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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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23 
24 /* @test
25  * @bug 6929404
26  * @summary Filer.getResource(SOURCE_PATH, ...) does not work when -sourcepath contains >1 entry
27  * @library /tools/javac/lib
28  */
29 
30 import java.io.*;
31 import java.security.*;
32 import java.util.*;
33 import javax.annotation.processing.*;
34 import javax.lang.model.*;
35 import javax.lang.model.element.*;
36 import javax.tools.*;
37 import javax.tools.Diagnostic.Kind;
38 import javax.tools.JavaCompiler.CompilationTask;
39 
40 public class TestGetResource2 {
41 
main(String[] args)42     public static void main(String[] args) throws Exception {
43         new TestGetResource2().run();
44     }
45 
run()46     void run() throws Exception {
47         JavaCompiler javac = ToolProvider.getSystemJavaCompiler();
48         CodeSource cs = javac.getClass().getProtectionDomain().getCodeSource();
49         if (cs == null) {
50             System.err.println("got compiler from " +
51                 ClassLoader.getSystemResource(javac.getClass().getName().replace(".", "/")+".class"));
52         } else {
53             System.err.println("got compiler from " + cs.getLocation());
54         }
55 
56         testSingleSourceDir(javac);
57         testCompositeSourcePath(javac);
58         testMissingResource(javac);
59     }
60 
testSingleSourceDir(JavaCompiler javac)61     private void testSingleSourceDir(JavaCompiler javac) throws Exception {
62         System.err.println("testSingleSourceDir");
63         File tmpdir = new File("testSingleSourceDir");
64         File srcdir = new File(tmpdir, "src");
65         File destdir = new File(tmpdir, "dest");
66         write(srcdir, "pkg/X.java", "package pkg; class X {}");
67         write(srcdir, "resources/file.txt", "hello");
68         destdir.mkdirs();
69 
70         CompilationTask task = javac.getTask(null, null, null,
71                 Arrays.asList("-sourcepath", srcdir.toString(), "-d", destdir.toString()),
72                 Collections.singleton("pkg.X"), null);
73         task.setProcessors(Collections.singleton(new AnnoProc()));
74         boolean result = task.call();
75         System.err.println("javac result with single source dir: " + result);
76         expect(result, true);
77     }
78 
testCompositeSourcePath(JavaCompiler javac)79     private void testCompositeSourcePath(JavaCompiler javac) throws Exception {
80         System.err.println("testCompositeSearchPath");
81         File tmpdir = new File("testCompositeSourcePath");
82         File srcdir = new File(tmpdir, "src");
83         File rsrcdir = new File(tmpdir, "rsrc");
84         File destdir = new File(tmpdir, "dest");
85         write(srcdir, "pkg/X.java", "package pkg; class X {}");
86         write(rsrcdir, "resources/file.txt", "hello");
87         destdir.mkdirs();
88 
89         CompilationTask task = javac.getTask(null, null, null,
90                 Arrays.asList("-sourcepath", srcdir + File.pathSeparator + rsrcdir, "-d", destdir.toString()),
91                 Collections.singleton("pkg.X"), null);
92         task.setProcessors(Collections.singleton(new AnnoProc()));
93         boolean result = task.call();
94         System.err.println("javac result with composite source path: " + result);
95         expect(result, true);
96     }
97 
testMissingResource(JavaCompiler javac)98     private void testMissingResource(JavaCompiler javac) throws Exception {
99         System.err.println("testMissingResource");
100         File tmpdir = new File("testMissingResource");
101         File srcdir = new File(tmpdir, "src");
102         File destdir = new File(tmpdir, "dest");
103         write(srcdir, "pkg/X.java", "package pkg; class X {}");
104         destdir.mkdirs();
105 
106         CompilationTask task = javac.getTask(null, null, null,
107                 Arrays.asList("-sourcepath", srcdir.toString(), "-d", destdir.toString()),
108                 Collections.singleton("pkg.X"), null);
109         task.setProcessors(Collections.singleton(new AnnoProc()));
110         boolean result = task.call();
111         System.err.println("javac result when missing resource: " + result);
112         expect(result, false);
113 
114         if (errors > 0)
115             throw new Exception(errors + " errors occurred");
116     }
117 
118     static class AnnoProc extends JavacTestingAbstractProcessor {
119 
process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv)120         public @Override boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
121             if (roundEnv.processingOver()) {
122                 return false;
123             }
124 
125             try {
126                 FileObject resource = filer.getResource(StandardLocation.SOURCE_PATH, "resources", "file.txt");
127                 try {
128                     resource.openInputStream().close();
129                     messager.printMessage(Kind.NOTE, "found: " + resource.toUri());
130                     return true;
131                 } catch (IOException x) {
132                     messager.printMessage(Kind.ERROR, "could not read: " + resource.toUri());
133                     x.printStackTrace();
134                 }
135             } catch (IOException x) {
136                 messager.printMessage(Kind.ERROR, "did not find resource");
137                 x.printStackTrace();
138             }
139 
140             return false;
141         }
142 
143     }
144 
write(File dir, String path, String contents)145     private File write(File dir, String path, String contents) throws IOException {
146         File f = new File(dir, path);
147         f.getParentFile().mkdirs();
148         Writer w = new FileWriter(f);
149         try {
150             w.write(contents);
151         } finally {
152             w.close();
153         }
154         return f;
155     }
156 
expect(boolean val, boolean expect)157     void expect(boolean val, boolean expect) {
158         if (val != expect)
159             error("Unexpected value: " + val + "; expected: " + expect);
160     }
161 
error(String msg)162     void error(String msg) {
163         System.err.println(msg);
164         errors++;
165     }
166 
167     int errors = 0;
168 }
169