1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany
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2 | //
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3 | // Licensed under the Apache License, Version 2.0 (the "License");
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4 | // you may not use this file except in compliance with the License.
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5 | // You may obtain a copy of the License at
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6 | //
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7 | // http://www.apache.org/licenses/LICENSE-2.0
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8 | //
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9 | // Unless required by applicable law or agreed to in writing, software
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10 | // distributed under the License is distributed on an "AS IS" BASIS,
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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12 | // See the License for the specific language governing permissions and
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13 | // limitations under the License.
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14 |
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15 | package de.ugoe.cs.autoquest.plugin.http.eventcore;
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16 |
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17 | import java.io.ByteArrayInputStream;
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18 | import java.io.IOException;
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19 | import java.util.Collections;
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20 | import java.util.HashMap;
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21 | import java.util.Map;
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22 | import java.util.Random;
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23 | import java.util.Set;
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24 |
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25 | import javax.xml.parsers.DocumentBuilderFactory;
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26 | import javax.xml.parsers.ParserConfigurationException;
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27 |
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28 | import org.apache.commons.collections4.set.ListOrderedSet;
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29 | import org.w3c.dom.Element;
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30 | import org.xml.sax.SAXException;
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31 |
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32 | import de.ugoe.cs.autoquest.eventcore.IEventType;
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33 | import de.ugoe.cs.autoquest.plugin.http.HTTPUtils;
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34 | import de.ugoe.cs.autoquest.plugin.http.SOAPUtils;
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35 |
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36 | /**
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37 | * <p>
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38 | * A simplified SOAP event type that only contains the name of the called method and the name of the
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39 | * service.
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40 | * </p>
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41 | *
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42 | * @author Steffen Herbold
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43 | */
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44 | public class SimpleSOAPEventType implements IEventType {
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45 |
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46 | /** */
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47 | private static final long serialVersionUID = 1L;
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48 |
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49 | /**
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50 | * see {@link RequestBodyMode}
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51 | */
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52 | private static RequestBodyMode requestBodyMode = RequestBodyMode.LOCALEVENT;
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53 |
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54 | /**
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55 | * <p>
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56 | * the SOAP method called in this request
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57 | * </p>
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58 | */
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59 | private final String calledMethod;
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60 |
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61 | /**
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62 | * <p>
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63 | * the name of the service; this is either the path or, if a path map is available
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64 | * </p>
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65 | */
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66 | private final String serviceName;
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67 |
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68 | /**
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69 | * <p>
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70 | * the name of the client; this is either the host/ip and port of the sender or, if a path map
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71 | * is available, a human readable name that may be based also on the receiver
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72 | * </p>
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73 | */
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74 | private final String clientName;
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75 |
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76 | /**
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77 | * <p>
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78 | * the body of the SOAP request; storage as serialized XML string to allow object serialization
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79 | * </p>
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80 | */
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81 | private final String soapRequestBody;
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82 |
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83 | /**
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84 | * <p>
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85 | * Constructor. Creates a new SimpleSOAPEventType.
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86 | * </p>
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87 | *
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88 | */
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89 | public SimpleSOAPEventType(String calledMethod,
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90 | String serviceName,
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91 | String clientName,
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92 | Element soapRequestBody)
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93 | {
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94 | if (calledMethod == null) {
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95 | throw new IllegalArgumentException("called method must not be null");
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96 | }
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97 | if (serviceName == null) {
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98 | throw new IllegalArgumentException("serviceName must not be null");
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99 | }
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100 | if (clientName == null) {
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101 | throw new IllegalArgumentException("clientName must not be null");
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102 | }
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103 | this.calledMethod = calledMethod;
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104 | this.serviceName = serviceName;
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105 | this.clientName = clientName;
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106 | this.soapRequestBody = SOAPUtils.getSerialization(soapRequestBody);
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107 | EqualSOAPDataMap.INSTANCE.add(this, this.soapRequestBody);
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108 | }
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109 |
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110 | /**
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111 | * <p>
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112 | * the SOAP method called in this request
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113 | * </p>
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114 | *
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115 | * @return the SOAP method called in this request
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116 | */
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117 | public String getCalledMethod() {
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118 | return calledMethod;
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119 | }
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120 |
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121 | /**
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122 | * <p>
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123 | * the name of the service called in this request
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124 | * </p>
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125 | *
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126 | * @return the name of the service called in this request
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127 | */
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128 | public String getServiceName() {
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129 | return serviceName;
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130 | }
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131 |
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132 | /**
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133 | * <p>
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134 | * the name of the client calling in this request
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135 | * </p>
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136 | *
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137 | * @return the name of the client calling in this request
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138 | */
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139 | public String getClientName() {
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140 | return clientName;
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141 | }
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142 |
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143 | /**
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144 | * <p>
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145 | * returns the body of the SOAP request; how the body is determined is defined by the {@link RequestBodyMode}.
