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From-SVN: r102074
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Tom Tromey
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425
libjava/classpath/gnu/xml/dom/html2/DomHTMLDocument.java
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425
libjava/classpath/gnu/xml/dom/html2/DomHTMLDocument.java
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/* DomHTMLDocument.java --
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.xml.dom.html2;
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import gnu.xml.dom.DomDocument;
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import gnu.xml.dom.DomDOMException;
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import java.lang.reflect.Constructor;
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import java.net.MalformedURLException;
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import java.net.URL;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Set;
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import org.w3c.dom.DOMException;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import org.w3c.dom.html2.HTMLCollection;
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import org.w3c.dom.html2.HTMLDocument;
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import org.w3c.dom.html2.HTMLElement;
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/**
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* An HTML document.
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* This is the factory object used to create HTML elements.
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*
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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*/
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public class DomHTMLDocument
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extends DomDocument
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implements HTMLDocument
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{
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private static final Class[] ELEMENT_PT = new Class[] {
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DomHTMLDocument.class,
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String.class,
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String.class
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};
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private static Map ELEMENT_CLASSES;
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static
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{
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Map map = new HashMap();
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map.put("a", DomHTMLAnchorElement.class);
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map.put("applet", DomHTMLAppletElement.class);
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map.put("area", DomHTMLAreaElement.class);
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map.put("base", DomHTMLBaseElement.class);
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map.put("basefont", DomHTMLBaseFontElement.class);
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map.put("body", DomHTMLBodyElement.class);
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map.put("br", DomHTMLBRElement.class);
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map.put("button", DomHTMLButtonElement.class);
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map.put("dir", DomHTMLDirectoryElement.class);
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map.put("div", DomHTMLDivElement.class);
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map.put("dlist", DomHTMLDListElement.class);
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map.put("fieldset", DomHTMLFieldSetElement.class);
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map.put("font", DomHTMLFontElement.class);
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map.put("form", DomHTMLFormElement.class);
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map.put("frame", DomHTMLFrameElement.class);
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map.put("frameset", DomHTMLFrameSetElement.class);
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map.put("head", DomHTMLHeadElement.class);
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map.put("h1", DomHTMLHeadingElement.class);
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map.put("h2", DomHTMLHeadingElement.class);
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map.put("h3", DomHTMLHeadingElement.class);
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map.put("h4", DomHTMLHeadingElement.class);
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map.put("h5", DomHTMLHeadingElement.class);
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map.put("h6", DomHTMLHeadingElement.class);
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map.put("html", DomHTMLHtmlElement.class);
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map.put("iframe", DomHTMLIFrameElement.class);
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map.put("img", DomHTMLImageElement.class);
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map.put("input", DomHTMLInputElement.class);
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map.put("isindex", DomHTMLIsIndexElement.class);
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map.put("label", DomHTMLLabelElement.class);
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map.put("legend", DomHTMLLegendElement.class);
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map.put("li", DomHTMLLIElement.class);
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map.put("link", DomHTMLLinkElement.class);
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map.put("map", DomHTMLMapElement.class);
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map.put("menu", DomHTMLMenuElement.class);
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map.put("meta", DomHTMLMetaElement.class);
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map.put("ins", DomHTMLModElement.class);
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map.put("del", DomHTMLModElement.class);
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map.put("object", DomHTMLObjectElement.class);
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map.put("ol", DomHTMLOListElement.class);
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map.put("optgroup", DomHTMLOptGroupElement.class);
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map.put("option", DomHTMLOptionElement.class);
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map.put("p", DomHTMLParagraphElement.class);
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map.put("param", DomHTMLParamElement.class);
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map.put("pre", DomHTMLPreElement.class);
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map.put("q", DomHTMLQuoteElement.class);
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map.put("blockquote", DomHTMLQuoteElement.class);
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map.put("script", DomHTMLScriptElement.class);
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map.put("select", DomHTMLSelectElement.class);
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map.put("style", DomHTMLStyleElement.class);
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map.put("caption", DomHTMLTableCaptionElement.class);
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map.put("th", DomHTMLTableCellElement.class);
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map.put("td", DomHTMLTableCellElement.class);
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map.put("col", DomHTMLTableColElement.class);
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map.put("colgroup", DomHTMLTableColElement.class);
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map.put("table", DomHTMLTableElement.class);
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map.put("tr", DomHTMLTableRowElement.class);
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map.put("thead", DomHTMLTableSectionElement.class);
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map.put("tfoot", DomHTMLTableSectionElement.class);
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map.put("tbody", DomHTMLTableSectionElement.class);
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map.put("textarea", DomHTMLTextAreaElement.class);
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map.put("title", DomHTMLTitleElement.class);
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map.put("ul", DomHTMLUListElement.class);
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ELEMENT_CLASSES = Collections.unmodifiableMap(map);
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}
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private static Set HTML_NS_URIS;
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static
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{
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Set set = new HashSet();
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set.add("http://www.w3.org/TR/html4/strict");
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set.add("http://www.w3.org/TR/html4/loose");
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set.add("http://www.w3.org/TR/html4/frameset");
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set.add("http://www.w3.org/1999/xhtml");
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set.add("http://www.w3.org/TR/xhtml1/strict");
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set.add("http://www.w3.org/TR/xhtml1/loose");
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set.add("http://www.w3.org/TR/xhtml1/frameset");
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HTML_NS_URIS = Collections.unmodifiableSet(set);
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}
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/**
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* Convenience constructor.
