.append(" @Override public void call(" + className + " model, int type, Object data, Object ev) {\n");
393 w.append(" switch (type) {\n");
394 for (int i = 0; i < functions.size(); i += 2) {
395 final String name = functions.get(i);
396 w.append(" case " + (i / 2) + ": model." + name + "(data, ev); return;\n");
399 w.append(" throw new UnsupportedOperationException();\n");
401 w.append(" @Override public org.apidesign.html.json.spi.Proto protoFor(Object obj) {\n");
402 w.append(" return ((" + className + ")obj).proto;");
404 w.append(" @Override public void onChange(" + className + " model, int type) {\n");
405 w.append(" switch (type) {\n");
407 for (int i = 0; i < props.length; i++) {
408 String pn = props[i].name();
409 Collection<String> onChange = functionDeps.get(pn);
410 if (onChange != null) {
411 w.append(" case " + i + ":\n");
412 for (String call : onChange) {
413 w.append(" ").append(call).append("\n");
415 w.write(" return;\n");
421 w.append(onReceiveType);
422 w.append(" @Override public " + className + " read(net.java.html.BrwsrCtx c, Object json) { return new " + className + "(c, json); }\n");
423 w.append(" @Override public " + className + " cloneTo(" + className + " o, net.java.html.BrwsrCtx c) { return o.clone(c); }\n");
425 w.append(" private ").append(className).append("(net.java.html.BrwsrCtx c, Object json) {\n");
426 w.append(" this(c);\n");
428 for (int i = 0; i < propsGetSet.size(); i++) {
429 Prprt p = findPrprt(props, propsGetSet.get(i).name);
435 w.append(" Object[] ret = new Object[" + values + "];\n");
436 w.append(" proto.extract(json, new String[] {\n");
437 for (int i = 0; i < propsGetSet.size(); i++) {
438 Prprt p = findPrprt(props, propsGetSet.get(i).name);
442 w.append(" \"").append(propsGetSet.get(i).name).append("\",\n");
444 w.append(" }, ret);\n");
445 for (int i = 0, cnt = 0, prop = 0; i < propsGetSet.size(); i++) {
446 final String pn = propsGetSet.get(i).name;
447 Prprt p = findPrprt(props, pn);
451 if (prop == props.length) {
454 boolean[] isModel = { false };
455 boolean[] isEnum = { false };
456 boolean isPrimitive[] = { false };
457 String type = checkType(props[prop++], isModel, isEnum, isPrimitive);
459 w.append(" if (ret[" + cnt + "] instanceof Object[]) {\n");
460 w.append(" for (Object e : ((Object[])ret[" + cnt + "])) {\n");
462 w.append(" this.prop_").append(pn).append(".add(proto.read");
463 w.append("(" + type + ".class, e));\n");
464 } else if (isEnum[0]) {
465 w.append(" this.prop_").append(pn);
466 w.append(".add(e == null ? null : ");
467 w.append(type).append(".valueOf(TYPE.stringValue(e)));\n");
469 if (isPrimitive(type)) {
470 w.append(" this.prop_").append(pn).append(".add(TYPE.numberValue(e).");
471 w.append(type).append("Value());\n");
473 w.append(" this.prop_").append(pn).append(".add((");
474 w.append(type).append(")e);\n");
481 w.append(" try {\n");
482 w.append(" this.prop_").append(pn);
483 w.append(" = ret[" + cnt + "] == null ? null : ");
484 w.append(type).append(".valueOf(TYPE.stringValue(ret[" + cnt + "]));\n");
485 w.append(" } catch (IllegalArgumentException ex) {\n");
486 w.append(" ex.printStackTrace();\n");
488 } else if (isPrimitive(type)) {
489 w.append(" this.prop_").append(pn);
490 w.append(" = ret[" + cnt + "] == null ? ");
491 if ("char".equals(type)) {
492 w.append("0 : (TYPE.charValue(");
493 } else if ("boolean".equals(type)) {
494 w.append("false : (TYPE.boolValue(");
496 w.append("0 : (TYPE.numberValue(");
498 w.append("ret[" + cnt + "])).");
499 w.append(type).append("Value();\n");
500 } else if (isModel[0]) {
501 w.append(" this.prop_").append(pn).append(" = proto.read");
502 w.append("(" + type + ".class, ");
503 w.append("ret[" + cnt + "]);\n");
505 w.append(" this.prop_").append(pn);
506 w.append(" = (").append(type).append(')');
507 w.append("ret[" + cnt + "];\n");
513 writeToString(props, w);
514 writeClone(className, props, w);
515 w.write(" /** Activates this model instance in the current {@link \n"
516 + "net.java.html.json.Models#bind(java.lang.Object, net.java.html.BrwsrCtx) browser context}. \n"
517 + "In case of using Knockout technology, this means to \n"
518 + "bind JSON like data in this model instance with Knockout tags in \n"
519 + "the surrounding HTML page.\n"
522 w.write(" public " + className + " applyBindings() {\n");
523 w.write(" proto.applyBindings();\n");
524 w.write(" return this;\n");
526 w.write(" public boolean equals(Object o) {\n");
527 w.write(" if (o == this) return true;\n");
528 w.write(" if (!(o instanceof " + className + ")) return false;\n");
529 w.write(" " + className + " p = (" + className + ")o;\n");
530 for (Prprt p : props) {
531 w.write(" if (!TYPE.isSame(prop_" + p.name() + ", p.prop_" + p.name() + ")) return false;\n");
533 w.write(" return true;\n");
535 w.write(" public int hashCode() {\n");
536 w.write(" int h = " + className + ".class.getName().hashCode();\n");
537 for (Prprt p : props) {
538 w.write(" h = TYPE.hashPlus(prop_" + p.name() + ", h);\n");
540 w.write(" return h;\n");
545 private boolean processEnum(Element e) {
547 Model m = e.getAnnotation(Model.class);
551 String pkg = findPkgName(e);
553 String className = m.className();
554 models.put(e, className);
556 StringWriter body = new StringWriter();
557 StringBuilder onReceiveType = new StringBuilder();
558 List<PropInfo> propsGetSet = new ArrayList<PropInfo>();
559 List<String> functions = new ArrayList<String>();
560 Map<String, Collection<String>> propsDeps = new HashMap<String, Collection<String>>();
561 Map<String, Collection<String>> functionDeps = new HashMap<String, Collection<String>>();
562 Prprt[] props = createProps(e, m.properties());
564 if (!generateComputedProperties(body, props, e.getEnclosedElements(), propsGetSet, propsDeps)) {
567 if (!generateProperties(e, body, className, props, propsGetSet, null, propsDeps, functionDeps)) {
570 List<PropInfo> mergedProps = new ArrayList<PropInfo>(propsGetSet);
571 List<Prprt> allProps = new ArrayList<Prprt>(Arrays.asList(props));
572 for (Element ec : e.getEnclosedElements()) {
573 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
576 Model em = ec.getAnnotation(Model.class);
580 Prprt[] subProps = Prprt.wrap(processingEnv, ec, em.properties());
581 allProps.addAll(Arrays.asList(subProps));
582 for (Prprt prprt : subProps) {
583 PropInfo found = null;
584 for (PropInfo existing : mergedProps) {
585 if (existing.name.equals(prprt.name())) {
591 final String tn = typeName(ec, prprt);
592 String[] gs = toGetSet(prprt.name(), tn, prprt.array());
596 castTo = "java.util.List";
600 found = new PropInfo(
607 mergedProps.add(found);
612 if (!generateOnChange(e, propsDeps, allProps.toArray(new Prprt[0]), className, functionDeps)) {
615 if (!generateFunctions(e, body, className, e.getEnclosedElements(), functions)) {
618 if (!generateReceive(e, body, className, e.getEnclosedElements(), onReceiveType)) {
621 if (!generateOperation(e, body, className, e.getEnclosedElements())) {
624 FileObject java = processingEnv.getFiler().createSourceFile(pkg + '.' + className, e);
625 w = new OutputStreamWriter(java.openOutputStream());
