diff options
Diffstat (limited to 'java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom')
2 files changed, 0 insertions, 474 deletions
diff --git a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java b/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java deleted file mode 100644 index f2f63e80c6..0000000000 --- a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java +++ /dev/null @@ -1,230 +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.common.xml.dom; - -import java.io.IOException; -import java.io.StringReader; -import java.io.StringWriter; - -import javax.xml.XMLConstants; -import javax.xml.namespace.QName; -import javax.xml.parsers.DocumentBuilder; -import javax.xml.parsers.DocumentBuilderFactory; -import javax.xml.parsers.ParserConfigurationException; -import javax.xml.transform.Source; -import javax.xml.transform.Transformer; -import javax.xml.transform.TransformerConfigurationException; -import javax.xml.transform.TransformerException; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.dom.DOMResult; -import javax.xml.transform.dom.DOMSource; -import javax.xml.transform.sax.SAXResult; -import javax.xml.transform.stream.StreamResult; - -import org.apache.tuscany.sca.common.xml.dom.impl.SAX2DOMAdapter; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.FactoryExtensionPoint; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.w3c.dom.Attr; -import org.w3c.dom.Document; -import org.w3c.dom.Element; -import org.w3c.dom.NamedNodeMap; -import org.w3c.dom.Node; -import org.xml.sax.ContentHandler; -import org.xml.sax.InputSource; -import org.xml.sax.SAXException; -import org.xml.sax.ext.LexicalHandler; - -/** - * Helper for DOM - * - * @version $Rev$ $Date$ - */ -public class DOMHelper { - private DocumentBuilderFactory documentBuilderFactory; - private TransformerFactory transformerFactory; - - public static DOMHelper getInstance(ExtensionPointRegistry registry) { - UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); - return utilities.getUtility(DOMHelper.class); - } - - public DOMHelper(ExtensionPointRegistry registry) { - FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); - documentBuilderFactory = factories.getFactory(DocumentBuilderFactory.class); - documentBuilderFactory.setNamespaceAware(true); - transformerFactory = factories.getFactory(TransformerFactory.class); - } - - /** - * @param documentBuilderFactory - * @param transformerFactory - */ - public DOMHelper(DocumentBuilderFactory documentBuilderFactory, TransformerFactory transformerFactory) { - super(); - this.documentBuilderFactory = documentBuilderFactory; - this.transformerFactory = transformerFactory; - } - - public Document newDocument() { - return newDocumentBuilder().newDocument(); - - } - - public DocumentBuilder newDocumentBuilder() { - try { - return documentBuilderFactory.newDocumentBuilder(); - } catch (ParserConfigurationException e) { - throw new IllegalArgumentException(e); - } - } - - public Document load(String xmlString) throws IOException, SAXException { - DocumentBuilder builder = newDocumentBuilder(); - InputSource is = new InputSource(new StringReader(xmlString)); - return builder.parse(is); - } - - public Document load(Source source) { - Transformer transformer = newTransformer(); - DOMResult result = new DOMResult(newDocument()); - try { - transformer.transform(source, result); - } catch (TransformerException e) { - throw new IllegalArgumentException(e); - } - return (Document)result.getNode(); - } - - public NodeContentHandler createContentHandler(Node root) { - if (root == null) { - root = newDocument(); - } - return new SAX2DOMAdapter(root); - } - - public String saveAsString(Node node) { - Transformer transformer = newTransformer(); - StringWriter sw = new StringWriter(); - StreamResult result = new StreamResult(sw); - try { - transformer.transform(new DOMSource(node), result); - } catch (TransformerException e) { - throw new IllegalArgumentException(e); - } - return result.getWriter().toString(); - } - - private Transformer newTransformer() { - Transformer transformer = null; - try { - transformer = transformerFactory.newTransformer(); - } catch (TransformerConfigurationException e) { - throw new IllegalArgumentException(e); - } - return