1 | package org.greenstone.gsdl3.build;
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2 |
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3 | import java.io.File;
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4 |
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5 | import org.greenstone.gsdl3.util.*;
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6 | //import java.util.Thread
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7 | import javax.swing.event.EventListenerList;
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8 | import org.w3c.dom.Element;
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9 |
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10 | /** base class for collection construction */
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11 | public abstract class CollectionConstructor extends Thread
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12 | {
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13 |
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14 | /** the site in which building is to take place */
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15 | protected String site_home = null;
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16 | /** the name of the site */
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17 | protected String site_name = null;
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18 | /** the name of the collection */
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19 | protected String collection_name = null;
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20 | /** the stage of construction */
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21 | protected int process_type = -1;
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22 | /** other arguments/parameters for the construction process - in a paramList */
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23 | protected Element process_params = null;
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24 | /** the list of listeners for the process */
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25 | protected EventListenerList listeners = null;
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26 | /** A flag used to determine if this process has been asked to cancel. */
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27 | protected boolean cancel = false;
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28 | /** Stores the name of the manifest file (if one is needed) */
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29 | protected String manifest_file = null;
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30 | /** The URL params constructed as a query string, representing the CGI QUERY_STRING to */
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31 | protected String query_string = null;
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32 |
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33 | public CollectionConstructor(String name)
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34 | {
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35 | super(name);
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36 | this.listeners = new EventListenerList();
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37 | }
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38 |
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39 | /**
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40 | * carry out any set up stuff - returns false if couldn't set up properly
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41 | */
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42 | public boolean configure()
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43 | {
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44 | return true;
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45 | }
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46 |
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47 | public void stopAction()
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48 | {
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49 | this.cancel = true;
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50 | }
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51 |
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52 | public void setActionType(int type)
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53 | {
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54 | this.process_type = type;
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55 | }
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56 |
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57 | public void setSiteHome(String site_home)
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58 | {
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59 | this.site_home = site_home;
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60 |
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61 | File siteHomeFile = new File(site_home);
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62 | this.site_name = siteHomeFile.getName();
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63 | }
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64 |
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65 | public void setCollectionName(String coll_name)
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66 | {
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67 | this.collection_name = coll_name;
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68 | }
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69 |
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70 | public void setQueryString(String querystring)
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71 | {
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72 | this.query_string = querystring;
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73 | }
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74 |
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75 | public void setProcessParams(Element params)
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76 | {
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77 | this.process_params = params;
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78 | }
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79 |
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80 | public void setManifestFile(String manifestFile)
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81 | {
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82 | this.manifest_file = manifestFile;
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83 | }
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84 |
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85 | public boolean addListener(ConstructionListener listener)
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86 | {
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87 | this.listeners.add(ConstructionListener.class, listener);
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88 | return true;
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89 | }
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90 |
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91 | public boolean removeListener(ConstructionListener listener)
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92 | {
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93 | this.listeners.remove(ConstructionListener.class, listener);
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94 | return true;
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95 | }
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96 |
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97 | protected void sendProcessBegun(ConstructionEvent evt)
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98 | {
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99 | Object[] concerned = this.listeners.getListenerList();
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100 | for (int i = 0; i < concerned.length; i += 2)
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101 | {
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102 | if (concerned[i] == ConstructionListener.class)
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103 | {
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104 | ((ConstructionListener) concerned[i + 1]).processBegun(evt);
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105 | }
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106 | }
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107 | }
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108 |
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109 | protected void sendProcessComplete(ConstructionEvent evt)
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110 | {
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111 | Object[] concerned = this.listeners.getListenerList();
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112 | for (int i = 0; i < concerned.length; i += 2)
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113 | {
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114 | if (concerned[i] == ConstructionListener.class)
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115 | {
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116 | ((ConstructionListener) concerned[i + 1]).processComplete(evt);
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117 | }
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118 | }
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119 | }
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120 |
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121 | protected void sendProcessStatus(ConstructionEvent evt)
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122 | {
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123 |
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124 | Object[] concerned = this.listeners.getListenerList();
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125 | for (int i = 0; i < concerned.length; i += 2)
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126 | {
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127 | if (concerned[i] == ConstructionListener.class)
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128 | {
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129 | ((ConstructionListener) concerned[i + 1]).processStatus(evt);
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130 | }
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131 | }
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132 | }
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133 |
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134 | protected void sendMessage(ConstructionEvent evt)
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135 | {
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136 |
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137 | Object[] concerned = this.listeners.getListenerList();
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138 | for (int i = 0; i < concerned.length; i += 2)
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139 | {
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140 | if (concerned[i] == ConstructionListener.class)
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141 | {
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142 | ((ConstructionListener) concerned[i + 1]).message(evt);
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143 | }
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144 | }
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145 | }
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146 |
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147 | abstract public void run();
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148 | }
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