001/* 002 * Copyright (C) 2009-2017 the original author(s). 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016package org.fusesource.jansi; 017 018import static org.fusesource.jansi.Ansi.ansi; 019 020import java.io.Closeable; 021import java.io.File; 022import java.io.FileInputStream; 023import java.io.IOException; 024import java.io.InputStream; 025import java.io.InputStreamReader; 026import java.io.PrintStream; 027import java.io.Reader; 028import java.util.Properties; 029 030import org.fusesource.hawtjni.runtime.Library; 031import org.fusesource.jansi.internal.CLibrary; 032import static org.fusesource.jansi.internal.CLibrary.isatty; 033 034/** 035 * Main class for the library, providing executable jar to diagnose Jansi setup. 036 * <p>If no system property is set and output is sent to a terminal (no redirect to a file): 037 * <ul> 038 * <li>any terminal on any Unix should get <code>RESET_ANSI_AT_CLOSE</code> mode,</li> 039 * <li>on Windows, Git-bash or Cygwin terminals should get <code>RESET_ANSI_AT_CLOSE</code> mode also, since they 040 * support natively ANSI escape sequences like any Unix terminal,</li> 041 * <li>on Windows, cmd.exe, PowerShell or Git-cmd terminals should get <code>WINDOWS</code> mode.</li> 042 * </ul> 043 * The results will vary if you play with <code>jansi.passthrough</code>, <code>jansi.strip</code> or 044 * <code>jansi.force</code> system property, or if you redirect output to a file. 045 * <p>If you have a specific situation that is not covered, please report precise conditions to reproduce 046 * the issue and ideas on how to detect precisely the affected situation. 047 */ 048public class AnsiMain { 049 public static void main(String... args) throws IOException { 050 System.out.println("Jansi " + getJansiVersion() 051 + " (Jansi native " + getPomPropertiesVersion("org.fusesource.jansi/jansi-native") 052 + ", HawtJNI runtime " + getPomPropertiesVersion("org.fusesource.hawtjni/hawtjni-runtime") + ")"); 053 054 System.out.println(); 055 056 // info on native library 057 System.out.println("library.jansi.path= " + System.getProperty("library.jansi.path", "")); 058 System.out.println("library.jansi.version= " + System.getProperty("library.jansi.version", "")); 059 Library lib = new Library("jansi", CLibrary.class); 060 lib.load(); 061 System.out.println("Jansi native library loaded from " + lib.getNativeLibraryPath()); 062 if (lib.getNativeLibrarySourceUrl() != null) { 063 System.out.println(" which was auto-extracted from " + lib.getNativeLibrarySourceUrl()); 064 } 065 066 System.out.println(); 067 068 System.out.println("os.name= " + System.getProperty("os.name") + ", " 069 + "os.version= " + System.getProperty("os.version") + ", " 070 + "os.arch= " + System.getProperty("os.arch")); 071 System.out.println("file.encoding= " + System.getProperty("file.encoding")); 072 System.out.println("java.version= " + System.getProperty("java.version") + ", " 073 + "java.vendor= " + System.getProperty("java.vendor") + "," 074 + " java.home= " + System.getProperty("java.home")); 075 076 System.out.println(); 077 078 System.out.println("jansi.passthrough= " + Boolean.getBoolean("jansi.passthrough")); 079 System.out.println("jansi.strip= " + Boolean.getBoolean("jansi.strip")); 080 System.out.println("jansi.force= " + Boolean.getBoolean("jansi.force")); 081 System.out.println(Ansi.DISABLE + "= " + Boolean.getBoolean(Ansi.DISABLE)); 082 083 System.out.println(); 084 085 System.out.println("IS_WINDOWS: " + AnsiConsole.IS_WINDOWS); 086 if (AnsiConsole.IS_WINDOWS) { 087 System.out.println("IS_CYGWIN: " + AnsiConsole.IS_CYGWIN); 088 System.out.println("IS_MINGW_XTERM: " + AnsiConsole.IS_MINGW_XTERM); 089 } 090 091 System.out.println(); 092 093 diagnoseTty(false); // System.out 094 diagnoseTty(true); // System.err 095 096 AnsiConsole.systemInstall(); 097 098 