rngom/digested/DOMPrinter.java

325N/A/*
325N/A * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
325N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
325N/A *
325N/A * This code is free software; you can redistribute it and/or modify it
325N/A * under the terms of the GNU General Public License version 2 only, as
325N/A * published by the Free Software Foundation.  Oracle designates this
325N/A * particular file as subject to the "Classpath" exception as provided
325N/A * by Oracle in the LICENSE file that accompanied this code.
325N/A *
325N/A * This code is distributed in the hope that it will be useful, but WITHOUT
325N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
325N/A * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
325N/A * version 2 for more details (a copy is included in the LICENSE file that
325N/A * accompanied this code).
325N/A *
325N/A * You should have received a copy of the GNU General Public License version
325N/A * 2 along with this work; if not, write to the Free Software Foundation,
325N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
325N/A *
325N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
325N/A * or visit www.oracle.com if you need additional information or have any
325N/A * questions.
325N/A */
325N/A/*
325N/A * Copyright (C) 2004-2011
325N/A *
325N/A * Permission is hereby granted, free of charge, to any person obtaining a copy
325N/A * of this software and associated documentation files (the "Software"), to deal
325N/A * in the Software without restriction, including without limitation the rights
325N/A * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
325N/A * copies of the Software, and to permit persons to whom the Software is
325N/A * furnished to do so, subject to the following conditions:
325N/A *
325N/A * The above copyright notice and this permission notice shall be included in
325N/A * all copies or substantial portions of the Software.
325N/A *
325N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
325N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
325N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
325N/A * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
325N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
325N/A * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
325N/A * THE SOFTWARE.
325N/A */
325N/Apackage com.sun.xml.internal.rngom.digested;
325N/A
325N/Aimport org.w3c.dom.Attr;
325N/Aimport org.w3c.dom.CDATASection;
325N/Aimport org.w3c.dom.Comment;
325N/Aimport org.w3c.dom.Document;
325N/Aimport org.w3c.dom.DocumentFragment;
325N/Aimport org.w3c.dom.Element;
325N/Aimport org.w3c.dom.EntityReference;
325N/Aimport org.w3c.dom.NamedNodeMap;
325N/Aimport org.w3c.dom.Node;
325N/Aimport org.w3c.dom.NodeList;
325N/Aimport org.w3c.dom.ProcessingInstruction;
325N/Aimport org.w3c.dom.Text;
325N/A
325N/Aimport javax.xml.stream.XMLStreamException;
325N/Aimport javax.xml.stream.XMLStreamWriter;
325N/A
325N/A/**
325N/A * Printer of DOM to XML using StAX {@link XMLStreamWriter}.
325N/A *
325N/A * @author <A href="mailto:demakov@ispras.ru">Alexey Demakov</A>
325N/A */
325N/Aclass DOMPrinter {
325N/A    protected XMLStreamWriter out;
325N/A
325N/A    public DOMPrinter(XMLStreamWriter out) {
325N/A        this.out = out;
325N/A    }
325N/A
325N/A    public void print(Node node) throws XMLStreamException {
325N/A        switch (node.getNodeType()) {
325N/A        case Node.DOCUMENT_NODE:
325N/A            visitDocument((Document) node);
325N/A            break;
325N/A        case Node.DOCUMENT_FRAGMENT_NODE:
325N/A            visitDocumentFragment((DocumentFragment) node);
325N/A            break;
325N/A        case Node.ELEMENT_NODE:
325N/A            visitElement((Element) node);
325N/A            break;
325N/A        case Node.TEXT_NODE:
325N/A            visitText((Text) node);
325N/A            break;
325N/A        case Node.CDATA_SECTION_NODE:
325N/A            visitCDATASection((CDATASection) node);
