1 | /* WRS 2.0 |
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2 | * Copyright (C) 2009 Anton Patrushev |
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3 | * |
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4 | * This program is free software; you can redistribute it and/or modify |
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5 | * it under the terms of the GNU General Public License as published by |
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6 | * the Free Software Foundation; either version 3 of the License, or |
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7 | * (at your option) any later version. |
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8 | * |
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9 | * This program is distributed in the hope that it will be useful, |
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10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
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13 | * |
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14 | * You should have received a copy of the GNU General Public License |
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15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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16 | */ |
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17 | |
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18 | import handler.HandlerFactory; |
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19 | import handler.ResourceHandler; |
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20 | |
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21 | import java.io.IOException; |
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22 | import java.util.ArrayList; |
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23 | import java.util.Enumeration; |
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24 | import java.util.HashMap; |
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25 | import java.util.Hashtable; |
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26 | import java.util.Iterator; |
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27 | import java.util.ListIterator; |
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28 | |
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29 | import javax.xml.bind.JAXBException; |
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30 | import javax.xml.parsers.ParserConfigurationException; |
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31 | |
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32 | import model.Profile; |
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33 | import model.Resource; |
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34 | import model.Service; |
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35 | import model.Template; |
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36 | |
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37 | import org.restlet.Component; |
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38 | import org.restlet.Restlet; |
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39 | import org.xml.sax.SAXException; |
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40 | |
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41 | import util.IOHelper; |
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42 | import util.Log; |
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43 | import util.Parameter; |
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44 | import util.ServiceRequest; |
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45 | import util.conf.Configuration; |
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46 | import util.conf.Configuration.Includes.Include; |
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47 | import util.format.FillerFactory; |
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48 | import util.format.FormatParser; |
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49 | import util.format.ParserFactory; |
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50 | import util.format.TemplateFiller; |
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51 | import util.profile.Profiles; |
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52 | import util.profile.Profiles.Profile.Resources.Rref; |
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53 | import util.resource.Resources; |
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54 | import util.Sref; |
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55 | |
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56 | import org.restlet.data.CharacterSet; |
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57 | import org.restlet.data.Form; |
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58 | import org.restlet.data.MediaType; |
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59 | import org.restlet.data.Method; |
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60 | import org.restlet.data.Protocol; |
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61 | import org.restlet.data.Request; |
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62 | import org.restlet.data.Response; |
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63 | import org.restlet.data.Status; |
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64 | |
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65 | import exception.InvalidProfileException; |
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66 | import exception.InvalidServiceException; |
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67 | import exception.InvalidTemplateException; |
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68 | import exception.InvalidVersionException; |
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69 | |
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70 | public class WRS |
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71 | { |
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72 | private Log log; |
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73 | private Configuration conf; |
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74 | |
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75 | private Hashtable<String, Service> services; |
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76 | private Hashtable<String, Profile> profiles; |
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77 | private Hashtable<String, Resource> resources; |
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78 | |
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79 | private String pUrl; |
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80 | |
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81 | @SuppressWarnings("unused") |
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82 | private static final String DEFAULT_VERSION = "1.1.0"; |
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83 | |
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84 | private enum Includes |
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85 | { |
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86 | TEMPLATES, SERVICES, PROFILES, RESOURCES; |
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87 | } |
