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annotate flys-client/src/main/java/de/intevation/flys/client/server/ArtifactDescriptionFactory.java @ 1571:1227878665b5

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Introduced a DataFactory that should be used to create new Data instances. flys-client/trunk@3836 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 31 Jan 2012 10:34:54 +0000
parents c408074c6409
children f34bbb5fb6d2
rev   line source
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1 package de.intevation.flys.client.server;
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3 import java.util.ArrayList;
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4 import java.util.List;
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6 import javax.xml.xpath.XPathConstants;
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8 import org.w3c.dom.Document;
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9 import org.w3c.dom.Element;
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10 import org.w3c.dom.Node;
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11 import org.w3c.dom.NodeList;
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13 import org.apache.log4j.Logger;
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15 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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16 import de.intevation.artifacts.common.utils.ClientProtocolUtils;
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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19 import de.intevation.flys.client.shared.model.ArtifactDescription;
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20 import de.intevation.flys.client.shared.model.DataItem;
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21 import de.intevation.flys.client.shared.model.DataList;
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22 import de.intevation.flys.client.shared.model.DefaultArtifactDescription;
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23 import de.intevation.flys.client.shared.model.DefaultData;
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24 import de.intevation.flys.client.shared.model.DefaultDataItem;
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25 import de.intevation.flys.client.shared.model.DefaultOutputMode;
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26 import de.intevation.flys.client.shared.model.IntegerArrayData;
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27 import de.intevation.flys.client.shared.model.IntegerRangeData;
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28 import de.intevation.flys.client.shared.model.IntegerOptionsData;
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29 import de.intevation.flys.client.shared.model.OutputMode;
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30 import de.intevation.flys.client.shared.model.Recommendation;
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31 import de.intevation.flys.client.shared.model.WQDataItem;
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34 /**
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35 * This factory class helps creating an {@link ArtifactDescription} based on the
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36 * DESCRIBE document of an artifact returned by the artifact server. Use the
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37 * {@link createArtifactDescription(org.w3c.dom.Document)} method with the
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38 * DESCRIBE document to create such an {@link ArtifactDescription}.
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39 *
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40 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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41 */
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42 public class ArtifactDescriptionFactory {
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44 private static final Logger logger =
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45 Logger.getLogger(ArtifactDescriptionFactory.class);
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48 public static final String XPATH_STATE_NAME = "@art:name";
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49
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50 public static final String XPATH_UIPROVIDER = "@art:uiprovider";
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52 public static final String XPATH_REACHABLE_STATE = "art:state";
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53
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54 public static final String XPATH_STATIC_STATE_NODE = "art:state";
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55
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56 public static final String XPATH_STATIC_DATA_NODE = "art:data";
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58 public static final String XPATH_STATIC_ITEM_NODE = "art:item";
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59
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60 public static final String XPATH_RECOMMENDED_ARTIFACTS =
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61 "/art:result/art:recommended-artifacts//*[@factory]";
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63 /**
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64 * This method creates the {@link ArtifactDescription} of the DESCRIBE
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65 * document <i>doc</i>.
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66 *
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67 * @param doc A DESCRIBE document.
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68 *
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69 * @return the {@link ArtifactDescription}.
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70 */
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71 public static ArtifactDescription createArtifactDescription(Document doc) {
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72 logger.debug("ArtifactDescriptionFactory.createArtifactDescription");
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74 Node currentState = ClientProtocolUtils.getCurrentState(doc);
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75 Node staticNode = ClientProtocolUtils.getStaticUI(doc);
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76 Node dynamicNode = ClientProtocolUtils.getDynamicUI(doc);
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77 Node reachable = ClientProtocolUtils.getReachableStates(doc);
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78 NodeList outputs = ClientProtocolUtils.getOutputModes(doc);
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80 String state = (String) XMLUtils.xpath(
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81 currentState,
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82 XPATH_STATE_NAME,
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83 XPathConstants.STRING,
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84 ArtifactNamespaceContext.INSTANCE);
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86 logger.debug("Current state name: " + state);
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87
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88 DataList currentData = extractCurrentData(dynamicNode, state);
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89 DataList[] old = extractOldData(staticNode);
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90 String[] states = extractReachableStates(reachable);
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91 OutputMode[] outs = extractOutputModes(outputs);
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92 Recommendation[] rec = extractRecommendedArtifacts(doc);
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93
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94 return new DefaultArtifactDescription(
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95 old,
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96 currentData,
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97 state,
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98 states,
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99 outs,
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100 rec);
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101 }
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102
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103
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104 /**
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105 * This method extracts the data that the user is able to enter in the
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106 * current state of the artifact.
