diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-2.x/branches/2.0-Beta3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/BPELExtensionHandler.java | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/sca-java-2.x/branches/2.0-Beta3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/BPELExtensionHandler.java b/sca-java-2.x/branches/2.0-Beta3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/BPELExtensionHandler.java new file mode 100644 index 0000000000..6007989321 --- /dev/null +++ b/sca-java-2.x/branches/2.0-Beta3/modules/interface-wsdl/src/main/java/org/apache/tuscany/sca/interfacedef/wsdl/xml/BPELExtensionHandler.java @@ -0,0 +1,142 @@ +/* + * 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.interfacedef.wsdl.xml; + +import java.io.PrintWriter; + +import javax.wsdl.Definition; +import javax.wsdl.WSDLException; +import javax.wsdl.extensions.ExtensibilityElement; +import javax.wsdl.extensions.ExtensionDeserializer; +import javax.wsdl.extensions.ExtensionRegistry; +import javax.wsdl.extensions.ExtensionSerializer; +import javax.xml.namespace.QName; + +import org.apache.tuscany.sca.interfacedef.wsdl.BPELPartnerLinkTypeExt; +import org.w3c.dom.Element; +import org.w3c.dom.NodeList; + +/** + * A WSDL extension processor for extension elements introduced by BPEL - in particular + * the <partnerLinkType.../> elements + * + * Handles both BPEL 1.1 and BPEL 2.0 version of the <partnerLinkType/> + * @version $Rev$ $Date$ + */ +public class BPELExtensionHandler implements ExtensionSerializer, ExtensionDeserializer { + + private final String localName = "partnerLinkType"; + private final String roleName = "role"; + + /** + * Marshals the BPEL partner link type extension element to XML + * See (@link javax.wsdl.extensions.ExtensionSerializer) + */ + @SuppressWarnings("unchecked") + public void marshall(Class parentType, QName elementType, ExtensibilityElement theElement, + PrintWriter writer, Definition def, ExtensionRegistry extReg) + throws WSDLException { + // The format of the Partner Link Type in XML is as follows: + // <foo:partnerLinkType name="bar"> + // <foo:role name="somename" portType="xyz:portTypeName"/> + // <foo:role name="othername" portType="xyz:portTypeName2"/> + // <foo:partnerLinkType> + BPELPartnerLinkTypeExt thePLinkType = (BPELPartnerLinkTypeExt) theElement; + QName theType = thePLinkType.getElementType(); + + writer.println("<" + theType.toString() + + " name=\"" + thePLinkType.getName() + "\">"); + for( int i = 0; i < 2; i++ ) { + if( thePLinkType.getRoleName( i ) != null ) { + writer.println( "<" + theType.getPrefix() + ":role" + + " name=\"" + thePLinkType.getRoleName(i) + "\" portType=\"" + + thePLinkType.getRolePortType(i) + "\">"); + } // end if + } // end for + writer.println("</" + theType.toString() + ">"); + } // end marshall + + /** + * Unmarshals the BPEL partner link type element from XML + * See (@link javax.wsdl.extensions.ExtensionDeserializer) + * The format of the Partner Link Type in XML is as follows: + * <foo:partnerLinkType name="bar"> + * <foo:role name="somename" portType="xyz:portTypeName"/> + * <foo:role name="othername" portType="xyz:portTypeName2"/> + * <foo:partnerLinkType> + * + * One role is mandatory, the second is optional. + */ + @SuppressWarnings("unchecked") + public ExtensibilityElement unmarshall(Class theClass, QName elementType, + Element theElement, Definition def, ExtensionRegistry extReg) + throws WSDLException { + + // Check that this elementType really is a partnerLinkType element + if( !elementType.getLocalPart().equals(localName) ) return null; + BPELPartnerLinkTypeExt theExtension = new BPELPartnerLinkTypeExt(); + theExtension.setElementType(elementType); + theExtension.setName( theElement.getAttribute("name") ); + + // Fetch the child "role" elements + NodeList theRoles = theElement.getElementsByTagNameNS("*", roleName); + for ( int i=0; i < theRoles.getLength(); i++ ) { + if( i > 1 ) break; + Element roleNode = (Element)theRoles.item(i); + String roleName = roleNode.getAttribute("name"); + String portType = roleNode.getAttribute("portType"); + if (portType == null || portType.length() == 0) { + // Fetch the child "portType" element + NodeList portTypesNodes = roleNode.getElementsByTagNameNS("*", "portType"); + for (int p = 0; p < portTypesNodes.getLength(); p++) { + Element portTypeNode = (Element)portTypesNodes.item(p); + portType = portTypeNode.getAttribute("name"); + break; + } + } + // The PortType attribute is a QName in prefix:localName format - convert to a QName + QName rolePortType = getQNameValue( def, portType ); + theExtension.setRole( i, roleName, rolePortType ); + } // end for + return theExtension; + } // end unmarshall + + + /** + * Returns a QName from a string. + * @param definition - a WSDL Definition + * @param value - the String from which to form the QName in the form "pref:localName" + * @return + */ + protected QName getQNameValue(Definition definition, String value) { + if (value != null && definition != null) { + int index = value.indexOf(':'); + String prefix = index == -1 ? "" : value.substring(0, index); + String localName = index == -1 ? value : value.substring(index + 1); + String ns = definition.getNamespace(prefix); + if (ns == null) { + ns = ""; + } + return new QName(ns, localName, prefix); + } else { + return null; + } + } // end getQNameValue + +} // end BPELExtensionHandler |