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1 /* |
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2 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Oracle designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Oracle in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 /* |
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26 * Copyright (C) 2004-2011 |
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27 * |
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28 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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29 * of this software and associated documentation files (the "Software"), to deal |
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30 * in the Software without restriction, including without limitation the rights |
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31 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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32 * copies of the Software, and to permit persons to whom the Software is |
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33 * furnished to do so, subject to the following conditions: |
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34 * |
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35 * The above copyright notice and this permission notice shall be included in |
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36 * all copies or substantial portions of the Software. |
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37 * |
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38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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39 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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40 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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41 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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42 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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43 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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44 * THE SOFTWARE. |
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45 */ |
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46 package com.sun.xml.internal.rngom.digested; |
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47 |
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48 import org.w3c.dom.Attr; |
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49 import org.w3c.dom.CDATASection; |
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50 import org.w3c.dom.Comment; |
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51 import org.w3c.dom.Document; |
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52 import org.w3c.dom.DocumentFragment; |
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53 import org.w3c.dom.Element; |
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54 import org.w3c.dom.EntityReference; |
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55 import org.w3c.dom.NamedNodeMap; |
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56 import org.w3c.dom.Node; |
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57 import org.w3c.dom.NodeList; |
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58 import org.w3c.dom.ProcessingInstruction; |
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59 import org.w3c.dom.Text; |
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60 |
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61 import javax.xml.stream.XMLStreamException; |
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62 import javax.xml.stream.XMLStreamWriter; |
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63 |
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64 /** |
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65 * Printer of DOM to XML using StAX {@link XMLStreamWriter}. |
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66 * |
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67 * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A> |
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68 */ |
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69 class DOMPrinter { |
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70 protected XMLStreamWriter out; |
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71 |
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72 public DOMPrinter(XMLStreamWriter out) { |
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73 this.out = out; |
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74 } |
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75 |
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76 public void print(Node node) throws XMLStreamException { |
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77 switch (node.getNodeType()) { |
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78 case Node.DOCUMENT_NODE: |
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79 visitDocument((Document) node); |
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80 break; |
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81 case Node.DOCUMENT_FRAGMENT_NODE: |
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82 visitDocumentFragment((DocumentFragment) node); |
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83 break; |
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84 case Node.ELEMENT_NODE: |
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85 visitElement((Element) node); |
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86 break; |
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87 case Node.TEXT_NODE: |
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88 visitText((Text) node); |
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89 break; |
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90 case Node.CDATA_SECTION_NODE: |
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91 visitCDATASection((CDATASection) node); |
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92 break; |
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93 case Node.PROCESSING_INSTRUCTION_NODE: |
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94 visitProcessingInstruction((ProcessingInstruction) node); |
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95 break; |
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96 case Node.ENTITY_REFERENCE_NODE: |
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97 visitReference((EntityReference) node); |
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98 break; |
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99 case Node.COMMENT_NODE: |
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100 visitComment((Comment) node); |
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101 break; |
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102 case Node.DOCUMENT_TYPE_NODE: |
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103 break; |
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104 case Node.ATTRIBUTE_NODE: |
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105 case Node.ENTITY_NODE: |
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106 default: |
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107 throw new XMLStreamException("Unexpected DOM Node Type " |
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108 + node.getNodeType() |
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109 ); |
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110 } |
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111 } |
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112 |
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113 protected void visitChildren(Node node) |
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114 throws XMLStreamException { |
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115 NodeList nodeList = node.getChildNodes(); |
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116 if (nodeList != null) { |
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117 for (int i = 0; i < nodeList.getLength(); i++) { |
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118 print(nodeList.item(i)); |
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119 } |
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120 } |
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121 } |
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122 |
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123 protected void visitDocument(Document document) |
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124 throws XMLStreamException { |
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125 out.writeStartDocument(); |
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126 print(document.getDocumentElement()); |
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127 out.writeEndDocument(); |
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128 } |
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129 |
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130 protected void visitDocumentFragment(DocumentFragment documentFragment) |
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131 throws XMLStreamException { |
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132 visitChildren(documentFragment); |
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133 } |
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134 |
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135 protected void visitElement(Element node) |
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136 throws XMLStreamException { |
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137 out.writeStartElement(node.getPrefix() |
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138 , node.getLocalName() |
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139 , node.getNamespaceURI() |
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140 ); |
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141 NamedNodeMap attrs = node.getAttributes(); |
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142 for (int i = 0; i < attrs.getLength(); i++) { |
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143 visitAttr((Attr) attrs.item(i)); |
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144 } |
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145 visitChildren(node); |
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146 out.writeEndElement(); |
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147 } |
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148 |
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149 protected void visitAttr(Attr node) |
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150 throws XMLStreamException { |
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151 String name = node.getLocalName(); |
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152 if (name.equals("xmlns")) { |
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153 out.writeDefaultNamespace(node.getNamespaceURI()); |
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154 } else { |
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155 String prefix = node.getPrefix(); |
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156 if (prefix != null && prefix.equals("xmlns")) { |
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157 out.writeNamespace(prefix, node.getNamespaceURI()); |
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158 } else if (prefix != null) { |
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159 out.writeAttribute(prefix |
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160 , node.getNamespaceURI() |
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161 , name |
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162 , node.getNodeValue() |
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163 ); |
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164 } else { |
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165 out.writeAttribute(node.getNamespaceURI() |
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166 , name |
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167 , node.getNodeValue()); |
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168 } |
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169 } |
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170 } |
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171 |
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172 protected void visitComment(Comment comment) throws XMLStreamException { |
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173 out.writeComment(comment.getData()); |
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174 } |
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175 |
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176 protected void visitText(Text node) throws XMLStreamException { |
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177 out.writeCharacters(node.getNodeValue()); |
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178 } |
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179 |
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180 protected void visitCDATASection(CDATASection cdata) throws XMLStreamException { |
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181 out.writeCData(cdata.getNodeValue()); |
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182 } |
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183 |
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184 protected void visitProcessingInstruction(ProcessingInstruction processingInstruction) |
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185 throws XMLStreamException { |
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186 out.writeProcessingInstruction(processingInstruction.getNodeName() |
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187 , processingInstruction.getData() |
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188 ); |
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189 } |
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190 |
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191 protected void visitReference(EntityReference entityReference) |
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192 throws XMLStreamException { |
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193 visitChildren(entityReference); |
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194 } |
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195 } |