com.sun.xml.ws.transport.httpspi.servlet.WSServletDelegate Maven / Gradle / Ivy
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package com.sun.xml.ws.transport.httpspi.servlet;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.xml.ws.Binding;
import javax.xml.ws.WebServiceException;
import javax.xml.ws.http.HTTPBinding;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Called by {@link WSSPIServlet} to choose {@link EndpointAdapter}
* and sends a request to it.
*
*
* One instance of this object is created, and then shared across
* {@link WSSPIServlet} instances (the container might deploy many of them,
* depending on how the user writes {@code web.xml}.)
*
* @author Jitendra Kotamraju
*/
public class WSServletDelegate {
/**
* All {@link EndpointAdapter}s that are deployed in the current web application.
*/
public final List adapters;
private final Map fixedUrlPatternEndpoints = new HashMap();
private final List pathUrlPatternEndpoints = new ArrayList();
public WSServletDelegate(List adapters, ServletContext context) {
this.adapters = adapters;
for(EndpointAdapter info : adapters) {
registerEndpointUrlPattern(info);
}
if (logger.isLoggable(Level.INFO)) {
logger.log(Level.INFO, "Initializing Servlet for {0}", fixedUrlPatternEndpoints);
}
}
public void destroy() {
if (logger.isLoggable(Level.INFO)) {
logger.log(Level.INFO, "Destroying Servlet for {0}", fixedUrlPatternEndpoints);
}
for(EndpointAdapter a : adapters) {
try {
a.dispose();
} catch(Throwable e) {
logger.log(Level.SEVERE, e.getMessage(), e);
}
}
}
public void doGet(HttpServletRequest request, HttpServletResponse response, ServletContext context) {
try {
EndpointAdapter target = getTarget(request);
if (target != null) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Got request for endpoint {0}", target.getUrlPattern());
}
target.handle(context, request, response);
} else {
writeNotFoundErrorPage(response, "Invalid Request");
}
} catch (WebServiceException e) {
logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
} catch (Throwable e) {
logger.log(Level.SEVERE, "caught throwable", e);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
/**
* processes web service requests by finding the {@link EndpointAdapter}
* created by the {@link WSSPIContextListener}
*
* @param request the HTTP request object
* @param response the HTTP response object
* @param context servlet context
*/
public void doPost(HttpServletRequest request, HttpServletResponse response, ServletContext context) {
doGet(request, response,context);
}
/**
* Handles HTTP PUT for XML/HTTP binding based endpoints
*
* @param request the HTTP request object
* @param response the HTTP response object
* @param context servlet context
*/
public void doPut(HttpServletRequest request, HttpServletResponse response, ServletContext context) {
// TODO: unify this into doGet.
try {
EndpointAdapter target = getTarget(request);
if (target != null) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Got request for endpoint {0}", target.getUrlPattern());
}
} else {
writeNotFoundErrorPage(response, "Invalid request");
return;
}
Binding binding = target.getEndpoint().getBinding();
if (binding instanceof HTTPBinding) {
target.handle(context, request, response);
} else {
response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
}
} catch (WebServiceException e) {
logger.log(Level.SEVERE, e.getLocalizedMessage(), e);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
} catch (Throwable e) {
logger.log(Level.SEVERE, "caught throwable", e);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
}
/**
* Handles HTTP DELETE for XML/HTTP binding based endpoints
*
* @param request the HTTP request object
* @param response the HTTP response object
* @param context servlet context
*/
public void doDelete(HttpServletRequest request, HttpServletResponse response, ServletContext context) {
// At preseent, there is no difference for between PUT and DELETE processing
doPut(request, response, context);
}
private void writeNotFoundErrorPage(
HttpServletResponse response,
String message)
throws IOException {
response.setStatus(HttpServletResponse.SC_NOT_FOUND);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("Web Services");
out.println(" ");
out.println("");
out.println("Not found "+message);
out.println("");
out.println("");
}
private void registerEndpointUrlPattern(EndpointAdapter a) {
String urlPattern = a.getUrlPattern();
if (urlPattern.indexOf("*.") != -1) {
// cannot deal with implicit mapping right now
logger.log(Level.WARNING, "Ignoring implicit url-pattern {0}", urlPattern);
} else if (urlPattern.endsWith("/*")) {
pathUrlPatternEndpoints.add(a);
} else {
if (fixedUrlPatternEndpoints.containsKey(urlPattern)) {
logger.log(Level.WARNING, "Ignoring duplicate url-pattern {0}", urlPattern);
} else {
fixedUrlPatternEndpoints.put(urlPattern, a);
}
}
}
/**
* Determines which {@link EndpointAdapter} serves the given request.
*
* @param request the HTTP request object
*/
protected EndpointAdapter getTarget(HttpServletRequest request) {
String path =
request.getRequestURI().substring(
request.getContextPath().length());
EndpointAdapter result = fixedUrlPatternEndpoints.get(path);
if (result == null) {
for (EndpointAdapter candidate : pathUrlPatternEndpoints) {
String noSlashStar = candidate.getValidPath();
if (path.equals(noSlashStar) || path.startsWith(noSlashStar+"/") || path.startsWith(noSlashStar+"?")) {
result = candidate;
break;
}
}
}
return result;
}
private static final Logger logger =
Logger.getLogger(WSServletDelegate.class.getName());
}