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Java example source code file (MacPathTest.java)

This example Java source code file (MacPathTest.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

darwin, file, fileinputstream, fileoutputstream, macpathtest, object, runtimeexception, string, testdir_\\u30c8\\u30a4\\u30e4\\u30cb\\u30ca\\u30eb, testdir_\\uac00\\uac01\\uac02, testdir_apple, testdir_k\\u00f6rperlich\\u00e4\\u00df, text, throwable, util

The MacPathTest.java Java example source code

/*
 * Copyright (c) 2008, 2012, 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 7130915
 * @summary Tests file path with nfc/nfd forms on MacOSX
 * @build MacPathTest
 * @run shell MacPathTest.sh
 */

import java.io.*;
import java.text.*;
import java.util.*;

public class MacPathTest {

    public static void main(String args[]) throws Throwable {
        String osname = System.getProperty("os.name");
        if (!osname.contains("OS X") && !osname.contains("Darwin"))
            return;

        // English
        test("TestDir_apple",                                    // test dir
             "dir_macosx",                                       // dir
             "file_macosx");                                     // file

        // Japanese composite character
        test("TestDir_\u30c8\u30a4\u30e4\u30cb\u30ca\u30eb/",
             "dir_\u30a4\u30c1\u30b4\u306e\u30b1\u30fc\u30ad",
             "file_\u30a4\u30c1\u30b4\u306e\u30b1\u30fc\u30ad");

        // latin-1 supplementory
        test("TestDir_K\u00f6rperlich\u00e4\u00df/",
             "dir_Entt\u00e4uschung",
             "file_Entt\u00e4uschung");

        test("TestDir_K\u00f6rperlich\u00e4\u00df/",
             "dir_Entt\u00c4uschung",
             "file_Entt\u00c4uschung");

        // Korean syblla
        test("TestDir_\uac00\uac01\uac02",
             "dir_\uac20\uac21\uac22",
             "file_\uacc0\uacc1\uacc2");
    }

    private static void removeAll(File file) throws Throwable {
        if (file.isDirectory()) {
            for (File f : file.listFiles()) {
                removeAll(f);
            }
        }
        file.delete();
    }

    private static boolean equal(Object x, Object y) {
        return x == null ? y == null : x.equals(y);
    }

    private static boolean match(File target, File src) {
        if (target.equals(src)) {
            String fname = target.toString();
            System.out.printf("    ->matched   : [%s], length=%d%n", fname, fname.length());
            return true;
        }
        return false;
    }

    private static void open_read(String what, File file) throws Throwable {
        try (FileInputStream fis = new FileInputStream(file)) {
           byte[] bytes = new byte[10];
           fis.read(bytes);
           System.out.printf("    %s:%s%n", what, new String(bytes));
        }
    }

    private static void test(String testdir, String dname, String fname_nfc)
        throws Throwable
    {
        String fname = null;
        String dname_nfd = Normalizer.normalize(dname, Normalizer.Form.NFD);
        String fname_nfd = Normalizer.normalize(fname_nfc, Normalizer.Form.NFD);

        System.out.printf("%n%n--------Testing...----------%n");
        File base = new File(testdir);
        File dir  = new File(base, dname);
        File dir_nfd =  new File(base, dname_nfd);
        File file_nfc = new File(base, fname_nfc);
        File file_nfd = new File(base, fname_nfd);

        System.out.printf("base           :[%s][len=%d]%n", testdir, testdir.length());
        System.out.printf("dir            :[%s][len=%d]%n", dname, dname.length());
        System.out.printf("fname_nfc      :[%s][len=%d]%n", fname_nfc, fname_nfc.length());
        System.out.printf("fname_nfd      :[%s][len=%d]%n", fname_nfd, fname_nfd.length());

        fname = file_nfc.toString();
        System.out.printf("file_nfc ->[%s][len=%d]%n", fname, fname.length());
        fname = file_nfd.toString();
        System.out.printf("file_nfd ->[%s][len=%d]%n%n", fname, fname.length());

        removeAll(base);
        dir.mkdirs();

        fname = dir.toString();
        System.out.printf(":Directory [%s][len=%d] created%n", fname, fname.length());

        //////////////////////////////////////////////////////////////
        if (!dir.isDirectory() || !dir_nfd.isDirectory()) {
            throw new RuntimeException("File.isDirectory() failed");
        }

        //////////////////////////////////////////////////////////////
        // write to via nfd
        try (FileOutputStream fos = new FileOutputStream(file_nfd)) {
           fos.write('n'); fos.write('f'); fos.write('d');
        }
        open_read("read in with nfc (from nfd)", file_nfc);
        file_nfd.delete();

        //////////////////////////////////////////////////////////////
        // write to with nfc
        try (FileOutputStream fos = new FileOutputStream(file_nfc)) {
           fos.write('n'); fos.write('f'); fos.write('c');
        }
        open_read("read in with nfd      (from nfc)", file_nfd);
        //file_nfc.delete();

        //////////////////////////////////////////////////////////////
        boolean found_dir = false;
        boolean found_file_nfc = false;
        boolean found_file_nfd = false;

        for (File f : base.listFiles()) {
            fname = f.toString();
            System.out.printf("Found   : [%s], length=%d%n", fname, fname.length());
            found_dir      |= match(dir, f);
            found_file_nfc |= match(file_nfc, f);
            found_file_nfd |= match(file_nfd, f);
        }

        if (!found_dir || !found_file_nfc || !found_file_nfc) {
            throw new RuntimeException("File.equal() failed");
        }
        removeAll(base);
    }
}

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