Java example source code file (Basic.java)
The Basic.java Java example source code/*
* Copyright (c) 2008, 2011, 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 4313887
* @summary Unit test for probeContentType method
* @library ../..
* @build Basic SimpleFileTypeDetector
* @run main/othervm Basic
*/
import java.nio.file.*;
import java.io.*;
/**
* Uses Files.probeContentType to probe html file and custom file type.
*/
public class Basic {
static Path createHtmlFile() throws IOException {
Path file = Files.createTempFile("foo", ".html");
try (OutputStream out = Files.newOutputStream(file)) {
out.write("<html>foo".getBytes());
}
return file;
}
static Path createGrapeFile() throws IOException {
return Files.createTempFile("red", ".grape");
}
public static void main(String[] args) throws IOException {
// exercise default file type detector
Path 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 {
Files.delete(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 {
Files.delete(file);
}
}
}
Other Java examples (source code examples)Here is a short list of links related to this Java Basic.java source code file: |
The search page
Other Java source code examples at this package level
Click here to learn more about this project