transformer; - } - - public void saveAsSAX(Node node, ContentHandler contentHandler) { - Transformer transformer = newTransformer(); - SAXResult result = new SAXResult(contentHandler); - try { - transformer.transform(new DOMSource(node), result); - } catch (TransformerException e) { - throw new IllegalArgumentException(e); - } - } - - public static QName getQName(Node node) { - String ns = node.getNamespaceURI(); - String prefix = node.getPrefix(); - String localName = node.getLocalName(); - if (localName == null) { - localName = node.getNodeName(); - } - if (ns == null) { - ns = ""; - } - if (prefix == null) { - prefix = ""; - } - return new QName(ns, localName, prefix); - } - - public static Element createElement(Document document, QName name) { - String prefix = name.getPrefix(); - String qname = - (prefix != null && prefix.length() > 0) ? prefix + ":" + name.getLocalPart() : name.getLocalPart(); - return document.createElementNS(name.getNamespaceURI(), qname); - } - - /** - * Wrap an element as a DOM document - * @param node - * @return - */ - public static Document promote(Node node) { - if (node instanceof Document) { - return (Document)node; - } - Element element = (Element)node; - Document doc = element.getOwnerDocument(); - if (doc.getDocumentElement() == element) { - return doc; - } - doc = (Document)element.getOwnerDocument().cloneNode(false); - Element schema = (Element)doc.importNode(element, true); - doc.appendChild(schema); - Node parent = element.getParentNode(); - while (parent instanceof Element) { - Element root = (Element)parent; - NamedNodeMap nodeMap = root.getAttributes(); - for (int i = 0; i < nodeMap.getLength(); i++) { - Attr attr = (Attr)nodeMap.item(i); - String name = attr.getName(); - if ("xmlns".equals(name) || name.startsWith("xmlns:")) { - if (schema.getAttributeNode(name) == null) { - schema.setAttributeNodeNS((Attr)doc.importNode(attr, true)); - } - } - } - parent = parent.getParentNode(); - } - return doc; - } - - public static String getPrefix(Element element, String namespace) { - if (element.isDefaultNamespace(namespace)) { - return XMLConstants.DEFAULT_NS_PREFIX; - } - return element.lookupPrefix(namespace); - } - - public static String getNamespaceURI(Element element, String prefix) { - if (XMLConstants.DEFAULT_NS_PREFIX.equals(prefix)) { - prefix = null; - } - return element.lookupNamespaceURI(prefix); - } - - public static interface NodeContentHandler extends ContentHandler, LexicalHandler { - Node getNode(); - } - -} diff --git a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/impl/SAX2DOMAdapter.java b/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/impl/SAX2DOMAdapter.java deleted file mode 100644 index 11d692c81e..0000000000 --- a/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/impl/SAX2DOMAdapter.java +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright 2001-2004 The Apache Software Foundation. - * - * Licensed 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.common.xml.dom.impl; - -import java.util.ArrayList; -import java.util.List; -import java.util.Stack; - -import org.apache.tuscany.sca.common.xml.dom.DOMHelper; -import org.apache.tuscany.sca.common.xml.dom.DOMHelper.NodeContentHandler; -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -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.Locator; -import org.xml.sax.SAXException; - -/** - * SAX2DOM adapter - * - * @version $Rev$ $Date$ - */ -public class SAX2DOMAdapter implements DOMHelper.NodeContentHandler { - 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 SAX2DOMAdapter(ExtensionPointRegistry registry) { - UtilityExtensionPoint utilities = registry.getExtensionPoint(UtilityExtensionPoint.class); - DOMHelper domHelper = utilities.getUtility(DOMHelper.class); - this.document = domHelper.newDocument(); - this.root = document; - } - - public SAX2DOMAdapter(Node root, Node nextSibling) { - this.root = root; - if (root instanceof Document) { - this.document = (Document)root; - } else if (root != null) { - this.document = root.getOwnerDocument(); - } - - this.nextSibling = nextSibling; - } - - public SAX2DOMAdapter(Node root) { - this(root, null); - } - - public Node getNode() { - 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 { - } - -} |