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88 | |
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89 | private enum ParameterSources |
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90 | { |
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91 | URL, PROFILE, RESOURCE; |
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92 | } |
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93 | |
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94 | private enum MIMETypes |
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95 | { |
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96 | TEXT |
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97 | { |
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98 | MediaType getType() |
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99 | { |
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100 | return MediaType.TEXT_ALL; |
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101 | } |
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102 | }, |
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103 | JSON |
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104 | { |
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105 | MediaType getType() |
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106 | { |
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107 | return MediaType.TEXT_JAVASCRIPT; |
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108 | } |
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109 | }, |
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110 | HTML |
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111 | { |
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112 | MediaType getType() |
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113 | { |
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114 | return MediaType.TEXT_HTML; |
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115 | } |
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116 | }, |
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117 | XML |
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118 | { |
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119 | MediaType getType() |
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120 | { |
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121 | return MediaType.TEXT_XML; |
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122 | } |
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123 | }; |
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124 | |
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125 | abstract MediaType getType(); |
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126 | |
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127 | } |
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128 | |
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129 | public WRS(String[] args) throws Exception |
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130 | { |
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131 | if (!checkParams(args)) |
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132 | { |
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133 | System.out.println("Wrong parameters"); |
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134 | System.out.println("Usage: java WRS configuration.xml"); |
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135 | System.exit(0); |
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136 | } |
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137 | |
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138 | this.resources = new Hashtable<String, Resource>(); |
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139 | this.services = new Hashtable<String, Service>(); |
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140 | this.profiles = new Hashtable<String, Profile>(); |
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141 | |
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142 | this.conf = readConfig(args[0]); |
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143 | |
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144 | if (this.conf == null) |
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145 | { |
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146 | System.out.println("Failed to configure service."); |
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147 | System.exit(0); |
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148 | } |
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149 | |
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150 | log = new Log(this.conf.getLog().getUrl(), this.conf.getLog() |
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151 | .getLevel().byteValue()); |
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152 | log.logger.info("Hello world!"); |
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153 | |
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154 | Component component = new Component(); |
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155 | |
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156 | log.logger.finest("Starting service at port " + this.conf.getPort()); |
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157 | component.getServers().add(Protocol.HTTP, this.conf.getPort()); |
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158 | |
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159 | Restlet restlet = new Restlet() |
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160 | { |
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161 | |
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162 | synchronized public void handle(Request request, Response response) |
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163 | { |
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164 | log.logger.info("Handle request"); |
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165 | ServiceRequest serviceRequest = null; |
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166 | String result = ""; |
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167 | |
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168 | try |
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169 | { |
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170 | serviceRequest = parseURL(request); |
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171 | |
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172 | if (serviceRequest == null) |
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173 | throw new ArrayIndexOutOfBoundsException(); |
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174 | |
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175 | Resource resource = serviceRequest.getResource(); |
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176 | |
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177 | if (resource == null) |
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178 | { |
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179 | // TODO process this case carefully |
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180 | } |
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181 | else |
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182 | { |
