001/**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020package org.apache.james.mpt.app; 021 022import java.io.File; 023 024import org.apache.commons.cli.CommandLine; 025import org.apache.commons.cli.CommandLineParser; 026import org.apache.commons.cli.GnuParser; 027import org.apache.commons.cli.HelpFormatter; 028import org.apache.commons.cli.OptionBuilder; 029import org.apache.commons.cli.Options; 030import org.apache.commons.cli.ParseException; 031 032/** 033 * <p>Runs MPT application.</p> 034 * <p>Return values:</p> 035 * <table> 036 * <tr><td>0</td><td>Success</td></tr> 037 * <tr><td>-1</td><td>Illegal Arguments</td></tr> 038 * <tr><td>1</td><td>Script not found</td></tr> 039 * <tr><td>1</td><td>Port not a number</td></tr> 040 * </table> 041 */ 042public class Main { 043 044 045 private static final int FILE_NOT_FOUND = 1; 046 private static final int PORT_NOT_A_NUMBER = 2; 047 048 private static final char FILE_OPTION = 'f'; 049 private static final char PORT_OPTION = 'p'; 050 private static final char HOST_OPTION = 'h'; 051 private static final char SHABANG_OPTION = 's'; 052 private static final char VERBOSE_OPTION = 'v'; 053 054 public static final void main(String[] args) throws Exception { 055 Options options = buildOptions(); 056 057 try { 058 059 CommandLineParser parser = new GnuParser(); 060 CommandLine cmd = parser.parse(options, args); 061 runCommand(cmd); 062 063 } catch (ParseException e) { 064 System.out.println(e.getMessage()); 065 new HelpFormatter().printHelp( "mpt", options ); 066 System.exit(-1); 067 } 068 069 } 070 071 private static void runCommand(CommandLine cmd) throws Exception { 072 boolean verbose = Boolean.parseBoolean(cmd.getOptionValue(VERBOSE_OPTION, Boolean.toString(false))); 073 File file = new File(cmd.getOptionValue(FILE_OPTION)); 074 if (file.exists()) { 075 try { 076 int port = Integer.parseInt(cmd.getOptionValue(PORT_OPTION)); 077 String host = cmd.getOptionValue(HOST_OPTION, "localhost"); 078 String shabang = cmd.getOptionValue(SHABANG_OPTION, null); 079 RunScript runner = new RunScript(file, port, host, shabang, verbose); 080 runner.run(); 081 082 } catch (NumberFormatException e) { 083 System.out.println("Port must be numeric"); 084 System.exit(PORT_NOT_A_NUMBER); 085 } 086 } else { 087 System.out.println("Script not found"); 088 System.exit(FILE_NOT_FOUND); 089 } 090 } 091 092 private static Options buildOptions() { 093 Options options = new Options(); 094 095 addRunScriptOptions(options); 096 097 return options; 098 } 099 100 @SuppressWarnings("static-access") 101 private static void addRunScriptOptions(Options options) { 102 // -f <file> runs this script 103 options.addOption(OptionBuilder 104 .withArgName("file") 105 .hasArg() 106 .withDescription("run this script") 107 .withLongOpt("file") 108 .isRequired() 109 .create(FILE_OPTION)); 110 111 // -p <port> runs against this port 112 options.addOption(OptionBuilder 113 .withArgName("port") 114 .hasArg() 115 .withDescription("runs against this port") 116 .withLongOpt("port") 117 .isRequired() 118 .create(PORT_OPTION)); 119 120 // -h <host> runs against this host 121 options.addOption(OptionBuilder 122 .withArgName("host") 123 .hasArg() 124 .withDescription("runs against this host (defaults to localhost)") 125 .withLongOpt("host") 126 .isRequired(false) 127 .create(HOST_OPTION)); 128 // -s <shabang> sets shabang 129 options.addOption(OptionBuilder 130 .withArgName("shabang") 131 .hasArg() 132 .withDescription("sets shabang (defaults to empty)") 133 .withLongOpt("shabang") 134 .isRequired(false) 135 .create(SHABANG_OPTION)); 136 // -v sets logging to verbose 137 options.addOption(OptionBuilder 138 .withDescription("prints lots of logging") 139 .withLongOpt("verbose") 140 .isRequired(false) 141 .create(VERBOSE_OPTION)); 142 } 143}