Java tutorial
/* * 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.ode.il.epr; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.ode.utils.DOMUtils; import org.apache.ode.utils.Namespaces; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import javax.xml.namespace.QName; import java.util.HashMap; import java.util.Map; /** * A service endpoint represented as a WS-Addressing EndpointReference. */ public class WSAEndpoint implements MutableEndpoint { private static final Log __log = LogFactory.getLog(WSAEndpoint.class); private Element _eprElmt; public WSAEndpoint() { } // prototype constructor public WSAEndpoint(WSAEndpoint prototype) { _eprElmt = (Element) DOMUtils.newDocument().importNode(prototype._eprElmt, true); } public WSAEndpoint(Map map) { this(); fromMap(map); } public String getSessionId() { NodeList idNodes = _eprElmt.getElementsByTagNameNS(Namespaces.ODE_SESSION_NS, "session"); if (idNodes.getLength() > 0) { return idNodes.item(0).getTextContent(); } else { // perhaps there is an intalio header? idNodes = _eprElmt.getElementsByTagNameNS(Namespaces.INTALIO_SESSION_NS, "session"); if (idNodes.getLength() > 0) { return idNodes.item(0).getTextContent(); } } return null; } public void setSessionId(String sessionId) { NodeList idList = _eprElmt.getElementsByTagNameNS(Namespaces.ODE_SESSION_NS, "session"); if (idList.getLength() > 0) idList.item(0).setTextContent(sessionId); else { Element sessElmt = _eprElmt.getOwnerDocument().createElementNS(Namespaces.ODE_SESSION_NS, "session"); sessElmt.setTextContent(sessionId); _eprElmt.appendChild(sessElmt); } } public String getUrl() { return _eprElmt.getElementsByTagNameNS(Namespaces.WS_ADDRESSING_NS, "Address").item(0).getTextContent(); } public void setUrl(String url) { NodeList addrList = _eprElmt.getElementsByTagNameNS(Namespaces.WS_ADDRESSING_NS, "Address"); if (addrList.getLength() > 0) addrList.item(0).setTextContent(url); else { Element addrElmt = _eprElmt.getOwnerDocument().createElementNS(Namespaces.WS_ADDRESSING_NS, "Address"); addrElmt.setTextContent(url); _eprElmt.appendChild(addrElmt); } } public QName getServiceName() { NodeList metadataList = _eprElmt.getElementsByTagNameNS(Namespaces.WS_ADDRESSING_NS, "Metadata"); if (metadataList.getLength() > 0) { Element metadata = (Element) metadataList.item(0); Element service = DOMUtils.getFirstChildElement(metadata); String serviceTextQName = service.getTextContent(); int twoDotsIdx = serviceTextQName.indexOf(":"); String prefix = serviceTextQName.substring(0, twoDotsIdx); String serviceNS = _eprElmt.getOwnerDocument().lookupNamespaceURI(prefix); // Lookup failed, checking directly on our element if (serviceNS == null) { serviceNS = service.getAttribute("xmlns:" + prefix); } if (serviceNS == null) __log.warn("Couldn't find an appropriate namespace for service!"); QName result = new QName(serviceNS, serviceTextQName.substring(twoDotsIdx + 1, serviceTextQName.length())); if (__log.isDebugEnabled()) __log.debug("Got service name from WSAEndpoint: " + result); return result; } return null; } public String getPortName() { NodeList metadataList = _eprElmt.getElementsByTagNameNS(Namespaces.WS_ADDRESSING_NS, "Metadata"); if (metadataList.getLength() > 0) { Element metadata = (Element) metadataList.item(0); Element service = DOMUtils.getFirstChildElement(metadata); return service.getAttribute("EndpointName"); } return null; } public boolean accept(Node node) { if (node == null) { return false; } if (node.getNodeType() == Node.ELEMENT_NODE) { Element elmt = (Element) node; if (elmt.getLocalName().equals(SERVICE_REF_QNAME.getLocalPart()) && elmt.getNamespaceURI().equals(SERVICE_REF_QNAME.getNamespaceURI())) elmt = DOMUtils.getFirstChildElement(elmt); if (elmt != null && elmt.getLocalName().equals("EndpointReference") && elmt.getNamespaceURI().equals(Namespaces.WS_ADDRESSING_NS)) return true; } return false; } public void set(Node node) { if (node.getNamespaceURI().equals(SERVICE_REF_QNAME.getNamespaceURI())) _eprElmt = DOMUtils.getFirstChildElement((Element) node); else _eprElmt = (Element) node; if (__log.isDebugEnabled()) __log.debug("Setting a WSAEndpoint value: " + DOMUtils.domToString(_eprElmt)); } public Document toXML() { // Wrapping Document doc = DOMUtils.newDocument(); Element serviceRef = doc.createElementNS(SERVICE_REF_QNAME.getNamespaceURI(), SERVICE_REF_QNAME.getLocalPart()); doc.appendChild(serviceRef); serviceRef.appendChild(doc.importNode(_eprElmt, true)); return _eprElmt.getOwnerDocument(); } public Map toMap() { HashMap<String, Object> result = new HashMap<String, Object>(); result.put(ADDRESS, getUrl()); String sid = getSessionId(); if (sid != null) result.put(SESSION, sid); NodeList metadataList = _eprElmt.getElementsByTagNameNS(Namespaces.WS_ADDRESSING_NS, "Metadata"); if (metadataList.getLength() > 0) { Element metadata = (Element) metadataList.item(0); Element service = DOMUtils.getFirstChildElement(metadata); String serviceTextQName = service.getTextContent(); int twoDotsIdx = serviceTextQName.indexOf(":"); String prefix = serviceTextQName.substring(0, twoDotsIdx); String serviceNS = null; try { serviceNS = _eprElmt.getOwnerDocument().lookupNamespaceURI(prefix); } catch (Exception e) { e.printStackTrace(); } // Lookup failed, checking directly on our element if (serviceNS == null) { serviceNS = service.getAttribute("xmlns:" + prefix); } result.put(SERVICE_QNAME, new QName(serviceNS, serviceTextQName.substring(twoDotsIdx + 1, serviceTextQName.length()))); result.put(PORT_NAME, service.getAttribute("EndpointName")); if (__log.isDebugEnabled()) { __log.debug("Filled transfo map with service: " + result.get(SERVICE_QNAME)); __log.debug("Filled transfo map with port: " + result.get(PORT_NAME)); } } return result; } public void fromMap(Map eprMap) { Document doc = DOMUtils.newDocument(); Element serviceRef = doc.createElementNS(SERVICE_REF_QNAME.getNamespaceURI(), SERVICE_REF_QNAME.getLocalPart()); doc.appendChild(serviceRef); _eprElmt = doc.createElementNS(Namespaces.WS_ADDRESSING_NS, "EndpointReference"); serviceRef.appendChild(_eprElmt); Element addrElmt = doc.createElementNS(Namespaces.WS_ADDRESSING_NS, "Address"); addrElmt.setTextContent((String) eprMap.get(ADDRESS)); if (eprMap.get(SESSION) != null) { Element sessElmt = doc.createElementNS(Namespaces.ODE_SESSION_NS, "session"); sessElmt.setTextContent((String) eprMap.get(SESSION)); _eprElmt.appendChild(sessElmt); } if (eprMap.get(SERVICE_QNAME) != null) { Element metadataElmt = doc.createElementNS(Namespaces.WS_ADDRESSING_NS, "Metadata"); _eprElmt.appendChild(metadataElmt); Element serviceElmt = doc.createElementNS(Namespaces.WS_ADDRESSING_WSDL_NS, "ServiceName"); metadataElmt.appendChild(serviceElmt); QName serviceQName = (QName) eprMap.get(SERVICE_QNAME); serviceElmt.setAttribute("xmlns:servicens", serviceQName.getNamespaceURI()); serviceElmt.setTextContent("servicens:" + serviceQName.getLocalPart()); serviceElmt.setAttribute("EndpointName", (String) eprMap.get(PORT_NAME)); } _eprElmt.appendChild(addrElmt); if (__log.isDebugEnabled()) __log.debug("Constructed a new WSAEndpoint: " + DOMUtils.domToString(_eprElmt)); } }