summaryrefslogtreecommitdiffstats
path: root/java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java
diff options
context:
space:
mode:
Diffstat (limited to 'java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java')
-rw-r--r--java/sca/modules/common-xml/src/main/java/org/apache/tuscany/sca/common/xml/dom/DOMHelper.java230
1 files changed, 0 insertions, 230 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();
- }
-
-}