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*/
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public DomHTMLDocument()
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{
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this(new DomHTMLImpl());
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}
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/**
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* Constructor.
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* This is called by the DOMImplementation.
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*/
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public DomHTMLDocument(DomHTMLImpl impl)
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{
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super(impl);
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}
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private Node getChildNodeByName(Node parent, String name)
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{
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for (Node ctx = parent.getFirstChild(); ctx != null;
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ctx = ctx.getNextSibling())
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{
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if (name.equalsIgnoreCase(ctx.getNodeName()))
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{
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return ctx;
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}
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}
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return null;
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}
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public String getTitle()
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{
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Node html = getDocumentElement();
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if (html != null)
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{
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Node head = getChildNodeByName(html, "head");
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if (head != null)
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{
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Node title = getChildNodeByName(head, "title");
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if (title != null)
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{
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return title.getTextContent();
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}
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}
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}
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return null;
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}
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public void setTitle(String title)
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{
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Node html = getDocumentElement();
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if (html == null)
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{
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html = createElement("html");
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appendChild(html);
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}
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Node head = getChildNodeByName(html, "head");
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if (head == null)
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{
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head = createElement("head");
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Node first = html.getFirstChild();
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if (first != null)
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{
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html.insertBefore(first, head);
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}
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else
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{
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html.appendChild(head);
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}
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}
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Node titleNode = getChildNodeByName(head, "title");
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if (titleNode == null)
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{
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titleNode = createElement("title");
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Node first = head.getFirstChild();
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if (first != null)
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{
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head.insertBefore(first, titleNode);
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}
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else
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{
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head.appendChild(titleNode);
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}
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}
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titleNode.setTextContent(title);
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}
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public String getReferrer()
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{
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// TODO getReferrer
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return null;
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}
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public String getDomain()
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{
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try
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{
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URL url = new URL(getDocumentURI());
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return url.getHost();
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}
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catch (MalformedURLException e)
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{
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return null;
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}
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}
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public String getURL()
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{
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return getDocumentURI();
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}
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public HTMLElement getBody()
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{
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Node html = getDocumentElement();
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if (html != null)
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{
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Node body = getChildNodeByName(html, "body");
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if (body == null)
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{
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body = getChildNodeByName(html, "frameset");
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}
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return (HTMLElement) body;
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}
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return null;
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}
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public void setBody(HTMLElement body)
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{
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Node html = getDocumentElement();
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if (html == null)
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{
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html = createElement("html");
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appendChild(html);
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}
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Node ref = getBody();
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if (ref == null)
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{
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html.appendChild(body);
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}
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else
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{
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html.replaceChild(body, ref);
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}
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}
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public HTMLCollection getImages()
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName("img");
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ret.evaluate();
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return ret;
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}
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public HTMLCollection getApplets()
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName("object");
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ret.addNodeName("applet");
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ret.evaluate();
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return ret;
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}
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public HTMLCollection getLinks()
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName("area");
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ret.addNodeName("a");
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ret.evaluate();
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return ret;
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}
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public HTMLCollection getForms()
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName("form");
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ret.evaluate();
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return ret;
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}
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public HTMLCollection getAnchors()
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName("a");
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ret.addAttributeName("name");
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ret.evaluate();
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return ret;
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}
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public String getCookie()
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{
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// TODO getCookie
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return null;
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}
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public void setCookie(String cookie)
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{
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// TODO setCookie
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}
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public void open()
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{
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// TODO open
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}
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public void close()
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{
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// TODO close
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}
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public void write(String text)
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{
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// TODO write
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}
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public void writeln(String text)
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{
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// TODO write
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}
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public NodeList getElementsByName(String name)
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{
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DomHTMLCollection ret = new DomHTMLCollection(this, this);
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ret.addNodeName(name);
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ret.evaluate();
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return ret;
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// TODO xhtml: return only form controls (?)
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}
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public Element createElement(String tagName)
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{
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return createElementNS(null, tagName);
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}
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public Element createElementNS(String uri, String qName)
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{
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/* If a non-HTML element, use the default implementation. */
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if (uri != null && !HTML_NS_URIS.contains(uri))
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{
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return super.createElementNS(uri, qName);
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}
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String localName = qName.toLowerCase();
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int ci = qName.indexOf(':');
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if (ci != -1)
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{
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localName = qName.substring(ci + 1);
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}
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Class t = (Class) ELEMENT_CLASSES.get(localName);
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/* If a non-HTML element, use the default implementation. */
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if (t == null)
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{
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return super.createElementNS(uri, qName);
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}
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try
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{
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Constructor c = t.getDeclaredConstructor(ELEMENT_PT);
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Object[] args = new Object[] { this, uri, qName };
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return (Element) c.newInstance(args);
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}
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catch (Exception e)
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{
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DOMException e2 = new DomDOMException(DOMException.TYPE_MISMATCH_ERR);
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e2.initCause(e);
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throw e2;
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}
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}
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}
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