diff -r c285a78302af -r df08556c5c7c javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java --- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java Mon Mar 18 17:17:00 2013 +0100 +++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java Thu Apr 11 20:44:46 2013 +0200 @@ -20,23 +20,29 @@ import java.io.IOException; import java.io.InputStream; import java.io.OutputStreamWriter; +import java.io.StringWriter; import java.io.Writer; +import java.lang.annotation.AnnotationTypeMismatchException; +import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.HashMap; +import java.util.HashSet; import java.util.LinkedHashSet; import java.util.List; -import java.util.Locale; import java.util.Map; import java.util.Set; +import java.util.WeakHashMap; import javax.annotation.processing.AbstractProcessor; import javax.annotation.processing.Completion; import javax.annotation.processing.Completions; +import javax.annotation.processing.ProcessingEnvironment; import javax.annotation.processing.Processor; import javax.annotation.processing.RoundEnvironment; import javax.annotation.processing.SupportedAnnotationTypes; import javax.lang.model.element.AnnotationMirror; +import javax.lang.model.element.AnnotationValue; import javax.lang.model.element.Element; import javax.lang.model.element.ElementKind; import javax.lang.model.element.ExecutableElement; @@ -44,14 +50,21 @@ import javax.lang.model.element.PackageElement; import javax.lang.model.element.TypeElement; import javax.lang.model.element.VariableElement; +import javax.lang.model.type.ArrayType; import javax.lang.model.type.MirroredTypeException; import javax.lang.model.type.TypeKind; import javax.lang.model.type.TypeMirror; +import javax.lang.model.util.Elements; +import javax.lang.model.util.Types; import javax.tools.Diagnostic; import javax.tools.FileObject; import javax.tools.StandardLocation; import org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty; +import org.apidesign.bck2brwsr.htmlpage.api.Model; import org.apidesign.bck2brwsr.htmlpage.api.On; +import org.apidesign.bck2brwsr.htmlpage.api.OnFunction; +import org.apidesign.bck2brwsr.htmlpage.api.OnPropertyChange; +import org.apidesign.bck2brwsr.htmlpage.api.OnReceive; import org.apidesign.bck2brwsr.htmlpage.api.Page; import org.apidesign.bck2brwsr.htmlpage.api.Property; import org.openide.util.lookup.ServiceProvider; @@ -63,89 +76,70 @@ */ @ServiceProvider(service=Processor.class) @SupportedAnnotationTypes({ + "org.apidesign.bck2brwsr.htmlpage.api.Model", "org.apidesign.bck2brwsr.htmlpage.api.Page", + "org.apidesign.bck2brwsr.htmlpage.api.OnFunction", + "org.apidesign.bck2brwsr.htmlpage.api.OnReceive", + "org.apidesign.bck2brwsr.htmlpage.api.OnPropertyChange", + "org.apidesign.bck2brwsr.htmlpage.api.ComputedProperty", "org.apidesign.bck2brwsr.htmlpage.api.On" }) public final class PageProcessor extends AbstractProcessor { + private final Map models = new WeakHashMap<>(); + private final Map verify = new WeakHashMap<>(); @Override public boolean process(Set annotations, RoundEnvironment roundEnv) { - for (Element e : roundEnv.getElementsAnnotatedWith(Page.class)) { - Page p = e.getAnnotation(Page.class); - if (p == null) { - continue; - } - PackageElement pe = (PackageElement)e.getEnclosingElement(); - String pkg = pe.getQualifiedName().toString(); - - ProcessPage pp; - try { - InputStream is = openStream(pkg, p.xhtml()); - pp = ProcessPage.readPage(is); - is.close(); - } catch (IOException iOException) { - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "Can't read " + p.xhtml(), e); - return false; - } - Writer w; - String className = p.className(); - if (className.isEmpty()) { - int indx = p.xhtml().indexOf('.'); - className = p.xhtml().substring(0, indx); - } - try { - FileObject java = processingEnv.getFiler().createSourceFile(pkg + '.' + className, e); - w = new OutputStreamWriter(java.openOutputStream()); - try { - w.append("package " + pkg + ";\n"); - w.append("import org.apidesign.bck2brwsr.htmlpage.api.*;\n"); - w.append("public final class ").append(className).append(" {\n"); - w.append(" private boolean locked;\n"); - if (!initializeOnClick(className, (TypeElement) e, w, pp)) { - return false; - } - for (String id : pp.ids()) { - String tag = pp.tagNameForId(id); - String type = type(tag); - w.append(" ").append("public final "). - append(type).append(' ').append(cnstnt(id)).append(" = new "). - append(type).append("(\"").append(id).append("\");\n"); - } - List propsGetSet = new ArrayList(); - Map> propsDeps = new HashMap>(); - generateComputedProperties(w, e.getEnclosedElements(), propsGetSet, propsDeps); - generateProperties(w, p.properties(), propsGetSet, propsDeps); - w.append(" private org.apidesign.bck2brwsr.htmlpage.Knockout ko;\n"); - if (!propsGetSet.isEmpty()) { - w.write("public " + className + " applyBindings() {\n"); - w.write(" ko = org.apidesign.bck2brwsr.htmlpage.Knockout.applyBindings("); - w.write(className + ".class, this, "); - w.write("new String[] {\n"); - String sep = ""; - for (String n : propsGetSet) { - w.write(sep); - if (n == null) { - w.write(" null"); - } else { - w.write(" \"" + n + "\""); - } - sep = ",\n"; - } - w.write("\n });\n return this;\n}\n"); - - w.write("public void triggerEvent(Element e, OnEvent ev) {\n"); - w.write(" org.apidesign.bck2brwsr.htmlpage.Knockout.triggerEvent(e.getId(), ev.getElementPropertyName());\n"); - w.write("}\n"); - } - w.append("}\n"); - } finally { - w.close(); - } - } catch (IOException ex) { - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "Can't create " + className + ".java", e); - return false; + boolean ok = true; + for (Element e : roundEnv.getElementsAnnotatedWith(Model.class)) { + if (!processModel(e)) { + ok = false; } } - return true; + for (Element e : roundEnv.getElementsAnnotatedWith(Page.class)) { + if (!processPage(e)) { + ok = false; + } + } + if (roundEnv.processingOver()) { + models.clear(); + for (Map.Entry entry : verify.entrySet()) { + TypeElement te = (TypeElement)entry.getKey(); + String fqn = processingEnv.getElementUtils().getBinaryName(te).toString(); + Element finalElem = processingEnv.getElementUtils().getTypeElement(fqn); + if (finalElem == null) { + continue; + } + Prprt[] props; + Model m = finalElem.getAnnotation(Model.class); + if (m != null) { + props = Prprt.wrap(processingEnv, finalElem, m.properties()); + } else { + Page p = finalElem.getAnnotation(Page.class); + props = Prprt.wrap(processingEnv, finalElem, p.properties()); + } + for (Prprt p : props) { + boolean[] isModel = { false }; + boolean[] isEnum = { false }; + boolean[] isPrimitive = { false }; + String t = checkType(p, isModel, isEnum, isPrimitive); + if (isEnum[0]) { + continue; + } + if (isPrimitive[0]) { + continue; + } + if (isModel[0]) { + continue; + } + if ("java.lang.String".equals(t)) { + continue; + } + error("The type " + t + " should be defined by @Model annotation", entry.getKey()); + } + } + verify.clear(); + } + return ok; } private InputStream openStream(String pkg, String name) throws IOException { @@ -158,6 +152,236 @@ } } + private void error(String msg, Element e) { + processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, msg, e); + } + + private boolean processModel(Element e) { + boolean ok = true; + Model m = e.getAnnotation(Model.class); + if (m == null) { + return true; + } + String pkg = findPkgName(e); + Writer w; + String className = m.className(); + models.put(e, className); + try { + StringWriter body = new StringWriter(); + List propsGetSet = new ArrayList<>(); + List functions = new ArrayList<>(); + Map> propsDeps = new HashMap<>(); + Map> functionDeps = new HashMap<>(); + Prprt[] props = createProps(e, m.properties()); + + if (!generateComputedProperties(body, props, e.getEnclosedElements(), propsGetSet, propsDeps)) { + ok = false; + } + if (!generateOnChange(e, propsDeps, props, className, functionDeps)) { + ok = false; + } + if (!generateProperties(e, body, props, propsGetSet, propsDeps, functionDeps)) { + ok = false; + } + if (!generateFunctions(e, body, className, e.getEnclosedElements(), functions)) { + ok = false; + } + FileObject java = processingEnv.getFiler().createSourceFile(pkg + '.' + className, e); + w = new OutputStreamWriter(java.openOutputStream()); + try { + w.append("package " + pkg + ";\n"); + w.append("import org.apidesign.bck2brwsr.htmlpage.api.*;\n"); + w.append("import org.apidesign.bck2brwsr.htmlpage.KOList;\n"); + w.append("import org.apidesign.bck2brwsr.core.JavaScriptOnly;\n"); + w.append("final class ").append(className).append(" implements Cloneable {\n"); + w.append(" private boolean locked;\n"); + w.append(" private org.apidesign.bck2brwsr.htmlpage.Knockout ko;\n"); + w.append(body.toString()); + w.append(" private static Class<" + inPckName(e) + "> modelFor() { return null; }\n"); + w.append(" public ").append(className).append("() {\n"); + w.append(" intKnckt();\n"); + w.append(" };\n"); + w.append(" private void intKnckt() {\n"); + w.append(" ko = org.apidesign.bck2brwsr.htmlpage.Knockout.applyBindings(this, "); + writeStringArray(propsGetSet, w); + w.append(", "); + writeStringArray(functions, w); + w.append(" );\n"); + w.append(" };\n"); + w.append(" ").append(className).append("(Object json) {\n"); + int values = 0; + for (int i = 0; i < propsGetSet.size(); i += 4) { + Prprt p = findPrprt(props, propsGetSet.get(i)); + if (p == null) { + continue; + } + values++; + } + w.append(" Object[] ret = new Object[" + values + "];\n"); + w.append(" org.apidesign.bck2brwsr.htmlpage.ConvertTypes.extractJSON(json, new String[] {\n"); + for (int i = 0; i < propsGetSet.size(); i += 4) { + Prprt p = findPrprt(props, propsGetSet.get(i)); + if (p == null) { + continue; + } + w.append(" \"").append(propsGetSet.get(i)).append("\",\n"); + } + w.append(" }, ret);\n"); + for (int i = 0, cnt = 0, prop = 0; i < propsGetSet.size(); i += 4) { + final String pn = propsGetSet.get(i); + Prprt p = findPrprt(props, pn); + if (p == null) { + continue; + } + boolean[] isModel = { false }; + boolean[] isEnum = { false }; + boolean isPrimitive[] = { false }; + String type = checkType(props[prop++], isModel, isEnum, isPrimitive); + if (p.array()) { + w.append("if (ret[" + cnt + "] instanceof Object[]) {\n"); + w.append(" for (Object e : ((Object[])ret[" + cnt + "])) {\n"); + if (isModel[0]) { + w.append(" this.prop_").append(pn).append(".add(new "); + w.append(type).append("(e));\n"); + } else if (isEnum[0]) { + w.append(" this.prop_").append(pn); + w.append(".add("); + w.append(type).append(".valueOf((String)e));\n"); + } else { + if (isPrimitive(type)) { + w.append(" this.prop_").append(pn).append(".add(((Number)e)."); + w.append(type).append("Value());\n"); + } else { + w.append(" this.prop_").append(pn).append(".add(("); + w.append(type).append(")e);\n"); + } + } + w.append(" }\n"); + w.append("}\n"); + } else { + if (isEnum[0]) { + w.append(" this.prop_").append(pn); + w.append(" = "); + w.append(type).append(".valueOf((String)ret[" + cnt + "]);\n"); + } else if (isPrimitive(type)) { + w.append(" this.prop_").append(pn); + w.append(" = ((Number)").append("ret[" + cnt + "])."); + w.append(type).append("Value();\n"); + } else { + w.append(" this.prop_").append(pn); + w.append(" = (").append(type).append(')'); + w.append("ret[" + cnt + "];\n"); + } + } + cnt++; + } + w.append(" intKnckt();\n"); + w.append(" };\n"); + writeToString(props, w); + writeClone(className, props, w); + w.append("}\n"); + } finally { + w.close(); + } + } catch (IOException ex) { + error("Can't create " + className + ".java", e); + return false; + } + return ok; + } + + private boolean processPage(Element e) { + boolean ok = true; + Page p = e.getAnnotation(Page.class); + if (p == null) { + return true; + } + String pkg = findPkgName(e); + + ProcessPage pp; + try (InputStream is = openStream(pkg, p.xhtml())) { + pp = ProcessPage.readPage(is); + is.close(); + } catch (IOException iOException) { + error("Can't read " + p.xhtml() + " as " + iOException.getMessage(), e); + ok = false; + pp = null; + } + Writer w; + String className = p.className(); + if (className.isEmpty()) { + int indx = p.xhtml().indexOf('.'); + className = p.xhtml().substring(0, indx); + } + try { + StringWriter body = new StringWriter(); + List propsGetSet = new ArrayList<>(); + List functions = new ArrayList<>(); + Map> propsDeps = new HashMap<>(); + Map> functionDeps = new HashMap<>(); + + Prprt[] props = createProps(e, p.properties()); + if (!generateComputedProperties(body, props, e.getEnclosedElements(), propsGetSet, propsDeps)) { + ok = false; + } + if (!generateOnChange(e, propsDeps, props, className, functionDeps)) { + ok = false; + } + if (!generateProperties(e, body, props, propsGetSet, propsDeps, functionDeps)) { + ok = false; + } + if (!generateFunctions(e, body, className, e.getEnclosedElements(), functions)) { + ok = false; + } + if (!generateReceive(e, body, className, e.getEnclosedElements(), functions)) { + ok = false; + } + + FileObject java = processingEnv.getFiler().createSourceFile(pkg + '.' + className, e); + w = new OutputStreamWriter(java.openOutputStream()); + try { + w.append("package " + pkg + ";\n"); + w.append("import org.apidesign.bck2brwsr.htmlpage.api.*;\n"); + w.append("import org.apidesign.bck2brwsr.htmlpage.KOList;\n"); + w.append("public final class ").append(className).append(" {\n"); + w.append(" private boolean locked;\n"); + if (!initializeOnClick(className, (TypeElement) e, w, pp)) { + ok = false; + } else { + if (pp != null) for (String id : pp.ids()) { + String tag = pp.tagNameForId(id); + String type = type(tag); + w.append(" ").append("public final "). + append(type).append(' ').append(cnstnt(id)).append(" = new "). + append(type).append("(\"").append(id).append("\");\n"); + } + } + w.append(" private org.apidesign.bck2brwsr.htmlpage.Knockout ko;\n"); + w.append(body.toString()); + if (!propsGetSet.isEmpty()) { + w.write("public " + className + " applyBindings() {\n"); + w.write(" ko = org.apidesign.bck2brwsr.htmlpage.Knockout.applyBindings("); + w.write(className + ".class, this, "); + writeStringArray(propsGetSet, w); + w.append(", "); + writeStringArray(functions, w); + w.write(");\n return this;\n}\n"); + + w.write("public void triggerEvent(Element e, OnEvent ev) {\n"); + w.write(" org.apidesign.bck2brwsr.htmlpage.Knockout.triggerEvent(e.getId(), ev.getElementPropertyName());\n"); + w.write("}\n"); + } + w.append("}\n"); + } finally { + w.close(); + } + } catch (IOException ex) { + error("Can't create " + className + ".java", e); + return false; + } + return ok; + } + private static String type(String tag) { if (tag.equals("title")) { return "Title"; @@ -178,12 +402,13 @@ } private static String cnstnt(String id) { - return id.toUpperCase(Locale.ENGLISH).replace('.', '_').replace('-', '_'); + return id.replace('.', '_').replace('-', '_'); } private boolean initializeOnClick( String className, TypeElement type, Writer w, ProcessPage pp ) throws IOException { + boolean ok = true; TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType(); { //for (Element clazz : pe.getEnclosedElements()) { // if (clazz.getKind() != ElementKind.CLASS) { @@ -196,58 +421,27 @@ On oc = method.getAnnotation(On.class); if (oc != null) { for (String id : oc.id()) { + if (pp == null) { + error("id = " + id + " not found in HTML page.", method); + ok = false; + continue; + } if (pp.tagNameForId(id) == null) { - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "id = " + id + " does not exist in the HTML page. Found only " + pp.ids(), method); - return false; + error("id = " + id + " does not exist in the HTML page. Found only " + pp.ids(), method); + ok = false; + continue; } ExecutableElement ee = (ExecutableElement)method; - StringBuilder params = new StringBuilder(); - { - boolean first = true; - for (VariableElement ve : ee.getParameters()) { - if (!first) { - params.append(", "); - } - first = false; - if (ve.asType() == stringType) { - if (ve.getSimpleName().contentEquals("id")) { - params.append('"').append(id).append('"'); - continue; - } - params.append("org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toString(ev, \""); - params.append(ve.getSimpleName().toString()); - params.append("\")"); - continue; - } - if (processingEnv.getTypeUtils().getPrimitiveType(TypeKind.DOUBLE) == ve.asType()) { - params.append("org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toDouble(ev, \""); - params.append(ve.getSimpleName().toString()); - params.append("\")"); - continue; - } - String rn = ve.asType().toString(); - int last = rn.lastIndexOf('.'); - if (last >= 0) { - rn = rn.substring(last + 1); - } - if (rn.equals(className)) { - params.append(className).append(".this"); - continue; - } - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, - "@On method can only accept String named 'id' or " + className + " arguments", - ee - ); - return false; - } - } + CharSequence params = wrapParams(ee, id, className, "ev", null); if (!ee.getModifiers().contains(Modifier.STATIC)) { - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@On method has to be static", ee); - return false; + error("@On method has to be static", ee); + ok = false; + continue; } if (ee.getModifiers().contains(Modifier.PRIVATE)) { - processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@On method can't be private", ee); - return false; + error("@On method can't be private", ee); + ok = false; + continue; } w.append(" OnEvent." + oc.event()).append(".of(").append(cnstnt(id)). append(").perform(new OnDispatch(" + dispatchCnt + "));\n"); @@ -279,7 +473,7 @@ } - return true; + return ok; } @Override @@ -293,8 +487,7 @@ Element cls = findClass(element); Page p = cls.getAnnotation(Page.class); - PackageElement pe = (PackageElement) cls.getEnclosingElement(); - String pkg = pe.getQualifiedName().toString(); + String pkg = findPkgName(cls); ProcessPage pp; try { InputStream is = openStream(pkg, p.xhtml()); @@ -304,7 +497,7 @@ return Collections.emptyList(); } - List cc = new ArrayList(); + List cc = new ArrayList<>(); userText = userText.substring(1); for (String id : pp.ids()) { if (id.startsWith(userText)) { @@ -325,44 +518,89 @@ return e.getEnclosingElement(); } - private static void generateProperties( - Writer w, Property[] properties, Collection props, - Map> deps + private boolean generateProperties( + Element where, + Writer w, Prprt[] properties, + Collection props, + Map> deps, + Map> functionDeps ) throws IOException { - for (Property p : properties) { - final String tn = typeName(p); - String[] gs = toGetSet(p.name(), tn); + boolean ok = true; + for (Prprt p : properties) { + final String tn; + tn = typeName(where, p); + String[] gs = toGetSet(p.name(), tn, p.array()); - w.write("private " + tn + " prop_" + p.name() + ";\n"); - w.write("public " + tn + " " + gs[0] + "() {\n"); - w.write(" if (locked) throw new IllegalStateException();\n"); - w.write(" return prop_" + p.name() + ";\n"); - w.write("}\n"); - w.write("public void " + gs[1] + "(" + tn + " v) {\n"); - w.write(" if (locked) throw new IllegalStateException();\n"); - w.write(" prop_" + p.name() + " = v;\n"); - w.write(" if (ko != null) {\n"); - w.write(" ko.valueHasMutated(\"" + p.name() + "\");\n"); - final Collection dependants = deps.get(p.name()); - if (dependants != null) { - for (String depProp : dependants) { - w.write(" ko.valueHasMutated(\"" + depProp + "\");\n"); + if (p.array()) { + w.write("private KOList<" + tn + "> prop_" + p.name() + " = new KOList<" + tn + ">(\"" + + p.name() + "\""); + Collection dependants = deps.get(p.name()); + if (dependants != null) { + for (String depProp : dependants) { + w.write(", "); + w.write('\"'); + w.write(depProp); + w.write('\"'); + } } + w.write(")"); + + dependants = functionDeps.get(p.name()); + if (dependants != null) { + w.write(".onChange(new Runnable() { public void run() {\n"); + for (String call : dependants) { + w.append(call); + } + w.write("}})"); + } + w.write(";\n"); + + w.write("public java.util.List<" + tn + "> " + gs[0] + "() {\n"); + w.write(" if (locked) throw new IllegalStateException();\n"); + w.write(" prop_" + p.name() + ".assign(ko);\n"); + w.write(" return prop_" + p.name() + ";\n"); + w.write("}\n"); + } else { + w.write("private " + tn + " prop_" + p.name() + ";\n"); + w.write("public " + tn + " " + gs[0] + "() {\n"); + w.write(" if (locked) throw new IllegalStateException();\n"); + w.write(" return prop_" + p.name() + ";\n"); + w.write("}\n"); + w.write("public void " + gs[1] + "(" + tn + " v) {\n"); + w.write(" if (locked) throw new IllegalStateException();\n"); + w.write(" prop_" + p.name() + " = v;\n"); + w.write(" if (ko != null) {\n"); + w.write(" ko.valueHasMutated(\"" + p.name() + "\");\n"); + Collection dependants = deps.get(p.name()); + if (dependants != null) { + for (String depProp : dependants) { + w.write(" ko.valueHasMutated(\"" + depProp + "\");\n"); + } + } + w.write(" }\n"); + dependants = functionDeps.get(p.name()); + if (dependants != null) { + for (String call : dependants) { + w.append(call); + } + } + w.write("}\n"); } - w.write(" }\n"); - w.write("}\n"); props.add(p.name()); props.add(gs[2]); props.add(gs[3]); props.add(gs[0]); } + return ok; } private boolean generateComputedProperties( - Writer w, Collection arr, Collection props, + Writer w, Prprt[] fixedProps, + Collection arr, Collection props, Map> deps ) throws IOException { + boolean ok = true; for (Element e : arr) { if (e.getKind() != ElementKind.METHOD) { continue; @@ -371,30 +609,43 @@ continue; } ExecutableElement