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107 *
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108 * @param dynamicNode The dynamic node of the DESCRIBE document.
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109 * @param state The name of the current state.
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110 *
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111 * @return A {@link Data} object that represents the data which might be
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112 * entered by the user in the current state or null, if no data might be
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113 * entered.
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114 */
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115 protected static DataList extractCurrentData(Node dynamicNode, String state) {
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116 logger.debug("ArtifactDescriptionFactory.extractCurrentData");
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117
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118 NodeList data = ClientProtocolUtils.getSelectNode(dynamicNode);
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119 String uiProvider = extractUIProvider(dynamicNode);
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120
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121 if (data == null || data.getLength() == 0) {
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122 return null;
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123 }
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124
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125 int dataNum = data.getLength();
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126 DataList list = new DataList(state, dataNum, uiProvider);
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127
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128 for (int i = 0; i < dataNum; i++) {
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129 Element d = (Element) data.item(i);
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130 String label = ClientProtocolUtils.getLabel(d);
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131 String name = XMLUtils.xpathString(
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132 d, "@art:name", ArtifactNamespaceContext.INSTANCE);
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133 String type = XMLUtils.xpathString(
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134 d, "@art:type", ArtifactNamespaceContext.INSTANCE);
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135
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136 logger.debug("Create new IntegerRangeData object for: " + name);
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137 logger.debug("New Data is from type: " + type);
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138
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139 if (type == null || type.length() == 0) {
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140 NodeList choices = ClientProtocolUtils.getItemNodes(d);
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141 DataItem[] dataItems = extractCurrentDataItems(choices);
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142 DataItem def = extractDefaultDataItem(d);
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143
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144 list.add(new DefaultData(name, label, null, dataItems, def));
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145 }
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146 else if (type.equals("intrange")) {
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147 String min = ClientProtocolUtils.getMinNode(d);
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148 String max = ClientProtocolUtils.getMaxNode(d);
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149
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150 String defMin = ClientProtocolUtils.getDefMin(d);
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151 String defMax = ClientProtocolUtils.getDefMax(d);
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152
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153 try {
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154 int lower = Integer.parseInt(min);
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155 int upper = Integer.parseInt(max);
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156
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157 if (defMin != null && defMax != null) {
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158 list.add(new IntegerRangeData(
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159 name, label,
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160 lower, upper,
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161 Integer.parseInt(defMin),
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162 Integer.parseInt(defMax)));
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163 }
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164 else {
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165 list.add(
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166 new IntegerRangeData(name, label, lower, upper));
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167 }
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168 }
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169 catch (NumberFormatException nfe) {
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170 logger.warn("NumberFormatException: ", nfe);
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171 }
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172 }
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173 else if (type.equals("intarray")) {
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174 list.add(new IntegerArrayData(name, label, null));
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175 }
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176 else if (type.equals("intoptions")) {
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177 NodeList choices = ClientProtocolUtils.getItemNodes(d);
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178 DataItem[] opts = extractCurrentDataItems(choices);
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179
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180 list.add(new IntegerOptionsData(name, label, opts));
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181 }
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182 }
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183
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184 return list;
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185 }
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186
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187
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188 /**
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189 * This method extracts the default value of a Data object.
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190 *
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191 * @param data The data object node.
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192 *
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193 * @return the default DataItem.
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194 */
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195 protected static DataItem extractDefaultDataItem(Node data) {
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196 logger.debug("ArtifactDescriptionFactory.extractDefaultDataItem");
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197
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198 String value = XMLUtils.xpathString(
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199 data, "@art:defaultValue", ArtifactNamespaceContext.INSTANCE);
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200
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201 String label = XMLUtils.xpathString(
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202 data, "@art:defaultLabel", ArtifactNamespaceContext.INSTANCE);
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203
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204 if (value != null && label != null) {
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205 return new DefaultDataItem(label, null, value);
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206 }
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207
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208 return null;
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209 }
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210
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211
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212 /**
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213 * This method extract the {@link DataItem}s of the DESCRIBE document.
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214 *
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215 * @param items The items in the DESCRIBE document.
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216 *
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217 * @return the {@link DataItem}s.