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183 | try |
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184 | { |
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185 | ResourceHandler handler = HandlerFactory.Handler |
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186 | .valueOf(resource.getType().toUpperCase()) |
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187 | .getInstance(); |
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188 | handler.setResource(resource); |
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189 | |
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190 | ArrayList<HashMap<String, Parameter>> output = handler |
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191 | .handle(serviceRequest, log); |
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192 | |
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193 | String templateName = serviceRequest.getTemplate() |
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194 | .getName(); |
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195 | |
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196 | try |
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197 | { |
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198 | TemplateFiller filler = FillerFactory.Fillers |
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199 | .valueOf(templateName.toUpperCase()) |
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200 | .getInstance(); |
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201 | result = filler.fillOutputTemplate( |
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202 | serviceRequest, output, handler, log); |
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203 | } |
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204 | // TODO process the error more carefully |
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205 | catch (InstantiationException e) |
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206 | { |
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207 | log.logger.warning("Wrong output format " |
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208 | + templateName); |
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209 | } |
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210 | catch (IllegalAccessException e) |
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211 | { |
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212 | log.logger.warning("Wrong output format " |
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213 | + templateName); |
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214 | } |
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215 | catch (NullPointerException e) |
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216 | { |
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217 | log.logger.warning("Output format " |
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218 | + templateName |
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219 | + " is not supported yet."); |
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220 | } |
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221 | |
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222 | } |
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223 | // TODO process the error more carefully |
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224 | catch (InstantiationException e) |
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225 | { |
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226 | log.logger.warning("Wrong resource " |
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227 | + resource.getName()); |
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228 | } |
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229 | catch (IllegalAccessException e) |
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230 | { |
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231 | log.logger.warning("Wrong resource " |
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232 | + resource.getName()); |
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233 | } |
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234 | } |
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235 | |
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236 | String templateType = serviceRequest.getTemplate() |
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237 | .getFormat(); |
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238 | response.setEntity(result, MIMETypes.valueOf( |
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239 | templateType.toUpperCase()).getType()); |
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240 | // Magical thing you need to do to set a proper encoding |
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241 | response.getEntity().setCharacterSet( |
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242 | CharacterSet.valueOf("UTF-8")); |
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243 | } |
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244 | catch (InvalidVersionException e) |
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245 | { |
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246 | log.logger.warning("Invalid version '" + e.getVersion() |
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247 | + "'. Reqest can't be processed."); |
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248 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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249 | } |
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250 | catch (InvalidProfileException e) |
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251 | { |
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252 | log.logger.warning("Invalid profile '" + e.getProfileName() |
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253 | + "'. Reqest can't be processed."); |
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254 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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255 | } |
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256 | catch (InvalidServiceException e) |
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257 | { |
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258 | log.logger.warning("Invalid service '" + e.getServiceName() |
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259 | + "'. Reqest can't be processed."); |
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260 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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261 | } |
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262 | catch (InvalidTemplateException e) |
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263 | { |
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264 | log.logger.warning("Invalid format '" + e.getTemplateName() |
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265 | + "'. Reqest can't be processed."); |
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266 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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267 | } |
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268 | catch (ArrayIndexOutOfBoundsException e) |
