Mercurial > dive4elements > framework
annotate artifacts-common/src/main/java/org/dive4elements/artifacts/common/utils/XMLUtils.java @ 570:584591f8203c 3.2.x
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author | Tom Gottfried <tom@intevation.de> |
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date | Mon, 28 Feb 2022 17:41:14 +0100 |
parents | e781b847fdca |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package org.dive4elements.artifacts.common.utils; |
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10 |
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11 import java.util.List; |
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12 import java.util.ArrayList; |
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13 import java.util.Map; |
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14 import java.util.LinkedHashMap; |
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15 import java.util.zip.GZIPInputStream; |
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16 import java.util.zip.GZIPOutputStream; |
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17 |
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18 import java.io.ByteArrayInputStream; |
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19 import java.io.FileInputStream; |
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20 import java.io.BufferedInputStream; |
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21 import java.io.ByteArrayOutputStream; |
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22 import java.io.File; |
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23 import java.io.FileReader; |
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24 import java.io.IOException; |
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25 import java.io.InputStream; |
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26 import java.io.OutputStream; |
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27 import java.io.StringWriter; |
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28 |
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29 import javax.xml.namespace.NamespaceContext; |
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30 import javax.xml.namespace.QName; |
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31 |
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32 import javax.xml.parsers.DocumentBuilderFactory; |
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33 import javax.xml.parsers.DocumentBuilder; |
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34 import javax.xml.parsers.ParserConfigurationException; |
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35 |
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36 import javax.xml.transform.Transformer; |
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37 import javax.xml.transform.TransformerConfigurationException; |
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38 import javax.xml.transform.TransformerException; |
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39 import javax.xml.transform.TransformerFactory; |
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40 import javax.xml.transform.TransformerFactoryConfigurationError; |
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41 |
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42 import javax.xml.transform.dom.DOMSource; |
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43 |
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44 import javax.xml.transform.stream.StreamResult; |
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45 |
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46 import javax.xml.xpath.XPath; |
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47 import javax.xml.xpath.XPathConstants; |
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48 import javax.xml.xpath.XPathExpressionException; |
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49 import javax.xml.xpath.XPathFactory; |
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50 import javax.xml.xpath.XPathVariableResolver; |
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51 |
570 | 52 import org.apache.logging.log4j.Logger; |
53 import org.apache.logging.log4j.LogManager; | |
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54 |
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55 import org.w3c.dom.Attr; |
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56 import org.w3c.dom.Document; |
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57 import org.w3c.dom.Element; |
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58 import org.w3c.dom.Node; |
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59 |
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60 import org.xml.sax.SAXException; |
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61 import org.xml.sax.EntityResolver; |
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62 import org.xml.sax.InputSource; |
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63 |
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64 |
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65 /** |
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66 * Some helper functions to ease work with XML concering namespaces, XPATH |
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67 * and so on. |
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68 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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69 */ |
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70 public final class XMLUtils |
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71 { |
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72 /** W3C URL of XForms. */ |
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73 public static final String XFORM_URL = "http://www.w3.org/2002/xforms"; |
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74 |
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75 /** W3C prefix of XForms. */ |
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76 public static final String XFORM_PREFIX = "xform"; |
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77 |
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78 /** Logger for this class. */ |
570 | 79 private static Logger logger = LogManager.getLogger(XMLUtils.class); |
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80 |
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81 private XMLUtils() { |
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82 } |
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83 |
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84 /** |
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85 * Helper class to generate elements and attributes with |
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86 * namespaces. |
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87 */ |
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88 public static class ElementCreator |
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89 { |
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90 /** Owner document of the elements to be created. */ |
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91 protected Document document; |
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92 |
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93 /** Namespace to be used. */ |
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94 protected String ns; |
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95 |
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96 /** Prefix to be used. */ |
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97 protected String prefix; |
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98 |
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99 /** |
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100 * Constructor to create an element/attribute creator |
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101 * with a given namespace and namespace prefix using a |
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102 * given owner document. |
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103 * @param document The owning document |
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104 * @param ns The namespace |
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105 * @param prefix The namespace prefix |
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106 */ |
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107 public ElementCreator(Document document, String ns, String prefix) { |
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108 this.document = document; |
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109 this.ns = ns; |
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110 this.prefix = prefix; |
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111 } |
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112 |
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113 /** |
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114 * Creates a new element using the owning document with |
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115 * the this creators namespace and namespace prefix. |
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116 * @param name The name of the element |
