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 |
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27 | import java.io.BufferedReader;
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28 | import java.io.InputStreamReader;
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29 | import java.io.File;
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30 | import java.io.IOException;
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31 | import java.util.HashMap;
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32 | import java.util.Set;
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33 | import java.util.Iterator;
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34 | /**
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35 | * A program to take cgi args from the command line and return html
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36 | *
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37 | * @author <a href="mailto:[email protected]">Katherine Don</a>
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38 | * @version $Revision: 6300 $
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39 | */
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40 |
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41 | final public class Library2 {
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42 |
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43 | protected XMLConverter converter = null;
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44 | protected Document doc = null;
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45 |
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46 | protected HashMap saved_args = null;
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47 | protected GSParams params = null;
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48 | protected DefaultReceptionist recept = null;
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49 |
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50 | public Library2 (){
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51 | this.converter = new XMLConverter();
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52 | this.doc = converter.newDOM();
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53 | this.saved_args = new HashMap();
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54 | this.params = new GSParams();
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55 | this.recept = new DefaultReceptionist();
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56 | }
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57 |
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58 | public void configure(String gsdl_home, String site_name, String interface_name) {
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59 |
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60 | HashMap config_params = new HashMap();
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61 | config_params.put(GSConstants.GSDL3_HOME, gsdl_home);
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62 | config_params.put(GSConstants.SITE_NAME, site_name);
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63 | config_params.put(GSConstants.INTERFACE_NAME, interface_name);
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64 | // new message router - create it and pass a handle to recept.
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65 | // the servlet wont use this directly
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66 | MessageRouter message_router = new MessageRouter();
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67 |
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68 | message_router.setSiteHome(GSFile.siteHome(gsdl_home, site_name));
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69 | message_router.configure();
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70 | // new receptionist
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71 | recept.setConfigParams(config_params);
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72 | recept.setMessageRouter(message_router);
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73 | recept.setParams(params);
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74 | recept.configure();
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75 | }
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76 | public static void main(String args[]) {
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77 |
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78 | if (args.length != 3) {
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79 | System.out.println("Usage: Library2 <gsdl3 home> <site name> <interface name>");
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80 | System.exit(1);
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81 | }
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82 |
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83 | Library2 library = new Library2();
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84 | library.configure(args[0], args[1], args[2]);
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85 |
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86 |
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87 | BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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88 | String query=null;
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89 | String result=null;
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90 | while (true) {
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91 | 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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92 | try {
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93 | query = br.readLine();
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94 | } catch (Exception e) {
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95 | System.err.println("Library2 exception:"+e.getMessage());
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96 | }
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97 | if (query.startsWith("exit")) {
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98 | System.exit(1);
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99 | }
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100 |
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101 | result = library.process(query);
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102 |
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103 | System.out.println(result);
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104 |
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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 |
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110 | protected String process(String query) {
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111 | Element xml_message = generateRequest(query);
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112 | System.out.println("*********************");
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113 | System.out.println(converter.getPrettyString(xml_message));
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114 | Element xml_result = recept.process(xml_message);
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115 | return this.converter.getPrettyString(xml_result);
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116 | }
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117 | protected Element generateRequest(String cgiargs) {
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118 |
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119 | Element xml_message = this.doc.createElement(GSXML.MESSAGE_ELEM);
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120 | Element xml_request = GSXML.createBasicRequest(this.doc, GSXML.REQUEST_TYPE_PAGE, "", "", "");
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121 | xml_message.appendChild(xml_request);
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122 | Element xml_param_list = this.doc.createElement(GSXML.PARAM_ELEM+GSXML.LIST_MODIFIER);
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123 | xml_request.appendChild(xml_param_list);
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124 |
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125 | // the defaults
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126 | String action = "p";
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127 | String subaction = "home";
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128 | String lang = (String)saved_args.get(GSParams.LANGUAGE);
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129 | if (lang == null) {
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130 | lang = "en";
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131 | }
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132 | String output = "html";
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133 |
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134 | String args [] = cgiargs.split("&");
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135 | for (int i=0; i<args.length; i++) {
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136 | String arg = args[i];
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137 | int pos = arg.indexOf('=');
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138 | if (pos == -1) continue;
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139 | String name = arg.substring(0, pos);
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140 | String value = arg.substring(pos+1);
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141 | if (name.equals(GSParams.ACTION)) {
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142 | action = value;
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143 | } else if (name.equals(GSParams.SUBACTION)) {
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144 | subaction = (value);
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145 | } else if (name.equals(GSParams.LANGUAGE)) {
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146 | lang = value;
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147 | saved_args.put(name, value);
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148 | } else if (name.equals(GSParams.OUTPUT)) {
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149 | output = value;
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150 | } else if (params.shouldSave(name)) {
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151 | saved_args.put(name, value);
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152 | } else {
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153 | // make a param now
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154 | Element param = doc.createElement(GSXML.PARAM_ELEM);
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155 | param.setAttribute(GSXML.NAME_ATT, name);
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156 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(value));
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157 | xml_param_list.appendChild(param);
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158 | }
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159 | }
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160 |
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161 | xml_request.setAttribute(GSXML.OUTPUT_ATT, output);
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162 | xml_request.setAttribute(GSXML.ACTION_ATT, action);
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163 | xml_request.setAttribute(GSXML.SUBACTION_ATT, subaction);
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164 | xml_request.setAttribute(GSXML.LANG_ATT, lang);
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165 |
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166 |
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167 | // put in all the params from the session cache
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168 | Set params = saved_args.keySet();
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169 | Iterator i = params.iterator();
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170 | while (i.hasNext()) {
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171 | String name = (String)i.next();
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172 | if (name.equals(GSParams.LANGUAGE)) continue;
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173 | Element param = this.doc.createElement(GSXML.PARAM_ELEM);
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174 | param.setAttribute(GSXML.NAME_ATT, name);
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175 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe((String)saved_args.get(name)));
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176 | xml_param_list.appendChild(param);
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177 | }
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178 |
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179 | return xml_message;
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180 | }
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181 | }
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182 |
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183 |
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