TestPackageElement.java

/*
 * Copyright 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 6449798 6399404
 * @summary Test basic workings of PackageElement
 * @author  Joseph D. Darcy
 * @build TestPackageElement
 * @compile -processor TestPackageElement -proc:only TestPackageElement.java
 */

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

/**
 * Test basic workings of PackageElement.
 */
@SupportedAnnotationTypes("*")
public class TestPackageElement extends AbstractProcessor {
    private Filer filer;
    private Elements eltUtils;

    public boolean process(Set<? extends TypeElement> annotations,
                           RoundEnvironment roundEnv) {
        if (!roundEnv.processingOver()) {
            PackageElement unnamedPkg = eltUtils.getPackageElement("");

            if (!unnamedPkg.getQualifiedName().contentEquals(""))
                throw new RuntimeException("The unnamed package is named!");

            // The next line tests an implementation detail upon which
            // some diagnostics depend.
            if (!unnamedPkg.toString().equals("unnamed package"))
                throw new RuntimeException(
                                "toString on unnamed package: " + unnamedPkg);

            if (!unnamedPkg.isUnnamed())
                throw new RuntimeException("The isUnnamed method on the unnamed package returned false!");

            PackageElement javaLang = eltUtils.getPackageElement("java.lang");
            if (javaLang.isUnnamed())
                throw new RuntimeException("Package java.lang is unnamed!");
        }
        return true;
    }

    public SourceVersion getSupportedSourceVersion() {
        return SourceVersion.latest();
    }

    public void init(ProcessingEnvironment processingEnv) {
        super.init(processingEnv);
        filer    = processingEnv.getFiler();
        eltUtils = processingEnv.getElementUtils();
    }

}