627 w.append("package " + pkg + ";\n");
628 w.append("import net.java.html.json.*;\n");
629 w.append("public final class ").append(className).append(" implements Cloneable {\n");
630 w.append(" private static final Html4JavaType TYPE = new Html4JavaType();\n");
631 w.append(" private final org.apidesign.html.json.spi.Proto proto;\n");
632 w.append(body.toString());
633 w.append(" private static Class<" + inPckName(e) + "> modelFor() { return null; }\n");
634 w.append(" private ").append(className).append("(net.java.html.BrwsrCtx context, Object union) {\n");
635 w.append(" this(context, union, null);\n");
636 w.append(" union.getClass(); // null check\n");
638 w.append(" private ").append(className).append("(net.java.html.BrwsrCtx context, Object union, Object json) {\n");
639 w.append(" this.proto = TYPE.createProto(this, context);\n");
640 for (int i = 0; i < props.length; i++) {
643 final String tn = typeName(e, p);
644 String[] gs = toGetSet(p.name(), tn, p.array());
645 w.write(" this.prop_" + p.name() + " = proto.createList(\""
647 if (functionDeps.containsKey(p.name())) {
652 Collection<String> dependants = propsDeps.get(p.name());
653 if (dependants != null) {
654 for (String depProp : dependants) {
665 w.append(" this.union = union == null ? readUnion(json) : union;\n");
668 StringBuilder factoryHeader = new StringBuilder();
669 Prprt firstArray = null;
670 w.write(" private final Object union;\n");
673 Model defaultGenerated = null;
674 for (Element ec : e.getEnclosedElements()) {
675 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
678 Model em = ec.getAnnotation(Model.class);
682 defaultGenerated = em;
685 w.append(" /** New instance with ").append(defaultGenerated.className()).append(" union */");
686 w.append(" public ").append(className).append("() {\n");
687 if (defaultGenerated != null) {
688 w.append(" this(net.java.html.BrwsrCtx.findDefault(").append(className).append(".class),");
689 w.append(" new ").append(defaultGenerated.className()).append("());\n");
691 w.append(" throw new IllegalStateException();\n");
692 error("There needs to be at least one enum constant!", e);
697 for (Element ec : e.getEnclosedElements()) {
698 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
701 Model em = ec.getAnnotation(Model.class);
705 factoryHeader.setLength(0);
707 w.append(" public ").append(className).append("(").append(em.className()).append(" union");
708 for (Prprt p : props) {
710 if (firstArray == null) {
715 String tn = typeName(e, p);
716 w.write(", "); factoryHeader.append(", ");
717 w.write(tn); factoryHeader.append(tn);
718 w.write(" " + p.name()); factoryHeader.append(" " + p.name());
720 if (firstArray != null) {
722 boolean[] isModel = {false};
723 boolean[] isEnum = {false};
724 boolean isPrimitive[] = {false};
725 tn = checkType(firstArray, isModel, isEnum, isPrimitive);
726 w.write(", "); factoryHeader.append(", ");
727 w.write(tn); factoryHeader.append(tn);
728 w.write("... " + firstArray.name()); factoryHeader.append("... " + firstArray.name());
732 w.append(" this(net.java.html.BrwsrCtx.findDefault(").append(className).append(".class), union);\n");
733 w.append(" ((" + em.className() + ")union).proto.onValueHasMutated(this.proto);\n");
734 for (Prprt p : props) {
738 w.write(" this.prop_" + p.name() + " = " + p.name() + ";\n");
740 if (firstArray != null) {
741 w.write(" proto.initTo(this.prop_" + firstArray.name() + ", " + firstArray.name() + ");\n");
745 w.append(" private static class Html4JavaType extends org.apidesign.html.json.spi.Proto.Type<").append(className).append("> {\n");
746 w.append(" private Html4JavaType() {\n super(").append(className).append(".class, ").
747 append(inPckName(e)).append(".class, " + (mergedProps.size()) + ", "
748 + (functions.size() / 2) + ");\n");
750 for (int i = 0; i < mergedProps.size(); i++) {
751 w.append(" registerProperty(\"").append(mergedProps.get(i).name).append("\", ");
752 w.append(i + ", " + (mergedProps.get(i).set == null) + ");\n");
756 for (int i = 0; i < functions.size(); i += 2) {
757 w.append(" registerFunction(\"").append(functions.get(i)).append("\", ");
758 w.append((i / 2) + ");\n");
762 w.append(" @Override public void setValue(" + className + " data, int type, Object value) {\n");
763 w.append(" switch (type) {\n");
764 for (int i = 0; i < mergedProps.size(); i++) {
765 final PropInfo mp = mergedProps.get(i);
766 final String set = mp.set;
768 String btn = findBoxedType(tn);
773 if (mp.models.isEmpty()) {
774 w.append(" case " + i + ": data." + strip(set) + "(TYPE.extractValue(" + tn + ".class, value)); return;\n");
776 w.append(" case " + i + ": {\n");
777 for (Model mdl : mp.models) {
778 w.append(" if (data.get" + mdl.className() +
779 "() != null) data.get" + mdl.className() + "()." +
780 strip(set) + "(TYPE.extractValue(" + tn +
784 w.append(" return;\n");
791 w.append(" @Override public Object getValue(" + className + " data, int type) {\n");
792 w.append(" switch (type) {\n");
793 for (int i = 0; i < mergedProps.size(); i++) {
794 final PropInfo mp = mergedProps.get(i);
795 final String get = mp.get;
797 if (mp.models.isEmpty()) {
798 w.append(" case " + i + ": return data." + strip(get) + "();\n");
800 w.append(" case " + i + ": {\n");
801 for (Model mdl : mp.models) {
802 w.append(" if (data.get" + mdl.className() +
803 "() != null) return data.get" + mdl.className() + "()." +
807 w.append(" return null;\n");
813 w.append(" throw new UnsupportedOperationException();\n");
815 w.append(" @Override public void call(" + className + " model, int type, Object data, Object ev) {\n");
816 w.append(" switch (type) {\n");
817 for (int i = 0; i < functions.size(); i += 2) {
818 final String name = functions.get(i);
819 w.append(" case " + (i / 2) + ": model." + name + "(data, ev); return;\n");
822 w.append(" throw new UnsupportedOperationException();\n");
824 w.append(" @Override public org.apidesign.html.json.spi.Proto protoFor(Object obj) {\n");
825 w.append(" return ((" + className + ")obj).proto;");
827 w.append(" @Override public void onChange(" + className + " model, int type) {\n");
828 w.append(" switch (type) {\n");
830 for (int i = 0; i < allProps.size(); i++) {
831 String pn = allProps.get(i).name();
832 Collection<String> onChange = functionDeps.get(pn);
833 if (onChange != null) {
834 w.append(" case " + i + ":\n");
835 for (String call : onChange) {
836 w.append(" ").append(call).append("\n");
838 w.write(" return;\n");
844 w.append(onReceiveType);
845 w.append(" @Override public " + className + " read(net.java.html.BrwsrCtx c, Object json) {\n");
846 w.append(" return new " + className + "(c, null, json);\n");
848 w.append(" @Override public " + className + " cloneTo(" + className + " o, net.java.html.BrwsrCtx c) { return o.clone(c); }\n");
850 w.append(" private final Object readUnion(Object json) {\n");
852 for (int i = 0; i < propsGetSet.size(); i++) {
853 Prprt p = findPrprt(props, propsGetSet.get(i).name);
859 w.append(" Object[] ret = new Object[" + values + "];\n");
860 w.append(" proto.extract(json, new String[] {\n");