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269 | { |
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270 | log.logger |
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271 | .warning("Invalid URL. Reqest can't be processed."); |
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272 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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273 | } |
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274 | catch (NullPointerException e) |
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275 | { |
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276 | log.logger |
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277 | .warning("Invalid URL. Reqest can't be processed."); |
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278 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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279 | } |
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280 | catch (IOException e) |
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281 | { |
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282 | log.logger |
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283 | .warning("Invalid profile. Reqest can't be processed."); |
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284 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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285 | } |
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286 | catch (ClassNotFoundException e) |
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287 | { |
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288 | log.logger |
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289 | .warning("Invalid profile. Reqest can't be processed."); |
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290 | response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST); |
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291 | } |
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292 | |
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293 | } |
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294 | }; |
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295 | component.getDefaultHost().attach("/{version}/{profile}/{service}", |
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296 | restlet); |
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297 | component.start(); |
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298 | |
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299 | } |
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300 | |
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301 | /** |
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302 | * Parses the url. |
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303 | * |
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304 | * @param req |
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305 | * the request to the restlet |
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306 | * |
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307 | * @return the service request |
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308 | * |
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309 | * @throws ArrayIndexOutOfBoundsException |
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310 | * the array index out of bounds exception |
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311 | * @throws InvalidVersionException |
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312 | * the invalid version exception |
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313 | * @throws InvalidProfileException |
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314 | * the invalid profile exception |
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315 | * @throws InvalidServiceException |
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316 | * the invalid service exception |
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317 | * @throws InvalidTemplateException |
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318 | * the invalid template exception |
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319 | * @throws ClassNotFoundException |
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320 | * @throws IOException |
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321 | */ |
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322 | @SuppressWarnings("unchecked") |
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323 | public ServiceRequest parseURL(Request req) |
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324 | throws ArrayIndexOutOfBoundsException, InvalidVersionException, |
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325 | InvalidProfileException, InvalidServiceException, |
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326 | InvalidTemplateException, IOException, ClassNotFoundException |
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327 | { |
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328 | // http://<servicedomain>:<port>/<version>/<profile>/<service>.<format>?<input>={<data>} |
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329 | |
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330 | String cVersion = (String) req.getAttributes().get("version"); |
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331 | |
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332 | if (!this.conf.getVersion().equals(cVersion)) |
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333 | { |
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334 | throw new InvalidVersionException(cVersion); |
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335 | } |
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336 | |
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337 | String pName = (String) req.getAttributes().get("profile"); |
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338 | readProfiles(pUrl); |
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339 | Profile cProfile = this.profiles.get(pName); |
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340 | |
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341 | if (cProfile == null) |
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342 | { |
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343 | throw new InvalidProfileException(pName); |
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344 | } |
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345 | |
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346 | String sName = ((String) req.getAttributes().get("service")) |
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347 | .split("\\.")[0]; |
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348 | ArrayList<Service> csList = (ArrayList) cProfile.getServices().get( |
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349 | sName); |
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350 | // TODO implement a rule |
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351 | Service cService = (Service) csList.get(0); |
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352 | |
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353 | if (cService == null) |
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354 | { |
