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/*
* Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8037085
* @summary Ensures that sjavac can handle various exclusion patterns.
*
* @modules jdk.compiler/com.sun.tools.javac.main
* jdk.compiler/com.sun.tools.sjavac
* jdk.compiler/com.sun.tools.sjavac.server
* @library /tools/lib
* @build Wrapper toolbox.ToolBox toolbox.Assert
* @run main Wrapper IncludeExcludePatterns
*/
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import com.sun.tools.javac.main.Main.Result;
import toolbox.Assert;
public class IncludeExcludePatterns extends SjavacBase {
final Path SRC = Paths.get("src");
final Path BIN = Paths.get("bin");
final Path STATE_DIR = Paths.get("state-dir");
// An arbitrarily but sufficiently complicated source tree.
final Path A = Paths.get("pkga/A.java");
final Path X1 = Paths.get("pkga/subpkg/Xx.java");
final Path Y = Paths.get("pkga/subpkg/subsubpkg/Y.java");
final Path B = Paths.get("pkgb/B.java");
final Path C = Paths.get("pkgc/C.java");
final Path X2 = Paths.get("pkgc/Xx.java");
final Path[] ALL_PATHS = {A, X1, Y, B, C, X2};
public static void main(String[] ignore) throws Exception {
new IncludeExcludePatterns().runTest();
}
public void runTest() throws IOException, ReflectiveOperationException {
Files.createDirectories(BIN);
Files.createDirectories(STATE_DIR);
for (Path p : ALL_PATHS) {
writeDummyClass(p);
}
// Single file
testPattern("pkga/A.java", A);
// Leading wild cards
testPattern("*/A.java", A);
testPattern("**/Xx.java", X1, X2);
testPattern("**x.java", X1, X2);
// Wild card in middle of path
testPattern("pkga/*/Xx.java", X1);
testPattern("pkga/**/Y.java", Y);
// Trailing wild cards
testPattern("pkga/*", A);
testPattern("pkga/**", A, X1, Y);
// Multiple wildcards
testPattern("pkga/*/*/Y.java", Y);
testPattern("**/*/**", X1, Y);
}
// Given "src/pkg/subpkg/A.java" this method returns "A"
String classNameOf(Path javaFile) {
return javaFile.getFileName()
.toString()
.replace(".java", "");
}
// Puts an empty (dummy) class definition in the given path.
void writeDummyClass(Path javaFile) throws IOException {
String pkg = javaFile.getParent().toString().replace(File.separatorChar, '.');
String cls = javaFile.getFileName().toString().replace(".java", "");
toolbox.writeFile(SRC.resolve(javaFile), "package " + pkg + "; class " + cls + " {}");
}
void testPattern(String filterArgs, Path... sourcesExpectedToBeVisible)
throws ReflectiveOperationException, IOException {
testFilter("-i " + filterArgs, Arrays.asList(sourcesExpectedToBeVisible));
Set<Path> complement = new HashSet<>(Arrays.asList(ALL_PATHS));
complement.removeAll(Arrays.asList(sourcesExpectedToBeVisible));
testFilter("-x " + filterArgs, complement);
}
void testFilter(String filterArgs, Collection<Path> sourcesExpectedToBeVisible)
throws IOException, ReflectiveOperationException {
System.out.println("Testing filter: " + filterArgs);
toolbox.cleanDirectory(BIN);
toolbox.cleanDirectory(STATE_DIR);
String args = filterArgs + " " + SRC
+ " -d " + BIN
+ " --state-dir=" + STATE_DIR;
int rc = compile((Object[]) args.split(" "));
// Compilation should always pass in these tests
Assert.check(rc == Result.OK.exitCode, "Compilation failed unexpectedly.");
// The resulting .class files should correspond to the visible source files
Set<Path> result = allFilesInDir(BIN);
Set<Path> expected = correspondingClassFiles(sourcesExpectedToBeVisible);
if (!result.equals(expected)) {
System.out.println("Result:");
printPaths(result);
System.out.println("Expected:");
printPaths(expected);
Assert.error("Test case failed: " + filterArgs);
}
}
void printPaths(Collection<Path> paths) {
paths.stream()
.sorted()
.forEachOrdered(p -> System.out.println(" " + p));
}
// Given "pkg/A.java, pkg/B.java" this method returns "bin/pkg/A.class, bin/pkg/B.class"
Set<Path> correspondingClassFiles(Collection<Path> javaFiles) {
return javaFiles.stream()
.map(javaFile -> javaFile.resolveSibling(classNameOf(javaFile) + ".class"))
.map(BIN::resolve)
.collect(Collectors.toSet());
}
Set<Path> allFilesInDir(Path p) throws IOException {
try (Stream<Path> files = Files.walk(p).filter(Files::isRegularFile)) {
return files.collect(Collectors.toSet());
}
}
}
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