1 /* 2 * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4313887 26 * @summary Unit test for probeContentType method 27 * @library ../.. 28 * @build Basic SimpleFileTypeDetector 29 * @run main/othervm Basic 30 */ 31 32 import java.io.*; 33 import java.nio.file.*; 34 import java.util.stream.Stream; 35 36 /** 37 * Uses Files.probeContentType to probe html file, custom file type, and minimal 38 * set of file extension to content type mappings. 39 */ 40 public class Basic { 41 42 private static final boolean IS_UNIX = 43 ! System.getProperty("os.name").startsWith("Windows"); 44 45 static Path createHtmlFile() throws IOException { 46 Path file = Files.createTempFile("foo", ".html"); 47 try (OutputStream out = Files.newOutputStream(file)) { 48 out.write("<html><body>foo</body></html>".getBytes()); 49 } 50 51 return file; 52 } 53 54 static Path createGrapeFile() throws IOException { 55 return Files.createTempFile("red", ".grape"); 56 } 57 58 private static int checkContentTypes(String expected, String actual) { 59 assert expected != null; 60 assert actual != null; 61 62 if (!expected.equals(actual)) { 63 if (IS_UNIX) { 64 Path userMimeTypes = 65 Paths.get(System.getProperty("user.home"), ".mime.types"); 66 if (!Files.exists(userMimeTypes)) { 67 System.out.println(userMimeTypes + " does not exist"); 68 } else if (!Files.isReadable(userMimeTypes)) { 69 System.out.println(userMimeTypes + " is not readable"); 70 } else { 71 System.out.println(userMimeTypes + " contents:"); 72 try (Stream<String> lines = Files.lines(userMimeTypes)) { 73 lines.forEach(System.out::println); 74 System.out.println(""); 75 } catch (IOException ioe) { 76 System.err.println("Problem reading " 77 + userMimeTypes); 78 } 79 } 80 81 Path etcMimeTypes = Paths.get("/etc/mime.types"); 82 if (!Files.exists(etcMimeTypes)) { 83 System.out.println(etcMimeTypes + " does not exist"); 84 } else if (!Files.isReadable(etcMimeTypes)) { 85 System.out.println(etcMimeTypes + " is not readable"); 86 } else { 87 System.out.println(etcMimeTypes + " contents:"); 88 try (Stream<String> lines = Files.lines(etcMimeTypes)) { 89 lines.forEach(System.out::println); 90 System.out.println(""); 91 } catch (IOException ioe) { 92 System.err.println("Problem reading " 93 + etcMimeTypes); 94 } 95 } 96 } 97 98 System.err.println("Expected \"" + expected 99 + "\" but obtained \"" 100 + actual + "\""); 101 102 return 1; 103 } 104 105 return 0; 106 } 107 108 public static void main(String[] args) throws IOException { 109 int failures = 0; 110 111 // exercise default file type detector 112 Path file = createHtmlFile(); 113 try { 114 String type = Files.probeContentType(file); 115 if (type == null) { 116 System.err.println("Content type cannot be determined - test skipped"); 117 } else { 118 failures += checkContentTypes("text/html", type); 119 } 120 } finally { 121 Files.delete(file); 122 } 123 124 // exercise custom file type detector 125 file = createGrapeFile(); 126 try { 127 String type = Files.probeContentType(file); 128 if (type == null) 129 throw new RuntimeException("Custom file type detector not installed?"); 130 failures += checkContentTypes("grape/unknown", type); 131 } finally { 132 Files.delete(file); 133 } 134 135 if (failures > 0) { 136 throw new RuntimeException("Test failed!"); 137 } 138 } 139 }