T7068437.java revision 2675:4be0e35f385a 
1/*
2 * Copyright (c) 2011, 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
24/*
25 * @test
26 * @bug 7068437
27 * @summary Filer.getResource(SOURCE_OUTPUT, ...) no longer works in JDK 7 w/o -s
28 */
29
30import java.io.FileNotFoundException;
31import java.io.IOException;
32import java.io.Writer;
33import java.util.Arrays;
34import java.util.Collections;
35import java.util.Map;
36import java.util.Set;
37import javax.annotation.processing.AbstractProcessor;
38import javax.annotation.processing.Filer;
39import javax.annotation.processing.Messager;
40import javax.annotation.processing.RoundEnvironment;
41import javax.annotation.processing.SupportedAnnotationTypes;
42import javax.annotation.processing.SupportedOptions;
43import javax.annotation.processing.SupportedSourceVersion;
44import javax.lang.model.SourceVersion;
45import javax.lang.model.element.TypeElement;
46import javax.tools.Diagnostic.Kind;
47import javax.tools.JavaCompiler;
48import javax.tools.JavaCompiler.CompilationTask;
49import javax.tools.StandardLocation;
50import javax.tools.ToolProvider;
51
52public class T7068437 {
53    public static void main(String[] args) throws Exception {
54        new T7068437().run();
55    }
56
57    void run() throws Exception {
58        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
59        System.err.println("using " + compiler.getClass()
60                + " from " + compiler.getClass().getProtectionDomain().getCodeSource());
61
62        CompilationTask task = compiler.getTask(null, null, null,
63                Collections.singleton("-proc:only"),
64                Collections.singleton("java.lang.Object"),
65                null);
66        task.setProcessors(Collections.singleton(new Proc()));
67        check("compilation", task.call());
68
69        task = compiler.getTask(null, null, null,
70                Arrays.asList("-proc:only", "-AexpectFile"),
71                Collections.singleton("java.lang.Object"),
72                null);
73        task.setProcessors(Collections.singleton(new Proc()));
74        check("compilation", task.call());
75    }
76
77    void check(String msg, boolean ok) {
78        System.err.println(msg + ": " + (ok ? "ok" : "failed"));
79        if (!ok)
80            throw new AssertionError(msg);
81    }
82
83    @SupportedAnnotationTypes("*")
84    @SupportedOptions("expectFile")
85    private static class Proc extends AbstractProcessor {
86        int count;
87
88        @Override
89        public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
90            if (roundEnv.processingOver() || count++ > 0) {
91                return false;
92            }
93
94            Filer filer = processingEnv.getFiler();
95            Messager messager = processingEnv.getMessager();
96            Map<String, String> options = processingEnv.getOptions();
97                System.err.println(options);
98            boolean expectFile = options.containsKey("expectFile");
99
100            System.err.println("running Proc: expectFile=" + expectFile);
101
102            boolean found;
103            try {
104                messager.printMessage(Kind.NOTE, "found previous content of length " +
105                        filer.getResource(StandardLocation.SOURCE_OUTPUT, "p", "C.java").getCharContent(false).length());
106                found = true;
107            } catch (FileNotFoundException x) {
108                messager.printMessage(Kind.NOTE, "not previously there");
109                found = false;
110            } catch (IOException x) {
111                messager.printMessage(Kind.ERROR, "while reading: " + x);
112                found = false;
113            }
114
115            if (expectFile && !found) {
116                messager.printMessage(Kind.ERROR, "expected file but file not found");
117            }
118
119            try {
120                Writer w = filer.createSourceFile("p.C").openWriter();
121                w.write("/* hello! */ package p; class C {}");
122                w.close();
123                messager.printMessage(Kind.NOTE, "wrote new content");
124            } catch (IOException x) {
125                messager.printMessage(Kind.ERROR, "while writing: " + x);
126            }
127
128            return true;
129        }
130
131        @Override
132        public SourceVersion getSupportedSourceVersion() {
133            return SourceVersion.latest();
134        }
135    }
136}
137