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package com.sun.xml.ws.transport.http.server;
import com.sun.istack.NotNull;
import com.sun.istack.Nullable;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.xml.ws.resources.HttpserverMessages;
import com.sun.xml.ws.transport.http.HttpAdapter;
import com.sun.xml.ws.transport.http.WSHTTPConnection;
import java.io.IOException;
import java.util.concurrent.Executor;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* {@link HttpHandler} implementation that serves the actual request.
*
* @author Jitendra Kotamraju
* @author Kohsuke Kawaguhi
*/
final class WSHttpHandler implements HttpHandler {
private static final String GET_METHOD = "GET";
private static final String POST_METHOD = "POST";
private static final String HEAD_METHOD = "HEAD";
private static final String PUT_METHOD = "PUT";
private static final String DELETE_METHOD = "DELETE";
private static final Logger LOGGER =
Logger.getLogger(
com.sun.xml.ws.util.Constants.LoggingDomain + ".server.http");
private static final boolean fineTraceEnabled = LOGGER.isLoggable(Level.FINE);
private final HttpAdapter adapter;
private final Executor executor;
public WSHttpHandler(@NotNull HttpAdapter adapter, @Nullable Executor executor) {
assert adapter!=null;
this.adapter = adapter;
this.executor = executor;
}
/**
* Called by HttpServer when there is a matching request for the context
*/
public void handle(HttpExchange msg) {
try {
if (fineTraceEnabled) {
LOGGER.log(Level.FINE, "Received HTTP request:{0}", msg.getRequestURI());
}
if (executor != null) {
// Use application's Executor to handle request. Application may
// have set an executor using Endpoint.setExecutor().
executor.execute(new HttpHandlerRunnable(msg));
} else {
handleExchange(msg);
}
} catch(Throwable e) {
// Dont't propagate the exception otherwise it kills the httpserver
}
}
private void handleExchange(HttpExchange msg) throws IOException {
WSHTTPConnection con = new ServerConnectionImpl(adapter,msg);
try {
if (fineTraceEnabled) {
LOGGER.log(Level.FINE, "Received HTTP request:{0}", msg.getRequestURI());
}
String method = msg.getRequestMethod();
if(method.equals(GET_METHOD) || method.equals(POST_METHOD) || method.equals(HEAD_METHOD)
|| method.equals(PUT_METHOD) || method.equals(DELETE_METHOD)) {
adapter.handle(con);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.warning(HttpserverMessages.UNEXPECTED_HTTP_METHOD(method));
}
}
} finally {
msg.close();
}
}
/**
* Wrapping the processing of request in a Runnable so that it can be
* executed in Executor.
*/
class HttpHandlerRunnable implements Runnable {
final HttpExchange msg;
HttpHandlerRunnable(HttpExchange msg) {
this.msg = msg;
}
public void run() {
try {
handleExchange(msg);
} catch (Throwable e) {
// Does application's executor handle this exception ?
e.printStackTrace();
}
}
}
}