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 import java.nio.file.Path;
25 import java.io.BufferedReader;
26 import java.io.ByteArrayOutputStream;
27 import java.io.Closeable;
28 import java.io.File;
29 import java.io.FileFilter;
30 import java.io.FileOutputStream;
31 import java.io.IOException;
32 import java.io.InputStream;
33 import java.io.InputStreamReader;
34 import java.io.PrintStream;
35 import java.nio.charset.Charset;
36 import java.nio.file.Files;
37 import java.util.ArrayList;
38 import java.util.Arrays;
39 import java.util.Collections;
40 import java.util.List;
41 import java.util.Map;
42 import java.util.jar.JarFile;
43 import java.util.jar.JarOutputStream;
44 import java.util.jar.Pack200;
45 import java.util.zip.ZipEntry;
46 import java.util.zip.ZipFile;
47
48 import static java.nio.file.StandardCopyOption.*;
49 import static java.nio.file.StandardOpenOption.*;
50
51 /**
52 *
53 * @author ksrini
54 */
55
56 /*
57 * This class contains the commonly used utilities.
58 */
59 class Utils {
60 static final String JavaHome = System.getProperty("test.java",
61 System.getProperty("java.home"));
545 }
546
547 static String getJimageCmd() {
548 return getAjavaCmd("jimage");
549 }
550
551 static String getAjavaCmd(String cmdStr) {
552 File binDir = new File(JavaHome, "bin");
553 File unpack200File = IsWindows
554 ? new File(binDir, cmdStr + ".exe")
555 : new File(binDir, cmdStr);
556
557 String cmd = unpack200File.getAbsolutePath();
558 if (!unpack200File.canExecute()) {
559 throw new RuntimeException("please check" +
560 cmd + " exists and is executable");
561 }
562 return cmd;
563 }
564
565 static File createRtJar() throws IOException {
566 File libDir = new File(JavaHome, "lib");
567 File modules = new File(libDir, "modules");
568 List<String> cmdList = new ArrayList<>();
569 cmdList.add(getJimageCmd());
570 cmdList.add("extract");
571 cmdList.add(modules.getAbsolutePath());
572 cmdList.add("--dir");
573 cmdList.add("out");
574 runExec(cmdList);
575
576 File rtJar = new File("rt.jar");
577 cmdList.clear();
578 cmdList.add(getJarCmd());
579 // cmdList.add("cvf"); too noisy
580 cmdList.add("cf");
581 cmdList.add(rtJar.getName());
582 cmdList.add("-C");
583 cmdList.add("out");
584 cmdList.add(".");
585 runExec(cmdList);
586
587 recursiveDelete(new File("out"));
588 return rtJar;
589 }
590 }
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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 import java.nio.file.Path;
25 import java.io.BufferedReader;
26 import java.io.ByteArrayOutputStream;
27 import java.io.Closeable;
28 import java.io.File;
29 import java.io.FileFilter;
30 import java.io.FileOutputStream;
31 import java.io.IOException;
32 import java.io.InputStream;
33 import java.io.InputStreamReader;
34 import java.io.PrintStream;
35 import java.net.URI;
36 import java.net.URL;
37 import java.nio.charset.Charset;
38 import java.nio.file.attribute.BasicFileAttributes;
39 import java.nio.file.FileSystem;
40 import java.nio.file.FileSystems;
41 import java.nio.file.FileVisitResult;
42 import java.nio.file.FileVisitor;
43 import java.nio.file.Files;
44 import java.util.ArrayList;
45 import java.util.Arrays;
46 import java.util.Collections;
47 import java.util.List;
48 import java.util.Map;
49 import java.util.HashMap;
50 import java.util.jar.JarFile;
51 import java.util.jar.JarOutputStream;
52 import java.util.jar.Pack200;
53 import java.util.zip.ZipEntry;
54 import java.util.zip.ZipFile;
55
56 import static java.nio.file.StandardCopyOption.*;
57 import static java.nio.file.StandardOpenOption.*;
58
59 /**
60 *
61 * @author ksrini
62 */
63
64 /*
65 * This class contains the commonly used utilities.
66 */
67 class Utils {
68 static final String JavaHome = System.getProperty("test.java",
69 System.getProperty("java.home"));
553 }
554
555 static String getJimageCmd() {
556 return getAjavaCmd("jimage");
557 }
558
559 static String getAjavaCmd(String cmdStr) {
560 File binDir = new File(JavaHome, "bin");
561 File unpack200File = IsWindows
562 ? new File(binDir, cmdStr + ".exe")
563 : new File(binDir, cmdStr);
564
565 String cmd = unpack200File.getAbsolutePath();
566 if (!unpack200File.canExecute()) {
567 throw new RuntimeException("please check" +
568 cmd + " exists and is executable");
569 }
570 return cmd;
571 }
572
573 static File createRtJar() throws Exception {
574 File rtJar = new File("rt.jar");
575 new JrtToZip(rtJar).run();
576 return rtJar;
577 }
578
579 /*
580 * A helper class to create a pseudo rt.jar.
581 */
582 static class JrtToZip {
583
584 final File outFile;
585
586 public static void main(String[] args) throws Exception {
587 new JrtToZip(new File(args[0])).run();
588 }
589
590 JrtToZip(File outFile) throws Exception {
591 this.outFile = outFile;
592 }
593
594 void run() throws Exception {
595 URI uri = URI.create("jar:file:///" + outFile.getAbsolutePath().replace("\\", "/"));
596 Map<String, String> env = new HashMap<>();
597 env.put("create", "true");
598 try (FileSystem zipfs = FileSystems.newFileSystem(uri, env)) {
599 toZipfs(zipfs);
600 }
601 }
602
603 void toZipfs(FileSystem zipfs) throws Exception {
604 FileSystem jrtfs = FileSystems.getFileSystem(new URL("jrt:/").toURI());
605 for (Path p : jrtfs.getRootDirectories()) {
606 Files.walkFileTree(p, new FileVisitor<Path>() {
607 @Override
608 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
609 return FileVisitResult.CONTINUE;
610 }
611
612 @Override
613 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
614 // all we need are all the classes in the JDK
615 if (file.toString().endsWith(".class")) {
616 // System.out.println("extracting: " + file);
617 Path zpath = zipfs.getPath(file.toString());
618 Files.createDirectories(zpath.getParent());
619 Files.copy(file, zpath, REPLACE_EXISTING);
620 }
621 return FileVisitResult.CONTINUE;
622 }
623
624 @Override
625 public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
626 return FileVisitResult.CONTINUE;
627 }
628
629 @Override
630 public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
631 return FileVisitResult.CONTINUE;
632 }
633 });
634 }
635 }
636 }
637 }
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