Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVProductArtifactFactory.java @ 780:c4156275c1e1

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Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>' gnv-artifacts/trunk@857 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 09:35:44 +0000
parents b1f5f2a8840f
children 0dc115cbef0d
rev   line source
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1 package de.intevation.gnv.artifacts;
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2
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3 import de.intevation.artifactdatabase.DefaultArtifactFactory;
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4 import de.intevation.artifactdatabase.ProxyArtifact;
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5 import de.intevation.artifactdatabase.XMLUtils;
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6
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7 import de.intevation.artifacts.Artifact;
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8 import de.intevation.artifacts.ArtifactFactory;
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9
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10 import de.intevation.gnv.artifacts.fis.SelectProductArtifact;
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12 import de.intevation.gnv.artifacts.fis.product.DefaultProduct;
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13
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14 import de.intevation.gnv.state.DefaultInputData;
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16 import java.util.ArrayList;
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17 import java.util.Collection;
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18 import java.util.HashMap;
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19 import java.util.Map;
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20
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21 import javax.xml.xpath.XPathConstants;
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22
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23 import org.apache.log4j.Logger;
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24
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25 import org.w3c.dom.Document;
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26 import org.w3c.dom.Node;
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27 import org.w3c.dom.NodeList;
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28
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29 /**
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30 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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31 */
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32 public class GNVProductArtifactFactory extends DefaultArtifactFactory {
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33
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34 public static final String XPATH_REPLACE_NAME = "IDENTIFIER";
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35
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36 public static final String XPATH_PRODUCT_ARTIFACT =
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37 "artifact-database/artifacts/artifact[@name='"+XPATH_REPLACE_NAME+"']";
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38
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39 public static final String XPATH_PRODUCT = "products/product";
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40
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41 public static final String XPATH_PRODUCT_NAME = "@name";
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42
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43 public static final String XPATH_PRODUCT_FACTORY = "artifact-factory";
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44
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45 public static final String XPATH_PRODUCT_PARAMETER = "parameters/parameter";
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46
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47 private Logger logger = Logger.getLogger(GNVProductArtifactFactory.class);
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48
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49 private Map productFactories;
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50 private Map products;
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51
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52
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53 public GNVProductArtifactFactory() {
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54 }
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55
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56 @Override
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57 public Artifact createArtifact(String identifier, Object context, Document data) {
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58
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59 // create a SelectProductArtifact for initial product selection
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60 Artifact artifact = super.createArtifact(identifier, context, data);
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61
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62 if (artifact instanceof ProxyArtifact) {
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63
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64 SelectProductArtifact select = new SelectProductArtifact();
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65 select.setProducts(products);
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66 select.setup(identifier, this, context, data);
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67
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68 ((ProxyArtifact) artifact).setProxied(select);
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69 }
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70
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71 return artifact;
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72 }
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73
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74 @Override
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75 public void setup(Document document, Node factoryNode) {
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76 super.setup(document, factoryNode);
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77
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78 String xpath = XPATH_PRODUCT_ARTIFACT.replace(XPATH_REPLACE_NAME, name);
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79 Node artifact = (Node) XMLUtils.xpath(
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80 document, xpath, XPathConstants.NODE);
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81
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82 NodeList productNodes = (NodeList) XMLUtils.xpath(
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83 artifact, XPATH_PRODUCT, XPathConstants.NODESET);
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84
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85 if (productNodes == null) {
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86 logger.warn("No products found for fis: " + name);
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87 return;
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88 }
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89
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90 int productLength = productNodes.getLength();
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91
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92 if (productLength != 0) {
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93 productFactories = new HashMap(productLength);
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94 products = new HashMap(productLength);
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95
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96 parseProductFactories(document, productNodes);
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97 }
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98 }
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99
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100
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101 public ArtifactFactory getArtifactFactoryByName(String name) {
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102 return (ArtifactFactory) productFactories.get(name);
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103 }
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104
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105
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106 protected void parseProductFactories(Document document, NodeList products) {
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107 int items = products.getLength();
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108
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109 for(int i = 0; i < items; i++) {
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110
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111 try {
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112 Node product = products.item(i);
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113
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114 String name = (String) XMLUtils.xpath(
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115 product, XPATH_PRODUCT_NAME, XPathConstants.STRING);
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116
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117 Node factoryNode = (Node) XMLUtils.xpath(
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118 product, XPATH_PRODUCT_FACTORY, XPathConstants.NODE);
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119
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120 String factoryClass = factoryNode.getTextContent();
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121
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122 if (factoryClass == null || factoryClass.equals("")) {
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123 logger.warn("No artifact factory class found for " + name);
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124 continue;
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125 }
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126
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127 Class cls = Class.forName(factoryClass);
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128 ArtifactFactory factory = (ArtifactFactory) cls.newInstance();
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129 factory.setup(document, factoryNode);
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130
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131 productFactories.put(name, factory);
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132 initializeProducts(product);
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133 }
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134 catch (ClassNotFoundException cnfe) {
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135 logger.warn(cnfe, cnfe);
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136 }
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137 catch (InstantiationException ie) {
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138 logger.warn(ie, ie);
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139 }
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140 catch (IllegalAccessException iae) {
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141 logger.warn(iae, iae);
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142 }
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143 }
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144 }
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145
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146
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147 protected void initializeProducts(Node productNode) {
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148 String productName = (String) XMLUtils.xpath(
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149 productNode, "@name", XPathConstants.STRING);
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150
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151 NodeList parameterNodes = (NodeList) XMLUtils.xpath(
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152 productNode, XPATH_PRODUCT_PARAMETER, XPathConstants.NODESET
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153 );
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154
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155 if (parameterNodes != null) {
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156 int items = parameterNodes.getLength();
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157 Collection inputParameter = new ArrayList(items);
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158
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159 for (int j = 0; j < items; j++) {
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160 Node parameterNode = (Node) parameterNodes.item(j);
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161 String name = (String) XMLUtils.xpath(
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162 parameterNode, "@name", XPathConstants.STRING);
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163 String value = (String) XMLUtils.xpath(
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164 parameterNode, "@value", XPathConstants.STRING);
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165
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166 inputParameter.add(new DefaultInputData(name, value));
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167 }
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168
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169 products.put(
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170 productName,
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171 new DefaultProduct(productName, inputParameter, this.name)
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172 );
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173 }
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174 }
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175 }
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