• file
• revisions
• annotate
• diff
• comparison
• raw

test/tools/javac/annotations/typeAnnotations/TypeProcOnly.java@959103a6100f (annotated)

test/tools/javac/annotations/typeAnnotations/TypeProcOnly.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.io.*;
aoqi@0	24	import java.util.Set;
aoqi@0	25	import java.util.HashSet;
aoqi@0	26
aoqi@0	27	import javax.annotation.processing.*;
aoqi@0	28	import javax.lang.model.SourceVersion;
aoqi@0	29	import javax.lang.model.element.*;
aoqi@0	30	import javax.lang.model.util.ElementFilter;
aoqi@0	31
aoqi@0	32	import com.sun.source.util.JavacTask;
aoqi@0	33	import com.sun.source.util.TaskEvent;
aoqi@0	34	import com.sun.source.util.TaskListener;
aoqi@0	35	import com.sun.tools.javac.main.JavaCompiler;
aoqi@0	36	import com.sun.tools.javac.processing.JavacProcessingEnvironment;
aoqi@0	37	import com.sun.tools.javac.util.Context;
aoqi@0	38
aoqi@0	39	import static com.sun.tools.javac.comp.CompileStates.CompileState;
aoqi@0	40
aoqi@0	41	/*
aoqi@0	42	* @test
aoqi@0	43	* @summary test that type processors are run when -proc:only is passed.
aoqi@0	44	* This class implements the functionality of a type processor, as previously
aoqi@0	45	* embodied by the AbstractTypeProcessor class.
aoqi@0	46	*
aoqi@0	47	* @author Mahmood Ali
aoqi@0	48	* @author Werner Dietl
aoqi@0	49	*/
aoqi@0	50	@SupportedAnnotationTypes("*")
aoqi@0	51	public class TypeProcOnly extends AbstractProcessor {
aoqi@0	52	private static final String INDICATOR = "INDICATOR";
aoqi@0	53
aoqi@0	54	private final AttributionTaskListener listener = new AttributionTaskListener();
aoqi@0	55	private final Set<Name> elements = new HashSet<Name>();
aoqi@0	56
aoqi@0	57	@Override
aoqi@0	58	public final void init(ProcessingEnvironment env) {
aoqi@0	59	super.init(env);
aoqi@0	60	JavacTask.instance(env).addTaskListener(listener);
aoqi@0	61	Context ctx = ((JavacProcessingEnvironment)processingEnv).getContext();
aoqi@0	62	JavaCompiler compiler = JavaCompiler.instance(ctx);
aoqi@0	63	compiler.shouldStopPolicyIfNoError = CompileState.max(
aoqi@0	64	compiler.shouldStopPolicyIfNoError,
aoqi@0	65	CompileState.FLOW);
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	@Override
aoqi@0	69	public final boolean process(Set<? extends TypeElement> annotations,
aoqi@0	70	RoundEnvironment roundEnv) {
aoqi@0	71	for (TypeElement elem : ElementFilter.typesIn(roundEnv.getRootElements())) {
aoqi@0	72	elements.add(elem.getQualifiedName());
aoqi@0	73	}
aoqi@0	74	return false;
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	@Override
aoqi@0	78	public SourceVersion getSupportedSourceVersion() {
aoqi@0	79	return SourceVersion.latest();
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	private final class AttributionTaskListener implements TaskListener {
aoqi@0	83	@Override
aoqi@0	84	public void started(TaskEvent e) { }
aoqi@0	85
aoqi@0	86	@Override
aoqi@0	87	public void finished(TaskEvent e) {
aoqi@0	88	if (e.getKind() != TaskEvent.Kind.ANALYZE)
aoqi@0	89	return;
aoqi@0	90
aoqi@0	91	if (!elements.remove(e.getTypeElement().getQualifiedName()))
aoqi@0	92	return;
aoqi@0	93
aoqi@0	94	System.out.println(INDICATOR);
aoqi@0	95	}
aoqi@0	96	}
aoqi@0	97
aoqi@0	98
aoqi@0	99	private static File writeTestFile() throws IOException {
aoqi@0	100	File f = new File("Test.java");
aoqi@0	101	PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
aoqi@0	102	out.println("class Test { }");
aoqi@0	103	out.close();
aoqi@0	104	return f;
aoqi@0	105	}
aoqi@0	106
aoqi@0	107	public static void main(String[] args) throws Exception {
aoqi@0	108	PrintStream prevOut = System.out;
aoqi@0	109
aoqi@0	110	ByteArrayOutputStream bytes = new ByteArrayOutputStream();
aoqi@0	111	PrintStream out = new PrintStream(bytes);
aoqi@0	112	System.setOut(out);
aoqi@0	113
aoqi@0	114	try {
aoqi@0	115	File f = writeTestFile();
aoqi@0	116	com.sun.tools.javac.Main.compile(new String[] {"-proc:only", "-processor", "TypeProcOnly", f.getAbsolutePath()});
aoqi@0	117	} finally {
aoqi@0	118	System.setOut(prevOut);
aoqi@0	119	}
aoqi@0	120
aoqi@0	121	if (bytes.toString().trim().equals(INDICATOR)) {
aoqi@0	122	System.out.println("PASSED");
aoqi@0	123	} else {
aoqi@0	124	throw new Exception("Processor did not run correctly. Output: " + bytes);
aoqi@0	125	}
aoqi@0	126	}
aoqi@0	127	}