325N/A            break;
325N/A        case Node.PROCESSING_INSTRUCTION_NODE:
325N/A            visitProcessingInstruction((ProcessingInstruction) node);
325N/A            break;
325N/A        case Node.ENTITY_REFERENCE_NODE:
325N/A            visitReference((EntityReference) node);
325N/A            break;
325N/A        case Node.COMMENT_NODE:
325N/A            visitComment((Comment) node);
325N/A            break;
325N/A        case Node.DOCUMENT_TYPE_NODE:
325N/A            break;
325N/A        case Node.ATTRIBUTE_NODE:
325N/A        case Node.ENTITY_NODE:
325N/A        default:
325N/A            throw new XMLStreamException("Unexpected DOM Node Type "
325N/A                + node.getNodeType()
325N/A            );
325N/A        }
325N/A    }
325N/A
325N/A    protected void visitChildren(Node node)
325N/A        throws XMLStreamException {
325N/A        NodeList nodeList = node.getChildNodes();
325N/A        if (nodeList != null) {
325N/A            for (int i = 0; i < nodeList.getLength(); i++) {
325N/A                print(nodeList.item(i));
325N/A            }
325N/A        }
325N/A    }
325N/A
325N/A    protected void visitDocument(Document document)
325N/A        throws XMLStreamException {
325N/A        out.writeStartDocument();
325N/A        print(document.getDocumentElement());
325N/A        out.writeEndDocument();
325N/A    }
325N/A
325N/A    protected void visitDocumentFragment(DocumentFragment documentFragment)
325N/A        throws XMLStreamException {
325N/A        visitChildren(documentFragment);
325N/A    }
325N/A
325N/A    protected void visitElement(Element node)
325N/A        throws XMLStreamException {
325N/A        out.writeStartElement(node.getPrefix()
325N/A            , node.getLocalName()
325N/A            , node.getNamespaceURI()
325N/A        );
325N/A        NamedNodeMap attrs = node.getAttributes();
325N/A        for (int i = 0; i < attrs.getLength(); i++) {
325N/A            visitAttr((Attr) attrs.item(i));
325N/A        }
325N/A        visitChildren(node);
325N/A        out.writeEndElement();
325N/A    }
325N/A
325N/A    protected void visitAttr(Attr node)
325N/A        throws XMLStreamException {
325N/A        String name = node.getLocalName();
325N/A        if (name.equals("xmlns")) {
325N/A            out.writeDefaultNamespace(node.getNamespaceURI());
325N/A        } else {
325N/A            String prefix = node.getPrefix();
325N/A            if (prefix != null && prefix.equals("xmlns")) {
325N/A                out.writeNamespace(prefix, node.getNamespaceURI());
325N/A            } else if (prefix != null) {
325N/A                out.writeAttribute(prefix
325N/A                    , node.getNamespaceURI()
325N/A                    , name
325N/A                    , node.getNodeValue()
325N/A                );
325N/A            } else {
325N/A                out.writeAttribute(node.getNamespaceURI()
325N/A                        , name
325N/A                        , node.getNodeValue());
325N/A            }
325N/A        }
325N/A    }
325N/A
325N/A    protected void visitComment(Comment comment) throws XMLStreamException {
325N/A        out.writeComment(comment.getData());
325N/A    }
325N/A
325N/A    protected void visitText(Text node) throws XMLStreamException {
325N/A        out.writeCharacters(node.getNodeValue());
325N/A    }
325N/A
325N/A    protected void visitCDATASection(CDATASection cdata) throws XMLStreamException {
325N/A        out.writeCData(cdata.getNodeValue());
325N/A    }
325N/A
325N/A    protected void visitProcessingInstruction(ProcessingInstruction processingInstruction)
325N/A        throws XMLStreamException {
325N/A        out.writeProcessingInstruction(processingInstruction.getNodeName()
325N/A            , processingInstruction.getData()
325N/A        );
325N/A    }
325N/A
325N/A    protected void visitReference(EntityReference entityReference)
325N/A        throws XMLStreamException {
325N/A        visitChildren(entityReference);
325N/A    }
325N/A}