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 
35 import java.io.*;
36 import java.util.*;
37 import javax.annotation.processing.*;
38 import javax.lang.model.*;
39 import javax.lang.model.element.*;
40 import javax.tools.Diagnostic;
41 import javax.tools.StandardLocation;
42 
43 @SupportedOptions("mode")
44 public 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 
process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv)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 
testCreate(String relativeBase, Kind kind)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 
testGet(String relativeBase, Kind kind)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 
getRelative(String relativeBase, Kind kind)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