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218 */
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219 protected static DataItem[] extractCurrentDataItems(NodeList items) {
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220 logger.debug("ArtifactDescriptionFactory.extractCurrentDataItems");
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221
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222 if (items == null || items.getLength() == 0) {
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223 logger.debug("No data items found.");
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224 return null;
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225 }
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226
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227 int count = items.getLength();
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228
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229 List<DataItem> dataItems = new ArrayList<DataItem>(count);
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230
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231 for (int i = 0; i < count; i++) {
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232 Node item = items.item(i);
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233 String label = ClientProtocolUtils.getLabel(item);
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234 String value = ClientProtocolUtils.getValue(item);
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235
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236 double[] mmQ = extractMinMaxQValues(item);
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237 double[] mmW = extractMinMaxWValues(item);
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238
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239 if (mmQ != null || mmW != null) {
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240 dataItems.add(new WQDataItem(label, null, value, mmQ, mmW));
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241 }
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242 else {
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243 dataItems.add(new DefaultDataItem(label, null, value));
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244 }
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245 }
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246
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247 return (DataItem[]) dataItems.toArray(new DataItem[count]);
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248 }
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249
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250
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251 protected static double[] extractMinMaxQValues(Node item) {
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252 logger.debug("ArtifactDescriptionFactory.extractMinMaxQValues");
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253
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254 if (item == null) {
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255 logger.debug("This node is empty - no min/max Q values.");
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256 return null;
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257 }
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258
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259 Node node = (Node) XMLUtils.xpath(
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260 item,
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261 "art:range[@art:type='Q']",
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262 XPathConstants.NODE,
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263 ArtifactNamespaceContext.INSTANCE);
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264
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265 if (node == null) {
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266 logger.debug("No min/max Q values found.");
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267 return null;
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268 }
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269
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270 return extractMinMaxValues(node);
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271 }
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272
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273
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274 protected static double[] extractMinMaxWValues(Node item) {
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275 logger.debug("ArtifactDescriptionFactory.extractMinMaxWValues");
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276
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277 if (item == null) {
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278 logger.debug("This node is empty - no min/max W values.");
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279 return null;
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280 }
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281
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282 Node node = (Node) XMLUtils.xpath(
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283 item,
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284 "art:range[@art:type='W']",
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285 XPathConstants.NODE,
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286 ArtifactNamespaceContext.INSTANCE);
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287
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288 if (node == null) {
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289 logger.debug("No min/max W values found.");
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290 return null;
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291 }
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292
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293 return extractMinMaxValues(node);
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294 }
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295
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296
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297 protected static double[] extractMinMaxValues(Node node) {
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298 logger.debug("ArtifactDescriptionFactory.extractMinMaxValues");
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299
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300 String minStr = XMLUtils.xpathString(
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301 node, "art:min/text()", ArtifactNamespaceContext.INSTANCE);
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302
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303 String maxStr = XMLUtils.xpathString(
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304 node, "art:max/text()", ArtifactNamespaceContext.INSTANCE);
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305
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306 if (maxStr == null || minStr == null) {
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307 logger.debug("No min/max values found.");
565
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308 return null;
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309 }
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310
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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diff changeset
311 try {
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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diff changeset
312 double min = Double.valueOf(minStr);
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diff changeset
313 double max = Double.valueOf(maxStr);
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314
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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diff changeset
315 return new double[] { min, max };
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316 }
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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diff changeset
317 catch (NumberFormatException nfe) {
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318 logger.debug("Error while parsing min/max values.");
565
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319 }
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320
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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321 return null;
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322 }
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323
a078ba1c139d Introduced a client side input validation for the adapted WQ panel.
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324
22
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325 /**
34
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326 * This method extracts the data objects from the data node of the static ui
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327 * part of the DESCRIBE document.
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328 *
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329 * @param staticNode The static ui node of the DESCRIBE.
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330 *
51
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331 * @return the DataList objects.
34
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332 */
51
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333 protected static DataList[] extractOldData(Node staticNode) {
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334 logger.debug("ArtifactDescriptionFactory.extractOldData()");
34
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335
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336 NodeList stateNodes = (NodeList) XMLUtils.xpath(
34
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337 staticNode,
51
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338 XPATH_STATIC_STATE_NODE,
34
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339 XPathConstants.NODESET,
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diff changeset
340 ArtifactNamespaceContext.INSTANCE);
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341
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342 if (stateNodes == null || stateNodes.getLength() == 0) {
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343 logger.debug("No old items found.");
34
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344 return null;
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345 }
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346
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347 int count = stateNodes.getLength();
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348 DataList[] data = new DataList[count];
34
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349
bf84bcd4e11b Parse static data from DESCRIBE.
