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- /*--
-
- $Id: DOMBuilder.java,v 1.60 2007/11/10 05:29:00 jhunter Exp $
-
- Copyright (C) 2000-2007 Jason Hunter & Brett McLaughlin.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- 1. Redistributions of source code must retain the above copyright
- notice, this list of conditions, and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions, and the disclaimer that follows
- these conditions in the documentation and/or other materials
- provided with the distribution.
-
- 3. The name "JDOM" must not be used to endorse or promote products
- derived from this software without prior written permission. For
- written permission, please contact <request_AT_jdom_DOT_org>.
-
- 4. Products derived from this software may not be called "JDOM", nor
- may "JDOM" appear in their name, without prior written permission
- from the JDOM Project Management <request_AT_jdom_DOT_org>.
-
- In addition, we request (but do not require) that you include in the
- end-user documentation provided with the redistribution and/or in the
- software itself an acknowledgement equivalent to the following:
- "This product includes software developed by the
- JDOM Project (http://www.jdom.org/)."
- Alternatively, the acknowledgment may be graphical using the logos
- available at http://www.jdom.org/images/logos.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- DISCLAIMED. IN NO EVENT SHALL THE JDOM AUTHORS OR THE PROJECT
- CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- SUCH DAMAGE.
-
- This software consists of voluntary contributions made by many
- individuals on behalf of the JDOM Project and was originally
- created by Jason Hunter <jhunter_AT_jdom_DOT_org> and
- Brett McLaughlin <brett_AT_jdom_DOT_org>. For more information
- on the JDOM Project, please see <http://www.jdom.org/>.
-
- */
-
- package org.jdom.input;
-
- import org.jdom.*;
- import org.jdom.Document;
- import org.jdom.Element;
- import org.w3c.dom.*;
-
- /**
- * Builds a JDOM {@link org.jdom.Document org.jdom.Document} from a pre-existing
- * DOM {@link org.w3c.dom.Document org.w3c.dom.Document}. Also handy for testing
- * builds from files to sanity check {@link SAXBuilder}.
- *
- * @version $Revision: 1.60 $, $Date: 2007/11/10 05:29:00 $
- * @author Brett McLaughlin
- * @author Jason Hunter
- * @author Philip Nelson
- * @author Kevin Regan
- * @author Yusuf Goolamabbas
- * @author Dan Schaffer
- * @author Bradley S. Huffman
- */
- public class DOMBuilder {
-
- private static final String CVS_ID =
- "@(#) $RCSfile: DOMBuilder.java,v $ $Revision: 1.60 $ $Date: 2007/11/10 05:29:00 $ $Name: jdom_1_1 $";
-
- /** Adapter class to use */
- private String adapterClass;
-
- /** The factory for creating new JDOM objects */
- private JDOMFactory factory = new DefaultJDOMFactory();
-
- /**
- * This creates a new DOMBuilder which will attempt to first locate
- * a parser via JAXP, then will try to use a set of default parsers.
- * The underlying parser will not validate.
- */
- public DOMBuilder() {
- }
-
- /**
- * This creates a new DOMBuilder using the specified DOMAdapter
- * implementation as a way to choose the underlying parser.
- * The underlying parser will not validate.
- *
- * @param adapterClass <code>String</code> name of class
- * to use for DOM building.
- */
- public DOMBuilder(String adapterClass) {
- this.adapterClass = adapterClass;
- }
-
- /*
- * This sets a custom JDOMFactory for the builder. Use this to build
- * the tree with your own subclasses of the JDOM classes.
- *
- * @param factory <code>JDOMFactory</code> to use
- */
- public void setFactory(JDOMFactory factory) {
- this.factory = factory;
- }
-
- /**
- * Returns the current {@link org.jdom.JDOMFactory} in use.
- * @return the factory in use
- */
- public JDOMFactory getFactory() {
- return factory;
- }
-
- /**
- * This will build a JDOM tree from an existing DOM tree.
- *
- * @param domDocument <code>org.w3c.dom.Document</code> object
- * @return <code>Document</code> - JDOM document object.
- */
- public Document build(org.w3c.dom.Document domDocument) {
- Document doc = factory.document(null);
- buildTree(domDocument, doc, null, true);
- return doc;
- }
-
- /**
- * This will build a JDOM Element from an existing DOM Element
- *
- * @param domElement <code> org.w3c.dom.Element</code> object
- * @return <code>Element</code> - JDOM Element object
- */
- public org.jdom.Element build(org.w3c.dom.Element domElement) {
- Document doc = factory.document(null);
- buildTree(domElement, doc, null, true);
- return doc.getRootElement();
- }
-
- /**
- * This takes a DOM <code>Node</code> and builds up
- * a JDOM tree, recursing until the DOM tree is exhausted
- * and the JDOM tree results.
- *
- * @param node <code>Code</node> to examine.
- * @param doc JDOM <code>Document</code> being built.
- * @param current <code>Element</code> that is current parent.
- * @param atRoot <code>boolean</code> indicating whether at root level.
