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-rw-r--r--sca-java-2.x/tags/2.0.1-RC1/modules/binding-ws/src/main/java/org/apache/tuscany/sca/binding/ws/xml/EndPointReferenceHelper.java221
1 files changed, 221 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ws/src/main/java/org/apache/tuscany/sca/binding/ws/xml/EndPointReferenceHelper.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ws/src/main/java/org/apache/tuscany/sca/binding/ws/xml/EndPointReferenceHelper.java
new file mode 100644
index 0000000000..2041a0ff91
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-ws/src/main/java/org/apache/tuscany/sca/binding/ws/xml/EndPointReferenceHelper.java
@@ -0,0 +1,221 @@
+/*
+ * 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.binding.ws.xml;
+
+import static javax.xml.XMLConstants.XMLNS_ATTRIBUTE_NS_URI;
+
+import javax.xml.namespace.QName;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+import javax.xml.stream.XMLStreamWriter;
+
+import org.apache.tuscany.sca.common.xml.stax.StAXHelper;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+
+/**
+ * Helper methods to read and write a wsa:endpointReference
+ * TODO: almost direct copy of code for Assembly properties
+ * must be able to move to a common utility
+ *
+ * @version $Rev$ $Date$
+ */
+public class EndPointReferenceHelper {
+
+ /**
+ * Read a wsa:endpointReference into a DOM Element
+ */
+ public static Element readEndPointReference(XMLStreamReader reader) {
+ try {
+
+ return loadElement(reader);
+
+ } catch (XMLStreamException e) {
+ throw new RuntimeException(e);
+ } catch (ParserConfigurationException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ /**
+ * Write a wsa:endpointReference from a DOM Element
+ */
+ public static void writeEndPointReference(Element element, XMLStreamWriter writer, StAXHelper staxHelper) {
+ try {
+
+ saveElement(element, writer, staxHelper);
+
+ } catch (XMLStreamException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ private static Element loadElement(XMLStreamReader reader) throws XMLStreamException, ParserConfigurationException {
+ Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+ Node root = document;
+ Node current = root;
+ while (true) {
+ switch (reader.getEventType()) {
+ case XMLStreamConstants.START_ELEMENT:
+ QName name = reader.getName();
+ Element child = createElement(document, name);
+
+ // push the new element and make it the current one
+ current.appendChild(child);
+ current = child;
+
+ int count = reader.getNamespaceCount();
+ for (int i = 0; i < count; i++) {
+ String prefix = reader.getNamespacePrefix(i);
+ String ns = reader.getNamespaceURI(i);
+ declareNamespace(child, prefix, ns);
+ }
+
+ if(!"".equals(name.getNamespaceURI()))
+ declareNamespace(child, name.getPrefix(), name.getNamespaceURI());
+
+ // add the attributes for this element
+ count = reader.getAttributeCount();
+ for (int i = 0; i < count; i++) {
+ String ns = reader.getAttributeNamespace(i);
+ String prefix = reader.getAttributePrefix(i);
+ String qname = reader.getAttributeLocalName(i);
+ String value = reader.getAttributeValue(i);
+ if (prefix != null && prefix.length() != 0) {
+ qname = prefix + ":" + qname;
+ }
+ child.setAttributeNS(ns, qname, value);
+ if (ns != null) {
+ declareNamespace(child, prefix, ns);
+ }
+ }
+
+ break;
+ case XMLStreamConstants.CDATA:
+ current.appendChild(document.createCDATASection(reader.getText()));
+ break;
+ case XMLStreamConstants.CHARACTERS:
+ current.appendChild(document.createTextNode(reader.getText()));
+ break;
+ case XMLStreamConstants.END_ELEMENT:
+ // if we are back at the root then we are done
+ if ("EndpointReference".equals(reader.getName().getLocalPart())) {
+ return document.getDocumentElement();
+ }
+
+ // pop the element off the stack
+ current = current.getParentNode();
+ }
+ if ( reader.hasNext()) reader.next();
+ }
+ }
+
+ private 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);
+ }
+
+ private static void declareNamespace(Element element, String prefix, String ns) {
+ if (ns == null) {
+ ns = "";
+ }
+ if (prefix == null) {
+ prefix = "";
+ }
+ String qname = null;
+ if ("".equals(prefix)) {
+ qname = "xmlns";
+ } else {
+ qname = "xmlns:" + prefix;
+ }
+ Node node = element;
+ boolean declared = false;
+ while (node != null && node.getNodeType() == Node.ELEMENT_NODE) {
+ NamedNodeMap attrs = node.getAttributes();
+ if (attrs == null) {
+ break;
+ }
+ Node attr = attrs.getNamedItem(qname);
+ if (attr != null) {
+ declared = ns.equals(attr.getNodeValue());
+ break;
+ }
+ node = node.getParentNode();
+ }
+ if (!declared) {
+ org.w3c.dom.Attr attr = element.getOwnerDocument().createAttributeNS(XMLNS_ATTRIBUTE_NS_URI, qname);
+ attr.setValue(ns);
+ element.setAttributeNodeNS(attr);
+ }
+ }
+
+ private static void saveElement(Element element, XMLStreamWriter writer, StAXHelper staxHelper) throws XMLStreamException{
+
+ XMLStreamReader reader = staxHelper.createXMLStreamReader(element);
+
+ while (reader.hasNext()) {
+ switch (reader.next()) {
+ case XMLStreamConstants.START_ELEMENT:
+ QName name = reader.getName();
+ writer.writeStartElement(name.getPrefix(), name.getLocalPart(), name.getNamespaceURI());
+
+ int namespaces = reader.getNamespaceCount();
+ for (int i = 0; i < namespaces; i++) {
+ String prefix = reader.getNamespacePrefix(i);
+ String ns = reader.getNamespaceURI(i);
+ writer.writeNamespace(prefix, ns);
+ }
+
+ if (!"".equals(name.getNamespaceURI())) {
+ writer.writeNamespace(name.getPrefix(), name.getNamespaceURI());
+ }
+
+ // add the attributes for this element
+ namespaces = reader.getAttributeCount();
+ for (int i = 0; i < namespaces; i++) {
+ String ns = reader.getAttributeNamespace(i);
+ String prefix = reader.getAttributePrefix(i);
+ String qname = reader.getAttributeLocalName(i);
+ String value = reader.getAttributeValue(i);
+
+ writer.writeAttribute(prefix, ns, qname, value);
+ }
+
+ break;
+ case XMLStreamConstants.CDATA:
+ writer.writeCData(reader.getText());
+ break;
+ case XMLStreamConstants.CHARACTERS:
+ writer.writeCharacters(reader.getText());
+ break;
+ case XMLStreamConstants.END_ELEMENT:
+ writer.writeEndElement();
+ break;
+ }
+ }
+ }
+}
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