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350 for (int i = 0; i < count; i++) {
51
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diff changeset
351 Node tmp = stateNodes.item(i);
34
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352
bf84bcd4e11b Parse static data from DESCRIBE.
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353 String name = XMLUtils.xpathString(
bf84bcd4e11b Parse static data from DESCRIBE.
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diff changeset
354 tmp, "@art:name", ArtifactNamespaceContext.INSTANCE);
52
1d0be51ab93b The DataList has a label now.
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diff changeset
355 String uiprovider = XMLUtils.xpathString(
1d0be51ab93b The DataList has a label now.
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diff changeset
356 tmp, "@art:uiprovider", ArtifactNamespaceContext.INSTANCE);
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357 String label = XMLUtils.xpathString(
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diff changeset
358 tmp, "@art:label", ArtifactNamespaceContext.INSTANCE);
34
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diff changeset
359
51
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diff changeset
360 NodeList dataNodes = (NodeList) XMLUtils.xpath(
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diff changeset
361 tmp,
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diff changeset
362 XPATH_STATIC_DATA_NODE,
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diff changeset
363 XPathConstants.NODESET,
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diff changeset
364 ArtifactNamespaceContext.INSTANCE);
34
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diff changeset
365
51
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diff changeset
366 if (dataNodes == null || dataNodes.getLength() == 0) {
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diff changeset
367 continue;
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parents: 37
diff changeset
368 }
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diff changeset
369
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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diff changeset
370 int size = dataNodes.getLength();
52
1d0be51ab93b The DataList has a label now.
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diff changeset
371 DataList list = new DataList(name, size, uiprovider, label);
51
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diff changeset
372
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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diff changeset
373 for (int j = 0; j < size; j++) {
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diff changeset
374 Node dataNode = dataNodes.item(j);
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diff changeset
375
1571
1227878665b5 Introduced a DataFactory that should be used to create new Data instances.
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parents: 1566
diff changeset
376 list.add(DataFactory.createDataFromElement((Element) dataNode));
51
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diff changeset
377
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diff changeset
378 data[i] = list;
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diff changeset
379 }
34
bf84bcd4e11b Parse static data from DESCRIBE.
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diff changeset
380 }
bf84bcd4e11b Parse static data from DESCRIBE.
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diff changeset
381
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diff changeset
382 return data;
bf84bcd4e11b Parse static data from DESCRIBE.
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diff changeset
383 }
bf84bcd4e11b Parse static data from DESCRIBE.
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parents: 32
diff changeset
384
bf84bcd4e11b Parse static data from DESCRIBE.
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parents: 32
diff changeset
385
bf84bcd4e11b Parse static data from DESCRIBE.
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diff changeset
386 /**
22
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
387 * This method extracts the UIProvider specified by the data node.
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
388 *
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
389 * @param data The data node.
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
390 *
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 16
diff changeset
391 * @return the UIProvider that is specified in the data node.
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 16
diff changeset
392 */
51
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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diff changeset
393 protected static String extractUIProvider(Node ui) {
22
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
394 return (String) XMLUtils.xpath(
51
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
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diff changeset
395 ui,
22
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
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parents: 16
diff changeset
396 XPATH_UIPROVIDER,
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 16
diff changeset
397 XPathConstants.STRING,
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 16
diff changeset
398 ArtifactNamespaceContext.INSTANCE);
a85bac235069 Implemented code to parse the UIProvider that should be used for a current state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 16
diff changeset
399 }
32
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
400
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
401
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
402 /**
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
403 * This method extracts the reachable states of the current artifact.
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
404 *
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
405 * @param reachable The reachable states node.
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
406 *
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
407 * @return an array with identifiers of reachable states.
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
408 */
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
409 protected static String[] extractReachableStates(Node reachable) {
1367
ab8eb2f544f2 Replaced stdout and stderr logging with log4j loggers in server classes.
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parents: 839
diff changeset
410 logger.debug("ArtifactDescriptionFactory.extractReachableStates()");
32
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
411
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
412 NodeList list = (NodeList) XMLUtils.xpath(
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
413 reachable,
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
414 XPATH_REACHABLE_STATE,
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
415 XPathConstants.NODESET,
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
416 ArtifactNamespaceContext.INSTANCE);
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
417
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
418 if (list == null || list.getLength() == 0) {
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
diff changeset
419 return null;
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
420 }
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
421
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
422 int count = list.getLength();
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
423
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
424 String[] states = new String[count];
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
425
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
426 for (int i = 0; i < count; i++) {
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
427 Node state = list.item(i);
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
428
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 22
diff changeset
429 String name = XMLUtils.xpathString(
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
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430 state, "@art:name", ArtifactNamespaceContext.INSTANCE);
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parents: 22
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431
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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432 states[i] = name;
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parents: 22
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433 }
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
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434
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
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435 return states;
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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parents: 22
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436 }
65
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437
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438
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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439 /**
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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440 * This method extract available output modes of the the current artifact.
