com.sun.xml.ws.transport.http.servlet.ServletAdapter Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Distribution License v. 1.0, which is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
package com.sun.xml.ws.transport.http.servlet;
import com.sun.istack.NotNull;
import com.sun.xml.ws.api.ha.HighAvailabilityProvider;
import com.sun.xml.ws.api.ha.StickyFeature;
import com.sun.xml.ws.api.model.wsdl.WSDLPort;
import com.sun.xml.ws.api.server.BoundEndpoint;
import com.sun.xml.ws.api.server.Module;
import com.sun.xml.ws.api.server.WSEndpoint;
import com.sun.xml.ws.api.server.WebModule;
import com.sun.xml.ws.transport.http.HttpAdapter;
import com.sun.xml.ws.transport.http.WSHTTPConnection;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.namespace.QName;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.WebServiceFeature;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link HttpAdapter} for servlets.
*
*
* This is a thin wrapper around {@link HttpAdapter} with some description
* specified in the deployment (in particular those information are related
* to how a request is routed to a {@link ServletAdapter}.
*
*
* This class implements {@link BoundEndpoint} and represent the
* servlet-{@link WSEndpoint} association for {@link }
*
*/
public class ServletAdapter extends HttpAdapter implements BoundEndpoint {
final String name;
@SuppressWarnings("unchecked")
protected ServletAdapter(String name, String urlPattern, WSEndpoint endpoint, ServletAdapterList owner) {
super(endpoint, owner, urlPattern);
this.name = name;
// registers itself with the container
Module module = endpoint.getContainer().getSPI(Module.class);
if (module == null) {
LOGGER.log(Level.WARNING, "Container {0} doesn''t support {1}", new Object[]{endpoint.getContainer(), Module.class});
} else {
module.getBoundEndpoints().add(this);
}
boolean sticky = false;
if (HighAvailabilityProvider.INSTANCE.isHaEnvironmentConfigured()) {
WebServiceFeature[] features = endpoint.getBinding().getFeatures().toArray();
for(WebServiceFeature f : features) {
if (f instanceof StickyFeature) {
sticky = true;
break;
}
}
disableJreplicaCookie = HighAvailabilityProvider.INSTANCE.isDisabledJreplica();
}
stickyCookie = sticky;
}
public ServletContext getServletContext() {
return ((ServletAdapterList)owner).getServletContext();
}
/**
* Gets the name of the endpoint as given in the sun-jaxws.xml
* deployment descriptor.
*/
public String getName() {
return name;
}
@NotNull
@Override
public URI getAddress() {
WebModule webModule = endpoint.getContainer().getSPI(WebModule.class);
if(webModule==null) {
throw new WebServiceException("Container "+endpoint.getContainer()+" doesn't support "+WebModule.class);
}
return getAddress(webModule.getContextPath());
}
@Override
@NotNull
public URI getAddress(String baseAddress) {
String adrs = baseAddress+getValidPath();
try {
return new URI(adrs);
} catch (URISyntaxException e) {
// this is really a bug in the container implementation
throw new WebServiceException("Unable to compute address for "+endpoint,e);
}
}
/**
* Convenient method to return a port name from {@link WSEndpoint}.
*
* @return
* null if {@link WSEndpoint} isn't tied to any paritcular port.
*/
public QName getPortName() {
WSDLPort port = getEndpoint().getPort();
if (port == null) {
return null;
} else {
return port.getName();
}
}
/**
* Version of {@link #handle(WSHTTPConnection)}
* that takes convenient parameters for servlet.
*
* @param context Servlet Context
* @param request Servlet Request
* @param response Servlet Response
* @throws IOException when there is i/o error in handling request
*/
public void handle(ServletContext context, HttpServletRequest request, HttpServletResponse response) throws IOException {
super.handle(createConnection(context, request, response));
}
protected WSHTTPConnection createConnection(ServletContext context, HttpServletRequest request, HttpServletResponse response) {
return new ServletConnectionImpl(this,context,request,response);
}
/**
* Version of {@link #handle(WSHTTPConnection)} that takes convenient parameters for servlet.
*
* Based on the async capabilities of the request and the application processing it, the method may run in asynchronous mode.
* When run in async mode, this method returns immediately. The response is delayed until the application is ready with the response or
* the corresponding asynchronous operation times out. The CompletionCallback is guaranteed to run after response is committed..
*
* @param context Servlet Context
* @param request Servlet Request
* @param response Servlet Response
* @param callback CompletionCallback
* @throws IOException when there is i/o error in handling request
*/
public void invokeAsync(ServletContext context, HttpServletRequest request, HttpServletResponse response, final CompletionCallback callback) throws IOException {
boolean asyncStarted = false;
try {
WSHTTPConnection connection = new ServletConnectionImpl(this, context, request, response);
if (handleGet(connection)) {
return;
}
boolean asyncRequest = false;
try {
asyncRequest = isServlet30Based && request.isAsyncSupported() && !request.isAsyncStarted();
} catch (Throwable t) {
//this happens when the loaded Servlet API is 3.0, but the impl is not, ending up as AbstractMethodError
LOGGER.log(Level.INFO, request.getClass().getName() + " does not support Async API, Continuing with synchronous processing", t);
//Continue with synchronous processing and don't repeat the check for processing further requests
isServlet30Based = false;
}
if (asyncRequest) {
final javax.servlet.AsyncContext asyncContext = request.startAsync(request, response);
final AsyncCompletionCheck completionCheck = new AsyncCompletionCheck();
new WSAsyncListener(connection, callback).addListenerTo(asyncContext,completionCheck);
//asyncContext.setTimeout(10000L);// TODO get it from @ or config file
super.invokeAsync(connection, new CompletionCallback() {
@Override
public void onCompletion() {
synchronized (completionCheck) {
if(!completionCheck.isCompleted()) {
asyncContext.complete();
completionCheck.markComplete();
}
}
}
});
asyncStarted = true;
} else {
super.handle(connection);
}
} finally {
if (!asyncStarted) {
callback.onCompletion();
}
}
}
/**
* Synchronizes the CompletionHandler action and Container's timeout action.
*/
static class AsyncCompletionCheck {
boolean completed = false;
synchronized void markComplete() {
completed = true;
}
synchronized boolean isCompleted() {
return completed;
}
}
/**
* @param context Servlet Context
* @param request Servlet Request
* @param response Servlet Response
* @throws IOException when there is i/o error in handling request
*
* @deprecated
* Use {@link #handle(ServletContext, HttpServletRequest, HttpServletResponse)}
*/
public void publishWSDL(ServletContext context, HttpServletRequest request, HttpServletResponse response) throws IOException {
WSHTTPConnection connection = new ServletConnectionImpl(this,context,request,response);
super.handle(connection);
}
@Override
public String toString() {
return super.toString()+"[name="+name+']';
}
private static final Logger LOGGER = Logger.getLogger(ServletAdapter.class.getName());
private boolean isServlet30Based = ServletUtil.isServlet30Based();
}