diff -r 070fc5844295 -r 590958fcb7d7 htmlpage/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java
--- a/htmlpage/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java Fri Nov 09 09:00:46 2012 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,233 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.bck2brwsr.htmlpage;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.Locale;
-import java.util.Set;
-import javax.annotation.processing.AbstractProcessor;
-import javax.annotation.processing.Completion;
-import javax.annotation.processing.Completions;
-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.Element;
-import javax.lang.model.element.ElementKind;
-import javax.lang.model.element.ExecutableElement;
-import javax.lang.model.element.Modifier;
-import javax.lang.model.element.PackageElement;
-import javax.lang.model.element.TypeElement;
-import javax.lang.model.type.TypeMirror;
-import javax.tools.Diagnostic;
-import javax.tools.FileObject;
-import javax.tools.StandardLocation;
-import org.apidesign.bck2brwsr.htmlpage.api.OnClick;
-import org.apidesign.bck2brwsr.htmlpage.api.Page;
-import org.openide.util.lookup.ServiceProvider;
-
-/** Annotation processor to process an XHTML page and generate appropriate
- * "id" file.
- *
- * @author Jaroslav Tulach
- */
-@ServiceProvider(service=Processor.class)
-@SupportedAnnotationTypes({
- "org.apidesign.bck2brwsr.htmlpage.api.Page",
- "org.apidesign.bck2brwsr.htmlpage.api.OnClick"
-})
-public final class PageProcessor extends AbstractProcessor {
- @Override
- public boolean process(Set annotations, RoundEnvironment roundEnv) {
- for (Element e : roundEnv.getElementsAnnotatedWith(Page.class)) {
- Page p = e.getAnnotation(Page.class);
- 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("class ").append(className).append(" {\n");
- for (String id : pp.ids()) {
- String tag = pp.tagNameForId(id);
- String type = type(tag);
- w.append(" ").append("public static final ").
- append(type).append(' ').append(cnstnt(id)).append(" = new ").
- append(type).append("(\"").append(id).append("\");\n");
- }
- w.append(" static {\n");
- if (!initializeOnClick(pe, w, pp)) {
- return false;
- }
- w.append(" }\n");
- w.append("}\n");
- } finally {
- w.close();
- }
- } catch (IOException ex) {
- processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "Can't create " + className + ".java", e);
- return false;
- }
- }
- return true;
- }
-
- private InputStream openStream(String pkg, String name) throws IOException {
- try {
- FileObject fo = processingEnv.getFiler().getResource(
- StandardLocation.SOURCE_PATH, pkg, name);
- return fo.openInputStream();
- } catch (IOException ex) {
- return processingEnv.getFiler().getResource(StandardLocation.CLASS_OUTPUT, pkg, name).openInputStream();
- }
- }
-
- private static String type(String tag) {
- if (tag.equals("title")) {
- return "Title";
- }
- if (tag.equals("button")) {
- return "Button";
- }
- if (tag.equals("input")) {
- return "Input";
- }
- return "Element";
- }
-
- private static String cnstnt(String id) {
- return id.toUpperCase(Locale.ENGLISH).replace('.', '_');
- }
-
- private boolean initializeOnClick(PackageElement pe, Writer w, ProcessPage pp) throws IOException {
- TypeMirror stringType = processingEnv.getElementUtils().getTypeElement("java.lang.String").asType();
- for (Element clazz : pe.getEnclosedElements()) {
- if (clazz.getKind() != ElementKind.CLASS) {
- continue;
- }
- TypeElement type = (TypeElement)clazz;
- for (Element method : clazz.getEnclosedElements()) {
- OnClick oc = method.getAnnotation(OnClick.class);
- if (oc != null) {
- for (String id : oc.id()) {
- if (pp.tagNameForId(id) == null) {
- processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "id = " + oc.id() + " does not exist in the HTML page. Found only " + pp.ids(), method);
- return false;
- }
- ExecutableElement ee = (ExecutableElement)method;
- boolean hasParam;
- if (ee.getParameters().isEmpty()) {
- hasParam = false;
- } else {
- if (ee.getParameters().size() != 1 || ee.getParameters().get(0).asType() != stringType) {
- processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@OnClick method should either have no arguments or one String argument", ee);
- return false;
- }
- hasParam = true;
- }
- if (!ee.getModifiers().contains(Modifier.STATIC)) {
- processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@OnClick method has to be static", ee);
- return false;
- }
- if (ee.getModifiers().contains(Modifier.PRIVATE)) {
- processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@OnClick method can't be private", ee);
- return false;
- }
- w.append(" ").append(cnstnt(id)).
- append(".addOnClick(new Runnable() { public void run() {\n");
- w.append(" ").append(type.getSimpleName().toString()).
- append('.').append(ee.getSimpleName()).append("(");
- if (hasParam) {
- w.append("\"").append(id).append("\"");
- }
- w.append(");\n");
- w.append(" }});\n");
- }
- }
- }
- }
- return true;
- }
-
- @Override
- public Iterable getCompletions(
- Element element, AnnotationMirror annotation,
- ExecutableElement member, String userText
- ) {
- if (!userText.startsWith("\"")) {
- return Collections.emptyList();
- }
-
- Element cls = findClass(element);
- Page p = cls.getAnnotation(Page.class);
- PackageElement pe = (PackageElement) cls.getEnclosingElement();
- String pkg = pe.getQualifiedName().toString();
- ProcessPage pp;
- try {
- InputStream is = openStream(pkg, p.xhtml());
- pp = ProcessPage.readPage(is);
- is.close();
- } catch (IOException iOException) {
- return Collections.emptyList();
- }
-
- List cc = new ArrayList();
- userText = userText.substring(1);
- for (String id : pp.ids()) {
- if (id.startsWith(userText)) {
- cc.add(Completions.of("\"" + id + "\"", id));
- }
- }
- return cc;
- }
-
- private static Element findClass(Element e) {
- if (e == null) {
- return null;
- }
- Page p = e.getAnnotation(Page.class);
- if (p != null) {
- return e;
- }
- return e.getEnclosingElement();
- }
-}