861 w.append(" \"").append(e.getSimpleName()).append("\",\n");
862 for (int i = 0; i < propsGetSet.size(); i++) {
863 Prprt p = findPrprt(props, propsGetSet.get(i).name);
867 w.append(" \"").append(propsGetSet.get(i).name).append("\",\n");
869 w.append(" }, ret);\n");
870 w.append(" Object union;\n");
871 w.append(" switch (" + inPckName(e) + ".valueOf(ret[0].toString())) {\n" );
872 for (Element ec : e.getEnclosedElements()) {
873 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
876 Model em = ec.getAnnotation(Model.class);
877 w.append(" case ").append(ec.getSimpleName()).append(": union = new ");
878 w.append(em.className()).append("(proto.getContext(), json); break;\n");
880 w.append(" default: throw new IllegalStateException(ret[0].toString());\n");
882 for (int i = 0, cnt = 1, prop = 0; i < propsGetSet.size(); i++) {
883 final String pn = propsGetSet.get(i).name;
884 Prprt p = findPrprt(props, pn);
888 boolean[] isModel = { false };
889 boolean[] isEnum = { false };
890 boolean isPrimitive[] = { false };
891 String type = checkType(props[prop++], isModel, isEnum, isPrimitive);
893 w.append(" if (ret[" + cnt + "] instanceof Object[]) {\n");
894 w.append(" for (Object e : ((Object[])ret[" + cnt + "])) {\n");
896 w.append(" this.prop_").append(pn).append(".add(proto.read");
897 w.append("(" + type + ".class, e));\n");
898 } else if (isEnum[0]) {
899 w.append(" this.prop_").append(pn);
900 w.append(".add(e == null ? null : ");
901 w.append(type).append(".valueOf(TYPE.stringValue(e)));\n");
903 if (isPrimitive(type)) {
904 w.append(" this.prop_").append(pn).append(".add(TYPE.numberValue(e).");
905 w.append(type).append("Value());\n");
907 w.append(" this.prop_").append(pn).append(".add((");
908 w.append(type).append(")e);\n");
915 w.append(" try {\n");
916 w.append(" this.prop_").append(pn);
917 w.append(" = ret[" + cnt + "] == null ? null : ");
918 w.append(type).append(".valueOf(TYPE.stringValue(ret[" + cnt + "]));\n");
919 w.append(" } catch (IllegalArgumentException ex) {\n");
920 w.append(" ex.printStackTrace();\n");
922 } else if (isPrimitive(type)) {
923 w.append(" this.prop_").append(pn);
924 w.append(" = ret[" + cnt + "] == null ? ");
925 if ("char".equals(type)) {
926 w.append("0 : (TYPE.charValue(");
927 } else if ("boolean".equals(type)) {
928 w.append("false : (TYPE.boolValue(");
930 w.append("0 : (TYPE.numberValue(");
932 w.append("ret[" + cnt + "])).");
933 w.append(type).append("Value();\n");
934 } else if (isModel[0]) {
935 w.append(" this.prop_").append(pn).append(" = proto.read");
936 w.append("(" + type + ".class, ");
937 w.append("ret[" + cnt + "]);\n");
939 w.append(" this.prop_").append(pn);
940 w.append(" = (").append(type).append(')');
941 w.append("ret[" + cnt + "];\n");
946 w.append(" return union;\n" );
948 writeEnumToString(e, props, w);
949 writeEnumClone(e, className, props, w);
950 w.write(" /** Activates this model instance in the current {@link \n"
951 + "net.java.html.json.Models#bind(java.lang.Object, net.java.html.BrwsrCtx) browser context}. \n"
952 + "In case of using Knockout technology, this means to \n"
953 + "bind JSON like data in this model instance with Knockout tags in \n"
954 + "the surrounding HTML page.\n"
957 w.write(" public " + className + " applyBindings() {\n");
958 w.write(" proto.applyBindings();\n");
959 w.write(" return this;\n");
961 w.write(" public boolean equals(Object o) {\n");
962 w.write(" if (o == this) return true;\n");
963 w.write(" if (!(o instanceof " + className + ")) return false;\n");
964 w.write(" " + className + " p = (" + className + ")o;\n");
965 for (Prprt p : props) {
966 w.write(" if (!TYPE.isSame(prop_" + p.name() + ", p.prop_" + p.name() + ")) return false;\n");
968 w.write(" return true;\n");
970 w.write(" public int hashCode() {\n");
971 w.write(" int h = " + className + ".class.getName().hashCode();\n");
972 for (Prprt p : props) {
973 w.write(" h = TYPE.hashPlus(prop_" + p.name() + ", h);\n");
975 w.write(" return h;\n");
978 w.write(" public " + inPckName(e) + " get" + e.getSimpleName() + "() {\n");
979 for (Element ec : e.getEnclosedElements()) {
980 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
983 Model em = ec.getAnnotation(Model.class);
987 w.write(" if (union instanceof " + em.className()+ ") return " + inPckName(e) + "." + ec.getSimpleName() + ";\n");
989 w.write(" return null;\n");
991 ArrayList<PropInfo> sharedProps = new ArrayList<PropInfo>(propsGetSet);
992 final PropInfo switchProp = new PropInfo(e.getSimpleName().toString(), null, null, null, null);
993 if (sharedProps.contains(switchProp)) {
995 error("Duplicated property " + switchProp.name + " due to enum switch", e);
997 sharedProps.add(switchProp);
999 for (Element ec : e.getEnclosedElements()) {
1000 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
1003 Model em = ec.getAnnotation(Model.class);
1007 w.write(" public " + em.className() + " get" + em.className()+ "() {\n");
1008 w.write(" return union instanceof " + em.className()+ " ? (" + em.className() + ")union : null;\n");
1010 if (props.length > 0) {
1011 w.write(" public " + className + "(" + em.className() + " union) {\n");
1012 w.append(" this(net.java.html.BrwsrCtx.findDefault(").append(className).append(".class), union, null);\n");
1013 w.append(" ((" + em.className() + ")union).proto.onValueHasMutated(this.proto);\n");
1016 generateEnumConstantModel(w, ec, sharedProps);
1023 } catch (IOException ex) {
1024 error("Can't create " + className + ".java", e);
1030 private boolean generateEnumConstantModel(Writer w, Element ec, Collection<PropInfo> taken) throws IOException {
1031 Model m = ec.getAnnotation(Model.class);
1033 error("Each field in an enum needs to be annotated by @Model", ec);
1038 String className = m.className();
1040 StringWriter body = new StringWriter();
1041 StringBuilder onReceiveType = new StringBuilder();
1042 List<PropInfo> propsGetSet = new ArrayList<PropInfo>();
1043 List<String> functions = new ArrayList<String>();
1044 Map<String, Collection<String>> propsDeps = new HashMap<String, Collection<String>>();
1045 Map<String, Collection<String>> functionDeps = new HashMap<String, Collection<String>>();
1046 Prprt[] props = createProps(ec, m.properties());
1048 // if (!generateComputedProperties(body, props, e.getEnclosedElements(), propsGetSet, propsDeps)) {
1051 // if (!generateOnChange(e, propsDeps, props, className, functionDeps)) {
1054 if (!generateProperties(ec, body, className, props, propsGetSet, taken, propsDeps, functionDeps)) {
1057 // if (!generateFunctions(e, body, className, e.getEnclosedElements(), functions)) {
1060 // if (!generateReceive(e, body, className, e.getEnclosedElements(), onReceiveType)) {
1063 onReceiveType.append(" @Override public void onMessage(").append(className).append(" model, int index, int type, Object data) {\n");
1064 onReceiveType.append(" }\n");
1066 // if (!generateOperation(e, body, className, e.getEnclosedElements())) {
1069 w.write(" public static final ");
1070 generateClassBody(w, className, body, ec, props,
1071 functionDeps, propsDeps, propsGetSet, taken,
1072 functions, onReceiveType