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355 | throw new InvalidServiceException(sName); |
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356 | } |
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357 | |
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358 | String tName = ((String) req.getAttributes().get("service")) |
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359 | .split("\\.")[1]; |
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360 | |
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361 | Template cTemplate = cService.getTemplates().get(tName); |
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362 | |
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363 | if (cTemplate == null) |
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364 | { |
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365 | throw new InvalidTemplateException(tName); |
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366 | } |
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367 | |
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368 | ServiceRequest request = new ServiceRequest(cProfile, cService, |
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369 | cTemplate); |
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370 | |
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371 | findResource(request); |
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372 | |
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373 | // Pass parameters from resource to service request |
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374 | addParameters(request.getParameters(), request.getResource() |
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375 | .getParameters(), ParameterSources.RESOURCE.toString()); |
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376 | |
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377 | // Pass parameters from profile to service request |
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378 | addParameters(request.getParameters(), cProfile.getParameters(), |
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379 | ParameterSources.PROFILE.toString()); |
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380 | |
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381 | Form form = new Form(); |
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382 | // GET Request |
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383 | if (req.getMethod() == Method.GET) |
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384 | { |
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385 | String paramString; |
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386 | try |
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387 | { |
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388 | paramString = req.getResourceRef().getRemainingPart().split( |
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389 | "\\?")[1]; |
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390 | form = new Form(paramString); |
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391 | } |
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392 | catch (ArrayIndexOutOfBoundsException e) |
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393 | { |
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394 | // No parameters. It might happen. Do nothing. |
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395 | } |
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396 | } |
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397 | // POST Request |
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398 | else if (req.getMethod() == Method.POST) |
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399 | { |
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400 | form = req.getEntityAsForm(); |
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401 | } |
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402 | else |
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403 | { |
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404 | log.logger.finest("Method " + req.getMethod() |
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405 | + " is not supported yet."); |
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406 | return null; |
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407 | } |
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408 | |
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409 | Iterator<String> ni = form.getNames().iterator(); |
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410 | while (ni.hasNext()) |
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411 | { |
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412 | String inputFormat = ni.next(); |
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413 | String inputBody = form.getValuesMap().get(inputFormat); |
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414 | |
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415 | try |
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416 | { |
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417 | FormatParser parser = ParserFactory.Formats.valueOf( |
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418 | inputFormat.toUpperCase()).getInstance(); |
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419 | HashMap<String, Parameter> params = parser.parse(inputBody); |
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420 | addParameters(request.getParameters(), params, |
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421 | ParameterSources.URL.toString()); |
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422 | } |
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423 | // TODO process the error more carefully |
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424 | catch (InstantiationException e) |
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425 | { |
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426 | log.logger.warning("Wrong format " + inputFormat); |
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427 | } |
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428 | catch (IllegalAccessException e) |
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429 | { |
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430 | log.logger.warning("Wrong format " + inputFormat); |
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431 | } |
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432 | catch (NullPointerException e) |
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433 | { |
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434 | log.logger.warning("Format " + inputFormat |
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435 | + " is not supported yet."); |
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436 | } |
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437 | } |
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438 | |
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439 | return request; |
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440 | } |
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441 | |
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442 | /** |
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443 | * Adds the parameters. |
