ClassProcessor.java revision 698:d2aaaec153e8 
1/*
2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import java.io.*;
25import java.util.*;
26import javax.annotation.processing.*;
27import javax.lang.model.element.*;
28import javax.lang.model.SourceVersion;
29import javax.tools.Diagnostic.Kind;
30
31/*
32 * @test
33 * @bug 6499119
34 * @summary Created package-info class file modeled improperly
35 * @library ../../lib
36 * @build   JavacTestingAbstractProcessor
37 * @compile ClassProcessor.java package-info.java
38 * @compile/process -cp . -processor ClassProcessor -Akind=java  java.lang.Object
39 * @compile/process -cp . -processor ClassProcessor -Akind=class java.lang.Object
40 */
41
42@SupportedOptions({ "gen", "expect" })
43public class ClassProcessor extends JavacTestingAbstractProcessor {
44    int round = 1;
45
46    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
47        if (round == 1) {
48            System.out.println("-- Round 1 --");
49            createPackageFile();
50        } else if (round == 2) {
51            boolean found_foo_A = false;
52            System.out.println("-- Round 2 --");
53            for(Element e: roundEnv.getRootElements()) {
54                System.out.println("ElementKind: " + e.getKind());
55                System.out.println("Modifiers:   " + e.getModifiers());
56                System.out.println("Annotations: " + e.getAnnotationMirrors());
57                if (e.getAnnotationMirrors().toString().equals("@foo.A")) {
58                    found_foo_A = true;
59                    checkEqual("ElementKind", e.getKind().toString(), "PACKAGE");
60                    checkEqual("Modifiers",   e.getModifiers().toString(), "[]");
61                }
62            }
63            if (!found_foo_A)
64                error("did not find @foo.A");
65        }
66        round++;
67        return true;
68    }
69
70    private void createPackageFile() {
71        String kind = processingEnv.getOptions().get("kind");
72
73        File pkgInfo;
74        if (kind.equals("java"))
75            pkgInfo = new File(System.getProperty("test.src"),     "package-info.java");
76        else
77            pkgInfo = new File(System.getProperty("test.classes"), "foo/package-info.class");
78
79        byte[] bytes = new byte[(int) pkgInfo.length()];
80        DataInputStream in = null;
81        try {
82            in = new DataInputStream(new FileInputStream(pkgInfo));
83            in.readFully(bytes);
84        } catch (IOException ioe) {
85            error("Couldn't read package info file: " + ioe);
86        } finally {
87            if(in != null) {
88                try {
89                    in.close();
90                } catch (IOException e) {
91                    error("InputStream closing failed: " + e);
92                }
93            }
94        }
95
96        OutputStream out = null;
97        try {
98            if (kind.equals("java"))
99                out = filer.createSourceFile("foo.package-info").openOutputStream();
100            else
101                out = filer.createClassFile("foo.package-info").openOutputStream();
102            out.write(bytes, 0, bytes.length);
103        } catch (IOException ioe) {
104            error("Couldn't create package info file: " + ioe);
105        } finally {
106            if(out != null) {
107                try {
108                    out.close();
109                } catch (IOException e) {
110                    error("OutputStream closing failed: " + e);
111                }
112            }
113        }
114    }
115
116    private void checkEqual(String label, String actual, String expect) {
117        if (!actual.equals(expect)) {
118            error("Unexpected value for " + label + "; actual=" + actual + ", expected=" + expect);
119        }
120    }
121
122    private void error(String msg) {
123        messager.printMessage(Kind.ERROR, msg);
124    }
125}
126
127