messagerbasics.java

来自「是一款用JAVA 编写的编译器 具有很强的编译功能」· Java 代码 · 共 59 行

/*
 * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 */

/*
 * @test
 * @bug     6341173 6341072
 * @summary Test presence of Messager methods
 * @author  Joseph D. Darcy
 * @compile MessagerBasics.java
 * @compile -processor MessagerBasics -proc:only MessagerBasics.java
 * @compile/fail -processor MessagerBasics -proc:only -AfinalError MessagerBasics.java
 * @compile -processor MessagerBasics MessagerBasics.java
 * @compile/fail -processor MessagerBasics -AfinalError MessagerBasics.java
 */

import java.util.Set;
import javax.annotation.processing.*;
import javax.lang.model.element.*;
import javax.lang.model.util.*;
import static javax.tools.Diagnostic.Kind.*;

@SupportedAnnotationTypes("*")
@SupportedOptions("finalError")
public class MessagerBasics extends AbstractProcessor {
    public boolean process(Set<? extends TypeElement> annotations,
			   RoundEnvironment roundEnv) {
	Messager m = processingEnv.getMessager();
	if (roundEnv.processingOver()) {
	    if (processingEnv.getOptions().containsKey("finalError")) 
		m.printMessage(ERROR,	"Does not compute");
	    else {
		m.printMessage(NOTE,	"Post no bills");
		m.printMessage(WARNING,	"Beware the ides of March!");
	    }
	}
	return true;
    }
}