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/*
* 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.axis2.provider;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URI;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.wsdl.Definition;
import javax.wsdl.Port;
import javax.wsdl.Service;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.transport.http.ListingAgent;
import org.apache.ws.commons.schema.XmlSchema;
import org.apache.ws.commons.schema.XmlSchemaExternal;
/**
* A Tuscany specific Axis2 ListingAgent as the Axis2 one does not work
* with the Tuscany service names which include slash ('/') characters.
* Unfortunately it ends up having to copy a fair amount of Axis2 code to do this.
*
* @version $Rev$ $Date$
*/
public class TuscanyListingAgent extends ListingAgent {
private static final String LIST_SINGLE_SERVICE_JSP_NAME =
"listSingleService.jsp";
public TuscanyListingAgent(ConfigurationContext aConfigContext) {
super(aConfigContext);
}
/**
* This method overrides the Axis2 listing agent's computation of the
* service name.
*/
@Override
public String extractServiceName(String urlString) {
String serviceName = findAxisServiceName(urlString);
setContextRoot(urlString, serviceName);
return serviceName;
}
/**
* Override ?xsd processing so that WSDL documents with XSD imports
* and includes work correctly. When we move to Axis2 1.4, we may
* be able to use SchemaSupplier to do this in a cleaner way. Also
* ensure that the correct IP address and port are returned by ?wsdl.
*/
@Override
public void processListService(HttpServletRequest req,
HttpServletResponse res)
throws IOException, ServletException {
String url = req.getRequestURL().toString();
String query = req.getQueryString();
// for ?wsdl requests, need to update the WSDL with correct IPaddr and port
int wsdl = query.indexOf("wsdl");
if (wsdl >= 0) {
String serviceName = extractServiceName(url);
HashMap services = configContext.getAxisConfiguration().getServices();
if ((services != null) && !services.isEmpty()) {
AxisService axisService = (AxisService)services.get(serviceName);
Parameter wsld4jdefinition = axisService.getParameter("wsdl4jDefinition");
Definition definition = (Definition)wsld4jdefinition.getValue();
for (Object s : definition.getServices().values()) {
for (Object p : ((Service)s).getPorts().values()) {
String endpointURL = Axis2EngineIntegration.getPortAddress((Port)p);
String modifiedURL = setIPAddress(endpointURL, url);
modifiedURL = addContextRoot(modifiedURL, serviceName);
Axis2EngineIntegration.setPortAddress((Port)p, modifiedURL);
}
}
}
}
// handle ?xsd requests here
int xsd = query.indexOf("xsd");
if (xsd >= 0) {
String serviceName = extractServiceName(url);
HashMap services = configContext.getAxisConfiguration().getServices();
if ((services != null) && !services.isEmpty()) {
Object serviceObj = services.get(serviceName);
if (serviceObj != null) {
String xsds = req.getParameter("xsd");
if (xsds != null && !"".equals(xsds)) {
// a schema name (perhaps with path) is present
AxisService axisService = (AxisService)serviceObj;
ArrayList schemas = axisService.getSchema();
for (Object rootSchema : axisService.getSchema()) {
XmlSchema schema = getSchema(((XmlSchema)rootSchema), xsds);
if (schema != null) {
// found the schema
res.setContentType("text/xml");
OutputStream out = res.getOutputStream();
schema.write(new OutputStreamWriter(out, "UTF8"));
out.flush();
out.close();
return;
}
}
}
}
}
}
// in all other cases, delegate to the Axis2 code
super.processListService(req, res);
}
private String addContextRoot(String modifiedURL, String serviceName) {
if (!"/".equals(configContext.getContextRoot())) {
if (modifiedURL.endsWith(serviceName)) {
URI uri = URI.create(modifiedURL);
if (!uri.getPath().startsWith(configContext.getContextRoot())) {
modifiedURL = modifiedURL.substring(0, modifiedURL.length() - serviceName.length()) + configContext.getContextRoot() + serviceName;
}
}
}
return modifiedURL;
}
private XmlSchema getSchema(XmlSchema parentSchema, String name) {
for (Iterator iter = parentSchema.getIncludes().getIterator(); iter.hasNext();) {
Object obj = iter.next();
if (obj instanceof XmlSchemaExternal) {
XmlSchemaExternal extSchema = (XmlSchemaExternal)obj;
if (extSchema.getSchemaLocation().endsWith(name)) {
return extSchema.getSchema();
} else {
XmlSchema schema = getSchema(extSchema.getSchema(), name);
if (schema != null) {
return schema;
}
}
}
}
return null;
}
private String findAxisServiceName(String path) {
HashMap services = configContext.getAxisConfiguration().getServices();
if (services == null) {
return null;
}
String[] parts = path.split("/");
String serviceName = "";
for (int i=parts.length-1; i>=0; i--) {
serviceName = parts[i] + serviceName;
if (services.containsKey(serviceName)) {
return serviceName;
}
serviceName = "/" + serviceName;
if (services.containsKey(serviceName)) {
return serviceName;
}
}
return null;
}
/**
* Hack for Tuscany to get ?wsdl working with Tuscany service names
* Can go once moved up to Axis2 1.3
*/
private void setContextRoot(String filePart, String serviceName) {
String contextRoot = configContext.getContextRoot();
if (contextRoot != null && contextRoot.length() > 0) {
if (contextRoot.equals("/")) {
configContext.setServicePath("/");
} else {
int i = filePart.indexOf(contextRoot) + contextRoot.length();
int j = filePart.lastIndexOf(serviceName);
if (i>=j || (i+1 == j)) {
configContext.setServicePath("/");
} else {
String mapping = filePart.substring(i+1, j);
configContext.setServicePath(mapping);
}
}
configContext.setContextRoot(contextRoot);
}
}
private static String setIPAddress(String wsdlURI, String requestURI) {
try {
URI wsdlURIObj = new URI(wsdlURI);
String wsdlHost = wsdlURIObj.getHost();
int wsdlPort = wsdlURIObj.getPort();
String wsdlAddr = wsdlHost + (wsdlPort != -1 ? ":" + Integer.toString(wsdlPort) : "");
URI requestURIObj = new URI(requestURI);
// not in Axis2 1.5.1
// String ipAddr = HttpUtils.getIpAddress();
// int requestPort = requestURIObj.getPort();
// String newAddr = ipAddr + (requestPort != -1 ? ":" + Integer.toString(requestPort) : "");
// return wsdlURI.replace(wsdlAddr, newAddr);
return wsdlURI;
} catch (Exception e) {
// URI string not in expected format, so return the WSDL URI unmodified
return wsdlURI;
}
}
}
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