1 | /*
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2 | * GSParams.java
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3 | * Copyright (C) 2008 New Zealand Digital Library, http://www.nzdl.org
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4 | *
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5 | * This program is free software; you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation; either version 2 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 | */
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19 | package org.greenstone.gsdl3.util;
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20 |
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21 | import java.util.HashMap;
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22 |
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23 | /** keeps track of the interface parameters, and their defaults */
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24 | public class GSParams
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25 | {
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26 |
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27 | // cgi parameter names
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28 | public static final String ACTION = "a"; // the major type of action- eg query or browse or process
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29 | public static final String SUBACTION = "sa"; // subtype of action if we want different processing than the default
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30 | public static final String REQUEST_TYPE = "rt"; // whether the request is just to display the service form, or to actually do a request to the service
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31 | public static final String RESPONSE_ONLY = "ro"; // if == 1 do the request and pass back the response xml - no page formatting
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32 | public static final String OUTPUT = "o"; // if processing is to be done, what type of output - html/xml/other??
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33 | public static final String SERVICE = "s"; // the name of the service
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34 |
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35 | public static final String CLUSTER = "c"; // these two are the same
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36 | public static final String COLLECTION = "c";
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37 | public static final String COLLECTION_TYPE = "ct"; // collection type - mg, mgpp, lucene etc
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38 |
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39 | public static final String LANGUAGE = "l";
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40 | public static final String DOCUMENT = "d";
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41 | public static final String DOCUMENT_TYPE = "dt";
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42 | public static final String HREF = "href"; // url. might be an external url, or a relative one that needs translating
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43 | public static final String RELATIVE_LINK = "rl"; // whether the href url is relative to the collection or not.
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44 | public static final String EXTERNAL_LINK_TYPE = "el"; // for an external link, go direct to the page or frame it in the collection
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45 | public static final String PROCESS_ID = "pid"; // if a request wasn't completed, this identifies the request - used when asking for a status update
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46 |
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47 |
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48 | public static final String HTTPHEADERFIELDS = "hhf";
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49 |
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50 | // internal configure args
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51 | public static final String SYSTEM_SUBSET = "ss";
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52 | public static final String SYSTEM_CLUSTER = "sc";
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53 | public static final String SYSTEM_MODULE_NAME = "sn";
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54 | public static final String SYSTEM_MODULE_TYPE = "st";
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55 |
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56 | // used for filtering out a piece of the final page
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57 | public static final String EXCERPT_ID = "excerptid";
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58 | public static final String EXCERPT_TAG = "excerpttag";
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59 |
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60 | public static final String INLINE_TEMPLATE = "ilt";
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61 | public static final String DISPLAY_METADATA = "dmd";
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62 | public static final String FILE_LOCATION = "fl";
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63 |
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64 | //Administration
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65 | public static final String PASSWORD = "password";
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66 | public static final String S_PASSWORD = "s1.password";
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67 | public static final String S_NEW_PASSWORD = "s1.newPassword";
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68 | public static final String S_OLD_PASSWORD = "s1.oldPassword";
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69 |
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70 | // some standard arg values
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71 | public static final String SYSTEM_ACTION = "s";
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72 |
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73 | public static final String EXTERNAL_LINK_TYPE_DIRECT = "direct";
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74 | public static final String EXTERNAL_LINK_TYPE_FRAMED = "frame";
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75 |
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76 | protected HashMap param_map = null;
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77 |
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78 | public GSParams()
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79 | {
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80 | this.param_map = new HashMap(30);
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81 |
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82 | // add in all the standard params
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83 | addParameter(ACTION, false);
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84 | addParameter(SUBACTION, false);
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85 | addParameter(REQUEST_TYPE, false);
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86 | addParameter(RESPONSE_ONLY, false);
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87 | addParameter(CLUSTER, false); // we don't want to save cluster/collection
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88 | addParameter(LANGUAGE, true);
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89 | addParameter(DOCUMENT, true);
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90 | addParameter(DOCUMENT_TYPE, true);
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91 | // should the following two just be in doc action??
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92 | addParameter(HREF, false);
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93 | addParameter(RELATIVE_LINK, false);
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94 | addParameter(OUTPUT, false);
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95 | addParameter(SERVICE, false);
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96 | addParameter(PROCESS_ID, true);
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97 | addParameter(SYSTEM_SUBSET, false);
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98 | addParameter(SYSTEM_CLUSTER, false);
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99 | addParameter(SYSTEM_MODULE_NAME, false);
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100 | addParameter(SYSTEM_MODULE_TYPE, false);
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101 | addParameter(INLINE_TEMPLATE, false);
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102 | addParameter(DISPLAY_METADATA, false);
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103 | addParameter(PASSWORD, false);
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104 | addParameter(S_PASSWORD, false);
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105 | addParameter(S_NEW_PASSWORD, false);
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106 | addParameter(S_OLD_PASSWORD, false);
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107 |
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108 | addParameter(COLLECTION_TYPE, true);
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109 | addParameter(EXTERNAL_LINK_TYPE, false);
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110 | // filtering args must be specified each time
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111 | addParameter(EXCERPT_ID, false);
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112 | addParameter(EXCERPT_TAG, false);
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113 | }
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114 |
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115 | public boolean addParameter(String name, boolean save)
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116 | {
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117 | return addParameter(name, "", save);
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118 | }
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119 |
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120 | public boolean addParameter(String name, String default_value, boolean save)
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121 | {
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122 | if (this.param_map.containsKey(name))
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123 | {
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124 | // already there so could not add
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125 | return false;
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126 | }
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127 |
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128 | this.param_map.put(name, new Param(default_value, save));
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129 | return true;
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130 | }
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131 |
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132 | public boolean setParamDefault(String name, String default_value)
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133 | {
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134 | Param p = (Param) this.param_map.get(name);
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135 | if (p == null)
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136 | return false;
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137 | p.default_value = default_value;
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138 | return true;
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139 | }
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140 |
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141 | public boolean shouldSave(String name)
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142 | {
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143 | // p. is used to store previous settings
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144 | if (name.startsWith("p."))
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145 | return false;
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146 | Param p = (Param) this.param_map.get(name);
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147 | if (p == null)
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148 | return true; // if things are not in here, always save.
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149 | return p.save;
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150 | }
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151 |
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152 | private class Param
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153 | {
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154 |
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155 | public String default_value = null;
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156 | public boolean save = true;
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157 |
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158 | public Param(String default_value, boolean save)
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159 | {
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160 | this.default_value = default_value;
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161 | this.save = save;
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162 | }
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163 | }
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164 | }
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