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test/tools/javac/processing/loader/testClose/TestClose2.java@b0d5f00e69f7 (annotated)

test/tools/javac/processing/loader/testClose/TestClose2.java

Wed, 21 Sep 2011 21:56:53 -0700

author

jjg

date

Wed, 21 Sep 2011 21:56:53 -0700

changeset 1096

b0d5f00e69f7

parent 0

959103a6100f

permissions

-rw-r--r--

7092965: javac should not close processorClassLoader before end of compilation
Reviewed-by: darcy

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2011, 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
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 7092965
aoqi@0	27	* @summary javac should not close processorClassLoader before end of compilation
aoqi@0	28	*/
aoqi@0	29
aoqi@0	30	import com.sun.source.util.JavacTask;
aoqi@0	31	import com.sun.source.util.TaskEvent;
aoqi@0	32	import com.sun.source.util.TaskListener;
aoqi@0	33	import com.sun.tools.javac.api.JavacTool;
aoqi@0	34	import com.sun.tools.javac.file.JavacFileManager;
aoqi@0	35	import com.sun.tools.javac.util.Context;
aoqi@0	36	import java.io.File;
aoqi@0	37	import java.io.IOException;
aoqi@0	38	import java.net.URL;
aoqi@0	39	import java.net.URLClassLoader;
aoqi@0	40	import java.util.Arrays;
aoqi@0	41	import java.util.Collections;
aoqi@0	42	import java.util.List;
aoqi@0	43	import java.util.Set;
aoqi@0	44	import javax.annotation.processing.AbstractProcessor;
aoqi@0	45	import javax.annotation.processing.Messager;
aoqi@0	46	import javax.annotation.processing.RoundEnvironment;
aoqi@0	47	import javax.annotation.processing.SupportedAnnotationTypes;
aoqi@0	48	import javax.lang.model.SourceVersion;
aoqi@0	49	import javax.lang.model.element.TypeElement;
aoqi@0	50	import javax.tools.Diagnostic;
aoqi@0	51	import javax.tools.JavaFileObject;
aoqi@0	52	import javax.tools.StandardJavaFileManager;
aoqi@0	53	import javax.tools.StandardLocation;
aoqi@0	54	import javax.tools.ToolProvider;
aoqi@0	55
aoqi@0	56	@SupportedAnnotationTypes("*")
aoqi@0	57	public class TestClose2 extends AbstractProcessor implements TaskListener {
aoqi@0	58
aoqi@0	59	public static void main(String... args) throws Exception {
aoqi@0	60	new TestClose2().run();
aoqi@0	61	}
aoqi@0	62
aoqi@0	63	void run() throws IOException {
aoqi@0	64	File testSrc = new File(System.getProperty("test.src"));
aoqi@0	65	File testClasses = new File(System.getProperty("test.classes"));
aoqi@0	66
aoqi@0	67	JavacTool tool = (JavacTool) ToolProvider.getSystemJavaCompiler();
aoqi@0	68	final ClassLoader cl = getClass().getClassLoader();
aoqi@0	69	Context c = new Context();
aoqi@0	70	StandardJavaFileManager fm = new JavacFileManager(c, true, null) {
aoqi@0	71	@Override
aoqi@0	72	protected ClassLoader getClassLoader(URL[] urls) {
aoqi@0	73	return new URLClassLoader(urls, cl) {
aoqi@0	74	@Override
aoqi@0	75	public void close() throws IOException {
aoqi@0	76	System.err.println(getClass().getName() + " closing");
aoqi@0	77	TestClose2.this.closedCount++;
aoqi@0	78	TestClose2.this.closedIsLast = true;
aoqi@0	79	super.close();
aoqi@0	80	}
aoqi@0	81	};
aoqi@0	82	}
aoqi@0	83	};
aoqi@0	84
aoqi@0	85	fm.setLocation(StandardLocation.CLASS_OUTPUT,
aoqi@0	86	Collections.singleton(new File(".")));
aoqi@0	87	fm.setLocation(StandardLocation.ANNOTATION_PROCESSOR_PATH,
aoqi@0	88	Collections.singleton(testClasses));
aoqi@0	89	Iterable<? extends JavaFileObject> files =
aoqi@0	90	fm.getJavaFileObjects(new File(testSrc, TestClose2.class.getName() + ".java"));
aoqi@0	91	List<String> options = Arrays.asList(
aoqi@0	92	"-processor", TestClose2.class.getName());
aoqi@0	93
aoqi@0	94	JavacTask task = tool.getTask(null, fm, null, options, null, files);
aoqi@0	95	task.setTaskListener(this);
aoqi@0	96
aoqi@0	97	if (!task.call())
aoqi@0	98	throw new Error("compilation failed");
aoqi@0	99
aoqi@0	100	if (closedCount == 0)
aoqi@0	101	throw new Error("no closing message");
aoqi@0	102	else if (closedCount > 1)
aoqi@0	103	throw new Error(closedCount + " closed messages");
aoqi@0	104
aoqi@0	105	if (!closedIsLast)
aoqi@0	106	throw new Error("closing message not last");
aoqi@0	107	}
aoqi@0	108
aoqi@0	109	// AbstractProcessor methods
aoqi@0	110
aoqi@0	111	@Override
aoqi@0	112	public SourceVersion getSupportedSourceVersion() {
aoqi@0	113	return SourceVersion.latest();
aoqi@0	114	}
aoqi@0	115
aoqi@0	116	@Override
aoqi@0	117	public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
aoqi@0	118	Messager messager = processingEnv.getMessager();
aoqi@0	119	messager.printMessage(Diagnostic.Kind.NOTE, "processing");
aoqi@0	120	return true;
aoqi@0	121	}
aoqi@0	122
aoqi@0	123	// TaskListener methods
aoqi@0	124
aoqi@0	125	@Override
aoqi@0	126	public void started(TaskEvent e) {
aoqi@0	127	System.err.println("Started: " + e);
aoqi@0	128	closedIsLast = false;
aoqi@0	129	}
aoqi@0	130
aoqi@0	131	@Override
aoqi@0	132	public void finished(TaskEvent e) {
aoqi@0	133	System.err.println("Finished: " + e);
aoqi@0	134	closedIsLast = false;
aoqi@0	135	}
aoqi@0	136
aoqi@0	137	//
aoqi@0	138
aoqi@0	139	int closedCount = 0;
aoqi@0	140	boolean closedIsLast = false;
aoqi@0	141	}