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146 | * </p>
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147 | *
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148 | * @return body of the SOAP request
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149 | */
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150 | public Element getSoapRequestBody() {
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151 | String requestBody;
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152 | switch (requestBodyMode)
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153 | {
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154 | case LOCALEVENT:
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155 | requestBody = soapRequestBody;
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156 | break;
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157 | case RANDOM:
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158 | requestBody = EqualSOAPDataMap.INSTANCE.getRandom(this);
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159 | break;
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160 | default:
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161 | throw new RuntimeException("undefined RequestBodyMode");
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162 | }
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163 | if( requestBody==null ) {
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164 | System.err.println("foobar" + this);
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165 | System.err.println(EqualSOAPDataMap.INSTANCE.getAll(this));
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166 | }
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167 | try {
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168 | return DocumentBuilderFactory.newInstance().newDocumentBuilder()
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169 | .parse(new ByteArrayInputStream(requestBody.getBytes())).getDocumentElement();
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170 | }
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171 | catch (SAXException | IOException | ParserConfigurationException e) {
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172 | return null;
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173 | }
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174 | }
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175 |
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176 |
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177 |
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178 | /*
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179 | * (non-Javadoc)
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180 | *
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181 | * @see de.ugoe.cs.autoquest.eventcore.IEventType#getName()
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182 | */
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183 | @Override
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184 | public String getName() {
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185 | return "(" + serviceName + ", " + calledMethod + ")";
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186 | }
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187 |
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188 | /*
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189 | * (non-Javadoc)
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190 | *
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191 | * @see de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPEventType#equals(java.lang.Object)
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192 | */
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193 | @Override
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194 | public boolean equals(Object obj) {
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195 | if (this == obj) {
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196 | return true;
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197 | }
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198 | else if (obj instanceof SimpleSOAPEventType) {
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199 | return HTTPUtils.equals(calledMethod, ((SimpleSOAPEventType) obj).calledMethod) &&
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200 | HTTPUtils.equals(serviceName, ((SimpleSOAPEventType) obj).serviceName) &&
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201 | HTTPUtils.equals(clientName, ((SimpleSOAPEventType) obj).clientName);
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202 | }
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203 | else {
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204 | return false;
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205 | }
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206 | }
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207 |
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208 | /*
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209 | * (non-Javadoc)
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210 | *
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211 | * @see de.ugoe.cs.autoquest.plugin.http.eventcore.HTTPEventType#hashCode()
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212 | */
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213 | @Override
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214 | public int hashCode() {
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215 | int hashCode = calledMethod.hashCode() + serviceName.hashCode() + clientName.hashCode();
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216 | return hashCode;
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217 | }
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218 |
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219 | /*
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220 | * (non-Javadoc)
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221 | *
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222 | * @see java.lang.Object#toString()
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223 | */
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224 | @Override
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225 | public String toString() {
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226 | return "SimpleSOAPEventType(" + serviceName + ", " + calledMethod + ")";
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227 | }
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228 |
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229 | /**
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230 | * <p>
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231 | * returns the current {@link RequestBodyMode}
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232 | * </p>
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233 | *
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234 | * @return the requestBodyMode
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235 | */
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236 | public static RequestBodyMode getRequestBodyMode() {
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237 | return requestBodyMode;
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238 | }
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239 |
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240 | /**
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241 | * <p>
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242 | * sets the {@link RequestBodyMode}
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243 | * </p>
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244 | *
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245 | * @param new requestBodyMode
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246 | */
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247 | public static void setRequestBodyMode(RequestBodyMode requestBodyMode) {
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248 | SimpleSOAPEventType.requestBodyMode = requestBodyMode;
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249 | }
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250 |
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251 | /**
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252 | * <p>
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253 | * Determines how getSoapRequestBody works.