1077 private boolean generateProperties(
1079 Writer w, String className, Prprt[] properties,
1080 Collection<PropInfo> props, Collection<PropInfo> taken,
1081 Map<String,Collection<String>> deps,
1082 Map<String,Collection<String>> functionDeps
1083 ) throws IOException {
1085 for (Prprt p : properties) {
1087 tn = typeName(where, p);
1088 String[] gs = toGetSet(p.name(), tn, p.array());
1092 w.write(" private final java.util.List<" + tn + "> prop_" + p.name() + ";\n");
1094 castTo = "java.util.List";
1095 w.write(" public java.util.List<" + tn + "> " + gs[0] + "() {\n");
1096 w.write(" proto.verifyUnlocked();\n");
1097 w.write(" return prop_" + p.name() + ";\n");
1101 w.write(" private " + tn + " prop_" + p.name() + ";\n");
1102 w.write(" public " + tn + " " + gs[0] + "() {\n");
1103 w.write(" proto.verifyUnlocked();\n");
1104 w.write(" return prop_" + p.name() + ";\n");
1106 w.write(" public void " + gs[1] + "(" + tn + " v) {\n");
1107 w.write(" proto.verifyUnlocked();\n");
1108 w.write(" if (TYPE.isSame(prop_" + p.name() + ", v)) return;\n");
1109 w.write(" prop_" + p.name() + " = v;\n");
1110 w.write(" proto.valueHasMutated(\"" + p.name() + "\");\n");
1111 Collection<String> dependants = deps.get(p.name());
1112 if (dependants != null) {
1113 for (String depProp : dependants) {
1114 w.write(" proto.valueHasMutated(\"" + depProp + "\");\n");
1117 dependants = functionDeps.get(p.name());
1118 if (dependants != null) {
1119 w.append(className).append(" model = ").append(className).append(".this;\n");
1120 for (String call : dependants) {
1121 w.append(" ").append(call);
1126 final PropInfo pi = new PropInfo(
1133 if (props.contains(pi) || (taken != null && taken.contains(pi))) {
1135 error("Duplicated property " + p.name(), where);
1143 private boolean generateComputedProperties(
1144 Writer w, Prprt[] fixedProps,
1145 Collection<? extends Element> arr, Collection<PropInfo> props,
1146 Map<String,Collection<String>> deps
1147 ) throws IOException {
1149 for (Element e : arr) {
1150 if (e.getKind() != ElementKind.METHOD) {
1153 if (e.getAnnotation(ComputedProperty.class) == null) {
1156 if (!e.getModifiers().contains(Modifier.STATIC)) {
1157 error("Method " + e.getSimpleName() + " has to be static when annotated by @ComputedProperty", e);
1161 ExecutableElement ee = (ExecutableElement)e;
1162 final TypeMirror rt = ee.getReturnType();
1163 final Types tu = processingEnv.getTypeUtils();
1164 TypeMirror ert = tu.erasure(rt);
1165 String tn = fqn(ert, ee);
1166 boolean array = false;
1167 final TypeMirror toCheck;
1168 if (tn.equals("java.util.List")) {
1170 toCheck = ((DeclaredType)rt).getTypeArguments().get(0);
1175 final String sn = ee.getSimpleName().toString();
1177 if (toCheck.getKind().isPrimitive()) {
1180 TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType();
1181 TypeMirror enumType = processingEnv.getElementUtils().getTypeElement("java.lang.Enum").asType();
1183 if (tu.isSubtype(toCheck, stringType)) {
1185 } else if (tu.isSubtype(tu.erasure(toCheck), tu.erasure(enumType))) {
1187 } else if (isModel(toCheck)) {
1191 error(sn + " cannot return " + toCheck, e);
1195 String[] gs = toGetSet(sn, tn, array);
1197 w.write(" public " + tn + " " + gs[0] + "() {\n");
1199 for (VariableElement pe : ee.getParameters()) {
1200 final String dn = pe.getSimpleName().toString();
1202 if (!verifyPropName(pe, dn, fixedProps)) {
1206 final String dt = fqn(pe.asType(), ee);
1207 String[] call = toGetSet(dn, dt, false);
1208 w.write(" " + dt + " arg" + (++arg) + " = ");
1209 w.write(call[0] + "();\n");
1211 Collection<String> depends = deps.get(dn);
1212 if (depends == null) {
1213 depends = new LinkedHashSet<String>();
1214 deps.put(dn, depends);
1218 w.write(" try {\n");
1219 w.write(" proto.acquireLock();\n");
1220 w.write(" return " + fqn(ee.getEnclosingElement().asType(), ee) + '.' + e.getSimpleName() + "(");
1222 for (int i = 1; i <= arg; i++) {
1228 w.write(" } finally {\n");
1229 w.write(" proto.releaseLock();\n");
1232 final PropInfo pi = new PropInfo(
1233 e.getSimpleName().toString(),
1239 if (props.contains(pi)) {
1241 error("Duplicated property " + e.getSimpleName(), e);
1250 private static String[] toGetSet(String name, String type, boolean array) {
1251 String n = Character.toUpperCase(name.charAt(0)) + name.substring(1);
1252 String bck2brwsrType = "L" + type.replace('.', '_') + "_2";
1253 if ("int".equals(type)) {
1254 bck2brwsrType = "I";
1256 if ("double".equals(type)) {
1257 bck2brwsrType = "D";
1259 String pref = "get";
1260 if ("boolean".equals(type)) {
1262 bck2brwsrType = "Z";
1264 final String nu = n.replace('.', '_');
1266 return new String[] {
1269 "get" + nu + "__Ljava_util_List_2",
1273 return new String[]{
1276 pref + nu + "__" + bck2brwsrType,
1277 "set" + nu + "__V" + bck2brwsrType
1281 private String typeName(Element where, Prprt p) {
1283 boolean[] isModel = { false };
1284 boolean[] isEnum = { false };
1285 boolean isPrimitive[] = { false };
1286 ret = checkType(p, isModel, isEnum, isPrimitive);
1288 String bt = findBoxedType(ret);
1296 private static String findBoxedType(String ret) {
1297 if (ret.equals("boolean")) {
1298 return Boolean.class.getName();
1300 if (ret.equals("byte")) {
1301 return Byte.class.getName();
1303 if (ret.equals("short")) {
1304 return Short.class.getName();
1306 if (ret.equals("char")) {
1307 return Character.class.getName();
1309 if (ret.equals("int")) {
1310 return Integer.class.getName();
1312 if (ret.equals("long")) {
1313 return Long.class.getName();
1315 if (ret.equals("float")) {
1316 return Float.class.getName();
1318 if (ret.equals("double")) {
1319 return Double.class.getName();
1324 private boolean verifyPropName(Element e, String propName, Prprt[] existingProps) {
1325 StringBuilder sb = new StringBuilder();
1327 for (Prprt Prprt : existingProps) {
1328 if (Prprt.name().equals(propName)) {
1333 sb.append(Prprt.name());
1338 propName + " is not one of known properties: " + sb
1344 private static String findPkgName(Element e) {
1346 if (e.getKind() == ElementKind.PACKAGE) {
1347 return ((PackageElement)e).getQualifiedName().toString();
1349 e = e.getEnclosingElement();
1353 private boolean generateFunctions(
1354 Element clazz, StringWriter body, String className,
1355 List<? extends Element> enclosedElements, List<String> functions
1357 for (Element m : enclosedElements) {
1358 if (m.getKind() != ElementKind.METHOD) {
1361 ExecutableElement e = (ExecutableElement)m;
1362 Function onF = e.getAnnotation(Function.class);
1366 if (!e.getModifiers().contains(Modifier.STATIC)) {
1367 error("@OnFunction method needs to be static", e);
1370 if (e.getModifiers().contains(Modifier.PRIVATE)) {
1371 error("@OnFunction method cannot be private", e);
1374 if (e.getReturnType().getKind() != TypeKind.VOID) {
1375 error("@OnFunction method should return void", e);
1378 String n = e.getSimpleName().toString();
1379 body.append(" private void ").append(n).append("(Object data, Object ev) {\n");
1380 body.append(" ").append(((TypeElement)clazz).getQualifiedName()).append(".").append(n).append("(");
