1 | /*
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2 | * LibraryCommandline.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 | import org.greenstone.util.GlobalProperties;
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24 |
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25 | import org.w3c.dom.Document;
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26 | import org.w3c.dom.Element;
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27 | import org.w3c.dom.Node;
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28 |
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29 | import java.io.BufferedReader;
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30 | import java.io.InputStreamReader;
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31 | import java.io.File;
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32 | import java.io.IOException;
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33 | import java.util.HashMap;
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34 | import java.util.Set;
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35 | import java.util.Iterator;
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36 |
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37 | /**
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38 | * A program to take cgi args from the command line and return html
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39 | *
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40 | */
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41 |
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42 | final public class LibraryCommandline
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43 | {
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44 | protected HashMap<String, String> saved_args = null;
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45 | protected GSParams params = null;
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46 | protected DefaultReceptionist recept = null;
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47 |
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48 | public LibraryCommandline()
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49 | {
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50 | this.saved_args = new HashMap<String, String>();
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51 | this.params = new GSParams();
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52 | this.recept = new DefaultReceptionist();
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53 | }
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54 |
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55 | public void configure(String site_name, String interface_name)
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56 | {
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57 |
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58 | HashMap<String, Object> config_params = new HashMap<String, Object>();
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59 | //config_params.put(GSConstants.GSDL3_HOME, gsdl_home);
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60 | config_params.put(GSConstants.SITE_NAME, site_name);
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61 | config_params.put(GSConstants.INTERFACE_NAME, interface_name);
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62 | config_params.put(GSConstants.ALLOW_CLIENT_SIDE_XSLT, false);
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63 |
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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.setSiteName(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 |
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77 | /*
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78 | * On Linux, run as:
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79 | * GS3> java -classpath "web/WEB-INF/lib/*":"lib/jni/*" org.greenstone.gsdl3.LibraryCommandline localsite default
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80 | * Press enter to accept the default cgi-args to pass in.
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81 | *
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82 | * For how to include all jars in a folder into the classpath to run a java program, see
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83 | * http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath
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84 | * http://stackoverflow.com/questions/6780678/run-class-in-jar-file
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85 | */
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86 | public static void main(String args[])
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87 | {
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88 |
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89 | if (System.getenv("GSDL3SRCHOME") == null) {
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90 | System.out.println("Before calling this script, run: source gs3-setup.sh");
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91 | System.exit(1);
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92 | }
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93 |
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94 | if (args.length != 2)
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95 | {
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96 | System.out.println("Usage: LibraryCommandline <site name> <interface name>");
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97 | System.exit(1);
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98 | }
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99 |
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100 | // force GlobalProperties to default GSDL3HOME to GSDL3SRCHOME/web if not already set
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101 | GlobalProperties.loadGlobalProperties("");
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102 |
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103 | LibraryCommandline library = new LibraryCommandline();
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104 | library.configure(args[0], args[1]);
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105 |
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106 | BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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107 | String query = null;
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108 | String result = null;
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109 | while (true)
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110 | {
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111 | 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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112 | try
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113 | {
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114 | query = br.readLine();
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115 | }
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116 | catch (Exception e)
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117 | {
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118 | System.err.println("LibraryCommandline exception:" + e.getMessage());
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119 | }
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120 | if (query.startsWith("exit"))
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121 | {
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122 | System.exit(1);
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123 | }
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124 |
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125 | result = library.process(query);
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126 |
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127 | System.out.println(result);
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128 |
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129 | }
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130 |
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131 | }
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132 |
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133 | protected String process(String query)
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134 | {
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135 | Element xml_message = generateRequest(query);
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136 | System.out.println("*********************");
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137 | System.out.println(XMLConverter.getPrettyString(xml_message));
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138 | Node xml_result = recept.process(xml_message);
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139 | return XMLConverter.getPrettyString(xml_result);
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140 | }
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141 |
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142 | protected Element generateRequest(String cgiargs)
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143 | {
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144 |
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145 | Document msg_doc = XMLConverter.newDOM();
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146 | Element xml_message = msg_doc.createElement(GSXML.MESSAGE_ELEM);
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147 | Element xml_request = GSXML.createBasicRequest(msg_doc, GSXML.REQUEST_TYPE_PAGE, "", new UserContext());
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148 | xml_message.appendChild(xml_request);
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149 | Element xml_param_list = msg_doc.createElement(GSXML.PARAM_ELEM + GSXML.LIST_MODIFIER);
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150 | xml_request.appendChild(xml_param_list);
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151 |
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152 | // the defaults
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153 | String action = "p";
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154 | String subaction = "home";
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155 | String lang = saved_args.get(GSParams.LANGUAGE);
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156 | if (lang == null)
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157 | {
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158 | lang = "en";
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159 | }
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160 | String output = "html";
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161 |
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162 | String args[] = cgiargs.split("&");
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163 | for (int i = 0; i < args.length; i++)
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164 | {
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165 | String arg = args[i];
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166 | int pos = arg.indexOf('=');
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167 | if (pos == -1)
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168 | continue;
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169 | String name = arg.substring(0, pos);
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170 | String value = arg.substring(pos + 1);
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171 | if (name.equals(GSParams.ACTION))
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172 | {
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173 | action = value;
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174 | }
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175 | else if (name.equals(GSParams.SUBACTION))
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176 | {
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177 | subaction = (value);
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178 | }
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179 | else if (name.equals(GSParams.LANGUAGE))
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180 | {
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181 | lang = value;
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182 | saved_args.put(name, value);
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183 | }
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184 | else if (name.equals(GSParams.OUTPUT))
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185 | {
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186 | output = value;
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187 | }
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188 | else if (params.shouldSave(name))
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189 | {
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190 | saved_args.put(name, value);
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191 | }
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192 | else
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193 | {
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194 | // make a param now
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195 | Element param = msg_doc.createElement(GSXML.PARAM_ELEM);
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196 | param.setAttribute(GSXML.NAME_ATT, name);
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197 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(value));
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198 | xml_param_list.appendChild(param);
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199 | }
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200 | }
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201 |
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202 | xml_request.setAttribute(GSXML.OUTPUT_ATT, output);
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203 | xml_request.setAttribute(GSXML.ACTION_ATT, action);
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204 | xml_request.setAttribute(GSXML.SUBACTION_ATT, subaction);
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205 | xml_request.setAttribute(GSXML.LANG_ATT, lang);
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206 |
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207 | // put in all the params from the session cache
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208 | Set<String> params = saved_args.keySet();
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209 | Iterator<String> i = params.iterator();
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210 | while (i.hasNext())
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211 | {
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212 | String name = i.next();
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213 | if (name.equals(GSParams.LANGUAGE))
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214 | continue;
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215 | Element param = msg_doc.createElement(GSXML.PARAM_ELEM);
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216 | param.setAttribute(GSXML.NAME_ATT, name);
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217 | param.setAttribute(GSXML.VALUE_ATT, GSXML.xmlSafe(saved_args.get(name)));
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218 | xml_param_list.appendChild(param);
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219 | }
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220 |
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221 | return xml_message;
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222 | }
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223 | }
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