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254 | * <ul>
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255 | * <li>LOCALEVENT: returns the request body of the event type itself</li>
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256 | * <li>RANDOM: returns a randomly draw request body for the called method using {@link EqualSOAPDataMap#getRandom(SimpleSOAPEventType)}.
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257 | * </ul>
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258 | * </p>
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259 | *
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260 | * @author Steffen Herbold
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261 | */
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262 | public static enum RequestBodyMode {LOCALEVENT, RANDOM};
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263 |
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264 | /**
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265 | * <p>
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266 | * Handles all request bodies of equal SOAP events. Can be used to view either all request bodies sent to an operation or to randomly draw one of the bodies.
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267 | * </p>
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268 | *
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269 | * @author Steffen Herbold
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270 | */
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271 | public static class EqualSOAPDataMap {
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272 |
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273 | /**
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274 | * Singleton. Handle to only instance of this class
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275 | */
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276 | public final static EqualSOAPDataMap INSTANCE = new EqualSOAPDataMap();
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277 |
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278 | /**
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279 | * Map with all soapRequestBodies for all equal {@link SimpleSOAPEventType}s
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280 | */
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281 | private final Map<SimpleSOAPEventType, ListOrderedSet<String>> soapRequestBodies = new HashMap<>();
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282 |
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283 | /**
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284 | * random number generator for picking a random request body
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285 | */
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286 | private final Random random = new Random(1); // TODO static seed for testing
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287 |
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288 | private EqualSOAPDataMap() {
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289 | // private constructor to avoid initialization
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290 | }
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291 |
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292 | /**
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293 | * <p>
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294 | * Adds a new body to the map.
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295 | * </p>
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296 | *
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297 | * @param simpleSOAPEventType
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298 | */
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299 | public void add(SimpleSOAPEventType simpleSOAPEventType, String soapRequestBody) {
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300 | if( soapRequestBody!=null ) {
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301 | ListOrderedSet<String> requestBodySet = soapRequestBodies.get(simpleSOAPEventType);
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302 | if( requestBodySet==null ) {
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303 | requestBodySet = new ListOrderedSet<>();
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304 | soapRequestBodies.put(simpleSOAPEventType, requestBodySet);
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305 | }
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306 | requestBodySet.add(soapRequestBody);
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307 | }
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308 | }
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309 |
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310 | /**
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311 | * <p>
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312 | * Retrieves all bodies associated with the simpleSoapEventType; null if not found
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313 | * </p>
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314 | *
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315 | * @param simpleSoapEventType
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316 | * @return
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317 | */
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318 | public Set<String> getAll(SimpleSOAPEventType simpleSoapEventType) {
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319 | return Collections.unmodifiableSet(soapRequestBodies.get(simpleSoapEventType));
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320 | }
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321 |
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322 | /**
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323 | * <p>
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324 | * Randomly draws one of the SOAP event type bodies associated with the event
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325 | * </p>
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326 | *
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327 | * @param simpleSOAPEventType
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328 | * @return
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329 | */
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330 | public String getRandom(SimpleSOAPEventType simpleSOAPEventType) {
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331 | ListOrderedSet<String> requestBodySet = soapRequestBodies.get(simpleSOAPEventType);
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332 | if( requestBodySet==null || requestBodySet.isEmpty() ) {
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333 | throw new RuntimeException("no request body known for SimpleSOAPEventType: " + simpleSOAPEventType);
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334 | }
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335 |
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336 | return requestBodySet.get(random.nextInt(requestBodySet.size()));
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337 | }
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338 | }
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339 | }
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