/*
* 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;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.stream.FactoryConfigurationError;
import javax.xml.stream.XMLOutputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import org.apache.axiom.attachments.utils.IOUtils;
import org.apache.axis2.Constants;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.deployment.DeploymentConstants;
import org.apache.axis2.description.AxisDescription;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.PolicyInclude;
import org.apache.axis2.transport.http.ListingAgent;
import org.apache.axis2.util.ExternalPolicySerializer;
import org.apache.axis2.util.JavaUtils;
import org.apache.neethi.Policy;
import org.apache.neethi.PolicyRegistry;
import org.apache.ws.commons.schema.XmlSchema;
/**
* A Tuscany specific Axis2 ListingAgent as the Axis2 one does not work
* with the Tuscany sevice names which include slash ('/') characters.
* Unfortunately it ends up having to copy a fair amount of Axis2 code to do this.
*/
public class TuscanyListingAgent extends ListingAgent {
private static final String LIST_SINGLE_SERVICE_JSP_NAME =
"listSingleService.jsp";
public TuscanyListingAgent(ConfigurationContext aConfigContext) {
super(aConfigContext);
}
protected String findAxisServiceName(String path) {
HashMap services = configContext.getAxisConfiguration().getServices();
if (services == null) {
return null;
}
String[] parts = JavaUtils.split(path, '/');
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;
}
@Override
public void processListService(HttpServletRequest req,
HttpServletResponse res)
throws IOException, ServletException {
String filePart = req.getRequestURL().toString();
// String serviceName = filePart.substring(filePart.lastIndexOf("/") + 1,
// filePart.length());
// Change the Axis2 code so as to use the complete ServletPath as the service name
// this line is the only change to to Axis2 code
String serviceName = findAxisServiceName(filePart);
setContextRoot(filePart, serviceName);
String query = req.getQueryString();
int wsdl2 = query.indexOf("wsdl2");
int wsdl = query.indexOf("wsdl");
int xsd = query.indexOf("xsd");
int policy = query.indexOf("policy");
HashMap services = configContext.getAxisConfiguration().getServices();
if ((services != null) && !services.isEmpty()) {
Object serviceObj = services.get(serviceName);
if (serviceObj != null) {
boolean isHttp = "http".equals(req.getScheme());
if (wsdl2 >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
String ip = extractHostAndPort(filePart, isHttp);
((AxisService) serviceObj)
.printWSDL2(out, ip, configContext.getServiceContextPath());
out.flush();
out.close();
return;
} else if (wsdl >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
String ip = extractHostAndPort(filePart, isHttp);
((AxisService) serviceObj).printWSDL(out, ip, configContext.getServicePath());
out.flush();
out.close();
return;
} else if (xsd >= 0) {
OutputStream out = res.getOutputStream();
res.setContentType("text/xml");
AxisService axisService = (AxisService) serviceObj;
//call the populator
axisService.populateSchemaMappings();
Map schemaMappingtable =
axisService.getSchemaMappingTable();
ArrayList schemas = axisService.getSchema();
//a name is present - try to pump the requested schema
String xsds = req.getParameter("xsd");
if (!"".equals(xsds)) {
XmlSchema schema =
(XmlSchema) schemaMappingtable.get(xsds);
if (schema != null) {
//schema is there - pump it outs
schema.write(new OutputStreamWriter(out, "UTF8"));
out.flush();
out.close();
} else {
InputStream in = axisService.getClassLoader()
.getResourceAsStream(DeploymentConstants.META_INF + "/" + xsds);
if (in != null) {
out.write(IOUtils.getStreamAsByteArray(in));
out.flush();
out.close();
} else {
res.sendError(HttpServletResponse.SC_NOT_FOUND);
}
}
//multiple schemas are present and the user specified
