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  1. import javax.xml.parsers.DocumentBuilder;
  2. import javax.xml.parsers.DocumentBuilderFactory;
  3.  
  4. import org.w3c.dom.Attr;
  5. import org.w3c.dom.DOMException;
  6. import org.w3c.dom.Document;
  7. import org.w3c.dom.Element;
  8. import org.w3c.dom.NamedNodeMap;
  9. import org.w3c.dom.Node;
  10. import org.w3c.dom.NodeList;
  11. import org.w3c.dom.TypeInfo;
  12. import org.w3c.dom.UserDataHandler;
  13.  
  14. public class Main {
  15.  
  16.     public static void main(String[] args) {
  17.     	try {
  18. 			DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  19. 			DocumentBuilder builder = factory.newDocumentBuilder();
  20. 			Document document = builder.newDocument();
  21.  
  22.     		Node root = new Main().new MyElement(document.createElement("a"));
  23. 			Node e1 = document.createElement("a");
  24. 			Node e2 = document.createElement("a");
  25. 			Node e3 = new Main().new MyElement(document.createElement("a"));
  26.  
  27. 			root.appendChild(e1);
  28. 			System.out.println("Succeed: appendChild(e1)");
  29. 			root.appendChild(e2);
  30. 			System.out.println("Succeed: appendChild(e2)");
  31. 			root.appendChild(e3);
  32. 			System.out.println("Succeed: appendChild(e3)");
  33. 		} catch (Exception e) {
  34. 			e.printStackTrace();
  35. 		}
  36. 	}
  37.  
  38. 	public class MyElement implements Element {
  39. 		private final Element element;
  40.  
  41. 		public MyElement(Element element) {
  42. 			super();
  43. 			this.element = element;
  44. 		}
  45.  
  46. 		@Override
  47. 		public String getNodeName() {
  48. 			return element.getNodeName();
  49. 		}
  50.  
  51. 		@Override
  52. 		public String getNodeValue() throws DOMException {
  53. 			return element.getNodeValue();
  54. 		}
  55.  
  56. 		@Override
  57. 		public void setNodeValue(String nodeValue) throws DOMException {
  58. 			element.setNodeValue(nodeValue);
  59. 		}
  60.  
  61. 		@Override
  62. 		public short getNodeType() {
  63. 			return element.getNodeType();
  64. 		}
  65.  
  66. 		@Override
  67. 		public Node getParentNode() {
  68. 			return element.getParentNode();
  69. 		}
  70.  
  71. 		@Override
  72. 		public NodeList getChildNodes() {
  73. 			return element.getChildNodes();
  74. 		}
  75.  
  76. 		@Override
  77. 		public Node getFirstChild() {
  78. 			return element.getFirstChild();
  79. 		}
  80.  
  81. 		@Override
  82. 		public Node getLastChild() {
  83. 			return element.getLastChild();
  84. 		}
  85.  
  86. 		@Override
  87. 		public Node getPreviousSibling() {
  88. 			return element.getPreviousSibling();
  89. 		}
  90.  
  91. 		@Override
  92. 		public Node getNextSibling() {
  93. 			return element.getNextSibling();
  94. 		}
  95.  
  96. 		@Override
  97. 		public NamedNodeMap getAttributes() {
  98. 			return element.getAttributes();
  99. 		}
  100.  
  101. 		@Override
  102. 		public Document getOwnerDocument() {
  103. 			return element.getOwnerDocument();
  104. 		}
  105.  
  106. 		@Override
  107. 		public Node insertBefore(Node newChild, Node refChild) throws DOMException {
  108. 			return element.insertBefore(newChild, refChild);
  109. 		}
  110.  
  111. 		@Override
  112. 		public Node replaceChild(Node newChild, Node oldChild) throws DOMException {
  113. 			return element.replaceChild(newChild, oldChild);
  114. 		}
  115.  
  116. 		@Override
  117. 		public Node removeChild(Node oldChild) throws DOMException {
  118. 			return element.removeChild(oldChild);
  119. 		}
  120.  