- */
- private void buildTree(Node node,
- Document doc,
- Element current,
- boolean atRoot) {
- // Recurse through the tree
- switch (node.getNodeType()) {
- case Node.DOCUMENT_NODE:
- NodeList nodes = node.getChildNodes();
- for (int i=0, size=nodes.getLength(); i<size; i++) {
- buildTree(nodes.item(i), doc, current, true);
- }
- break;
-
- case Node.ELEMENT_NODE:
- String nodeName = node.getNodeName();
- String prefix = "";
- String localName = nodeName;
- int colon = nodeName.indexOf(':');
- if (colon >= 0) {
- prefix = nodeName.substring(0, colon);
- localName = nodeName.substring(colon + 1);
- }
-
- // Get element's namespace
- Namespace ns = null;
- String uri = node.getNamespaceURI();
- if (uri == null) {
- ns = (current == null) ? Namespace.NO_NAMESPACE
- : current.getNamespace(prefix);
- }
- else {
- ns = Namespace.getNamespace(prefix, uri);
- }
-
- Element element = factory.element(localName, ns);
-
- if (atRoot) {
- // If at root, set as document root
- doc.setRootElement(element); // XXX should we use a factory call?
- } else {
- // else add to parent element
- factory.addContent(current, element);
- }
-
- // Add namespaces
- NamedNodeMap attributeList = node.getAttributes();
- int attsize = attributeList.getLength();
-
- for (int i = 0; i < attsize; i++) {
- Attr att = (Attr) attributeList.item(i);
-
- String attname = att.getName();
- if (attname.startsWith("xmlns")) {
- String attPrefix = "";
- colon = attname.indexOf(':');
- if (colon >= 0) {
- attPrefix = attname.substring(colon + 1);
- }
-
- String attvalue = att.getValue();
-
- Namespace declaredNS =
- Namespace.getNamespace(attPrefix, attvalue);
-
- // Add as additional namespaces if it's different
- // than this element's namespace (perhaps we should
- // also have logic not to mark them as additional if
- // it's been done already, but it probably doesn't
- // matter)
- if (prefix.equals(attPrefix)) {
- element.setNamespace(declaredNS);
- }
- else {
- factory.addNamespaceDeclaration(element, declaredNS);
- }
- }
- }
-
- // Add attributes
- for (int i = 0; i < attsize; i++) {
- Attr att = (Attr) attributeList.item(i);
-
- String attname = att.getName();
-
- if ( !attname.startsWith("xmlns")) {
- String attPrefix = "";
- String attLocalName = attname;
- colon = attname.indexOf(':');
- if (colon >= 0) {
- attPrefix = attname.substring(0, colon);
- attLocalName = attname.substring(colon + 1);
- }
-
- String attvalue = att.getValue();
-
- // Get attribute's namespace
- Namespace attns = null;
- if ("".equals(attPrefix)) {
- attns = Namespace.NO_NAMESPACE;
- }
- else {
- attns = element.getNamespace(attPrefix);
- }
-
- Attribute attribute =
- factory.attribute(attLocalName, attvalue, attns);
- factory.setAttribute(element, attribute);
- }
- }
-
- // Recurse on child nodes
- // The list should never be null nor should it ever contain
- // null nodes, but some DOM impls are broken
- NodeList children = node.getChildNodes();
- if (children != null) {
- int size = children.getLength();
- for (int i = 0; i < size; i++) {
- Node item = children.item(i);
- if (item != null) {
- buildTree(item, doc, element, false);
- }
- }
- }
- break;
-
- case Node.TEXT_NODE:
- String data = node.getNodeValue();
- factory.addContent(current, factory.text(data));
- break;
-
- case Node.CDATA_SECTION_NODE:
- String cdata = node.getNodeValue();
- factory.addContent(current, factory.cdata(cdata));
- break;
-
-
- case Node.PROCESSING_INSTRUCTION_NODE:
- if (atRoot) {
- factory.addContent(doc,
- factory.processingInstruction(node.getNodeName(),
- node.getNodeValue()));
- } else {
- factory.addContent(current,
- factory.processingInstruction(node.getNodeName(),
- node.getNodeValue()));
- }
- break;
-
- case Node.COMMENT_NODE:
- if (atRoot) {
- factory.addContent(doc, factory.comment(node.getNodeValue()));
- } else {
- factory.addContent(current, factory.comment(node.getNodeValue()));
- }
- break;
-
- case Node.ENTITY_REFERENCE_NODE:
- EntityRef entity = factory.entityRef(node.getNodeName());
- factory.addContent(current, entity);
- break;
-
- case Node.ENTITY_NODE:
- // ??
- break;
-
- case Node.DOCUMENT_TYPE_NODE:
- DocumentType domDocType = (DocumentType)node;
- String publicID = domDocType.getPublicId();
- String systemID = domDocType.getSystemId();
- String internalDTD = domDocType.getInternalSubset();
-
- DocType docType = factory.docType(domDocType.getName());
- docType.setPublicID(publicID);
- docType.setSystemID(systemID);
- docType.setInternalSubset(internalDTD);
-
- factory.addContent(doc, docType);
- break;
- }
- }
- }
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