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117 * @return The new element |
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118 */ |
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119 public Element create(String name) { |
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120 Element element = document.createElementNS(ns, name); |
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121 element.setPrefix(prefix); |
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122 return element; |
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123 } |
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124 |
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125 /** |
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126 * Adds a new attribute and its value to a given element. |
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127 * It does not set the namespace prefix. |
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128 * @param element The element to add the attribute to |
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129 * @param name The name of the attribute |
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130 * @param value The value of the attribute |
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131 */ |
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132 public void addAttr(Element element, String name, String value) { |
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133 addAttr(element, name, value, false); |
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134 } |
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135 |
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136 /** |
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137 * Adds a new attribute and its value to a given element. |
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138 * If the namespace prefix is used is decided by the 'addPrefix' flag. |
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139 * @param element The element to add the attribute to |
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140 * @param name The name of the attribute |
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141 * @param value The value of the attribute |
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142 * @param addPrefix If true the creators namespace prefix is |
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143 * set on the attribute. |
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144 */ |
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145 public void addAttr( |
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146 Element element, |
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147 String name, |
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148 String value, |
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149 boolean addPrefix |
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150 ) { |
202
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151 if (addPrefix) { |
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152 Attr attr = document.createAttributeNS(ns, name); |
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153 attr.setValue(value); |
102
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154 attr.setPrefix(prefix); |
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155 |
202
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156 element.setAttributeNode(attr); |
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157 } |
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158 else { |
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159 element.setAttribute(name, value); |
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160 } |
102
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161 } |
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162 } // class ElementCreator |
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163 |
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164 /** |
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165 * Resolver for entities in artifacts configuration. |
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166 */ |
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167 public static final EntityResolver CONF_RESOLVER = new EntityResolver() { |
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168 @Override |
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169 public InputSource resolveEntity( |
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170 String publicId, |
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171 String systemId |
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172 ) throws SAXException, IOException { |
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173 return new InputSource( |
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174 new FileReader(Config.replaceConfigDir(systemId))); |
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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 /** |
102
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180 * Creates a new XML document |
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181 * @return the new XML document ot null if something went wrong during |
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182 * creation. |
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183 */ |
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184 public static final Document newDocument() { |
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185 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
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186 factory.setNamespaceAware(true); |
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187 |
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188 try { |
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189 return factory.newDocumentBuilder().newDocument(); |
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190 } |
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191 catch (ParserConfigurationException pce) { |
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192 logger.error(pce.getLocalizedMessage(), pce); |
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193 } |
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194 return null; |
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195 } |
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196 |
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197 |
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198 /** |
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199 * Create xml/string representation of element (nested in otherwise empty |
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200 * document). |
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201 * @param element element to inspect in string. |
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202 * @return string with xml representation of element. |
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203 */ |
338
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204 public final static String toString(Node node) { |
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205 Document doc = newDocument(); |
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206 doc.appendChild(doc.importNode(node,true)); |
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207 return toString(doc); |
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208 } |
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209 |
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210 |
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211 /** |
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212 * Loads a XML document namespace aware from a file |
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213 * @param file The file to load. |
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214 * @return the XML document or null if something went wrong |
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215 * during loading. |
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216 */ |
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217 public static final Document parseDocument(File file) { |
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218 InputStream inputStream = null; |
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219 try { |
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220 inputStream = new BufferedInputStream(new FileInputStream(file)); |
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221 return parseDocument(inputStream); |
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222 } |
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223 catch (IOException ioe) { |
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224 logger.error(ioe.getLocalizedMessage(), ioe); |
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225 } |
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226 finally { |
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227 if (inputStream != null) { |
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228 try { inputStream.close(); } |
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229 catch (IOException ioe) {} |
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230 } |
