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test/tools/javac/processing/6350124/HelloWorldAP.java@959103a6100f (annotated)

test/tools/javac/processing/6350124/HelloWorldAP.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) 2006, 2007, 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	import java.io.*;
aoqi@0	25	import javax.annotation.processing.*;
aoqi@0	26	import javax.lang.model.element.*;
aoqi@0	27	import javax.lang.model.type.*;
aoqi@0	28	import javax.lang.model.util.*;
aoqi@0	29	import static javax.tools.Diagnostic.Kind.*;
aoqi@0	30
aoqi@0	31	import java.util.Set;
aoqi@0	32
aoqi@0	33	@SupportedAnnotationTypes({"*"})
aoqi@0	34	public class HelloWorldAP extends AbstractProcessor {
aoqi@0	35	Messager msgr = null;
aoqi@0	36	Filer filer = null;
aoqi@0	37	boolean DONE=false;
aoqi@0	38
aoqi@0	39	@Override
aoqi@0	40	public void init(ProcessingEnvironment penv) {
aoqi@0	41	processingEnv = penv;
aoqi@0	42	msgr=penv.getMessager();
aoqi@0	43	filer=penv.getFiler();
aoqi@0	44	}
aoqi@0	45
aoqi@0	46	public boolean process(Set<? extends TypeElement> tes, RoundEnvironment renv ) {
aoqi@0	47	boolean ret = true;
aoqi@0	48	if(!renv.processingOver() && !DONE) {
aoqi@0	49	msgr.printMessage(NOTE, "running process to create HelloWorld.");
aoqi@0	50	try {
aoqi@0	51	Writer pw = filer.createSourceFile("HelloWorld").openWriter();
aoqi@0	52	pw.write("public class HelloWorld {\n");
aoqi@0	53	pw.write(" public static void main (String argv[]) {\n");
aoqi@0	54	pw.write(" System.out.println(\"Hello apt world.\");\n");
aoqi@0	55	pw.write(" }\n");
aoqi@0	56	pw.write("}\n");
aoqi@0	57	pw.flush();
aoqi@0	58	pw.close();
aoqi@0	59
aoqi@0	60	OutputStream os = filer.createClassFile("HelloWorldAP").openOutputStream();
aoqi@0	61	// the easiest way to create a class file is to copy another one
aoqi@0	62	InputStream is = getClass().getResourceAsStream("HelloWorldAP.class");
aoqi@0	63	copy(is, os);
aoqi@0	64	is.close();
aoqi@0	65	os.flush();
aoqi@0	66	os.close();
aoqi@0	67	DONE=true;
aoqi@0	68	}
aoqi@0	69	catch (IOException ioe) {
aoqi@0	70	msgr.printMessage(ERROR, ioe.getMessage());
aoqi@0	71	ret = false;
aoqi@0	72	}
aoqi@0	73	catch (Exception e) {
aoqi@0	74	msgr.printMessage(ERROR, e.getMessage());
aoqi@0	75	ret = false;
aoqi@0	76	}
aoqi@0	77	}
aoqi@0	78	return ret;
aoqi@0	79	}
aoqi@0	80
aoqi@0	81	void copy(InputStream is, OutputStream os) throws IOException {
aoqi@0	82	byte[] buf = new byte[8192];
aoqi@0	83	int n;
aoqi@0	84	while ((n = is.read(buf, 0, buf.length)) > 0)
aoqi@0	85	os.write(buf, 0, n);
aoqi@0	86	}
aoqi@0	87	}