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parents: 61
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441 *
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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442 * @param outputs A list of nodes that contain information about output
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443 * modes.
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444 *
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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445 * @return an array of Output modes.
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446 */
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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447 protected static OutputMode[] extractOutputModes(NodeList outputs) {
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448 logger.debug("ArtifactDescriptionFactory.extractOutputModes");
65
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449
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
450 if (outputs == null || outputs.getLength() == 0) {
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
451 return null;
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
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452 }
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
453
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parents: 61
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454 int size = outputs.getLength();
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parents: 61
diff changeset
455
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
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456 List<OutputMode> outs = new ArrayList<OutputMode>(size);
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
457
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
458 for (int i = 0; i < size; i++) {
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parents: 61
diff changeset
459 Node out = outputs.item(i);
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
460
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
461 String name = XMLUtils.xpathString(
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
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462 out, "@art:name", ArtifactNamespaceContext.INSTANCE);
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parents: 61
diff changeset
463 String desc = XMLUtils.xpathString(
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
464 out, "@art:description", ArtifactNamespaceContext.INSTANCE);
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
465 String mimeType = XMLUtils.xpathString(
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
466 out, "@art:mime-type", ArtifactNamespaceContext.INSTANCE);
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
467
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 61
diff changeset
468 if (name != null) {
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
469 outs.add(new DefaultOutputMode(name, desc, mimeType));
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
470 }
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 61
diff changeset
471 else {
1367
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parents: 839
diff changeset
472 logger.debug("Found an invalid output mode.");
65
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473 }
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
474 }
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
475
8f719fa1a691 The output modes of an artifact are extracted from DESCRIBE document and put into the ArtifactDescription.
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parents: 61
diff changeset
476 return (OutputMode[]) outs.toArray(new OutputMode[size]);
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parents: 61
diff changeset
477 }
803
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
478
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
479
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 803
diff changeset
480 protected static Recommendation[] extractRecommendedArtifacts(Document doc){
1367
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parents: 839
diff changeset
481 logger.debug("ArtifactDescriptionFactory.extractRecommendedArtifacts.");
803
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
482
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
483 NodeList list = (NodeList) XMLUtils.xpath(
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
484 doc,
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
485 XPATH_RECOMMENDED_ARTIFACTS,
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
486 XPathConstants.NODESET,
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
487 ArtifactNamespaceContext.INSTANCE);
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
488
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
489 int num = list != null ? list.getLength() : 0;
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
490
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 803
diff changeset
491 Recommendation[] rec = new Recommendation[num];
803
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parents: 565
diff changeset
492
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
493 for (int i = 0; i < num; i++) {
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 803
diff changeset
494 Element e = (Element) list.item(i);
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
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parents: 803
diff changeset
495 String factory = e.getAttribute("factory");
836
0fe456332785 Datacage: s/db-ids/ids/g to unify system and user specific loading.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 808
diff changeset
496 String index = e.getAttribute("ids");
803
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
497
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 803
diff changeset
498 if (factory != null && factory.length() > 0) {
839
6a1cd38e6e18 Made Recommendation a class for direct use.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 836
diff changeset
499 rec[i] = new Recommendation(factory, index);
803
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
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parents: 565
diff changeset
500 }
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
501 }
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
502
807
6f65e70fa11d Repaired broken recommendation parsing from Artifact's DESCRIBE document (which structure has changed).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 803
diff changeset
503 return rec;
803
653ae84533e7 Read/create recommended Artifacts and add them to the current Collection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 565
diff changeset
504 }
16
f8a5f2c5e2b7 The DESCRIBE document returned by the artifact server is parsed after calling create() of the artifact service and a new Artifact is created with an ArtifactDescription that contains the UUID, HASH, und the current Data.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
505 }
f8a5f2c5e2b7 The DESCRIBE document returned by the artifact server is parsed after calling create() of the artifact service and a new Artifact is created with an ArtifactDescription that contains the UUID, HASH, und the current Data.
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parents:
diff changeset
506 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org