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231 } |
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232 return null; |
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233 } |
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234 |
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235 /** |
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236 * Parses a String to a xml document. |
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237 * |
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238 * @param string The xml string |
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239 * @return the XML document or null if something went wrong. |
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240 */ |
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241 public static final Document parseDocument(String string) { |
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242 InputStream inputStream = new ByteArrayInputStream(string.getBytes()); |
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243 return parseDocument(inputStream); |
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244 } |
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245 |
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246 |
147
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247 public static final Document parseDocument(InputStream inputStream) { |
350
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248 return parseDocument(inputStream, Boolean.TRUE); |
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249 } |
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250 |
350
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251 public static final Document parseDocument( |
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252 InputStream inputStream, |
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253 Boolean namespaceAware |
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254 ) { |
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255 return parseDocument( |
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256 inputStream, namespaceAware, CONF_RESOLVER); |
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257 } |
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258 |
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259 public static final Document parseDocument( |
549
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260 File file, |
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261 Boolean namespaceAware, |
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262 EntityResolver entityResolver |
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263 ) { |
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264 InputStream inputStream = null; |
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265 try { |
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266 inputStream = new BufferedInputStream(new FileInputStream(file)); |
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267 return parseDocument(inputStream, namespaceAware, entityResolver); |
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268 } |
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269 catch (IOException ioe) { |
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270 logger.error(ioe.getLocalizedMessage(), ioe); |
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271 } |
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272 finally { |
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273 if (inputStream != null) { |
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274 try { inputStream.close(); } |
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275 catch (IOException ioe) {} |
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276 } |
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277 } |
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278 return null; |
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279 } |
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280 |
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281 public static final Document parseDocument( |
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282 InputStream inputStream, |
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283 Boolean namespaceAware, |
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284 EntityResolver entityResolver |
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285 ) { |
102
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286 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
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287 |
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288 if (namespaceAware != null) { |
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289 factory.setNamespaceAware(namespaceAware.booleanValue()); |
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290 } |
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291 |
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292 try { |
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293 DocumentBuilder builder = factory.newDocumentBuilder(); |
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294 builder.setEntityResolver(entityResolver); |
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295 return builder.parse(inputStream); |
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296 } |
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297 catch (ParserConfigurationException pce) { |
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298 logger.error(pce.getLocalizedMessage(), pce); |
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299 } |
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300 catch (SAXException se) { |
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301 logger.error(se.getLocalizedMessage(), se); |
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302 } |
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303 catch (IOException ioe) { |
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304 logger.error(ioe.getLocalizedMessage(), ioe); |
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305 } |
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306 return null; |
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307 } |
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308 |
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309 /** |
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310 * Creates a new XPath without a namespace context. |
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311 * @return the new XPath. |
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312 */ |
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313 public static final XPath newXPath() { |
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314 return newXPath(null, null); |
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315 } |
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316 |
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317 /** |
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318 * Creates a new XPath with a given namespace context. |
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319 * @param namespaceContext The namespace context to be used or null |
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320 * if none should be used. |
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321 * @return The new XPath |
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322 */ |
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323 public static final XPath newXPath( |
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324 NamespaceContext namespaceContext, |
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325 XPathVariableResolver resolver) |
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326 { |
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327 XPathFactory factory = XPathFactory.newInstance(); |
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328 XPath xpath = factory.newXPath(); |
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329 if (namespaceContext != null) { |
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330 xpath.setNamespaceContext(namespaceContext); |
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331 } |
323
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332 |
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333 if (resolver != null) { |
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334 xpath.setXPathVariableResolver(resolver); |
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335 } |
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336 return xpath; |
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337 } |
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338 |
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339 /** |
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340 * Evaluates an XPath query on a given object and returns the result |
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341 * as a given type. No namespace context is used. |
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342 * @param root The object which is used as the root of the tree to |
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343 * be searched in. |
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344 * @param query The XPath query |