1381 body.append(wrapParams(e, null, className, "ev", "data"));
1382 body.append(");\n");
1383 body.append(" }\n");
1386 functions.add(n + "__VLjava_lang_Object_2Ljava_lang_Object_2");
1391 private boolean generateOnChange(Element clazz, Map<String,Collection<String>> propDeps,
1392 Prprt[] properties, String className,
1393 Map<String, Collection<String>> functionDeps
1395 for (Element m : clazz.getEnclosedElements()) {
1396 if (m.getKind() != ElementKind.METHOD) {
1399 ExecutableElement e = (ExecutableElement) m;
1400 OnPropertyChange onPC = e.getAnnotation(OnPropertyChange.class);
1404 for (String pn : onPC.value()) {
1405 if (findPrprt(properties, pn) == null && findDerivedFrom(propDeps, pn).isEmpty()) {
1406 error("No property named '" + pn + "' in the model", clazz);
1410 if (!e.getModifiers().contains(Modifier.STATIC)) {
1411 error("@OnPropertyChange method needs to be static", e);
1414 if (e.getModifiers().contains(Modifier.PRIVATE)) {
1415 error("@OnPropertyChange method cannot be private", e);
1418 if (e.getReturnType().getKind() != TypeKind.VOID) {
1419 error("@OnPropertyChange method should return void", e);
1422 String n = e.getSimpleName().toString();
1425 for (String pn : onPC.value()) {
1426 StringBuilder call = new StringBuilder();
1427 call.append(" ").append(inPckName(clazz)).append(".").append(n).append("(");
1428 call.append(wrapPropName(e, className, "name", pn));
1429 call.append(");\n");
1431 Collection<String> change = functionDeps.get(pn);
1432 if (change == null) {
1433 change = new ArrayList<String>();
1434 functionDeps.put(pn, change);
1436 change.add(call.toString());
1437 for (String dpn : findDerivedFrom(propDeps, pn)) {
1438 change = functionDeps.get(dpn);
1439 if (change == null) {
1440 change = new ArrayList<String>();
1441 functionDeps.put(dpn, change);
1443 change.add(call.toString());
1450 private boolean generateOperation(Element clazz,
1451 StringWriter body, String className,
1452 List<? extends Element> enclosedElements
1454 for (Element m : enclosedElements) {
1455 if (m.getKind() != ElementKind.METHOD) {
1458 ExecutableElement e = (ExecutableElement)m;
1459 ModelOperation mO = e.getAnnotation(ModelOperation.class);
1463 if (!e.getModifiers().contains(Modifier.STATIC)) {
1464 error("@ModelOperation method needs to be static", e);
1467 if (e.getModifiers().contains(Modifier.PRIVATE)) {
1468 error("@ModelOperation method cannot be private", e);
1471 if (e.getReturnType().getKind() != TypeKind.VOID) {
1472 error("@ModelOperation method should return void", e);
1475 List<String> args = new ArrayList<String>();
1477 body.append(" public void ").append(m.getSimpleName()).append("(");
1479 boolean checkFirst = true;
1480 for (VariableElement ve : e.getParameters()) {
1481 final TypeMirror type = ve.asType();
1482 CharSequence simpleName;
1483 if (type.getKind() == TypeKind.DECLARED) {
1484 simpleName = ((DeclaredType)type).asElement().getSimpleName();
1486 simpleName = type.toString();
1488 if (simpleName.toString().equals(className)) {
1492 error("First parameter of @ModelOperation method must be " + className, m);
1495 args.add(ve.getSimpleName().toString());
1496 body.append(sep).append("final ");
1497 body.append(ve.asType().toString()).append(" ");
1498 body.append(ve.toString());
1502 body.append(") {\n");
1503 body.append(" proto.runInBrowser(new Runnable() { public void run() {\n");
1504 body.append(" ").append(clazz.getSimpleName()).append(".").append(m.getSimpleName()).append("(");
1505 body.append(className).append(".this");
1506 for (String s : args) {
1507 body.append(", ").append(s);
1509 body.append(");\n");
1510 body.append(" }});\n");
1511 body.append(" }\n");
1519 private boolean generateReceive(
1520 Element clazz, StringWriter body, String className,
1521 List<? extends Element> enclosedElements, StringBuilder inType
1523 inType.append(" @Override public void onMessage(").append(className).append(" model, int index, int type, Object data) {\n");
1524 inType.append(" switch (index) {\n");
1526 for (Element m : enclosedElements) {
1527 if (m.getKind() != ElementKind.METHOD) {
1530 ExecutableElement e = (ExecutableElement)m;
1531 OnReceive onR = e.getAnnotation(OnReceive.class);
1535 if (!e.getModifiers().contains(Modifier.STATIC)) {
1536 error("@OnReceive method needs to be static", e);
1539 if (e.getModifiers().contains(Modifier.PRIVATE)) {
1540 error("@OnReceive method cannot be private", e);
1543 if (e.getReturnType().getKind() != TypeKind.VOID) {
1544 error("@OnReceive method should return void", e);
1547 if (!onR.jsonp().isEmpty() && !"GET".equals(onR.method())) {
1548 error("JSONP works only with GET transport method", e);
1550 String dataMirror = findDataSpecified(e, onR);
1551 if ("PUT".equals(onR.method()) && dataMirror == null) {
1552 error("PUT method needs to specify a data() class", e);
1555 if ("POST".equals(onR.method()) && dataMirror == null) {
1556 error("POST method needs to specify a data() class", e);
1559 String modelClass = null;
1560 boolean expectsList = false;
1561 List<String> args = new ArrayList<String>();
1563 for (VariableElement ve : e.getParameters()) {
1564 TypeMirror modelType = null;
1565 final TypeMirror type = ve.asType();
1566 CharSequence simpleName;
1567 if (type.getKind() == TypeKind.DECLARED) {
1568 simpleName = ((DeclaredType)type).asElement().getSimpleName();
1570 simpleName = type.toString();
1572 if (simpleName.toString().equals(className)) {
1574 } else if (isModel(ve.asType())) {
1575 modelType = ve.asType();
1576 } else if (ve.asType().getKind() == TypeKind.ARRAY) {
1577 modelType = ((ArrayType)ve.asType()).getComponentType();
1579 } else if (ve.asType().toString().equals("java.lang.String")) {
1580 modelType = ve.asType();
1582 if (modelType != null) {
1583 if (modelClass != null) {
1584 error("There can be only one model class among arguments", e);
1586 modelClass = modelType.toString();
1596 if (modelClass == null) {
1597 error("The method needs to have one @Model class as parameter", e);
1599 String n = e.getSimpleName().toString();
1600 if ("WebSocket".equals(onR.method())) {
1601 body.append(" /** Performs WebSocket communication. Call with <code>null</code> data parameter\n");
1602 body.append(" * to open the connection (even if not required). Call with non-null data to\n");
1603 body.append(" * send messages to server. Call again with <code>null</code> data to close the socket.\n");
1604 body.append(" */\n");
1606 body.append(" public void ").append(n).append("(");
1607 StringBuilder urlBefore = new StringBuilder();
1608 StringBuilder urlAfter = new StringBuilder();
1609 String jsonpVarName = null;
1612 boolean skipJSONP = onR.jsonp().isEmpty();
1613 for (String p : findParamNames(e, onR.url(), onR.jsonp(), urlBefore, urlAfter)) {
1614 if (!skipJSONP && p.equals(onR.jsonp())) {
1620 body.append("String ").append(p);
1625 "Name of jsonp attribute ('" + onR.jsonp() +
1626 "') is not used in url attribute '" + onR.url() + "'", e
1629 if (dataMirror != null) {
1630 body.append(sep).append(dataMirror.toString()).append(" data");
1633 body.append(") {\n");
