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Diffstat (limited to '')
-rw-r--r-- | branches/2.0-M2/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/SAX2DOM.java | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/branches/2.0-M2/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/SAX2DOM.java b/branches/2.0-M2/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/SAX2DOM.java deleted file mode 100644 index 02d871959d..0000000000 --- a/branches/2.0-M2/modules/databinding/src/main/java/org/apache/tuscany/sca/databinding/xml/SAX2DOM.java +++ /dev/null @@ -1,249 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.databinding.xml; - -import java.util.ArrayList; -import java.util.List; -import java.util.Stack; - -import javax.xml.parsers.ParserConfigurationException; - -import org.apache.tuscany.sca.databinding.impl.DOMHelper; -import org.w3c.dom.Comment; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.Node; -import org.w3c.dom.ProcessingInstruction; -import org.w3c.dom.Text; -import org.xml.sax.Attributes; -import org.xml.sax.ContentHandler; -import org.xml.sax.Locator; -import org.xml.sax.SAXException; -import org.xml.sax.ext.LexicalHandler; - -/** - * SAX2DOM adapter - * - * @version $Rev$ $Date$ - */ -public class SAX2DOM implements ContentHandler, LexicalHandler { - public static final String EMPTYSTRING = ""; - public static final String XML_PREFIX = "xml"; - public static final String XMLNS_PREFIX = "xmlns"; - public static final String XMLNS_STRING = "xmlns:"; - public static final String XMLNS_URI = "http://www.w3.org/2000/xmlns/"; - - private Node root; - - private Document document; - - private Node nextSibling; - - private Stack<Node> nodeStk = new Stack<Node>(); - - private List<String> namespaceDecls; - - private Node lastSibling; - - public SAX2DOM() throws ParserConfigurationException { - this.document = DOMHelper.newDocument(); - this.root = document; - } - - public SAX2DOM(Node root, Node nextSibling) throws ParserConfigurationException { - this.root = root; - if (root instanceof Document) { - this.document = (Document)root; - } else if (root != null) { - this.document = root.getOwnerDocument(); - } else { - this.document = DOMHelper.newDocument(); - this.root = document; - } - - this.nextSibling = nextSibling; - } - - public SAX2DOM(Node root) throws ParserConfigurationException { - this(root, null); - } - - public Node getDOM() { - return root; - } - - public void characters(char[] ch, int start, int length) { - final Node last = nodeStk.peek(); - - // No text nodes can be children of root (DOM006 exception) - if (last != document) { - final String text = new String(ch, start, length); - if (lastSibling != null && lastSibling.getNodeType() == Node.TEXT_NODE) { - ((Text)lastSibling).appendData(text); - } else if (last == root && nextSibling != null) { - lastSibling = last.insertBefore(document.createTextNode(text), nextSibling); - } else { - lastSibling = last.appendChild(document.createTextNode(text)); - } - - } - } - - public void startDocument() { - nodeStk.push(root); - } - - public void endDocument() { - nodeStk.pop(); - } - - public void startElement(String namespace, String localName, String qName, Attributes attrs) { - final Element tmp = document.createElementNS(namespace, qName); - - // Add namespace declarations first - if (namespaceDecls != null) { - final int nDecls = namespaceDecls.size(); - for (int i = 0; i < nDecls; i++) { - final String prefix = namespaceDecls.get(i++); - - if (prefix == null || prefix.equals(EMPTYSTRING)) { - tmp.setAttributeNS(XMLNS_URI, XMLNS_PREFIX, namespaceDecls.get(i)); - } else { - tmp.setAttributeNS(XMLNS_URI, XMLNS_STRING + prefix, namespaceDecls.get(i)); - } - } - namespaceDecls.clear(); - } - - // Add attributes to element - final int nattrs = attrs.getLength(); - for (int i = 0; i < nattrs; i++) { - if (attrs.getLocalName(i) == null) { - tmp.setAttribute(attrs.getQName(i), attrs.getValue(i)); - } else { - tmp.setAttributeNS(attrs.getURI(i), attrs.getQName(i), attrs.getValue(i)); - } - } - - // Append this new node onto current stack node - Node last = nodeStk.peek(); - - // If the SAX2DOM is created with a non-null next sibling node, - // insert the result nodes before the next sibling under the root. - if (last == root && nextSibling != null) { - last.insertBefore(tmp, nextSibling); - } else { - last.appendChild(tmp); - } - - // Push this node onto stack - nodeStk.push(tmp); - lastSibling = null; - } - - public void endElement(String namespace, String localName, String qName) { - nodeStk.pop(); - lastSibling = null; - } - - public void startPrefixMapping(String prefix, String uri) { - if (namespaceDecls == null) { - namespaceDecls = new ArrayList<String>(2); - } - namespaceDecls.add(prefix); - namespaceDecls.add(uri); - } - - public void endPrefixMapping(String prefix) { - // do nothing - } - - /** - * This class is only used internally so this method should never be called. - */ - public void ignorableWhitespace(char[] ch, int start, int length) { - } - - /** - * adds processing instruction node to DOM. - */ - public void processingInstruction(String target, String data) { - final Node last = nodeStk.peek(); - ProcessingInstruction pi = document.createProcessingInstruction(target, data); - if (pi != null) { - if (last == root && nextSibling != null) { - last.insertBefore(pi, nextSibling); - } else { - last.appendChild(pi); - } - - lastSibling = pi; - } - } - - /** - * This class is only used internally so this method should never be called. - */ - public void setDocumentLocator(Locator locator) { - } - - /** - * This class is only used internally so this method should never be called. - */ - public void skippedEntity(String name) { - } - - /** - * Lexical Handler method to create comment node in DOM tree. - */ - public void comment(char[] ch, int start, int length) { - final Node last = nodeStk.peek(); - Comment comment = document.createComment(new String(ch, start, length)); - if (comment != null) { - if (last == root && nextSibling != null) { - last.insertBefore(comment, nextSibling); - } else { - last.appendChild(comment); - } - - lastSibling = comment; - } - } - - // Lexical Handler methods- not implemented - public void startCDATA() { - } - - public void endCDATA() { - } - - public void startEntity(java.lang.String name) { - } - - public void endDTD() { - } - - public void endEntity(String name) { - } - - public void startDTD(String name, String publicId, String systemId) throws SAXException { - } - -} |