1 | /*
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2 | * Library2.java
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3 | * Copyright (C) 2002 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;
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20 |
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21 | import org.greenstone.gsdl3.core.*;
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22 | import org.greenstone.gsdl3.util.*;
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23 |
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24 | import org.w3c.dom.Document;
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25 | import org.w3c.dom.Element;
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26 | import org.w3c.dom.Node;
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27 |
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28 | import java.io.BufferedReader;
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29 | import java.io.InputStreamReader;
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30 | import java.io.File;
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31 | import java.io.IOException;
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32 | import java.util.HashMap;
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33 | import java.util.Set;
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34 | import java.util.Iterator;
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35 |
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36 | /**
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37 | * A program to take cgi args from the command line and return html
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38 | *
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39 | * @author <a href="mailto:[email protected]">Katherine Don</a>
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40 | * @version $Revision: 25635 $
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41 | */
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42 |
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43 | final public class Library2
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44 | {
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45 |
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46 | protected XMLConverter converter = null;
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47 | protected Document doc = null;
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48 |
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49 | protected HashMap<String, String> saved_args = null;
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50 | protected GSParams params = null;
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51 | protected DefaultReceptionist recept = null;
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52 |
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53 | public Library2()
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54 | {
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55 | this.converter = new XMLConverter();
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56 | this.doc = converter.newDOM();
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57 | this.saved_args = new HashMap<String, String>();
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58 | this.params = new GSParams();
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59 | this.recept = new DefaultReceptionist();
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60 | }
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61 |
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62 | public void configure(String site_name, String interface_name)
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63 | {
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64 |
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65 | HashMap<String, Comparable> config_params = new HashMap<String, Comparable>();
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66 | //config_params.put(GSConstants.GSDL3_HOME, gsdl_home);
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67 | config_params.put(GSConstants.SITE_NAME, site_name);
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68 | config_params.put(GSConstants.INTERFACE_NAME, interface_name);
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69 | // new message router - create it and pass a handle to recept.
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70 | // the servlet wont use this directly
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71 | MessageRouter message_router = new MessageRouter();
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72 |
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73 | message_router.setSiteName(site_name);
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74 | message_router.configure();
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75 | // new receptionist
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76 | recept.setConfigParams(config_params);
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77 | recept.setMessageRouter(message_router);
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78 | recept.setParams(params);
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79 | recept.configure();
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80 | }
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81 |
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82 | public static void main(String args[])
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83 | {
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84 |
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85 | if (args.length != 2)
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86 | {
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87 | System.out.println("Usage: Library2 <site name> <interface name>");
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88 | System.exit(1);
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89 | }
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90 |
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91 | Library2 library = new Library2();
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92 | library.configure(args[0], args[1]);
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93 |
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94 | BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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95 | String query = null;
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96 | String result = null;
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97 | while (true)
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98 | {
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99 | System.out.println("Please enter the cgi args (all on one line), or 'exit' to quit (default a=p&sa=home)");
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100 | try
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101 | {
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102 | query = br.readLine();
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103 | }
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104 | catch (Exception e)
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105 | {
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106 | System.err.println("Library2 exception:" + e.getMessage());
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107 | }
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108 | if (query.startsWith("exit"))
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109 | {
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110 | System.exit(1);
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111 | }
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112 |
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113 | result = library.process(query);
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114 |
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115 | System.out.println(result);
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116 |
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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 String process(String query)
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122 | {
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123 | Element xml_message = generateRequest(query);
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124 | System.out.println("*********************");
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125 | System.out.println(converter.getPrettyString(xml_message));
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126 | Node xml_result = recept.process(xml_message);
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127 | return this.converter.getPrettyString(xml_result);
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128 | }
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129 |
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130 | protected Element generateRequest(String cgiargs)
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131 | {
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132 |
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133 | Element xml_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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134 | Element xml_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", new UserContext());
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135 | xml_message.appendChild(xml_request);
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136 | Element xml_param_list = this.doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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137 | xml_request.appendChild(xml_param_list);
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138 |
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139 | // the defaults
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140 | String action = "p";
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141 | String subaction = "home";
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142 | String lang = saved_args.get(GSParams.LANGUAGE);
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143 | if (lang == null)
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144 | {
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145 | lang = "en";
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146 | }
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147 | String output = "html";
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148 |
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149 | String args[] = cgiargs.split("&");
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150 | for (int i = 0; i < args.length; i++)
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151 | {
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152 | String arg = args[i];
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153 | int pos = arg.indexOf('=');
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154 | if (pos == -1)
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155 | continue;
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156 | String name = arg.substring(0, pos);
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157 | String value = arg.substring(pos + 1);
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158 | if (name.equals(GSParams.ACTION))
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159 | {
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160 | action = value;
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161 | }
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162 | else if (name.equals(GSParams.SUBACTION))
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163 | {
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164 | subaction = (value);
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165 | }
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166 | else if (name.equals(GSParams.LANGUAGE))
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167 | {
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168 | lang = value;
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169 | saved_args.put(name, value);
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170 | }
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171 | else if (name.equals(GSParams.OUTPUT))
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172 | {
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173 | output = value;
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174 | }
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175 | else if (params.shouldSave(name))
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176 | {
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177 | saved_args.put(name, value);
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178 | }
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179 | else
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180 | {
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181 | // make a param now
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182 | Element param = doc.createElement(GSXML.PARAM_ELEM);
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183 | param.setAttribute(GSXML.NAME_ATT, name);
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184 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(value));
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185 | xml_param_list.appendChild(param);
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186 | }
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187 | }
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188 |
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189 | xml_request.setAttribute(GSXML.OUTPUT_ATT, output);
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190 | xml_request.setAttribute(GSXML.ACTION_ATT, action);
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191 | xml_request.setAttribute(GSXML.SUBACTION_ATT, subaction);
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192 | xml_request.setAttribute(GSXML.LANG_ATT, lang);
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193 |
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194 | // put in all the params from the session cache
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195 | Set<String> params = saved_args.keySet();
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196 | Iterator<String> i = params.iterator();
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197 | while (i.hasNext())
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198 | {
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199 | String name = i.next();
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200 | if (name.equals(GSParams.LANGUAGE))
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201 | continue;
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202 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
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203 | param.setAttribute(GSXML.NAME_ATT, name);
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204 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(saved_args.get(name)));
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205 | xml_param_list.appendChild(param);
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206 | }
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207 |
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208 | return xml_message;
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209 | }
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210 | }
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