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444 | * |
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445 | * @param parameters |
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446 | * the parameters map |
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447 | * @param toAdd |
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448 | * the map to add to parameters map |
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449 | * @param source |
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450 | * the source of the parameters to add (URL, resource or profile) |
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451 | */ |
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452 | private void addParameters(HashMap<String, Parameter> parameters, |
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453 | HashMap<String, Parameter> toAdd, String source) |
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454 | { |
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455 | Iterator<String> it = toAdd.keySet().iterator(); |
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456 | while (it.hasNext()) |
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457 | { |
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458 | String key = it.next(); |
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459 | String value = toAdd.get(key).getValue(); |
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460 | Parameter paramToAdd = toAdd.get(key); |
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461 | |
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462 | if (parameters.containsKey(key)) |
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463 | { |
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464 | Parameter oldP = parameters.get(key); |
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465 | |
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466 | if (ParameterSources.valueOf(source).compareTo( |
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467 | ParameterSources.valueOf(oldP.getSource())) <= 0) |
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468 | { |
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469 | // Override parameter value only if it is allowed |
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470 | if (oldP.isConstant() == null || !oldP.isConstant()) |
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471 | { |
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472 | paramToAdd.setValue(value); |
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473 | paramToAdd.setSource(source); |
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474 | } |
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475 | else |
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476 | { |
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477 | paramToAdd.setValue(oldP.getValue()); |
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478 | paramToAdd.setSource(oldP.getSource()); |
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479 | } |
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480 | |
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481 | parameters.put(key, paramToAdd); |
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482 | } |
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483 | } |
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484 | else |
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485 | { |
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486 | paramToAdd.setSource(source); |
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487 | parameters.put(key, paramToAdd); |
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488 | } |
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489 | } |
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490 | // parameters.putAll(toAdd); |
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491 | } |
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492 | |
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493 | public static void main(String[] args) |
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494 | { |
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495 | try |
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496 | { |
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497 | new WRS(args); |
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498 | } |
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499 | catch (Exception e) |
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500 | { |
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501 | System.out.println("Error: Can't start the service."); |
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502 | e.printStackTrace(); |
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503 | } |
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504 | } |
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505 | |
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506 | /** |
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507 | * Read configuration XML file. |
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508 | * |
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509 | * @param url |
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510 | * the URL of a configuration file |
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511 | * |
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512 | * @return the configuration |
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513 | */ |
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514 | public Configuration readConfig(String url) |
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515 | { |
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516 | Configuration conf = null; |
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517 | |
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518 | try |
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519 | { |
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520 | conf = IOHelper.readConfig(Configuration.class, url); |
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521 | |
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522 | ListIterator<Include> li = conf.getIncludes().getInclude() |
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523 | .listIterator(); |
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524 | |
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525 | while (li.hasNext()) |
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526 | { |
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527 | Include inc = li.next(); |
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528 | |
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529 | switch (Includes.valueOf(inc.getName().toUpperCase())) |
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530 | { |
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531 | case SERVICES: |
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532 | readServices(inc.getUrl()); |
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533 | break; |
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534 | case PROFILES: |
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535 | readProfiles(inc.getUrl()); |
