6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
4313887: New I/O: Improved filesystem interface
4607272: New I/O: Support asynchronous I/O
Reviewed-by: sherman, chegar
/*
* Copyright 2008-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
import java.nio.file.*;
import java.io.*;
/**
* Uses Files.probeContentType to probe html file and custom file type.
*/
public class ContentType {
static FileRef createHtmlFile() throws IOException {
Path file = File.createTempFile("foo", ".html").toPath();
OutputStream out = file.newOutputStream();
try {
out.write("<html><body>foo</body></html>".getBytes());
} finally {
out.close();
}
return file;
}
static FileRef createUnknownFile() throws IOException {
return File.createTempFile("unknown", "unknown-file-type-789").toPath();
}
static FileRef createGrapeFile() throws IOException {
return File.createTempFile("red", ".grape").toPath();
}
public static void main(String[] args) throws IOException {
// exercise default file type detector
FileRef file = createHtmlFile();
try {
String type = Files.probeContentType(file);
if (type == null) {
System.err.println("Content type cannot be determined - test skipped");
} else {
if (!type.equals("text/html"))
throw new RuntimeException("Unexpected type: " + type);
}
} finally {
TestUtil.deleteUnchecked(file);
}
file = createUnknownFile();
try {
String type = Files.probeContentType(file);
if (type != null)
throw new RuntimeException(file + " should not be recognized as:" +
type);
} finally {
TestUtil.deleteUnchecked(file);
}
// exercise custom file type detector
file = createGrapeFile();
try {
String type = Files.probeContentType(file);
if (type == null)
throw new RuntimeException("Custom file type detector not installed?");
if (!type.equals("grape/unknown"))
throw new RuntimeException("Unexpected type: " + type);
} finally {
TestUtil.deleteUnchecked(file);
}
}
}