  121. 		@Override
  122. 		public Node appendChild(Node newChild) throws DOMException {
  123. 			return element.appendChild(newChild);
  124. 		}
  125.  
  126. 		@Override
  127. 		public boolean hasChildNodes() {
  128. 			return element.hasChildNodes();
  129. 		}
  130.  
  131. 		@Override
  132. 		public Node cloneNode(boolean deep) {
  133. 			return element.cloneNode(deep);
  134. 		}
  135.  
  136. 		@Override
  137. 		public void normalize() {
  138. 			element.normalize();
  139. 		}
  140.  
  141. 		@Override
  142. 		public boolean isSupported(String feature, String version) {
  143. 			return element.isSupported(feature, version);
  144. 		}
  145.  
  146. 		@Override
  147. 		public String getNamespaceURI() {
  148. 			return element.getNamespaceURI();
  149. 		}
  150.  
  151. 		@Override
  152. 		public String getPrefix() {
  153. 			return element.getPrefix();
  154. 		}
  155.  
  156. 		@Override
  157. 		public void setPrefix(String prefix) throws DOMException {
  158. 			element.setPrefix(prefix);
  159. 		}
  160.  
  161. 		@Override
  162. 		public String getLocalName() {
  163. 			return element.getLocalName();
  164. 		}
  165.  
  166. 		@Override
  167. 		public boolean hasAttributes() {
  168. 			return element.hasAttributes();
  169. 		}
  170.  
  171. 		@Override
  172. 		public String getBaseURI() {
  173. 			return element.getBaseURI();
  174. 		}
  175.  
  176. 		@Override
  177. 		public short compareDocumentPosition(Node other) throws DOMException {
  178. 			return element.compareDocumentPosition(other);
  179. 		}
  180.  
  181. 		@Override
  182. 		public String getTextContent() throws DOMException {
  183. 			return element.getTextContent();
  184. 		}
  185.  
  186. 		@Override
  187. 		public void setTextContent(String textContent) throws DOMException {
  188. 			element.setTextContent(textContent);
  189. 		}
  190.  
  191. 		@Override
  192. 		public boolean isSameNode(Node other) {
  193. 			return element.isSameNode(other);
  194. 		}
  195.  
  196. 		@Override
  197. 		public String lookupPrefix(String namespaceURI) {
  198. 			return element.lookupPrefix(namespaceURI);
  199. 		}
  200.  
  201. 		@Override
  202. 		public boolean isDefaultNamespace(String namespaceURI) {
  203. 			return element.isDefaultNamespace(namespaceURI);
  204. 		}
  205.  
  206. 		@Override
  207. 		public String lookupNamespaceURI(String prefix) {
  208. 			return element.lookupNamespaceURI(prefix);
  209. 		}
  210.  
  211. 		@Override
  212. 		public boolean isEqualNode(Node arg) {
  213. 			return element.isEqualNode(arg);
  214. 		}
  215.  
  216. 		@Override
  217. 		public Object getFeature(String feature, String version) {
  218. 			return element.getFeature(feature, version);
  219. 		}
  220.  
  221. 		@Override
  222. 		public Object setUserData(String key, Object data, UserDataHandler handler) {
  223. 			return element.setUserData(key, data, handler);
  224. 		}
  225.  
  226. 		@Override
  227. 		public Object getUserData(String key) {
  228. 			return element.getUserData(key);
  229. 		}
  230.  
  231. 		@Override
  232. 		public String getTagName() {
  233. 			return element.getTagName();
  234. 		}
  235.  
  236. 		@Override
  237. 		public String getAttribute(String name) {
  238. 			return element.getAttribute(name);
  239. 		}
  240.  
  241. 		@Override
  242. 		public void setAttribute(String name, String value) throws DOMException {
  243. 			element.setAttribute(name, value);
  244. 		}
  245.  
  246. 		@Override
  247. 		public void removeAttribute(String name) throws DOMException {
  248. 			element.removeAttribute(name);
  249. 		}
  250.  