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345 * @param returnTyp The type of the result. |
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346 * @return The result of type 'returnTyp' or null if something |
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347 * went wrong during XPath evaluation. |
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348 */ |
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349 public static final Object xpath( |
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350 Object root, |
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351 String query, |
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352 QName returnTyp |
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353 ) { |
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354 return xpath(root, query, returnTyp, null); |
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355 } |
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356 |
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357 /** |
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358 * Evaluates an XPath query on a given object and returns the result |
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359 * as a string. A given namespace context is used. |
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360 * @param root The object which is used as the root of the tree to |
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361 * be searched in. |
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362 * @param query The XPath query |
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363 * @param namespaceContext The namespace context to be used or null |
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364 * if none should be used. |
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365 * @return The result of the query or null if something went wrong |
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366 * during XPath evaluation. |
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367 */ |
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368 public static final String xpathString( |
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369 Object root, String query, NamespaceContext namespaceContext |
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370 ) { |
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371 return (String)xpath( |
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372 root, query, XPathConstants.STRING, namespaceContext); |
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373 } |
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374 |
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375 /** |
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376 * Evaluates an XPath query on a given object and returns the result |
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377 * as a given type. Optionally a namespace context is used. |
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378 * @param root The object which is used as the root of the tree to |
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379 * be searched in. |
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380 * @param query The XPath query |
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381 * @param returnType The type of the result. |
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382 * @param namespaceContext The namespace context to be used or null |
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383 * if none should be used. |
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384 * @return The result of type 'returnTyp' or null if something |
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385 * went wrong during XPath evaluation. |
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386 */ |
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387 public static final Object xpath( |
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388 Object root, |
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389 String query, |
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390 QName returnType, |
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391 NamespaceContext namespaceContext |
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392 ) { |
323
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393 return xpath(root, query, returnType, namespaceContext, null); |
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394 } |
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395 |
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396 public static final Object xpath( |
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397 Object root, |
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398 String query, |
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399 QName returnType, |
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400 NamespaceContext namespaceContext, |
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401 Map<String, String> variables) |
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402 { |
102
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403 if (root == null) { |
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404 return null; |
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405 } |
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406 |
323
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407 XPathVariableResolver resolver = variables != null |
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408 ? new MapXPathVariableResolver(variables) |
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409 : null; |
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410 |
102
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411 try { |
323
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412 XPath xpath = newXPath(namespaceContext, resolver); |
102
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413 if (xpath != null) { |
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414 return xpath.evaluate(query, root, returnType); |
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415 } |
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416 } |
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417 catch (XPathExpressionException xpee) { |
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418 logger.error(xpee.getLocalizedMessage(), xpee); |
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419 } |
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420 |
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421 return null; |
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422 } |
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423 |
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424 /** |
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425 * Streams out an XML document to a given output stream. |
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426 * @param document The document to be streamed out. |
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427 * @param out The output stream to be used. |
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428 * @return true if operation succeeded else false. |
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429 */ |
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430 public static boolean toStream(Document document, OutputStream out) { |
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431 try { |
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432 Transformer transformer = |
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433 TransformerFactory.newInstance().newTransformer(); |
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434 DOMSource source = new DOMSource(document); |
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435 StreamResult result = new StreamResult(out); |
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436 transformer.transform(source, result); |
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437 return true; |
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438 } |
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439 catch (TransformerConfigurationException tce) { |
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440 logger.error(tce.getLocalizedMessage(), tce); |
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441 } |
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442 catch (TransformerFactoryConfigurationError tfce) { |
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443 logger.error(tfce.getLocalizedMessage(), tfce); |
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444 } |
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445 catch (TransformerException te) { |
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446 logger.error(te.getLocalizedMessage(), te); |
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447 } |
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448 |
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449 return false; |
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450 } |
135
a48882c9e096
Added a convinience method to transform an document into a byte array.
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451 |
286
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Made XMLUtils.toString(Document) static.
