in geo/src/main/java/org/netbeans/html/geo/impl/GeoProcessor.java [75:217]
private boolean processLocation(Element e) {
if (e.getKind() != ElementKind.METHOD) {
return false;
}
ExecutableElement me = (ExecutableElement) e;
OnLocation ol = e.getAnnotation(OnLocation.class);
if (ol == null) {
return true;
}
if (me.getModifiers().contains(Modifier.PRIVATE)) {
error("Method annotated by @OnLocation cannot be private", e);
return false;
}
TypeMirror positionClass = processingEnv.getElementUtils().getTypeElement(Position.class.getName()).asType();
final List<? extends VariableElement> params = me.getParameters();
if (params.size() < 1 || !params.get(0).asType().equals(positionClass)) {
error("Method annotated by @OnLocation first argument must be net.java.html.geo.Position!", e);
return false;
}
String className = ol.className();
if (className.isEmpty()) {
String n = e.getSimpleName().toString();
if (n.isEmpty()) {
error("Empty method name", e);
return false;
}
final String firstLetter = n.substring(0, 1).toUpperCase(Locale.ENGLISH);
className = firstLetter + n.substring(1) + "Handle";
}
TypeElement te = (TypeElement)e.getEnclosingElement();
PackageElement pe = (PackageElement) te.getEnclosingElement();
final String pkg = pe.getQualifiedName().toString();
final String fqn = pkg + "." + className;
final boolean isStatic = me.getModifiers().contains(Modifier.STATIC);
String sep;
try {
JavaFileObject fo = processingEnv.getFiler().createSourceFile(fqn, e);
Writer w = fo.openWriter();
w.append("package ").append(pkg).append(";\n");
w.append("class ").append(className).append(" extends net.java.html.geo.Position.Handle {\n");
if (!isStatic) {
w.append(" private final ").append(te.getSimpleName()).append(" $i;\n");
}
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(" private final ").append(p.asType().toString()).append(" ").append(p.getSimpleName()).append(";\n");
}
w.append(" private ").append(className).append("(boolean oneTime");
w.append(", ").append(te.getSimpleName()).append(" i");
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(", ").append(p.asType().toString()).append(" ").append(p.getSimpleName());
}
w.append(") {\n super(oneTime);\n");
if (!isStatic) {
w.append(" this.$i = i;\n");
}
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(" this.").append(p.getSimpleName()).append(" = ").append(p.getSimpleName()).append(";\n");
}
w.append("}\n");
w.append(" static net.java.html.geo.Position.Handle createQuery(");
String inst;
if (!isStatic) {
w.append(te.getSimpleName()).append(" instance");
inst = "instance";
sep = ", ";
} else {
inst = "null";
sep = "";
}
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(sep).append(p.asType().toString()).append(" ").append(p.getSimpleName());
sep = ", ";
}
w.append(") { return new ").append(className).append("(true, ").append(inst);
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(", ").append(p.getSimpleName());
}
w.append("); }\n");
w.append(" static net.java.html.geo.Position.Handle createWatch(");
if (!isStatic) {
w.append(te.getSimpleName()).append(" instance");
sep = ", ";
} else {
sep = "";
}
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(sep).append(p.asType().toString()).append(" ").append(p.getSimpleName());
}
w.append(") { return new ").append(className).append("(false, ").append(inst);
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(", ").append(p.getSimpleName());
}
w.append("); }\n");
w.append(" @Override protected void onError(Exception t) throws Throwable {\n");
if (ol.onError().isEmpty()) {
w.append(" t.printStackTrace();");
} else {
if (!findOnError(me, te, ol.onError(), isStatic)) {
return false;
}
if (isStatic) {
w.append(" ").append(te.getSimpleName()).append(".");
} else {
w.append(" $i.");
}
w.append(ol.onError()).append("(t");
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(", ").append(p.getSimpleName());
}
w.append(");\n");
}
w.append(" }\n");
w.append(" @Override protected void onLocation(net.java.html.geo.Position p) throws Throwable {\n");
if (isStatic) {
w.append(" ").append(te.getSimpleName()).append(".");
} else {
w.append(" $i.");
}
w.append(me.getSimpleName()).append("(p");
for (int i = 1; i < params.size(); i++) {
final VariableElement p = params.get(i);
w.append(", ").append(p.getSimpleName());
}
w.append(");\n");
w.append(" }\n");
w.append("}\n");
w.close();
} catch (IOException ex) {
Logger.getLogger(GeoProcessor.class.getName()).log(Level.SEVERE, null, ex);
error("Can't write handler class: " + ex.getMessage(), e);
return false;
}
return true;
}