1 | package org.greenstone.admin.guiext;
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2 |
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3 | import org.w3c.dom.Element;
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4 |
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5 | import java.io.BufferedReader;
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6 | import java.io.InputStreamReader;
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7 | import java.io.File;
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8 |
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9 | import java.util.HashMap;
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10 |
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11 | import javax.swing.JFrame;
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12 | import javax.swing.JTextArea;
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13 | import javax.swing.JOptionPane;
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14 |
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15 | public class Command implements Runnable
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16 | {
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17 | HashMap<String, String> _osCommands = new HashMap<String, String>();
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18 | CommandStep _parent = null;
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19 |
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20 | public Command(Element commandElement, CommandStep parent)
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21 | {
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22 | _parent = parent;
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23 |
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24 | if(commandElement != null){
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25 | Element[] commands = ExtXMLHelper.getMultipleChildElements(commandElement, "os", true);
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26 | for(int i = 0; i < commands.length; i++){
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27 | Element currentCommand = commands[i];
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28 | String os = currentCommand.getAttribute("name");
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29 |
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30 | if(os.equals("")){
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31 | System.err.println("A <" + ExtXMLHelper.COMMAND + "> element does not have an \"os\" attribute");
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32 | }
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33 | else{
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34 | _osCommands.put(os, ExtXMLHelper.getValueFromSingleElement(currentCommand, false));
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35 | }
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36 | }
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37 | }
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38 | else{
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39 | System.err.println("This <" + ExtXMLHelper.COMMAND + "> element is null");
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40 | }
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41 | }
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42 |
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43 | public void run()
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44 | {
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45 | JTextArea messageArea = _parent.getMessageArea();
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46 | String command = getCommandForCurrentOS();
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47 |
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48 | if(command == null){
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49 | System.err.println("No commands exist for your current operating system, to avoid seeing this warning please place <os name=\"default\"/> into the set of commands for this step in the extension_project_list.xml file located in your extension directory");
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50 | _parent.threadError();
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51 | return;
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52 | }
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53 | else if(command == ""){
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54 | _parent.threadError();
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55 | return;
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56 | }
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57 |
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58 | File workingDirectory = new File(_parent.getParent().getParent().getExtensionDirectory());
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59 | Process commandLineProc = null;
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60 | try{
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61 | commandLineProc = null;
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62 |
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63 | if(System.getProperty("os.name").contains("Windows")){
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64 | String[] args = new String[3];
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65 | args[0] = "cmd.exe";
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66 | args[1] = "/C";
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67 | args[2] = command;
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68 |
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69 | String allArgs = new String();
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70 | for(int i = 0; i < args.length; i++){
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71 | if(i != 0){allArgs += " ";}
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72 | allArgs += args[i];
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73 | }
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74 |
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75 | messageArea.append("\nExecuting \"" + allArgs + "\" on the command line\n");
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76 |
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77 | commandLineProc = Runtime.getRuntime().exec(args, null, workingDirectory);
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78 | }
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79 | else{
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80 | String[] args = new String[3];
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81 | args[0] = "sh";
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82 | args[1] = "-c";
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83 | args[2] = command;
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84 |
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85 | String allArgs = new String();
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86 | for(int i = 0; i < args.length; i++){
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87 | if(i != 0){allArgs += " ";}
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88 | allArgs += args[i];
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89 | }
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90 |
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91 | messageArea.append("\nExecuting \"" + allArgs + "\" on the command line\n");
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92 | commandLineProc = Runtime.getRuntime().exec(args, null, workingDirectory);
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93 | }
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94 |
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95 | BufferedReader stdInput = new BufferedReader(new InputStreamReader(commandLineProc.getInputStream()));
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96 |
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97 | Thread stdPrinter = new PrinterThread(messageArea, stdInput);
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98 | stdPrinter.start();
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99 |
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100 | BufferedReader stdError = new BufferedReader(new InputStreamReader(commandLineProc.getErrorStream()));
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101 |
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102 | Thread errPrinter = new PrinterThread(messageArea, stdError);
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103 | errPrinter.start();
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104 |
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105 | int success = commandLineProc.waitFor();
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106 |
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107 | if(success != 0){
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108 | System.err.println("Command line process \"" + command + "\" returned unsuccessfully with the value \"" + success + "\"");
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109 | _parent.threadError();
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110 | return;
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111 | }
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112 | }
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113 | catch(Exception ex){
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114 | ex.printStackTrace();
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115 | _parent.threadError();
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116 | return;
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117 | }
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118 | _parent.startNextThread();
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119 | }
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120 |
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121 | public boolean executeCommand()
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122 | {
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123 | return false;
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124 | }
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125 |
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126 | public CommandStep getParent()
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127 | {
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128 | return _parent;
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129 | }
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130 |
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131 | public String getCommandForCurrentOS()
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132 | {
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133 | String currentos = System.getProperty("os.name");
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134 |
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135 | String command = _osCommands.get(currentos);
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136 | if(command != null){
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137 | return command;
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138 | }
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139 |
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140 | if(currentos.contains("Windows")){
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141 | command = _osCommands.get("Windows");
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142 |
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143 | if(command != null){
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144 | return command;
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145 | }
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146 | }
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147 | return _osCommands.get("default");
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148 | }
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149 |
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150 | public class PrinterThread extends Thread
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151 | {
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152 | JTextArea _messageArea = null;
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153 | BufferedReader _output = null;
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154 |
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155 | public PrinterThread(JTextArea messageArea, BufferedReader output)
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156 | {
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157 | _messageArea = messageArea;
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158 | _output = output;
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159 | }
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160 |
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161 | public void run()
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162 | {
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163 | String s = "";
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164 |
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165 | try{
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166 | while ((s = _output.readLine()) != null) {
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167 | _messageArea.append(s + "\n");
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168 | _messageArea.setSelectionEnd(_messageArea.getDocument().getLength());
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169 | }
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170 | }
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171 | catch(Exception ex){
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172 | ex.printStackTrace();
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173 | }
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174 | }
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175 | }
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176 | } |
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