|
/*
* Copyright (c) 2021, 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 8271079
* @summary JavaFileObject#toUri in MR-JAR returns real path
* @modules java.compiler
* jdk.compiler
* @run main T8271079
*/
import java.io.*;
import java.net.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.*;
import java.util.*;
import java.util.jar.JarEntry;
import javax.tools.*;
public class T8271079 {
public static void main(String[] args) throws Exception {
new T8271079().run();
}
final PrintStream out;
T8271079() {
this.out = System.out;
}
void run() throws Exception {
Path mr = generateMultiReleaseJar();
try {
testT8271079(mr);
} finally {
Files.deleteIfExists(mr);
}
}
// $ echo 'module hello {}' > module-info.java
// $ javac -d classes --release 9 module-info.java
// $ jar --create --file mr.jar --release 9 -C classes .
Path generateMultiReleaseJar() throws Exception {
Files.writeString(Path.of("module-info.java"), "module hello {}");
java.util.spi.ToolProvider.findFirst("javac").orElseThrow()
.run(out, System.err, "-d", "classes", "--release", "9", "module-info.java");
Path mr = Path.of("mr.jar");
java.util.spi.ToolProvider.findFirst("jar").orElseThrow()
.run(out, System.err, "--create", "--file", mr.toString(), "--release", "9", "-C", "classes", ".");
out.println("Created: " + mr.toUri());
out.println(" Exists: " + Files.exists(mr));
return mr;
}
void testT8271079(Path path) throws Exception {
StandardJavaFileManager fileManager =
ToolProvider.getSystemJavaCompiler()
.getStandardFileManager(null, Locale.ENGLISH, StandardCharsets.UTF_8);
fileManager.setLocationFromPaths(StandardLocation.CLASS_PATH, List.of(path));
Iterator<String> options = Arrays.asList("--multi-release", "9").iterator();
fileManager.handleOption(options.next(), options);
Iterable<JavaFileObject> list =
fileManager.list(
StandardLocation.CLASS_PATH, "", EnumSet.allOf(JavaFileObject.Kind.class), false);
for (JavaFileObject f : list) {
out.println("JavaFileObject#getName: " + f.getName());
out.println("JavaFileObject#toUri: " + f.toUri());
openUsingUri(f.toUri());
}
System.gc(); // JDK-8224794
}
void openUsingUri(URI uri) throws IOException {
URLConnection connection = uri.toURL().openConnection();
connection.setUseCaches(false); // JDK-8224794
if (connection instanceof JarURLConnection jar) {
try {
JarEntry entry = jar.getJarEntry();
out.println("JarEntry#getName: " + entry.getName());
connection.getInputStream().close(); // JDK-8224794
} catch (FileNotFoundException e) {
throw e;
}
}
}
}
¤ Dauer der Verarbeitung: 0.28 Sekunden
(vorverarbeitet)
¤
|
Haftungshinweis
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung ist noch experimentell.
|