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452 public static String toString(Document document) { |
276
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453 try { |
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454 Transformer transformer = |
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455 TransformerFactory.newInstance().newTransformer(); |
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456 DOMSource source = new DOMSource(document); |
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457 StringWriter out = new StringWriter(); |
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458 StreamResult result = new StreamResult(out); |
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459 transformer.transform(source, result); |
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460 out.flush(); |
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461 return out.toString(); |
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462 } |
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463 catch (TransformerConfigurationException tce) { |
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464 logger.error(tce.getLocalizedMessage(), tce); |
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465 } |
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466 catch (TransformerFactoryConfigurationError tfce) { |
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467 logger.error(tfce.getLocalizedMessage(), tfce); |
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468 } |
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469 catch (TransformerException te) { |
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470 logger.error(te.getLocalizedMessage(), te); |
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471 } |
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472 |
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473 return null; |
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474 } |
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475 |
234
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476 public static byte [] toByteArray(Document document) { |
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477 return toByteArray(document, false); |
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478 } |
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479 |
135
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480 /** |
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481 * Transforms an XML document into a byte array. |
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482 * @param document The document to be streamed out. |
234
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483 * @param compress The document should be compressed, too. |
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484 * @return the byte array or null if operation failed or |
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485 * document is null. |
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486 */ |
234
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487 public static byte [] toByteArray(Document document, boolean compress) { |
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488 if (document != null) { |
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489 try { |
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490 ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
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491 OutputStream out = compress |
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492 ? new GZIPOutputStream(baos) |
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493 : baos; |
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494 boolean success = toStream(document, out); |
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495 out.flush(); |
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496 out.close(); |
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497 return success |
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498 ? baos.toByteArray() |
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499 : null; |
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500 } |
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501 catch (IOException ioe) { |
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502 logger.error(ioe); |
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503 } |
135
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504 } |
234
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505 return null; |
135
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506 } |
147
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Added code to load user from database.
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507 |
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508 public static Document fromByteArray(byte [] data) { |
234
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509 return fromByteArray(data, false); |
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510 } |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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511 |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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512 public static Document fromByteArray(byte [] data, boolean decompress) { |
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513 if (data != null) { |
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514 InputStream in = new ByteArrayInputStream(data); |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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515 try { |
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516 if (decompress) { |
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|
517 in = new GZIPInputStream(in); |
23d642319a0b
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518 } |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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519 return parseDocument(in); |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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|
520 } |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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521 catch (IOException ioe) { |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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522 logger.error(ioe); |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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523 } |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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524 finally { |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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525 try { |
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Added a boolean flag to XML byte serialisation to compress/decompress, too.
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526 in.close(); |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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diff
changeset
|
527 } |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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parents:
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diff
changeset
|
528 catch (IOException ioe) { |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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|
529 logger.error(ioe); |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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diff
changeset
|
530 } |
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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parents:
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|
531 } |
147
9a64e0c1c737
Added code to load user from database.
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532 } |
234
23d642319a0b
Added a boolean flag to XML byte serialisation to compress/decompress, too.
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|
533 return null; |
147
9a64e0c1c737
Added code to load user from database.
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parents:
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diff
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|
534 } |
381
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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parents:
367
diff
changeset
|
535 |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
536 private static class BuildResult { |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
537 List<Node> children; |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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diff
changeset
|
538 Map<String, String> attributes; |
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Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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539 BuildResult() { |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
540 children = new ArrayList<Node>(); |
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Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
541 attributes = new LinkedHashMap<String, String>(); |
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Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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542 } |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff
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|
543 |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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parents:
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diff
changeset
|
544 void setAttributes(Element element) { |
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Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
545 for (Map.Entry<String, String> entry: attributes.entrySet()) { |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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diff
changeset
|
546 element.setAttribute(entry.getKey(), entry.getValue()); |
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Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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parents:
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diff
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|
547 } |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
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|
548 } |
384
823752e3d392
Fixed building XML documents from JSON strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
381
diff
changeset
|
549 |
823752e3d392
Fixed building XML documents from JSON strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
381
diff
changeset
|
550 void finish(Element element) { |
823752e3d392
Fixed building XML documents from JSON strings.
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parents:
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diff
changeset
|
551 setAttributes(element); |
823752e3d392
Fixed building XML documents from JSON strings.
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parents:
381
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|
552 for (Node child: children) { |
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Fixed building XML documents from JSON strings.
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parents:
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diff
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|
553 element.appendChild(child); |
823752e3d392
Fixed building XML documents from JSON strings.
