1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/lib/JavacTestingAbstractProcessor.java Wed Sep 29 23:27:57 2010 -0700
1.3 @@ -0,0 +1,100 @@
1.4 +/*
1.5 + * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +import java.util.*;
1.28 +import javax.annotation.processing.*;
1.29 +import javax.lang.model.SourceVersion;
1.30 +import static javax.lang.model.SourceVersion.*;
1.31 +import javax.lang.model.element.*;
1.32 +import javax.lang.model.util.*;
1.33 +
1.34 +/**
1.35 + * An abstract annotation processor tailored to javac regression testing.
1.36 + */
1.37 +public abstract class JavacTestingAbstractProcessor extends AbstractProcessor {
1.38 + private static final Set<String> allAnnotations;
1.39 +
1.40 + static {
1.41 + Set<String> tmp = new HashSet<>();
1.42 + tmp.add("*");
1.43 + allAnnotations = Collections.unmodifiableSet(tmp);
1.44 + }
1.45 +
1.46 + protected Elements eltUtils;
1.47 + protected Elements elements;
1.48 + protected Types typeUtils;
1.49 + protected Types types;
1.50 + protected Filer filer;
1.51 + protected Messager messager;
1.52 + protected Map<String, String> options;
1.53 +
1.54 + /**
1.55 + * Constructor for subclasses to call.
1.56 + */
1.57 + protected JavacTestingAbstractProcessor() {
1.58 + super();
1.59 + }
1.60 +
1.61 + /**
1.62 + * Return the latest source version. Unless this method is
1.63 + * overridden, an {@code IllegalStateException} will be thrown if a
1.64 + * subclass has a {@code SupportedSourceVersion} annotation.
1.65 + */
1.66 + @Override
1.67 + public SourceVersion getSupportedSourceVersion() {
1.68 + SupportedSourceVersion ssv = this.getClass().getAnnotation(SupportedSourceVersion.class);
1.69 + if (ssv != null)
1.70 + throw new IllegalStateException("SupportedSourceVersion annotation not supported here.");
1.71 +
1.72 + return SourceVersion.latest();
1.73 + }
1.74 +
1.75 + /**
1.76 + * If the processor class is annotated with {@link
1.77 + * SupportedAnnotationTypes}, return an unmodifiable set with the
1.78 + * same set of strings as the annotation. If the class is not so
1.79 + * annotated, a one-element set containing {@code "*"} is returned
1.80 + * to indicate all annotations are processed.
1.81 + *
1.82 + * @return the names of the annotation types supported by this
1.83 + * processor, or an empty set if none
1.84 + */
1.85 + @Override
1.86 + public Set<String> getSupportedAnnotationTypes() {
1.87 + SupportedAnnotationTypes sat = this.getClass().getAnnotation(SupportedAnnotationTypes.class);
1.88 + if (sat != null)
1.89 + return super.getSupportedAnnotationTypes();
1.90 + else
1.91 + return allAnnotations;
1.92 + }
1.93 +
1.94 + @Override
1.95 + public void init(ProcessingEnvironment processingEnv) {
1.96 + super.init(processingEnv);
1.97 + elements = eltUtils = processingEnv.getElementUtils();
1.98 + types = typeUtils = processingEnv.getTypeUtils();
1.99 + filer = processingEnv.getFiler();
1.100 + messager = processingEnv.getMessager();
1.101 + options = processingEnv.getOptions();
1.102 + }
1.103 +}
