test/tools/javac/annotations/typeAnnotations/packageanno/PackageProcessor.java

Wed, 27 Apr 2016 01:34:52 +0800

author
aoqi
date
Wed, 27 Apr 2016 01:34:52 +0800
changeset 0
959103a6100f
child 2525
2eb010b6cb22
permissions
-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23 import java.util.HashSet;
aoqi@0 24 import java.util.Set;
aoqi@0 25
aoqi@0 26 import javax.annotation.processing.*;
aoqi@0 27 import javax.lang.model.SourceVersion;
aoqi@0 28 import javax.lang.model.element.*;
aoqi@0 29 import javax.lang.model.util.ElementFilter;
aoqi@0 30
aoqi@0 31 import com.sun.source.util.JavacTask;
aoqi@0 32 import com.sun.source.util.TaskEvent;
aoqi@0 33 import com.sun.source.util.TaskListener;
aoqi@0 34 import com.sun.tools.javac.main.JavaCompiler;
aoqi@0 35 import com.sun.tools.javac.processing.JavacProcessingEnvironment;
aoqi@0 36 import com.sun.tools.javac.util.Context;
aoqi@0 37
aoqi@0 38 import static com.sun.tools.javac.comp.CompileStates.CompileState;
aoqi@0 39
aoqi@0 40 /*
aoqi@0 41 * @test
aoqi@0 42 * @summary test that package annotations are available to type processors.
aoqi@0 43 * This class implements the functionality of a type processor, as previously
aoqi@0 44 * embodied by the AbstractTypeProcessor class.
aoqi@0 45 *
aoqi@0 46 * @author Mahmood Ali
aoqi@0 47 * @author Werner Dietl
aoqi@0 48 *
aoqi@0 49 * @compile PackageProcessor.java
aoqi@0 50 * @compile -cp . -processor PackageProcessor mypackage/Anno.java mypackage/MyClass.java mypackage/package-info.java
aoqi@0 51 */
aoqi@0 52
aoqi@0 53 @SupportedAnnotationTypes("*")
aoqi@0 54 public class PackageProcessor extends AbstractProcessor {
aoqi@0 55
aoqi@0 56 private final AttributionTaskListener listener = new AttributionTaskListener();
aoqi@0 57 private final Set<Name> elements = new HashSet<Name>();
aoqi@0 58
aoqi@0 59 @Override
aoqi@0 60 public final void init(ProcessingEnvironment env) {
aoqi@0 61 super.init(env);
aoqi@0 62 JavacTask.instance(env).addTaskListener(listener);
aoqi@0 63 Context ctx = ((JavacProcessingEnvironment)processingEnv).getContext();
aoqi@0 64 JavaCompiler compiler = JavaCompiler.instance(ctx);
aoqi@0 65 compiler.shouldStopPolicyIfNoError = CompileState.max(compiler.shouldStopPolicyIfNoError,
aoqi@0 66 CompileState.FLOW);
aoqi@0 67 }
aoqi@0 68
aoqi@0 69 @Override
aoqi@0 70 public final boolean process(Set<? extends TypeElement> annotations,
aoqi@0 71 RoundEnvironment roundEnv) {
aoqi@0 72 for (TypeElement elem : ElementFilter.typesIn(roundEnv.getRootElements())) {
aoqi@0 73 elements.add(elem.getQualifiedName());
aoqi@0 74 }
aoqi@0 75 return false;
aoqi@0 76 }
aoqi@0 77
aoqi@0 78 @Override
aoqi@0 79 public SourceVersion getSupportedSourceVersion() {
aoqi@0 80 return SourceVersion.latest();
aoqi@0 81 }
aoqi@0 82
aoqi@0 83 private final class AttributionTaskListener implements TaskListener {
aoqi@0 84 @Override
aoqi@0 85 public void started(TaskEvent e) { }
aoqi@0 86
aoqi@0 87 @Override
aoqi@0 88 public void finished(TaskEvent e) {
aoqi@0 89 if (e.getKind() != TaskEvent.Kind.ANALYZE)
aoqi@0 90 return;
aoqi@0 91
aoqi@0 92 if (!elements.remove(e.getTypeElement().getQualifiedName()))
aoqi@0 93 return;
aoqi@0 94
aoqi@0 95 if (e.getTypeElement().getSimpleName().contentEquals("MyClass")) {
aoqi@0 96 Element owner = e.getTypeElement().getEnclosingElement();
aoqi@0 97 if (owner.getKind() != ElementKind.PACKAGE)
aoqi@0 98 throw new RuntimeException("class owner should be a package: " + owner);
aoqi@0 99 if (owner.getAnnotationMirrors().size() != 1)
aoqi@0 100 throw new RuntimeException("the owner package should have one annotation: " + owner);
aoqi@0 101 }
aoqi@0 102 }
aoqi@0 103 }
aoqi@0 104
aoqi@0 105 }

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