System.out.println(); 099 100 System.out.println("Resulting Jansi modes for stout/stderr streams:"); 101 System.out.println(" - System.out: " + AnsiConsole.JANSI_STDOUT_TYPE); 102 System.out.println(" - System.err: " + AnsiConsole.JANSI_STDERR_TYPE); 103 System.out.println("modes description:"); 104 int n = 1; 105 for(AnsiConsole.JansiOutputType type: AnsiConsole.JansiOutputType.values()) { 106 System.out.println(n++ + ". " + type + ": " + type.getDescription()); 107 } 108 109 try { 110 System.out.println(); 111 112 testAnsi(false); 113 testAnsi(true); 114 115 if (args.length == 0) { 116 printJansiLogoDemo(); 117 return; 118 } 119 120 System.out.println(); 121 122 if (args.length == 1) { 123 File f = new File(args[0]); 124 if (f.exists()) 125 { 126 // write file content 127 System.out.println(ansi().bold().a("\"" + args[0] + "\" content:").reset()); 128 writeFileContent(f); 129 return; 130 } 131 } 132 133 // write args without Jansi then with Jansi AnsiConsole 134 System.out.println(ansi().bold().a("original args:").reset()); 135 int i = 1; 136 for (String arg: args) { 137 AnsiConsole.system_out.print(i++ + ": "); 138 AnsiConsole.system_out.println(arg); 139 } 140 141 System.out.println(ansi().bold().a("Jansi filtered args:").reset()); 142 i = 1; 143 for (String arg: args) { 144 System.out.print(i++ + ": "); 145 System.out.println(arg); 146 } 147 } finally { 148 AnsiConsole.systemUninstall(); 149 } 150 } 151 152 private static String getJansiVersion() { 153 Package p = AnsiMain.class.getPackage(); 154 return ( p == null ) ? null : p.getImplementationVersion(); 155 } 156 157 private static void diagnoseTty(boolean stderr) { 158 int fd = stderr ? CLibrary.STDERR_FILENO : CLibrary.STDOUT_FILENO; 159 int isatty = isatty(fd); 160 161 System.out.println("isatty(STD" + (stderr ? "ERR" : "OUT") + "_FILENO): " + isatty + ", System." 162 + (stderr ? "err" : "out") + " " + ((isatty == 0) ? "is *NOT*" : "is") + " a terminal"); 163 } 164 165 private static void testAnsi(boolean stderr) { 166 @SuppressWarnings( "resource" ) 167 PrintStream s = stderr ? System.err : System.out; 168 s.print("test on System." + (stderr ? "err" : "out") + ":"); 169 for(Ansi.Color c: Ansi.Color.values()) { 170 s.print(" " + ansi().fg(c) + c + ansi().reset()); 171 } 172 s.println(); 173 s.print(" bright:"); 174 for(Ansi.Color c: Ansi.Color.values()) { 175 s.print(" " + ansi().fgBright(c) + c + ansi().reset()); 176 } 177 s.println(); 178 s.print(" bold:"); 179 for(Ansi.Color c: Ansi.Color.values()) { 180 s.print(" " + ansi().bold().fg(c) + c + ansi().reset()); 181 } 182 s.println(); 183 } 184 185 private static String getPomPropertiesVersion(String path) throws IOException { 186 InputStream in = AnsiMain.class.getResourceAsStream("/META-INF/maven/" + path + "/pom.properties"); 187 if (in == null) { 188 return null; 189 } 190 try { 191 Properties p = new Properties(); 192 p.load(in); 193 return p.getProperty("version"); 194 } finally { 195 closeQuietly(in); 196 } 197 } 198 199 private static void printJansiLogoDemo() throws IOException { 200 Reader in = new InputStreamReader(AnsiMain.class.getResourceAsStream("jansi.txt"), "UTF-8"); 201 try { 202 char[] buf = new char[1024]; 203 int l = 0; 204 while ((l = in.read(buf)) >= 0) { 205 for(int i = 0; i < l; i++) { 206 System.out.print(buf[i]); 207 } 208 } 209 } finally { 210 closeQuietly(in); 211 } 212 } 213 214 private static void writeFileContent(File f) throws IOException { 215 InputStream in = new FileInputStream(f); 216 try { 217 byte[] buf = new byte[1024]; 218 int l = 0; 219 while ((l = in.read(buf)) >= 0) { 220 System.out.write(buf, 0, l); 221 } 222 } finally { 223 closeQuietly(in); 224 } 225 } 226 227 private static void closeQuietly(Closeable c) { 228 try { 229 c.close(); 230 } catch (IOException ioe) { 231 ioe.printStackTrace(System.err); 232 } 233 } 234}