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Diffstat (limited to 'staging/darwin-x86/sample/nio/file/FileType.java')
-rw-r--r-- | staging/darwin-x86/sample/nio/file/FileType.java | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/staging/darwin-x86/sample/nio/file/FileType.java b/staging/darwin-x86/sample/nio/file/FileType.java new file mode 100644 index 0000000..d001d60 --- /dev/null +++ b/staging/darwin-x86/sample/nio/file/FileType.java @@ -0,0 +1,63 @@ +/* + * Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * - Neither the name of Oracle nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS + * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This source code is provided to illustrate the usage of a given feature + * or technique and has been deliberately simplified. Additional steps + * required for a production-quality application, such as security checks, + * input validation and proper error handling, might not be present in + * this sample code. + */ + + +import java.nio.file.*; +import java.io.IOException; + +public class FileType { + public static void main(String[] args) throws IOException { + if (args.length == 0) { + System.err.println("usage: java FileType file..."); + System.exit(-1); + } + for (String arg: args) { + Path file = Paths.get(arg); + String type; + if (Files.isDirectory(file)) { + type = "directory"; + } else { + type = Files.probeContentType(file); + if (type == null) + type = "<not recognized>"; + } + System.out.format("%s\t%s%n", file, type); + } + } +} |