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536 | this.pUrl = inc.getUrl(); |
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537 | break; |
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538 | case RESOURCES: |
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539 | readResources(inc.getUrl()); |
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540 | break; |
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541 | } |
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542 | } |
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543 | |
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544 | } |
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545 | catch (SAXException e) |
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546 | { |
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547 | System.out.println("Wrong configuration file."); |
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548 | } |
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549 | catch (IOException e) |
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550 | { |
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551 | System.out.println("Can't open configuration file."); |
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552 | } |
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553 | catch (ParserConfigurationException e) |
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554 | { |
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555 | System.out.println("Wrong configuration file."); |
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556 | } |
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557 | catch (JAXBException e) |
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558 | { |
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559 | System.out.println("Wrong configuration file."); |
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560 | } |
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561 | |
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562 | return conf; |
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563 | } |
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564 | |
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565 | /** |
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566 | * Reads resources configuration file. |
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567 | * |
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568 | * @param url |
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569 | * the URL of a configuration file |
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570 | */ |
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571 | private void readResources(String url) |
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572 | { |
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573 | System.out.println("Read resources from " + url + " file."); |
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574 | Resources resources; |
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575 | try |
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576 | { |
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577 | resources = IOHelper.readConfig(Resources.class, url); |
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578 | ListIterator<util.resource.Resources.Resource> li = resources |
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579 | .getResource().listIterator(); |
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580 | while (li.hasNext()) |
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581 | { |
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582 | util.resource.Resources.Resource res = li.next(); |
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583 | Resource resource = new Resource(res.getName(), res.getType(), |
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584 | res.getUrl(), res.getUser(), res.getPassword(), res |
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585 | .getQuery()); |
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586 | |
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587 | ListIterator<Parameter> pi = res.getParameters().getParameter() |
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588 | .listIterator(); |
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589 | while (pi.hasNext()) |
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590 | { |
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591 | Parameter p = pi.next(); |
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592 | if (p.getSource() == null) |
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593 | p.setSource("resource"); |
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594 | resource.getParameters().put(p.getName(), p); |
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595 | } |
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596 | |
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597 | ListIterator<Sref> si = res.getServices().getSref() |
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598 | .listIterator(); |
---|
599 | while (si.hasNext()) |
---|
600 | { |
---|
601 | Sref sref = si.next(); |
---|
602 | Service service = this.services.get(sref.getRef()); |
---|
603 | if (service != null) |
---|
604 | { |
---|
605 | resource.getServices().put(service.getName(), service); |
---|
606 | } |
---|
607 | else |
---|
608 | { |
---|
609 | System.out.println("No such service: " + sref.getRef()); |
---|
610 | } |
---|
611 | } |
---|
612 | |
---|
613 | this.resources.put(resource.getName(), resource); |
---|
614 | } |
---|
615 | |
---|
616 | } |
---|
617 | catch (SAXException e) |
---|
618 | { |
---|
619 | System.out.println("Wrong resources configuration file."); |
---|
620 | } |
---|
621 | catch (IOException e) |
---|
622 | { |
---|
623 | System.out.println("Can't open resources configuration file."); |
---|
624 | } |
---|
625 | catch (ParserConfigurationException e) |
---|
626 | { |
---|
627 | System.out.println("Wrong resources configuration file."); |
---|
628 | } |
---|
629 | catch (JAXBException e) |
---|
630 | { |
---|
631 | System.out.println("Wrong resources configuration file."); |
---|
632 | } |
---|
633 | |
---|
634 | } |
---|
635 | |
---|
636 | /** |
---|
637 | * Reads profiles configuration file. |
---|
638 | * |
---|
639 | * @param url |
---|
640 | * the URL of a configuration file |
---|
641 | */ |
---|
642 | private void readProfiles(String url) |
---|
643 | { |
---|
644 | System.out.println("Read profiles from " + url + " file."); |
---|
645 | try |
---|
646 | { |
---|
647 | Profiles profiles = IOHelper.readConfig(Profiles.class, url); |
---|
648 | ListIterator<util.profile.Profiles.Profile> li = profiles |
---|
649 | .getProfile().listIterator(); |
---|
650 | while (li.hasNext()) |
---|
651 | { |
---|
652 | util.profile.Profiles.Profile prof = li.next(); |
---|
653 | Profile profile = new Profile(prof.getName()); |
---|
654 | profile.setDescription(prof.getDescription()); |
---|
655 | profile.setTitle(prof.getTitle()); |
---|
656 | |
---|
657 | // add self resource |
---|
658 | Resource self = this.resources.get("self"); |
---|
659 | Enumeration<String> si = self.getServices().keys(); |
---|
660 | while (si.hasMoreElements()) |
---|
661 | { |
---|
