/* * Copyright (c) 2013, 2018, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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.
*/ package jdk.test.lib.jfr;
publicstaticboolean isReadOnlyPath(Path path) throws IOException { // Files.isWritable(path) can not really be trusted. At least not on Windows. // If path is a directory, we try to create a new file in it. if (Files.isDirectory(path)) { try {
Path f = Files.createFile(Paths.get(path.toString(), "dummyFileToCheckReadOnly"));
System.out.printf("Dir is not read-only, created %s, exists=%b%n", f, Files.exists(f)); returnfalse;
} catch (AccessDeniedException e) {
System.out.printf("'%s' verified read-only by %s%n", path, e.toString()); returntrue;
}
} else { boolean isReadOnly = !Files.isWritable(path);
System.out.format("isReadOnly '%s': %b%n", path, isReadOnly); return isReadOnly;
}
}
publicstaticvoid verifyRecording(File file) throws Exception {
Asserts.assertTrue(file.exists(), file.getAbsolutePath() + " does not exist");
Asserts.assertTrue(file.isFile(), file.getAbsolutePath() + " is not a file");
Asserts.assertGreaterThan(file.length(), 0L, "Size of recording is 0.");
List<RecordedEvent> events = RecordingFile.readAllEvents(file.toPath()); for (RecordedEvent event : events) {
System.out.printf("First event in recording '%s':%n%s", file.getName(), event); return;
}
Asserts.fail("No events in file " + file.getName());
}
}
Messung V0.5
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