jdk8-mips64-public/langtools: comparison src/share/classes/com/sun/tools/javac/processing/JavacRoundEnvironment.java

--1:000000000000
+:959103a6100f
+/*
+* Copyright (c) 2005, 2014, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.  Oracle designates this
+* particular file as subject to the "Classpath" exception as provided
+* by Oracle in the LICENSE file that accompanied this code.
+*
+* This code 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
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+package com.sun.tools.javac.processing;
+import java.lang.annotation.Annotation;
+import javax.annotation.processing.*;
+import javax.lang.model.element.*;
+import javax.lang.model.util.*;
+import java.util.*;
+/**
+* Object providing state about a prior round of annotation processing.
+*
+* <p>The methods in this class do not take type annotations into account,
+* as target types, not java elements.
+*
+* <p><b>This is NOT part of any supported API.
+* If you write code that depends on this, you do so at your own risk.
+* This code and its internal interfaces are subject to change or
+* deletion without notice.</b>
+*/
+public class JavacRoundEnvironment implements RoundEnvironment {
+// Default equals and hashCode methods are okay.
+private final boolean processingOver;
+private final boolean errorRaised;
+private final ProcessingEnvironment processingEnv;
+// Caller must pass in an immutable set
+private final Set<? extends Element> rootElements;
+JavacRoundEnvironment(boolean processingOver,
+boolean errorRaised,
+Set<? extends Element> rootElements,
+ProcessingEnvironment processingEnv) {
+this.processingOver = processingOver;
+this.errorRaised = errorRaised;
+this.rootElements = rootElements;
+this.processingEnv = processingEnv;
+}
+public String toString() {
+return String.format("[errorRaised=%b, rootElements=%s, processingOver=%b]",
+errorRaised,
+rootElements,
+processingOver);
+}
+public boolean processingOver() {
+return processingOver;
+}
+/**
+* Returns {@code true} if an error was raised in the prior round
+* of processing; returns {@code false} otherwise.
+*
+* @return {@code true} if an error was raised in the prior round
+* of processing; returns {@code false} otherwise.
+*/
+public boolean errorRaised() {
+return errorRaised;
+}
+/**
+* Returns the type elements specified by the prior round.
+*
+* @return the types elements specified by the prior round, or an
+* empty set if there were none
+*/
+public Set<? extends Element> getRootElements() {
+return rootElements;
+}
+private static final String NOT_AN_ANNOTATION_TYPE =
+"The argument does not represent an annotation type: ";
+/**
+* Returns the elements annotated with the given annotation type.
+* Only type elements <i>included</i> in this round of annotation
+* processing, or declarations of members, parameters, or type
+* parameters declared within those, are returned.  Included type
+* elements are {@linkplain #getRootElements specified
+* types} and any types nested within them.
+*
+* @param a  annotation type being requested
+* @return the elements annotated with the given annotation type,
+* or an empty set if there are none
+*/
+public Set<? extends Element> getElementsAnnotatedWith(TypeElement a) {
+Set<Element> result = Collections.emptySet();
+if (a.getKind() != ElementKind.ANNOTATION_TYPE)
+throw new IllegalArgumentException(NOT_AN_ANNOTATION_TYPE + a);
+ElementScanner8<Set<Element>, TypeElement> scanner =
+new AnnotationSetScanner(result);
+for (Element element : rootElements)
+result = scanner.scan(element, a);
+return result;
+}
+// Could be written as a local class inside getElementsAnnotatedWith
+private class AnnotationSetScanner extends
+ElementScanner8<Set<Element>, TypeElement> {
+// Insertion-order preserving set
+Set<Element> annotatedElements = new LinkedHashSet<Element>();
+AnnotationSetScanner(Set<Element> defaultSet) {
+super(defaultSet);
+}
+@Override
+public Set<Element> visitType(TypeElement e, TypeElement p) {
+// Type parameters are not considered to be enclosed by a type
+scan(e.getTypeParameters(), p);
+return super.visitType(e, p);
+}
+@Override
+public Set<Element> visitExecutable(ExecutableElement e, TypeElement p) {
+// Type parameters are not considered to be enclosed by an executable
+scan(e.getTypeParameters(), p);
+return super.visitExecutable(e, p);
+}
+@Override
+public Set<Element> scan(Element e, TypeElement p) {
+java.util.List<? extends AnnotationMirror> annotationMirrors =
+processingEnv.getElementUtils().getAllAnnotationMirrors(e);
+for (AnnotationMirror annotationMirror : annotationMirrors) {
+if (p.equals(annotationMirror.getAnnotationType().asElement()))
+annotatedElements.add(e);
+}
+e.accept(this, p);
+return annotatedElements;
+}
+}
+/**
+* {@inheritdoc}
+*/
+public Set<? extends Element> getElementsAnnotatedWith(Class<? extends Annotation> a) {
+if (!a.isAnnotation())
+throw new IllegalArgumentException(NOT_AN_ANNOTATION_TYPE + a);
+String name = a.getCanonicalName();
+if (name == null)
+return Collections.emptySet();
+else {
+TypeElement annotationType = processingEnv.getElementUtils().getTypeElement(name);
+if (annotationType == null)
+return Collections.emptySet();
+else
+return getElementsAnnotatedWith(annotationType);
+}
+}
+}

Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: src/share/classes/com/sun/tools/javac/processing/JavacRoundEnvironment.java

src/share/classes/com/sun/tools/javac/processing/JavacRoundEnvironment.java