1 | /*
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2 | * Copyright 2005 Paul Hinds
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | */
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16 | package org.tp23.antinstaller.renderer.text;
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17 |
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18 | import java.io.BufferedReader;
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19 | import java.io.IOException;
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20 | import java.io.PrintStream;
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21 | import java.util.ResourceBundle;
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22 |
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23 | import org.tp23.antinstaller.InstallerContext;
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24 | import org.tp23.antinstaller.input.LargeSelectInput;
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25 | import org.tp23.antinstaller.input.OutputField;
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26 |
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27 |
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28 | public class LargeSelectInputRenderer
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29 | implements TextOutputFieldRenderer {
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30 |
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31 | private static final ResourceBundle res = ResourceBundle.getBundle("resources.LanguagePack");
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32 | private static final String nextChar = res.getString("nextChar");
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33 |
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34 | protected InstallerContext ctx;
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35 | public LargeSelectInputRenderer() {
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36 | }
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37 |
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38 | public void setContext(InstallerContext ctx) {
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39 | this.ctx = ctx;
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40 | }
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41 |
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42 | public void renderOutput(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
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43 | LargeSelectInput iField = (LargeSelectInput) field;
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44 |
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45 | printText(iField,out,reader);
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46 | String input = reader.readLine();
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47 | out.println();
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48 | if(input == null || input.equals("")) {
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49 | input = iField.getDefaultValue();
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50 | }
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51 | else {
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52 | try {
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53 | int idx = Integer.parseInt(input.trim());
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54 | input = iField.getOptions()[idx - 1].value;
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55 | } catch(Exception numFormatOrIndexOutOfBounds) {
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56 | return;
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57 | }
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58 | }
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59 | iField.setInputResult(input);
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60 | }
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61 |
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62 | public boolean isAbort(){
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63 | return false;
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64 | }
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65 | private void printText(LargeSelectInput iField, PrintStream out,BufferedReader reader) throws IOException{
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66 | out.println(iField.getDisplayText());
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67 | LargeSelectInput.Option[] options = iField.getOptions();
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68 | out.print(" ");
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69 | out.println(res.getString("availableOptions"));
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70 | StringBuffer optionsData = new StringBuffer();
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71 | for (int i = 0; i < options.length; i++) {
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72 | optionsData.append(" ");
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73 | optionsData.append(i+1);
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74 | optionsData.append(") ");
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75 | optionsData.append(options[i].getText());
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76 | if(iField.getDefaultValue().equals(options[i].value)){
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77 | optionsData.append(" [");
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78 | optionsData.append(res.getString("_default_"));
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79 | optionsData.append("]");
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80 | }
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81 | optionsData.append("\n");
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82 | }
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83 | optionsData.append(" ");
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84 | optionsData.append(res.getString("enterNumber")).append("\n");
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85 | Pager pager = new Pager(optionsData.toString());
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86 | String command = null;
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87 | do {
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88 | if (!pager.next(out)) {
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89 | break;
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90 | }
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91 | out.println();
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92 | out.println(getNextInstructions());
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93 | command = reader.readLine();
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94 | }
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95 | while (command.toUpperCase().startsWith( nextChar ));
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96 | pager.rest(out);
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97 |
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98 | }
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99 |
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100 |
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101 |
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102 | /**
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103 | * renderError
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104 | *
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105 | * @param field InputField
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106 | * @param out PrintStream
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107 | */
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108 | public void renderError(OutputField field, BufferedReader reader, PrintStream out) throws IOException {
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109 | ctx.getMessageRenderer().printMessage("Not a valid selection");
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110 | renderOutput(field, reader, out);
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111 | }
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112 | private String getNextInstructions() {
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113 | return res.getString("large_select_next");
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114 | }
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115 | }
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