ee = (ExecutableElement)e; - final String tn = ee.getReturnType().toString(); + final TypeMirror rt = ee.getReturnType(); + final Types tu = processingEnv.getTypeUtils(); + TypeMirror ert = tu.erasure(rt); + String tn = fqn(ert, ee); + boolean array = false; + if (tn.equals("java.util.List")) { + array = true; + } + final String sn = ee.getSimpleName().toString(); - String[] gs = toGetSet(sn, tn); + String[] gs = toGetSet(sn, tn, array); w.write("public " + tn + " " + gs[0] + "() {\n"); w.write(" if (locked) throw new IllegalStateException();\n"); int arg = 0; for (VariableElement pe : ee.getParameters()) { final String dn = pe.getSimpleName().toString(); - final String dt = pe.asType().toString(); - String[] call = toGetSet(dn, dt); + + if (!verifyPropName(pe, dn, fixedProps)) { + ok = false; + } + + final String dt = fqn(pe.asType(), ee); + String[] call = toGetSet(dn, dt, false); w.write(" " + dt + " arg" + (++arg) + " = "); w.write(call[0] + "();\n"); Collection depends = deps.get(dn); if (depends == null) { - depends = new LinkedHashSet(); + depends = new LinkedHashSet<>(); deps.put(dn, depends); } depends.add(sn); } w.write(" try {\n"); w.write(" locked = true;\n"); - w.write(" return " + e.getEnclosingElement().getSimpleName() + '.' + e.getSimpleName() + "("); + w.write(" return " + fqn(ee.getEnclosingElement().asType(), ee) + '.' + e.getSimpleName() + "("); String sep = ""; for (int i = 1; i <= arg; i++) { w.write(sep); @@ -406,17 +657,17 @@ w.write(" locked = false;\n"); w.write(" }\n"); w.write("}\n"); - + props.add(e.getSimpleName().toString()); props.add(gs[2]); props.add(null); props.add(gs[0]); } - return true; + return ok; } - private static String[] toGetSet(String name, String type) { + private static String[] toGetSet(String name, String type, boolean array) { String n = Character.toUpperCase(name.charAt(0)) + name.substring(1); String bck2brwsrType = "L" + type.replace('.', '_') + "_2"; if ("int".equals(type)) { @@ -431,6 +682,14 @@ bck2brwsrType = "Z"; } final String nu = n.replace('.', '_'); + if (array) { + return new String[] { + "get" + n, + null, + "get" + nu + "__Ljava_util_List_2", + null + }; + } return new String[]{ pref + n, "set" + n, @@ -439,11 +698,701 @@ }; } - private static String typeName(Property p) { - try { - return p.type().getName(); - } catch (MirroredTypeException ex) { - return ex.getTypeMirror().toString(); + private String typeName(Element where, Prprt p) { + String ret; + boolean[] isModel = { false }; + boolean[] isEnum = { false }; + boolean isPrimitive[] = { false }; + ret = checkType(p, isModel, isEnum, isPrimitive); + if (p.array()) { + String bt = findBoxedType(ret); + if (bt != null) { + return bt; + } + } + return ret; + } + + private static String findBoxedType(String ret) { + if (ret.equals("boolean")) { + return Boolean.class.getName(); + } + if (ret.equals("byte")) { + return Byte.class.getName(); + } + if (ret.equals("short")) { + return Short.class.getName(); + } + if (ret.equals("char")) { + return Character.class.getName(); + } + if (ret.equals("int")) { + return Integer.class.getName(); + } + if (ret.equals("long")) { + return Long.class.getName(); + } + if (ret.equals("float")) { + return Float.class.getName(); + } + if (ret.equals("double")) { + return Double.class.getName(); + } + return null; + } + + private boolean verifyPropName(Element e, String propName, Prprt[] existingProps) { + StringBuilder sb = new StringBuilder(); + String sep = ""; + for (Prprt Prprt : existingProps) { + if (Prprt.name().equals(propName)) { + return true; + } + sb.append(sep); + sb.append('"'); + sb.append(Prprt.name()); + sb.append('"'); + sep = ", "; + } + error( + propName + " is not one of known properties: " + sb + , e + ); + return false; + } + + private static String findPkgName(Element e) { + for (;;) { + if (e.getKind() == ElementKind.PACKAGE) { + return ((PackageElement)e).getQualifiedName().toString(); + } + e = e.getEnclosingElement(); } } + + private boolean generateFunctions( + Element clazz, StringWriter body, String className, + List enclosedElements, List functions + ) { + for (Element m : enclosedElements) { + if (m.getKind() != ElementKind.METHOD) { + continue; + } + ExecutableElement e = (ExecutableElement)m; + OnFunction onF = e.getAnnotation(OnFunction.class); + if (onF == null) { + continue; + } + if (!e.getModifiers().contains(Modifier.STATIC)) { + error("@OnFunction method needs to be static", e); + return false; + } + if (e.getModifiers().contains(Modifier.PRIVATE)) { + error("@OnFunction method cannot be private", e); + return false; + } + if (e.getReturnType().getKind() != TypeKind.VOID) { + error("@OnFunction method should return void", e); + return false; + } + String n = e.getSimpleName().toString(); + body.append("private void ").append(n).append("(Object data, Object ev) {\n"); + body.append(" ").append(clazz.getSimpleName()).append(".").append(n).append("("); + body.append(wrapParams(e, null, className, "ev", "data")); + body.append(");\n"); + body.append("}\n"); + + functions.add(n); + functions.add(n + "__VLjava_lang_Object_2Ljava_lang_Object_2"); + } + return true; + } + + private boolean generateOnChange(Element clazz, Map> propDeps, + Prprt[] properties, String className, + Map> functionDeps + ) { + for (Element m : clazz.getEnclosedElements()) { + if (m.getKind() != ElementKind.METHOD) { + continue; + } + ExecutableElement e = (ExecutableElement) m; + OnPropertyChange onPC = e.getAnnotation(OnPropertyChange.class); + if (onPC == null) { + continue; + } + for (String pn : onPC.value()) { + if (findPrprt(properties, pn) == null && findDerivedFrom(propDeps, pn).isEmpty()) { + error("No Prprt named '" + pn + "' in the model", clazz); + return false; + } + } + if (!e.getModifiers().contains(Modifier.STATIC)) { + error("@OnPrprtChange method needs to be static", e); + return false; + } + if (e.getModifiers().contains(Modifier.PRIVATE)) { + error("@OnPrprtChange method cannot be private", e); + return false; + } + if (e.getReturnType().getKind() != TypeKind.VOID) { + error("@OnPrprtChange method should return void", e); + return false; + } + String n = e.getSimpleName().toString(); + + + for (String pn : onPC.value()) { + StringBuilder call = new StringBuilder(); + call.append(" ").append(clazz.getSimpleName()).append(".").append(n).append("("); + call.append(wrapPropName(e, className, "name", pn)); + call.append(");\n"); + + Collection change = functionDeps.get(pn); + if (change == null) { + change = new ArrayList<>(); + functionDeps.put(pn, change); + } + change.add(call.toString()); + for (String dpn : findDerivedFrom(propDeps, pn)) { + change = functionDeps.get(dpn); + if (change == null) { + change = new ArrayList<>(); + functionDeps.put(dpn, change); + } + change.add(call.toString()); + } + } + } + return true; + } + + private boolean generateReceive( + Element clazz, StringWriter body, String className, + List enclosedElements, List functions + ) { + for (Element m : enclosedElements) { + if (m.getKind() != ElementKind.METHOD) { + continue; + } + ExecutableElement e = (ExecutableElement)m; + OnReceive onR = e.getAnnotation(OnReceive.class); + if (onR == null) { + continue; + } + if (!e.getModifiers().contains(Modifier.STATIC)) { + error("@OnReceive method needs to be static", e); + return false; + } + if (e.getModifiers().contains(Modifier.PRIVATE)) { + error("@OnReceive method cannot be private", e); + return false; + } + if (e.getReturnType().getKind() != TypeKind.VOID) { + error("@OnReceive method should return void", e); + return false; + } + String modelClass = null; + boolean expectsList = false; + List args = new ArrayList<>(); + { + for (VariableElement ve : e.getParameters()) { + TypeMirror modelType = null; + if (ve.asType().toString().equals(className)) { + args.add(className + ".this"); + } else if (isModel(ve.asType())) { + modelType = ve.asType(); + } else if (ve.asType().getKind() == TypeKind.ARRAY) { + modelType = ((ArrayType)ve.asType()).getComponentType(); + expectsList = true; + } + if (modelType != null) { + if (modelClass != null) { + error("There can be only one model class among arguments", e); + } else { + modelClass = modelType.toString(); + if (expectsList) { + args.add("arr"); + } else { + args.add("arr[0]"); + } + } + } + } + } + if (modelClass == null) { + error("The method needs to have one @Model class as parameter", e); + } + String n = e.getSimpleName().toString(); + body.append("public void ").append(n).append("("); + StringBuilder assembleURL = new StringBuilder(); + String jsonpVarName = null; + { + String sep = ""; + boolean skipJSONP = onR.jsonp().isEmpty(); + for (String p : findParamNames(e, onR.url(), assembleURL)) { + if (!skipJSONP && p.equals(onR.jsonp())) { + skipJSONP = true; + jsonpVarName = p; + continue; + } + body.append(sep); + body.append("String ").append(p); + sep = ", "; + } + if (!skipJSONP) { + error( + "Name of jsonp attribute ('" + onR.jsonp() + + "') is not used in url attribute '" + onR.url() + "'", e + ); + } + } + body.append(") {\n"); + body.append(" final Object[] result = { null };\n"); + body.append( + " class ProcessResult implements Runnable {\n" + + " @Override\n" + + " public void run() {\n" + + " Object value = result[0];\n"); + body.append( + " " + modelClass + "[] arr;\n"); + body.append( + " if (value instanceof Object[]) {\n" + + " Object[] data = ((Object[])value);\n" + + " arr = new " + modelClass + "[data.length];\n" + + " for (int i = 0; i < data.length; i++) {\n" + + " arr[i] = new " + modelClass + "(data[i]);\n" + + " }\n" + + " } else {\n" + + " arr = new " + modelClass + "[1];\n" + + " arr[0] = new " + modelClass + "(value);\n" + + " }\n" + ); + { + body.append(clazz.getSimpleName()).append(".").append(n).append("("); + String sep = ""; + for (String arg : args) { + body.append(sep); + body.append(arg); + sep = ", "; + } + body.append(");\n"); + } + body.append( + " }\n" + + " }\n" + ); + body.append(" ProcessResult pr = new ProcessResult();\n"); + if (jsonpVarName != null) { + body.append(" String ").append(jsonpVarName). + append(" = org.apidesign.bck2brwsr.htmlpage.ConvertTypes.createJSONP(result, pr);\n"); + } + body.append(" org.apidesign.bck2brwsr.htmlpage.ConvertTypes.loadJSON(\n "); + body.append(assembleURL); + body.append(", result, pr, ").append(jsonpVarName).append("\n );\n"); +// body.append(" ").append(clazz.getSimpleName()).append(".").append(n).append("("); +// body.append(wrapParams(e, null, className, "ev", "data")); +// body.append(");\n"); + body.append("}\n"); + } + return true; + } + + private CharSequence wrapParams( + ExecutableElement ee, String id, String className, String evName, String dataName + ) { + TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType(); + StringBuilder