001 /* 002 * Sonar, open source software quality management tool. 003 * Copyright (C) 2008-2011 SonarSource 004 * mailto:contact AT sonarsource DOT com 005 * 006 * Sonar is free software; you can redistribute it and/or 007 * modify it under the terms of the GNU Lesser General Public 008 * License as published by the Free Software Foundation; either 009 * version 3 of the License, or (at your option) any later version. 010 * 011 * Sonar is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 * Lesser General Public License for more details. 015 * 016 * You should have received a copy of the GNU Lesser General Public 017 * License along with Sonar; if not, write to the Free Software 018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02 019 */ 020 package org.sonar.api.utils.command; 021 022 import com.google.common.base.Joiner; 023 import com.google.common.collect.Lists; 024 import org.apache.commons.lang.StringUtils; 025 026 import java.util.Arrays; 027 import java.util.Collections; 028 import java.util.List; 029 030 /** 031 * @since 2.7 032 */ 033 public final class Command { 034 035 private String executable; 036 private List<String> arguments = Lists.newArrayList(); 037 038 private Command(String executable) { 039 this.executable = executable; 040 } 041 042 public String getExecutable() { 043 return executable; 044 } 045 046 public List<String> getArguments() { 047 return Collections.unmodifiableList(arguments); 048 } 049 050 public Command addArgument(String arg) { 051 arguments.add(arg); 052 return this; 053 } 054 055 public Command addArguments(List<String> args) { 056 arguments.addAll(args); 057 return this; 058 } 059 060 public Command addArguments(String[] args) { 061 arguments.addAll(Arrays.asList(args)); 062 return this; 063 } 064 065 String[] toStrings() { 066 List<String> command = Lists.newArrayList(); 067 command.add(executable); 068 command.addAll(arguments); 069 return command.toArray(new String[command.size()]); 070 } 071 072 public String toCommandLine() { 073 return Joiner.on(" ").join(toStrings()); 074 } 075 076 @Override 077 public String toString() { 078 return toCommandLine(); 079 } 080 081 /** 082 * Create a command line without any arguments 083 * @param executable 084 */ 085 public static Command create(String executable) { 086 if (StringUtils.isBlank(executable)) { 087 throw new IllegalArgumentException("Command executable can not be blank"); 088 } 089 return new Command(executable); 090 } 091 }