1 /* 2 * Copyright (c) 2015, 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 package sampleapi; 25 26 import java.io.File; 27 28 import sampleapi.SampleApi.Fault; 29 30 public class SampleApiDefaultRunner { 31 32 public static final String MSG_DUP_OUTDIR = 33 "SampleApi: duplicated outdir detected: "; 34 public static final String MSG_USE_FIRST = 35 " will use first occurance: "; 36 public static final String MSG_INVAL_OUTDIR = 37 "SampleApi: outdir is not valid: "; 38 public static final String MSG_CANNOT_GEN = 39 "SampleApi: cannot generate output: "; 40 public static final String MSG_WRONG_OPTION = 41 "SampleApi: incorrect option: "; 42 public static final String MSG_USE_HELP = 43 " use -? for help"; 44 45 public static void main(String... args) throws Exception { 46 if (args.length == 0) { 47 printHelp(); 48 System.exit(1); 49 } 50 51 String outDirName = ""; 52 53 boolean isOutDirSet = false; 54 boolean isHelpPrinted = false; 55 for (String arg : args) { 56 Option option = new Option(arg); 57 switch (option.getOptionName()) { 58 case "-?": 59 case "-h": 60 case "--help": 61 if (!isHelpPrinted) { 62 printHelp(); 63 isHelpPrinted = true; 64 } 65 break; 66 case "-o": 67 case "--outdir": 68 if (!isOutDirSet) { 69 outDirName = option.getOptionValue(); 70 isOutDirSet = true; 71 } else { 72 System.err.println(MSG_DUP_OUTDIR + option.getOptionValue()); 73 System.err.println(MSG_USE_FIRST + outDirName); 74 } 75 break; 76 default: 77 System.err.println(MSG_WRONG_OPTION + arg); 78 System.err.println(MSG_USE_HELP); 79 break; 80 } 81 82 } 83 84 if (!isOutDirSet) { 85 System.exit(1); 86 } 87 88 if (outDirName.length() == 0) { 89 System.err.println(MSG_INVAL_OUTDIR + outDirName); 90 System.exit(1); 91 } 92 93 File outDir = new File(outDirName); 94 outDir.mkdirs(); 95 SampleApi apiGen = new SampleApi(); 96 97 try { 98 apiGen.generate(outDir); 99 } catch (Fault e) { 100 System.err.println(MSG_CANNOT_GEN + e.getMessage()); 101 e.printStackTrace(); 102 } 103 } 104 105 private static void printHelp() { 106 System.out.println("SampleApi:"); 107 System.out.println(" options: [-?|-h|--help] [-o:<dir>|--outdir:<dir>]"); 108 System.out.println(" -?|-h|--help - print help"); 109 System.out.println(" -o:<dir>|--outdir:<dir> - set <dir> to generate output"); 110 } 111 112 private static class Option { 113 114 private String optionName; 115 private String optionValue; 116 117 public Option(String arg) { 118 int delimPos = arg.indexOf(':'); 119 120 if (delimPos == -1) { 121 optionName = arg; 122 optionValue = ""; 123 } else { 124 optionName = arg.substring(0, delimPos); 125 optionValue = arg.substring(delimPos + 1, arg.length()); 126 } 127 } 128 129 public String getOptionName() { 130 return optionName; 131 } 132 133 public String getOptionValue() { 134 return optionValue; 135 } 136 } 137 }