params = new StringBuilder(); + boolean first = true; + for (VariableElement ve : ee.getParameters()) { + if (!first) { + params.append(", "); + } + first = false; + String toCall = null; + if (ve.asType() == stringType) { + if (ve.getSimpleName().contentEquals("id")) { + params.append('"').append(id).append('"'); + continue; + } + toCall = "org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toString("; + } + if (ve.asType().getKind() == TypeKind.DOUBLE) { + toCall = "org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toDouble("; + } + if (ve.asType().getKind() == TypeKind.INT) { + toCall = "org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toInt("; + } + if (dataName != null && ve.getSimpleName().contentEquals(dataName) && isModel(ve.asType())) { + toCall = "org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toModel(" + ve.asType() + ".class, "; + } + + if (toCall != null) { + params.append(toCall); + if (dataName != null && ve.getSimpleName().contentEquals(dataName)) { + params.append(dataName); + params.append(", null"); + } else { + if (evName == null) { + final StringBuilder sb = new StringBuilder(); + sb.append("Unexpected string parameter name."); + if (dataName != null) { + sb.append(" Try \"").append(dataName).append("\""); + } + error(sb.toString(), ee); + } + params.append(evName); + params.append(", \""); + params.append(ve.getSimpleName().toString()); + params.append("\""); + } + params.append(")"); + continue; + } + String rn = fqn(ve.asType(), ee); + int last = rn.lastIndexOf('.'); + if (last >= 0) { + rn = rn.substring(last + 1); + } + if (rn.equals(className)) { + params.append(className).append(".this"); + continue; + } + error( + "@On method can only accept String named 'id' or " + className + " arguments", + ee + ); + } + return params; + } + + + private CharSequence wrapPropName( + ExecutableElement ee, String className, String propName, String propValue + ) { + TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType(); + StringBuilder params = new StringBuilder(); + boolean first = true; + for (VariableElement ve : ee.getParameters()) { + if (!first) { + params.append(", "); + } + first = false; + if (ve.asType() == stringType) { + if (propName != null && ve.getSimpleName().contentEquals(propName)) { + params.append('"').append(propValue).append('"'); + } else { + error("Unexpected string parameter name. Try \"" + propName + "\".", ee); + } + continue; + } + String rn = fqn(ve.asType(), ee); + int last = rn.lastIndexOf('.'); + if (last >= 0) { + rn = rn.substring(last + 1); + } + if (rn.equals(className)) { + params.append(className).append(".this"); + continue; + } + error( + "@OnPrprtChange method can only accept String or " + className + " arguments", + ee); + } + return params; + } + + private boolean isModel(TypeMirror tm) { + final Element e = processingEnv.getTypeUtils().asElement(tm); + if (e == null) { + return false; + } + for (Element ch : e.getEnclosedElements()) { + if (ch.getKind() == ElementKind.METHOD) { + ExecutableElement ee = (ExecutableElement)ch; + if (ee.getParameters().isEmpty() && ee.getSimpleName().contentEquals("modelFor")) { + return true; + } + } + } + return models.values().contains(e.getSimpleName().toString()); + } + + private void writeStringArray(List strings, Writer w) throws IOException { + w.write("new String[] {\n"); + String sep = ""; + for (String n : strings) { + w.write(sep); + if (n == null) { + w.write(" null"); + } else { + w.write(" \"" + n + "\""); + } + sep = ",\n"; + } + w.write("\n }"); + } + + private void writeToString(Prprt[] props, Writer w) throws IOException { + w.write(" public String toString() {\n"); + w.write(" StringBuilder sb = new StringBuilder();\n"); + w.write(" sb.append('{');\n"); + String sep = ""; + for (Prprt p : props) { + w.write(sep); + w.append(" sb.append(\"" + p.name() + ": \");\n"); + w.append(" sb.append(org.apidesign.bck2brwsr.htmlpage.ConvertTypes.toJSON(prop_"); + w.append(p.name()).append("));\n"); + sep = " sb.append(',');\n"; + } + w.write(" sb.append('}');\n"); + w.write(" return sb.toString();\n"); + w.write(" }\n"); + } + private void writeClone(String className, Prprt[] props, Writer w) throws IOException { + w.write(" public " + className + " clone() {\n"); + w.write(" " + className + " ret = new " + className + "();\n"); + for (Prprt p : props) { + if (!p.array()) { + boolean isModel[] = { false }; + boolean isEnum[] = { false }; + boolean isPrimitive[] = { false }; + checkType(p, isModel, isEnum, isPrimitive); + if (!isModel[0]) { + w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + ";\n"); + continue; + } + w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + ".clone();\n"); + } else { + w.write(" ret.prop_" + p.name() + " = prop_" + p.name() + ".clone();\n"); + } + } + + w.write(" return ret;\n"); + w.write(" }\n"); + } + + private String inPckName(Element e) { + StringBuilder sb = new StringBuilder(); + while (e.getKind() != ElementKind.PACKAGE) { + if (sb.length() == 0) { + sb.append(e.getSimpleName()); + } else { + sb.insert(0, '.'); + sb.insert(0, e.getSimpleName()); + } + e = e.getEnclosingElement(); + } + return sb.toString(); + } + + private String fqn(TypeMirror pt, Element relative) { + if (pt.getKind() == TypeKind.ERROR) { + final Elements eu = processingEnv.getElementUtils(); + PackageElement pckg = eu.getPackageOf(relative); + return pckg.getQualifiedName() + "." + pt.toString(); + } + return pt.toString(); + } + + private String checkType(Prprt p, boolean[] isModel, boolean[] isEnum, boolean[] isPrimitive) { + TypeMirror tm; + try { + String ret = p.typeName(processingEnv); + TypeElement e = processingEnv.getElementUtils().getTypeElement(ret); + if (e == null) { + isModel[0] = true; + isEnum[0] = false; + isPrimitive[0] = false; + return ret; + } + tm = e.asType(); + } catch (MirroredTypeException ex) { + tm = ex.getTypeMirror(); + } + tm = processingEnv.getTypeUtils().erasure(tm); + isPrimitive[0] = tm.getKind().isPrimitive(); + final Element e = processingEnv.getTypeUtils().asElement(tm); + final Model m = e == null ? null : e.getAnnotation(Model.class); + + String ret; + if (m != null) { + ret = findPkgName(e) + '.' + m.className(); + isModel[0] = true; + models.put(e, m.className()); + } else if (findModelForMthd(e)) { + ret = ((TypeElement)e).getQualifiedName().toString(); + isModel[0] = true; + } else { + ret = tm.toString(); + } + TypeMirror enm = processingEnv.getElementUtils().getTypeElement("java.lang.Enum").asType(); + enm = processingEnv.getTypeUtils().erasure(enm); + isEnum[0] = processingEnv.getTypeUtils().isSubtype(tm, enm); + return ret; + } + + private static boolean findModelForMthd(Element clazz) { + if (clazz == null) { + return false; + } + for (Element e : clazz.getEnclosedElements()) { + if (e.getKind() == ElementKind.METHOD) { + ExecutableElement ee = (ExecutableElement)e; + if ( + ee.getSimpleName().contentEquals("modelFor") && + ee.getParameters().isEmpty() + ) { + return true; + } + } + } + return false; + } + + private Iterable findParamNames(Element e, String url, StringBuilder assembleURL) { + List params = new ArrayList<>(); + + for (int pos = 0; ;) { + int next = url.indexOf('{', pos); + if (next == -1) { + assembleURL.append('"') + .append(url.substring(pos)) + .append('"'); + return params; + } + int close = url.indexOf('}', next); + if (close == -1) { + error("Unbalanced '{' and '}' in " + url, e); + return params; + } + final String paramName = url.substring(next + 1, close); + params.add(paramName); + assembleURL.append('"') + .append(url.substring(pos, next)) + .append("\" + ").append(paramName).append(" + "); + pos = close + 1; + } + } + + private static Prprt findPrprt(Prprt[] properties, String propName) { + for (Prprt p : properties) { + if (propName.equals(p.name())) { + return p; + } + } + return null; + } + + private boolean isPrimitive(String type) { + return + "int".equals(type) || + "double".equals(type) || + "long".equals(type) || + "short".equals(type) || + "byte".equals(type) || + "float".equals(type); + } + + private static Collection findDerivedFrom(Map> propsDeps, String derivedProp) { + Set names = new HashSet<>(); + for (Map.Entry> e : propsDeps.entrySet()) { + if (e.getValue().contains(derivedProp)) { + names.add(e.getKey()); + } + } + return names; + } + + private Prprt[] createProps(Element e, Property[] arr) { + Prprt[] ret = Prprt.wrap(processingEnv, e, arr); + Prprt[] prev = verify.put(e, ret); + if (prev != null) { + error("Two sets of properties for ", e); + } + return ret; + } + + private static class Prprt { + private final Element e; + private final AnnotationMirror tm; + private final Property p; + + public Prprt(Element e, AnnotationMirror tm, Property p) { + this.e = e; + this.tm = tm; + this.p = p; + } + + String name() { + return p.name(); + } + + boolean array() { + return p.array(); + } + + String typeName(ProcessingEnvironment env) { + try { + return p.type().getName(); + } catch (AnnotationTypeMismatchException ex) { + for (Object v : getAnnoValues(env)) { + String s = v.toString().replace(" ", ""); + if (s.startsWith("type=") && s.endsWith(".class")) { + return s.substring(5, s.length() - 6); + } + } + throw ex; + } + } + + + static Prprt[] wrap(ProcessingEnvironment pe, Element e, Property[] arr) { + if (arr.length == 0) { + return new Prprt[0]; + } + + if (e.getKind() != ElementKind.CLASS) { + throw new IllegalStateException("" + e.getKind()); + } + TypeElement te = (TypeElement)e; + List val = null; + for (AnnotationMirror an : te.getAnnotationMirrors()) { + for (Map.Entry entry : an.getElementValues().entrySet()) { + if (entry.getKey().getSimpleName().contentEquals("properties")) { + val = (List)entry.getValue().getValue(); + break; + } + } + } + if (val == null || val.size() != arr.length) { + pe.getMessager().printMessage(Diagnostic.Kind.ERROR, "" + val, e); + return new Prprt[0]; + } + Prprt[] ret = new Prprt[arr.length]; + BIG: for (int i = 0; i < ret.length; i++) { + AnnotationMirror am = (AnnotationMirror)val.get(i).getValue(); + ret[i] = new Prprt(e, am, arr[i]); + + } + return ret; + } + + private List getAnnoValues(ProcessingEnvironment pe) { + try { + Class trees = Class.forName("com.sun.tools.javac.api.JavacTrees"); + Method m = trees.getMethod("instance", ProcessingEnvironment.class); + Object instance = m.invoke(null, pe); + m = instance.getClass().getMethod("getPath", Element.class, AnnotationMirror.class); + Object path = m.invoke(instance, e, tm); + m = path.getClass().getMethod("getLeaf"); + Object leaf = m.invoke(path); + m = leaf.getClass().getMethod("getArguments"); + return (List)m.invoke(leaf); + } catch (Exception ex) { + return Collections.emptyList(); + } + } + } + }