1634 boolean webSocket = onR.method().equals("WebSocket");
1636 if (generateWSReceiveBody(index++, body, inType, onR, e, clazz, className, expectsList, modelClass, n, args, urlBefore, jsonpVarName, urlAfter, dataMirror)) {
1639 body.append(" }\n");
1640 body.append(" private Object ws_" + e.getSimpleName() + ";\n");
1642 if (generateJSONReceiveBody(index++, body, inType, onR, e, clazz, className, expectsList, modelClass, n, args, urlBefore, jsonpVarName, urlAfter, dataMirror)) {
1645 body.append(" }\n");
1648 inType.append(" }\n");
1649 inType.append(" throw new UnsupportedOperationException(\"index: \" + index + \" type: \" + type);\n");
1650 inType.append(" }\n");
1654 private boolean generateJSONReceiveBody(int index, StringWriter method, StringBuilder body, OnReceive onR, ExecutableElement e, Element clazz, String className, boolean expectsList, String modelClass, String n, List<String> args, StringBuilder urlBefore, String jsonpVarName, StringBuilder urlAfter, String dataMirror) {
1656 " case " + index + ": {\n" +
1657 " if (type == 2) { /* on error */\n" +
1658 " Exception ex = (Exception)data;\n"
1660 if (onR.onError().isEmpty()) {
1662 " ex.printStackTrace();\n"
1665 if (!findOnError(e, ((TypeElement)clazz), onR.onError(), className)) {
1668 body.append(" ").append(clazz.getSimpleName()).append(".").append(onR.onError()).append("(");
1669 body.append("model, ex);\n");
1673 " } else if (type == 1) {\n" +
1674 " Object[] ev = (Object[])data;\n"
1678 " " + modelClass + "[] arr = new " + modelClass + "[ev.length];\n"
1682 " " + modelClass + "[] arr = { null };\n"
1686 " TYPE.copyJSON(model.proto.getContext(), ev, " + modelClass + ".class, arr);\n"
1689 body.append(" ").append(clazz.getSimpleName()).append(".").append(n).append("(");
1691 for (String arg : args) {
1696 body.append(");\n");
1703 method.append(" proto.loadJSON(" + index + ",\n ");
1704 method.append(urlBefore).append(", ");
1705 if (jsonpVarName != null) {
1706 method.append(urlAfter);
1708 method.append("null");
1710 if (!"GET".equals(onR.method()) || dataMirror != null) {
1711 method.append(", \"").append(onR.method()).append('"');
1712 if (dataMirror != null) {
1713 method.append(", data");
1715 method.append(", null");
1718 method.append(", null, null");
1720 method.append(");\n");
1724 private boolean generateWSReceiveBody(int index, StringWriter method, StringBuilder body, OnReceive onR, ExecutableElement e, Element clazz, String className, boolean expectsList, String modelClass, String n, List<String> args, StringBuilder urlBefore, String jsonpVarName, StringBuilder urlAfter, String dataMirror) {
1726 " case " + index + ": {\n" +
1727 " if (type == 0) { /* on open */\n" +
1728 " ").append(clazz.getSimpleName()).append(".").append(n).append("(");
1731 for (String arg : args) {
1733 if (arg.startsWith("arr")) {
1734 body.append("null");
1741 body.append(");\n");
1744 " } else if (type == 2) { /* on error */\n" +
1745 " Exception value = (Exception)data;\n"
1747 if (onR.onError().isEmpty()) {
1749 " value.printStackTrace();\n"
1752 if (!findOnError(e, ((TypeElement)clazz), onR.onError(), className)) {
1755 body.append(" ").append(clazz.getSimpleName()).append(".").append(onR.onError()).append("(");
1756 body.append("model, value);\n");
1760 " } else if (type == 1) {\n" +
1761 " Object[] ev = (Object[])data;\n"
1765 " " + modelClass + "[] arr = new " + modelClass + "[ev.length];\n"
1769 " " + modelClass + "[] arr = { null };\n"
1773 " TYPE.copyJSON(model.proto.getContext(), ev, " + modelClass + ".class, arr);\n"
1776 body.append(" ").append(clazz.getSimpleName()).append(".").append(n).append("(");
1778 for (String arg : args) {
1783 body.append(");\n");
1789 if (!onR.onError().isEmpty()) {
1790 body.append(" else if (type == 3) { /* on close */\n");
1791 body.append(" ").append(clazz.getSimpleName()).append(".").append(onR.onError()).append("(");
1792 body.append("model, null);\n");
1799 body.append(" }\n");
1800 method.append(" if (this.ws_").append(e.getSimpleName()).append(" == null) {\n");
1801 method.append(" this.ws_").append(e.getSimpleName());
1802 method.append("= proto.wsOpen(" + index + ", ");
1803 method.append(urlBefore).append(", data);\n");
1804 method.append(" } else {\n");
1805 method.append(" proto.wsSend(this.ws_").append(e.getSimpleName()).append(", ").append(urlBefore).append(", data);\n");
1806 method.append(" }\n");
1810 private CharSequence wrapParams(
1811 ExecutableElement ee, String id, String className, String evName, String dataName
1813 TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType();
1814 StringBuilder params = new StringBuilder();
1815 boolean first = true;
1816 for (VariableElement ve : ee.getParameters()) {
1818 params.append(", ");
1821 String toCall = null;
1822 String toFinish = null;
1823 boolean addNull = true;
1824 if (ve.asType() == stringType) {
1825 if (ve.getSimpleName().contentEquals("id")) {
1826 params.append('"').append(id).append('"');
1829 toCall = "proto.toString(";
1831 if (ve.asType().getKind() == TypeKind.DOUBLE) {
1832 toCall = "proto.toNumber(";
1833 toFinish = ".doubleValue()";
1835 if (ve.asType().getKind() == TypeKind.INT) {
1836 toCall = "proto.toNumber(";
1837 toFinish = ".intValue()";
1839 if (dataName != null && ve.getSimpleName().contentEquals(dataName) && isModel(ve.asType())) {
1840 toCall = "proto.toModel(" + ve.asType() + ".class, ";
1844 if (toCall != null) {
1845 params.append(toCall);
1846 if (dataName != null && ve.getSimpleName().contentEquals(dataName)) {
1847 params.append(dataName);
1849 params.append(", null");
1852 if (evName == null) {
1853 final StringBuilder sb = new StringBuilder();
1854 sb.append("Unexpected string parameter name.");
1855 if (dataName != null) {
1856 sb.append(" Try \"").append(dataName).append("\"");
1858 error(sb.toString(), ee);
1860 params.append(evName);
1861 params.append(", \"");
1862 params.append(ve.getSimpleName().toString());
1863 params.append("\"");
1866 if (toFinish != null) {
1867 params.append(toFinish);
1871 String rn = fqn(ve.asType(), ee);
1872 int last = rn.lastIndexOf('.');
1874 rn = rn.substring(last + 1);
1876 if (rn.equals(className)) {
1877 params.append(className).append(".this");
1881 "The annotated method can only accept " + className + " argument or argument named 'data'",
1889 private CharSequence wrapPropName(
1890 ExecutableElement ee, String className, String propName, String propValue
1892 TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType();
1893 StringBuilder params = new StringBuilder();
1894 boolean first = true;
1895 for (VariableElement ve : ee.getParameters()) {
1897 params.append(", ");
1900 if (ve.asType() == stringType) {
1901 if (propName != null && ve.getSimpleName().contentEquals(propName)) {
1902 params.append('"').append(propValue).append('"');
1904 error("Unexpected string parameter name. Try \"" + propName + "\".", ee);
1908 String rn = fqn(ve.asType(), ee);
1909 int last = rn.lastIndexOf('.');
1911 rn = rn.substring(last + 1);
1913 if (rn.equals(className)) {
1914 params.append("model");
1918 "@OnPrprtChange method can only accept String or " + className + " arguments",