  251. 		@Override
  252. 		public Attr getAttributeNode(String name) {
  253. 			return element.getAttributeNode(name);
  254. 		}
  255.  
  256. 		@Override
  257. 		public Attr setAttributeNode(Attr newAttr) throws DOMException {
  258. 			return element.setAttributeNode(newAttr);
  259. 		}
  260.  
  261. 		@Override
  262. 		public Attr removeAttributeNode(Attr oldAttr) throws DOMException {
  263. 			return element.removeAttributeNode(oldAttr);
  264. 		}
  265.  
  266. 		@Override
  267. 		public NodeList getElementsByTagName(String name) {
  268. 			return element.getElementsByTagName(name);
  269. 		}
  270.  
  271. 		@Override
  272. 		public String getAttributeNS(String namespaceURI, String localName) throws DOMException {
  273. 			return element.getAttributeNS(namespaceURI, localName);
  274. 		}
  275.  
  276. 		@Override
  277. 		public void setAttributeNS(String namespaceURI, String qualifiedName, String value) throws DOMException {
  278. 			element.setAttributeNS(namespaceURI, qualifiedName, value);
  279. 		}
  280.  
  281. 		@Override
  282. 		public void removeAttributeNS(String namespaceURI, String localName) throws DOMException {
  283. 			element.removeAttributeNS(namespaceURI, localName);
  284. 		}
  285.  
  286. 		@Override
  287. 		public Attr getAttributeNodeNS(String namespaceURI, String localName) throws DOMException {
  288. 			return element.getAttributeNodeNS(namespaceURI, localName);
  289. 		}
  290.  
  291. 		@Override
  292. 		public Attr setAttributeNodeNS(Attr newAttr) throws DOMException {
  293. 			return element.setAttributeNodeNS(newAttr);
  294. 		}
  295.  
  296. 		@Override
  297. 		public NodeList getElementsByTagNameNS(String namespaceURI, String localName) throws DOMException {
  298. 			return element.getElementsByTagNameNS(namespaceURI, localName);
  299. 		}
  300.  
  301. 		@Override
  302. 		public boolean hasAttribute(String name) {
  303. 			return element.hasAttribute(name);
  304. 		}
  305.  
  306. 		@Override
  307. 		public boolean hasAttributeNS(String namespaceURI, String localName) throws DOMException {
  308. 			return element.hasAttributeNS(namespaceURI, localName);
  309. 		}
  310.  
  311. 		@Override
  312. 		public TypeInfo getSchemaTypeInfo() {
  313. 			return element.getSchemaTypeInfo();
  314. 		}
  315.  
  316. 		@Override
  317. 		public void setIdAttribute(String name, boolean isId) throws DOMException {
  318. 			element.setIdAttribute(name, isId);
  319. 		}
  320.  
  321. 		@Override
  322. 		public void setIdAttributeNS(String namespaceURI, String localName, boolean isId) throws DOMException {
  323. 			element.setIdAttributeNS(namespaceURI, localName, isId);
  324. 		}
  325.  
  326. 		@Override
  327. 		public void setIdAttributeNode(Attr idAttr, boolean isId) throws DOMException {
  328. 			element.setIdAttributeNode(idAttr, isId);
  329. 		}
  330. 	}
  331. }
Success #stdin #stdout #stderr 0.11s 380800KB
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Standard input is empty
stdout
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Succeed: appendChild(e1)
Succeed: appendChild(e2)
stderr
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java.lang.ClassCastException: Main$MyElement cannot be cast to com.sun.org.apache.xerces.internal.dom.ChildNode
	at com.sun.org.apache.xerces.internal.dom.ParentNode.internalInsertBefore(ParentNode.java:389)
	at com.sun.org.apache.xerces.internal.dom.ParentNode.insertBefore(ParentNode.java:288)
	at com.sun.org.apache.xerces.internal.dom.NodeImpl.appendChild(NodeImpl.java:238)
	at Main$MyElement.appendChild(Main.java:123)
	at Main.main(Main.java:31)
https://ideone.com/bJrXak
language:
Java (12.0.1)
created:
11 years ago
visibility:
secret

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