//no name - in this case we cannot possibly pump a schema
//so redirect to the service root
} else if (schemas.size() > 1) {
res.sendRedirect("");
//user specified no name and there is only one schema
//so pump that out
} else {
XmlSchema schema = axisService.getSchema(0);
if (schema != null) {
schema.write(new OutputStreamWriter(out, "UTF8"));
out.flush();
out.close();
}
}
return;
} else if (policy >= 0) {
OutputStream out = res.getOutputStream();
ExternalPolicySerializer serializer = new ExternalPolicySerializer();
serializer.setAssertionsToFilter(configContext
.getAxisConfiguration().getLocalPolicyAssertions());
// check whether Id is set
String idParam = req.getParameter("id");
if (idParam != null) {
// Id is set
Policy targetPolicy = findPolicy(idParam, (AxisService) serviceObj);
if (targetPolicy != null) {
XMLStreamWriter writer;
try {
writer = XMLOutputFactory.newInstance()
.createXMLStreamWriter(out);
res.setContentType("text/xml");
targetPolicy.serialize(writer);
writer.flush();
} catch (XMLStreamException e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
} catch (FactoryConfigurationError e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
}
} else {
res.setContentType("text/html");
String outStr = "<b>No policy found for id="
+ idParam + "</b>";
out.write(outStr.getBytes());
}
} else {
PolicyInclude policyInclude = ((AxisService) serviceObj).getPolicyInclude();
Policy effecPolicy = policyInclude.getEffectivePolicy();
if (effecPolicy != null) {
XMLStreamWriter writer;
try {
writer = XMLOutputFactory.newInstance()
.createXMLStreamWriter(out);
res.setContentType("text/xml");
effecPolicy.serialize(writer);
writer.flush();
} catch (XMLStreamException e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
} catch (FactoryConfigurationError e) {
throw new ServletException(
"Error occured when serializing the Policy",
e);
}
} else {
res.setContentType("text/html");
String outStr = "<b>No effective policy for "
+ serviceName + " servcie</b>";
out.write(outStr.getBytes());
}
}
return;
} else {
req.getSession().setAttribute(Constants.SINGLE_SERVICE,
serviceObj);
}
} else {
req.getSession().setAttribute(Constants.SINGLE_SERVICE, null);
}
}
renderView(LIST_SINGLE_SERVICE_JSP_NAME, req, res);
}
/**
* 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("_null_");
} else {
int i = filePart.indexOf(contextRoot) + contextRoot.length();
int j = filePart.lastIndexOf(serviceName);
String mapping = filePart.substring(i+1, j);
configContext.setServicePath(mapping);
}
configContext.setContextRoot(contextRoot);
}
}
private String extractHostAndPort(String filePart, boolean isHttp) {
int ipindex = filePart.indexOf("//");
String ip = null;
if (ipindex >= 0) {
ip = filePart.substring(ipindex + 2, filePart.length());
int seperatorIndex = ip.indexOf(":");
int slashIndex = ip.indexOf("/");
String port;
if (seperatorIndex >= 0) {
port = ip.substring(seperatorIndex + 1, slashIndex);
ip = ip.substring(0, seperatorIndex);
} else {
ip = ip.substring(0, slashIndex);
port = "80";
}
if (isHttp) {
configContext.setProperty(RUNNING_PORT, port);
}
}
return ip;
}
private Policy findPolicy(String id, AxisDescription des) {
List policyElements = des.getPolicyInclude().getPolicyElements();
PolicyRegistry registry = des.getPolicyInclude().getPolicyRegistry();
Object policyComponent;
Policy policy = registry.lookup(id);
if (policy != null) {
return policy;
}
for (Iterator iterator = policyElements.iterator(); iterator.hasNext();) {
policyComponent = iterator.next();
if (policyComponent instanceof Policy) {
// policy found for the id
if (id.equals(((Policy) policyComponent).getId())) {
return (Policy) policyComponent;
}
}
}
AxisDescription child;
for (Iterator iterator = des.getChildren(); iterator.hasNext();) {
child = (AxisDescription) iterator.next();
policy = findPolicy(id, child);
if (policy != null) {
return policy;
}
}
return null;
}
}