1924 private boolean isModel(TypeMirror tm) {
1925 if (tm.getKind() == TypeKind.ERROR) {
1928 final Element e = processingEnv.getTypeUtils().asElement(tm);
1932 for (Element ch : e.getEnclosedElements()) {
1933 if (ch.getKind() == ElementKind.METHOD) {
1934 ExecutableElement ee = (ExecutableElement)ch;
1935 if (ee.getParameters().isEmpty() && ee.getSimpleName().contentEquals("modelFor")) {
1940 return models.values().contains(e.getSimpleName().toString());
1943 private void writeEnumToString(Element e, Prprt[] props, Writer w) throws IOException {
1944 w.write(" public String toString() {\n");
1945 w.write(" StringBuilder sb = new StringBuilder();\n");
1946 w.write(" sb.append(union);\n");
1947 w.write(" if (sb.length() > 1) {\n");
1948 w.write(" sb.setCharAt(sb.length() - 1, ',');\n");
1949 w.write(" } else {\n");
1950 w.write(" sb.setLength(1);\n");
1952 w.append(" sb.append(\"\\\"").append(e.getSimpleName()).append("\\\":\\\"\").append(get");
1953 w.append(e.getSimpleName()).append("()).append(\"\\\"\");\n");
1954 for (Prprt p : props) {
1955 w.write(" sb.append(',');\n");
1956 w.append(" sb.append('\"').append(\"" + p.name() + "\")");
1957 w.append(".append('\"').append(\":\");\n");
1958 w.append(" sb.append(TYPE.toJSON(prop_");
1959 w.append(p.name()).append("));\n");
1961 w.write(" sb.append('}');\n");
1962 w.write(" return sb.toString();\n");
1965 private void writeToString(Prprt[] props, Writer w) throws IOException {
1966 w.write(" public String toString() {\n");
1967 w.write(" StringBuilder sb = new StringBuilder();\n");
1968 w.write(" sb.append('{');\n");
1970 for (Prprt p : props) {
1972 w.append(" sb.append('\"').append(\"" + p.name() + "\")");
1973 w.append(".append('\"').append(\":\");\n");
1974 w.append(" sb.append(TYPE.toJSON(prop_");
1975 w.append(p.name()).append("));\n");
1976 sep = " sb.append(',');\n";
1978 w.write(" sb.append('}');\n");
1979 w.write(" return sb.toString();\n");
1982 private void writeClone(String className, Prprt[] props, Writer w) throws IOException {
1983 w.write(" public " + className + " clone() {\n");
1984 w.write(" return clone(proto.getContext());\n");
1986 w.write(" private " + className + " clone(net.java.html.BrwsrCtx ctx) {\n");
1987 w.write(" " + className + " ret = new " + className + "(ctx, null);\n");
1988 for (Prprt p : props) {
1990 boolean isModel[] = { false };
1991 boolean isEnum[] = { false };
1992 boolean isPrimitive[] = { false };
1993 checkType(p, isModel, isEnum, isPrimitive);
1995 w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + ";\n");
1998 w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + " == null ? null : prop_" + p.name() + ".clone();\n");
2000 w.write(" proto.cloneList(ret.prop_" + p.name() + ", ctx, prop_" + p.name() + ");\n");
2004 w.write(" return ret;\n");
2007 private void writeEnumClone(Element e, String className, Prprt[] props, Writer w) throws IOException {
2008 w.write(" public " + className + " clone() {\n");
2009 w.write(" return clone(proto.getContext());\n");
2011 w.write(" private " + className + " clone(net.java.html.BrwsrCtx ctx) {\n");
2012 w.write(" Object newUnion = null;\n");
2013 w.write(" org.apidesign.html.json.spi.Proto newProto = null;\n");
2014 for (Element ec : e.getEnclosedElements()) {
2015 if (ec.getKind() != ElementKind.ENUM_CONSTANT) {
2018 Model em = ec.getAnnotation(Model.class);
2022 w.write(" if (union instanceof " + em.className() + ") {\n");
2023 w.write(" newUnion = ((" + em.className() + ")union).clone(ctx);\n");
2024 w.write(" newProto = ((" + em.className() + ")newUnion).proto;\n");
2027 w.write(" " + className + " ret = new " + className + "(ctx, newUnion);\n");
2028 w.write(" newProto.onValueHasMutated(ret.proto);\n");
2029 for (Prprt p : props) {
2031 boolean isModel[] = { false };
2032 boolean isEnum[] = { false };
2033 boolean isPrimitive[] = { false };
2034 checkType(p, isModel, isEnum, isPrimitive);
2036 w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + ";\n");
2039 w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + " == null ? null : prop_" + p.name() + ".clone();\n");
2041 w.write(" proto.cloneList(ret.prop_" + p.name() + ", ctx, prop_" + p.name() + ");\n");
2045 w.write(" return ret;\n");
2049 private String inPckName(Element e) {
2050 while (!(e instanceof TypeElement)) {
2051 e = e.getEnclosingElement();
2054 StringBuilder sb = new StringBuilder();
2055 while (e.getKind() != ElementKind.PACKAGE) {
2056 if (sb.length() == 0) {
2057 sb.append(e.getSimpleName());
2060 sb.insert(0, e.getSimpleName());
2062 e = e.getEnclosingElement();
2064 return sb.toString();
2067 private String fqn(TypeMirror pt, Element relative) {
2068 if (pt.getKind() == TypeKind.ERROR) {
2069 final Elements eu = processingEnv.getElementUtils();
2070 PackageElement pckg = eu.getPackageOf(relative);
2071 return pckg.getQualifiedName() + "." + pt.toString();
2073 return pt.toString();
2076 private String checkType(Prprt p, boolean[] isModel, boolean[] isEnum, boolean[] isPrimitive) {
2079 String ret = p.typeName(processingEnv);
2080 TypeElement e = processingEnv.getElementUtils().getTypeElement(ret);
2084 isPrimitive[0] = false;
2088 } catch (MirroredTypeException ex) {
2089 tm = ex.getTypeMirror();
2091 tm = processingEnv.getTypeUtils().erasure(tm);
2092 if (isPrimitive[0] = tm.getKind().isPrimitive()) {
2095 return tm.toString();
2097 final Element e = processingEnv.getTypeUtils().asElement(tm);
2098 if (isEnum[0] = e.getKind() == ElementKind.ENUM) {
2099 return ((TypeElement)e).getQualifiedName().toString();
2101 if (e.getKind() == ElementKind.CLASS && tm.getKind() == TypeKind.ERROR) {
2104 return e.getSimpleName().toString();
2107 final Model m = e == null ? null : e.getAnnotation(Model.class);
2110 ret = findPkgName(e) + '.' + m.className();
2112 models.put(e, m.className());
2113 } else if (findModelForMthd(e)) {
2114 ret = ((TypeElement)e).getQualifiedName().toString();
2117 ret = tm.toString();
2122 private static boolean findModelForMthd(Element clazz) {
2123 if (clazz == null) {
2126 for (Element e : clazz.getEnclosedElements()) {
2127 if (e.getKind() == ElementKind.METHOD) {
2128 ExecutableElement ee = (ExecutableElement)e;
2130 ee.getSimpleName().contentEquals("modelFor") &&
2131 ee.getParameters().isEmpty()
2140 private Iterable<String> findParamNames(
2141 Element e, String url, String jsonParam, StringBuilder... both
2143 List<String> params = new ArrayList<String>();
2146 for (int pos = 0; ;) {
2147 int next = url.indexOf('{', pos);
2149 both[wasJSON].append('"')
2150 .append(url.substring(pos))
2154 int close = url.indexOf('}', next);
2156 error("Unbalanced '{' and '}' in " + url, e);
2159 final String paramName = url.substring(next + 1, close);
2160 params.add(paramName);
2161 if (paramName.equals(jsonParam) && !jsonParam.isEmpty()) {
2162 both[wasJSON].append('"')
2163 .append(url.substring(pos, next))
2167 both[wasJSON].append('"')
2168 .append(url.substring(pos, next))
2169 .append("\" + ").append(paramName).append(" + ");
2175 private static Prprt findPrprt(Prprt[] properties, String propName) {
2176 for (Prprt p : properties) {
2177 if (propName.equals(p.name())) {
2184 private boolean isPrimitive(String type) {
2186 "int".equals(type) ||
2187 "double".equals(type) ||
2188 "long".equals(type) ||
2189 "short".equals(type) ||
2190 "byte".equals(type) ||
2191 "char".equals(type) ||
2192 "boolean".equals(type) ||
2193 "float".equals(type);
2196 private static Collection<String> findDerivedFrom(Map<String, Collection<String>> propsDeps, String derivedProp) {
2197 Set<String> names = new HashSet<String>();
2198 for (Map.Entry<String, Collection<String>> e : propsDeps.entrySet()) {
2199 if (e.getValue().contains(derivedProp)) {
2200 names.add(e.getKey());
2206 private Prprt[] createProps(Element e, Property[] arr) {
2207 Prprt[] ret = Prprt.wrap(processingEnv, e, arr);
2208 Prprt[] prev = verify.put(e, ret);
2210 error("Two sets of properties for ", e);
2215 private static String strip(String s) {
2216 int indx = s.indexOf("__");
2218 return s.substring(0, indx);
2224 private String findDataSpecified(ExecutableElement e, OnReceive onR) {
2226 return onR.data().getName();
2227 } catch (MirroredTypeException ex) {
2228 final TypeMirror tm = ex.getTypeMirror();
2230 final Element te = processingEnv.getTypeUtils().asElement(tm);
2231 if (te.getKind() == ElementKind.CLASS && tm.getKind() == TypeKind.ERROR) {
2232 name = te.getSimpleName().toString();
2234 name = tm.toString();
2236 return "java.lang.Object".equals(name) ? null : name;
2237 } catch (Exception ex) {
2241 AnnotationMirror found = null;
2242 for (AnnotationMirror am : e.getAnnotationMirrors()) {
2243 if (am.getAnnotationType().toString().equals(OnReceive.class.getName())) {
2247 if (found == null) {
2251 for (Map.Entry<? extends ExecutableElement, ? extends AnnotationValue> entry : found.getElementValues().entrySet()) {
2252 ExecutableElement ee = entry.getKey();
2253 AnnotationValue av = entry.getValue();
2254 if (ee.getSimpleName().contentEquals("data")) {
2255 List<? extends Object> values = getAnnoValues(processingEnv, e, found);
2256 for (Object v : values) {
2257 String sv = v.toString();
2258 if (sv.startsWith("data = ") && sv.endsWith(".class")) {
2259 return sv.substring(7, sv.length() - 6);
2268 static List<? extends Object> getAnnoValues(ProcessingEnvironment pe, Element e, AnnotationMirror am) {
2270 Class<?> trees = Class.forName("com.sun.tools.javac.api.JavacTrees");
2271 Method m = trees.getMethod("instance", ProcessingEnvironment.class);
2272 Object instance = m.invoke(null, pe);
2273 m = instance.getClass().getMethod("getPath", Element.class, AnnotationMirror.class);
2274 Object path = m.invoke(instance, e, am);
2275 m = path.getClass().getMethod("getLeaf");
2276 Object leaf = m.invoke(path);
2277 m = leaf.getClass().getMethod("getArguments");
2278 return (List) m.invoke(leaf);
2279 } catch (Exception ex) {
2280 return Collections.emptyList();
2284 private static class Prprt {
2285 private final Element e;
2286 private final AnnotationMirror tm;
2287 private final Property p;
2289 public Prprt(Element e, AnnotationMirror tm, Property p) {
2303 String typeName(ProcessingEnvironment env) {
2304 RuntimeException ex;
2306 return p.type().getName();
2307 } catch (IncompleteAnnotationException e) {
2309 } catch (AnnotationTypeMismatchException e) {
2312 for (Object v : getAnnoValues(env, e, tm)) {
2313 String s = v.toString().replace(" ", "");
2314 if (s.startsWith("type=") && s.endsWith(".class")) {
2315 return s.substring(5, s.length() - 6);
2322 static Prprt[] wrap(ProcessingEnvironment pe, Element e, Property[] arr) {
2323 if (arr.length == 0) {
2324 return new Prprt[0];
2327 List<? extends AnnotationValue> val = null;
2328 for (AnnotationMirror an : e.getAnnotationMirrors()) {
2329 for (Map.Entry<? extends ExecutableElement, ? extends AnnotationValue> entry : an.getElementValues().entrySet()) {
2330 if (entry.getKey().getSimpleName().contentEquals("properties")) {
2331 val = (List)entry.getValue().getValue();
2336 if (val == null || val.size() != arr.length) {
2337 pe.getMessager().printMessage(Diagnostic.Kind.ERROR, "" + val, e);
2338 return new Prprt[0];
2340 Prprt[] ret = new Prprt[arr.length];
2341 BIG: for (int i = 0; i < ret.length; i++) {
2342 AnnotationMirror am = (AnnotationMirror)val.get(i).getValue();
2343 ret[i] = new Prprt(e, am, arr[i]);
2351 public Iterable<? extends Completion> getCompletions(Element element, AnnotationMirror annotation, ExecutableElement member, String userText) {
2352 final Level l = Level.FINE;
2353 LOG.log(l, " element: {0}", element);
2354 LOG.log(l, " annotation: {0}", annotation);
2355 LOG.log(l, " member: {0}", member);
2356 LOG.log(l, " userText: {0}", userText);
2357 LOG.log(l, "str: {0}", annotation.getAnnotationType().toString());
2358 if (annotation.getAnnotationType().toString().equals(OnReceive.class.getName())) {
2359 if (member.getSimpleName().contentEquals("method")) {
2360 return Arrays.asList(
2366 methodOf("WebSocket")
2371 return super.getCompletions(element, annotation, member, userText);
2374 private static final Completion methodOf(String method) {
2375 ResourceBundle rb = ResourceBundle.getBundle("org.netbeans.html.json.impl.Bundle");
2376 return Completions.of('"' + method + '"', rb.getString("MSG_Completion_" + method));
2379 private boolean findOnError(ExecutableElement errElem, TypeElement te, String name, String className) {
2382 for (Element e : te.getEnclosedElements()) {
2383 if (e.getKind() != ElementKind.METHOD) {
2386 if (!e.getSimpleName().contentEquals(name)) {
2389 if (!e.getModifiers().contains(Modifier.STATIC)) {
2390 errElem = (ExecutableElement) e;
2391 err = "Would have to be static";
2394 ExecutableElement ee = (ExecutableElement) e;
2395 TypeMirror excType = processingEnv.getElementUtils().getTypeElement(Exception.class.getName()).asType();
2396 final List<? extends VariableElement> params = ee.getParameters();
2397 boolean error = false;
2398 if (params.size() != 2) {
2401 String firstType = params.get(0).asType().toString();
2402 int lastDot = firstType.lastIndexOf('.');
2403 if (lastDot != -1) {
2404 firstType = firstType.substring(lastDot + 1);
2406 if (!firstType.equals(className)) {
2409 if (!processingEnv.getTypeUtils().isAssignable(excType, params.get(1).asType())) {
2414 errElem = (ExecutableElement) e;
2415 err = "Error method first argument needs to be " + className + " and second Exception";
2421 err = "Cannot find " + name + "(" + className + ", Exception) method in this class";
2423 error(err, errElem);
2427 private static final class PropInfo {
2433 final List<Model> models;
2436 String p1, String p2, Object p3, String p4, String p5
2440 this.set = p3 == null ? null : p3.toString();
2443 models = new ArrayList<Model>();
2447 public int hashCode() {
2449 hash = 19 * hash + (this.name != null ? this.name.hashCode() : 0);
2454 public boolean equals(Object obj) {
2458 if (getClass() != obj.getClass()) {
2461 final PropInfo other = (PropInfo) obj;
2462 if ((this.name == null) ? (other.name != null) : !this.name.equals(other.name)) {
2468 private void addModel(Model em) {
2471 } // end of PropInfo