114 lines
4.0 KiB
Java
114 lines
4.0 KiB
Java
/*
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* Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7087549
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* @summary Test custom options with newInputStream.
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* @author Brandon Passanisi
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* @library ..
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* @build CustomOptions PassThroughFileSystem
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* @run main CustomOptions
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*/
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URI;
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import java.nio.file.*;
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import java.nio.file.attribute.FileAttribute;
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import java.nio.file.spi.FileSystemProvider;
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import java.nio.channels.SeekableByteChannel;
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import java.util.Collections;
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import java.util.Set;
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import java.util.Map;
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public class CustomOptions {
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// Create a custom option
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static enum CustomOption implements OpenOption {
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IGNORE,
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}
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// number of times that IGNORE option is observed
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static int ignoreCount;
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// A pass through provider that supports a custom open option
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static class MyCustomProvider extends PassThroughFileSystem.PassThroughProvider {
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public MyCustomProvider() { }
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@Override
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public SeekableByteChannel newByteChannel(Path path,
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Set<? extends OpenOption> options,
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FileAttribute<?>... attrs)
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throws IOException
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{
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if (options.contains(CustomOption.IGNORE)) {
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ignoreCount++;
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options.remove(CustomOption.IGNORE);
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}
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return super.newByteChannel(path, options, attrs);
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}
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}
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public static void main(String[] args) throws Exception {
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FileSystemProvider provider = new MyCustomProvider();
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Map<String,?> env = Collections.emptyMap();
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URI uri = URI.create("pass:///");
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FileSystem fs = provider.newFileSystem(uri, env);
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// Create temp dir for testing
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Path dir = TestUtil.createTemporaryDirectory();
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try {
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// Create temp file for testing
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Path path = fs.getPath(dir.resolve("foo").toString());
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Files.createFile(path);
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// Test custom option
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Files.newInputStream(path, CustomOption.IGNORE).close();
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if (ignoreCount != 1)
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throw new RuntimeException("IGNORE option not passed through");
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// Test null option
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try {
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Files.newInputStream(path, new OpenOption[] { null }).close();
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throw new RuntimeException("NullPointerException expected");
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} catch (NullPointerException ignore) { }
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// Test unsupported options
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try {
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Files.newInputStream(path, StandardOpenOption.WRITE).close();
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throw new RuntimeException("UnsupportedOperationException expected");
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} catch (UnsupportedOperationException uoe) { }
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try {
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Files.newInputStream(path, StandardOpenOption.APPEND).close();
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throw new RuntimeException("UnsupportedOperationException expected");
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} catch (UnsupportedOperationException uoe) { }
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} finally {
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// Cleanup
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TestUtil.removeAll(dir);
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}
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}
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}
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