662 | String sk = si.nextElement(); |
---|
663 | profile.getServices().put(sk, self.getServices().get(sk)); |
---|
664 | |
---|
665 | } |
---|
666 | profile.getResources().put(self.getName(), self); |
---|
667 | |
---|
668 | ListIterator<Rref> ri = prof.getResources().getRref() |
---|
669 | .listIterator(); |
---|
670 | while (ri.hasNext()) |
---|
671 | { |
---|
672 | Rref rref = ri.next(); |
---|
673 | |
---|
674 | try |
---|
675 | { |
---|
676 | Resource res = this.resources.get(rref.getRef()); |
---|
677 | if (res != null) |
---|
678 | { |
---|
679 | /* |
---|
680 | * Enumeration<String> pi = |
---|
681 | * res.getParameters().keys(); while |
---|
682 | * (pi.hasMoreElements()) { String pk = |
---|
683 | * pi.nextElement(); profile.getParameters().put(pk, |
---|
684 | * res.getParameters().get(pk)); } |
---|
685 | */ |
---|
686 | si = res.getServices().keys(); |
---|
687 | while (si.hasMoreElements()) |
---|
688 | { |
---|
689 | String sk = si.nextElement(); |
---|
690 | profile.getServices().put(sk, |
---|
691 | res.getServices().get(sk)); |
---|
692 | |
---|
693 | } |
---|
694 | |
---|
695 | profile.getResources().put(res.getName(), res); |
---|
696 | } |
---|
697 | else |
---|
698 | { |
---|
699 | System.out.println("No such resource: " |
---|
700 | + rref.getRef()); |
---|
701 | } |
---|
702 | } |
---|
703 | catch (NullPointerException e) |
---|
704 | { |
---|
705 | System.out.println("Resource " + rref.getRef() |
---|
706 | + " is not properly configured"); |
---|
707 | } |
---|
708 | |
---|
709 | } |
---|
710 | |
---|
711 | ListIterator<Parameter> pi = prof.getParameters() |
---|
712 | .getParameter().listIterator(); |
---|
713 | while (pi.hasNext()) |
---|
714 | { |
---|
715 | Parameter p = pi.next(); |
---|
716 | if (p.getSource() == null) |
---|
717 | p.setSource("profile"); |
---|
718 | profile.getParameters().put(p.getName(), p); |
---|
719 | } |
---|
720 | |
---|
721 | this.profiles.put(profile.getName(), profile); |
---|
722 | |
---|
723 | } |
---|
724 | } |
---|
725 | catch (SAXException e) |
---|
726 | { |
---|
727 | System.out.println("Wrong profiles configuration file."); |
---|
728 | } |
---|
729 | catch (NullPointerException e) |
---|
730 | { |
---|
731 | System.out.println("Wrong profiles configuration file."); |
---|
732 | } |
---|
733 | catch (IOException e) |
---|
734 | { |
---|
735 | System.out.println("Can't open profiles configuration file."); |
---|
736 | } |
---|
737 | catch (ParserConfigurationException e) |
---|
738 | { |
---|
739 | System.out.println("Wrong profiles configuration file."); |
---|
740 | } |
---|
741 | catch (JAXBException e) |
---|
742 | { |
---|
743 | System.out.println("Wrong profiles configuration file."); |
---|
744 | } |
---|
745 | |
---|
746 | } |
---|
747 | |
---|
748 | /** |
---|
749 | * Reads templates configuration file. |
---|
750 | * |
---|
751 | * @param url |
---|
752 | * the URL of a configuration file |
---|
753 | */ |
---|
754 | private Template readTemplate(util.service.Template temp) |
---|
755 | { |
---|
756 | Template template = new Template(temp.getName(), temp.getFormat()); |
---|
757 | |
---|
758 | String body; |
---|
759 | try |
---|
760 | { |
---|
761 | body = IOHelper.readFile(temp.getUrl()); |
---|
762 | template.setBody(body); |
---|
763 | } |
---|
764 | catch (IOException e) |
---|
765 | { |
---|
766 | System.out |
---|
767 | .println("Can't open template body file " + temp.getUrl()); |
---|
768 | } |
---|
769 | |
---|
770 | return template; |
---|
771 | } |
---|
772 | |
---|
773 | /** |
---|
774 | * Reads services configuration file. |
---|
775 | * |
---|
776 | * @param url |
---|
777 | * the URL of a configuration file |
---|
778 | */ |
---|
779 | private void readServices(String url) |
---|
780 | { |
---|
781 | try |
---|
782 | { |
---|
783 | System.out.println("Read services from " + url + " file."); |
---|
784 | util.service.Services services = IOHelper.readConfig( |
---|
785 | util.service.Services.class, url); |
---|
786 | ListIterator<util.service.Services.Service> li = services |
---|
787 | .getService().listIterator(); |
---|
788 | |
---|
789 | while (li.hasNext()) |
---|
790 | { |
---|
791 | util.service.Services.Service serv = li.next(); |
---|
792 | Service service = new Service(serv.getName()); |
---|
793 | |
---|
794 | ListIterator<util.service.Template> tempi = serv.getTemplates() |
---|
795 | .getTemplate().listIterator(); |
---|
796 | while (tempi.hasNext()) |
---|
797 | { |
---|
798 | util.service.Template temp = tempi.next(); |
---|
799 | Template template = readTemplate(temp); |
---|
800 | service.getTemplates().put(template.getName(), template); |
---|
801 | } |
---|
802 | |
---|
803 | ListIterator<Parameter> inpi = serv.getIn().getParameter() |
---|
804 | .listIterator(); |
---|
805 | while (inpi.hasNext()) |
---|
806 | { |
---|
807 | Parameter param = inpi.next(); |
---|
808 | service.getIn().put(param.getName(), param); |
---|
809 | } |
---|
810 | ListIterator<Parameter> outpi = serv.getOut().getParameter() |
---|
811 | .listIterator(); |
---|
812 | while (outpi.hasNext()) |
---|
813 | { |
---|
814 | Parameter param = outpi.next(); |
---|
815 | service.getOut().put(param.getName(), param); |
---|
816 | } |
---|
817 | |
---|
818 | this.services.put(service.getName(), service); |
---|
819 | } |
---|
820 | } |
---|
821 | catch (SAXException e) |
---|
822 | { |
---|
823 | System.out.println("Wrong services configuration file."); |
---|
824 | } |
---|
825 | catch (NullPointerException e) |
---|
826 | { |
---|
827 | System.out.println("Wrong services configuration file."); |
---|
828 | } |
---|
829 | catch (IOException e) |
---|
830 | { |
---|
831 | System.out.println("Can't open services configuration file."); |
---|
832 | } |
---|
833 | catch (ParserConfigurationException e) |
---|
834 | { |
---|
835 | System.out.println("Wrong services configuration file."); |
---|
836 | } |
---|
837 | catch (JAXBException e) |
---|
838 | { |
---|
839 | System.out.println("Wrong services configuration file."); |
---|
840 | } |
---|
841 | } |
---|
842 | |
---|
843 | private boolean checkParams(String args[]) |
---|
844 | { |
---|
845 | boolean isOk = false; |
---|
846 | if (args.length == 1) |
---|
847 | isOk = true; |
---|
848 | return isOk; |
---|
849 | } |
---|
850 | |
---|
851 | /** |
---|
852 | * Find resource by service request. |
---|
853 | * |
---|
854 | * @param serviceRequest |
---|
855 | * the service request |
---|
856 | */ |
---|
857 | private void findResource(ServiceRequest serviceRequest) |
---|
858 | { |
---|
859 | Resource resource = null; |
---|
860 | |
---|
861 | Iterator<String> resKeys = serviceRequest.getProfile().getResources() |
---|
862 | .keySet().iterator(); |
---|
863 | while (resKeys.hasNext()) |
---|
864 | { |
---|
865 | Resource res = serviceRequest.getProfile().getResources().get( |
---|
866 | resKeys.next()); |
---|
867 | |
---|
868 | // Take the first resource which has requested service |
---|
869 | // TODO There could be more sophisticated rule for choosing a |
---|
870 | // resource |
---|
871 | |
---|
872 | if (res.getServices().containsKey( |
---|
873 | serviceRequest.getService().getName())) |
---|
874 | { |
---|
875 | resource = res; |
---|
876 | break; |
---|
877 | } |
---|
878 | } |
---|
879 | |
---|
880 | serviceRequest.setResource(resource); |
---|
881 | } |
---|
882 | |
---|
883 | } |
---|