TestValidRelativeNames.java revision 1465:b52a38d4536c 
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
24/*
25 * @test
26 * @bug 6999891
27 * @summary Test valid relative names for Filer.createResource and Filer.getResource
28 * @library /tools/javac/lib
29 * @build   JavacTestingAbstractProcessor
30 * @compile TestValidRelativeNames.java
31 * @compile/process -processor TestValidRelativeNames -Amode=create java.lang.Object
32 * @compile/process -processor TestValidRelativeNames -Amode=get    java.lang.Object
33 */
34
35import java.io.*;
36import java.util.*;
37import javax.annotation.processing.*;
38import javax.lang.model.*;
39import javax.lang.model.element.*;
40import javax.tools.Diagnostic;
41import javax.tools.StandardLocation;
42
43@SupportedOptions("mode")
44public class TestValidRelativeNames extends JavacTestingAbstractProcessor {
45    enum Kind { READER_WRITER, INPUT_OUTPUT_STREAM };
46
47    static final String[] validRelativeNames = {
48            "foo", "foo.bar", ".foo", ".foo.bar", "foodir/bar", "foodir/.bar"
49    };
50
51    public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
52        if (roundEnv.processingOver()) {
53            String mode = options.get("mode");
54            for (String relativeBase: validRelativeNames) {
55                for (Kind kind: Kind.values()) {
56                    if (mode.equals("create"))
57                        testCreate(relativeBase, kind);
58                    else
59                        testGet(relativeBase, kind);
60                }
61            }
62        }
63
64        return true;
65    }
66
67    void testCreate(String relativeBase, Kind kind) {
68        String relative = getRelative(relativeBase, kind);
69        System.out.println("test create relative path: " + relative + ", kind: " + kind);
70        try {
71            switch (kind) {
72                case READER_WRITER:
73                    try (Writer writer = filer.createResource(
74                            StandardLocation.CLASS_OUTPUT, "", relative).openWriter()) {
75                        writer.write(relative);
76                    }
77                    break;
78
79                case INPUT_OUTPUT_STREAM:
80                    try (OutputStream out = filer.createResource(
81                            StandardLocation.CLASS_OUTPUT, "", relative).openOutputStream()) {
82                        out.write(relative.getBytes());
83                    }
84                    break;
85            }
86        } catch (Exception e) {
87            messager.printMessage(Diagnostic.Kind.ERROR,
88                    "relative path: " + relative + ", kind: " + kind + ", unexpected exception: " + e);
89        }
90    }
91
92    void testGet(String relativeBase, Kind kind) {
93        String relative = getRelative(relativeBase, kind);
94        System.out.println("test get relative path: " + relative + ", kind: " + kind);
95        try {
96            switch (kind) {
97                case READER_WRITER:
98                    try (Reader reader = new BufferedReader(filer.getResource(
99                            StandardLocation.CLASS_OUTPUT, "", relative).openReader(true))) {
100                        StringBuilder sb = new StringBuilder();
101                        char[] buf = new char[1024];
102                        int n;
103                        while ((n = reader.read(buf, 0, buf.length)) > 0)
104                            sb.append(new String(buf, 0, n));
105                        if (!sb.toString().equals(relative)) {
106                            messager.printMessage(Diagnostic.Kind.ERROR, "unexpected content: " + sb);
107                        }
108                    }
109                    break;
110
111                case INPUT_OUTPUT_STREAM:
112                    try (InputStream in = new DataInputStream(filer.getResource(
113                            StandardLocation.CLASS_OUTPUT, "", relative).openInputStream())) {
114                        StringBuilder sb = new StringBuilder();
115                        byte[] buf = new byte[1024];
116                        int n;
117                        while ((n = in.read(buf, 0, buf.length)) > 0)
118                            sb.append(new String(buf, 0, n));
119                        if (!sb.toString().equals(relative)) {
120                            messager.printMessage(Diagnostic.Kind.ERROR, "unexpected content: " + sb);
121                        }
122                    }
123                    break;
124            }
125        } catch (Exception e) {
126            messager.printMessage(Diagnostic.Kind.ERROR,
127                    "relative path: " + relative + ", kind: " + kind + ", unexpected exception: " + e);
128        }
129    }
130
131    String getRelative(String relativeBase, Kind kind) {
132        String suffix = (kind == Kind.READER_WRITER ? "RW" : "IOS");
133        return relativeBase.replace("foo", "foo" + suffix);
134    }
135}
136
137