diff -r 115e09b7a004 -r 3acf8e5e2ca0 jdk/test/java/nio/file/Files/ContentType.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/jdk/test/java/nio/file/Files/ContentType.java Sun Feb 15 12:25:54 2009 +0000 @@ -0,0 +1,91 @@ +/* + * 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("foo".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); + } + + } +}