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parents:
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|
554 } |
823752e3d392
Fixed building XML documents from JSON strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
555 } |
823752e3d392
Fixed building XML documents from JSON strings.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
381
diff
changeset
|
556 |
381
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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parents:
367
diff
changeset
|
557 void add(Node node) { |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
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|
558 children.add(node); |
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559 } |
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560 |
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561 void add(String key, Object value) { |
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562 attributes.put(key, value != null ? value.toString() : "null"); |
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563 } |
392
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564 |
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565 int numChildren() { |
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566 return children.size(); |
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567 } |
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568 |
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569 Node firstChild() { |
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570 return children.get(0); |
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571 } |
381
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572 } // class BuildResult |
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573 |
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574 private static BuildResult recursiveBuild( |
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575 List list, |
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576 Document document |
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577 ) { |
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578 BuildResult result = new BuildResult(); |
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579 for (Object entry: list) { |
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580 if (entry instanceof Map) { |
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581 BuildResult subResult = recursiveBuild( |
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582 (Map<String, Object>)entry, document); |
392
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583 if (subResult.numChildren() == 1) { |
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584 result.add(subResult.firstChild()); |
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585 } |
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586 else { |
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587 Element element = document.createElement("map"); |
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588 subResult.finish(element); |
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589 result.add(element); |
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590 } |
381
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591 } |
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592 else if (entry instanceof List) { |
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593 Element element = document.createElement("list"); |
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594 BuildResult subResult = recursiveBuild((List)entry, document); |
384
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595 subResult.finish(element); |
381
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596 result.add(element); |
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597 } |
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598 else { |
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599 Element element = document.createElement("entry"); |
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600 element.setAttribute( |
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601 "value", |
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602 entry != null ? entry.toString() : "null"); |
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603 } |
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604 } |
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605 return result; |
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606 } |
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607 |
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608 private static BuildResult recursiveBuild( |
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609 Map<String, Object> map, |
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610 Document document |
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611 ) { |
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612 BuildResult result = new BuildResult(); |
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613 |
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614 List<Node> nodes = new ArrayList<Node>(); |
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615 for (Map.Entry<String, Object> entry: map.entrySet()) { |
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616 Object value = entry.getValue(); |
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617 if (value instanceof Map) { |
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618 Element element = document.createElement(entry.getKey()); |
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619 BuildResult subResult = recursiveBuild( |
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620 (Map<String, Object>)value, document); |
384
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621 subResult.finish(element); |
381
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622 result.add(element); |
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623 } |
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624 else if (value instanceof List) { |
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625 Element element = document.createElement(entry.getKey()); |
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626 BuildResult subResult = recursiveBuild((List)value, document); |
384
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627 subResult.finish(element); |
381
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628 result.add(element); |
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629 } |
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630 else { |
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631 result.add(entry.getKey(), value); |
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632 } |
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633 } |
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634 return result; |
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635 } |
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636 |
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637 public static Document jsonToXML(String input) { |
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638 Document document = newDocument(); |
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639 |
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640 if (document == null) { |
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641 return null; |
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642 } |
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643 |
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644 Map<String, Object> map; |
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645 try { |
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646 map = JSON.parse(input); |
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647 } |
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648 catch (IOException ioe) { |
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649 logger.error(ioe); |
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650 return null; |
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651 } |
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652 |
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653 BuildResult roots = recursiveBuild(map, document); |
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654 |
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655 int N = roots.children.size(); |
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656 |
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657 if (N == 1) { |
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658 document.appendChild(roots.children.get(0)); |
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659 } |
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660 else if (N > 1) { |
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661 Node root = document.createElement("root"); |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
662 for (int i = 0; i < N; ++i) { |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
663 root.appendChild(roots.children.get(i)); |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
664 } |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
665 document.appendChild(root); |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
666 } |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
667 |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
668 return document; |
bed51de8ae58
Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
367
diff
changeset
|
669 } |
102
4122dbc9711b
Added a new package artifacts-common for classes and utilities used in several packages.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
670 } |
4122dbc9711b
Added a new package artifacts-common for classes and utilities used in several packages.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
671 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |