/* * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package sun.net.www.protocol.http;import java.io.IOException;import java.lang.reflect.Constructor;import sun.util.logging.PlatformLogger;/** * This abstract class is a bridge to connect NegotiteAuthentication and * NegotiatorImpl, so that JAAS and JGSS calls can be made */public abstract class Negotiator { static Negotiator getNegotiator(HttpCallerInfo hci) { // These lines are equivalent to // return new NegotiatorImpl(hci); // The current implementation will make sure NegotiatorImpl is not // directly referenced when compiling, thus smooth the way of building // the J2SE platform where HttpURLConnection is a bootstrap class. // // Makes NegotiatorImpl, and the security classes it references, a // runtime dependency rather than a static one. Class clazz; Constructor c; try { clazz = Class.forName("sun.net.www.protocol.http.spnego.NegotiatorImpl", true, null); c = clazz.getConstructor(HttpCallerInfo.class); } catch (ClassNotFoundException cnfe) { finest(cnfe); return null; } catch (ReflectiveOperationException roe) { // if the class is there then something seriously wrong if // the constructor is not. throw new AssertionError(roe); } try { return (Negotiator) (c.newInstance(hci)); } catch (ReflectiveOperationException roe) { finest(roe); Throwable t = roe.getCause(); if (t != null && t instanceof Exception) finest((Exception)t); return null; } } public abstract byte[] firstToken() throws IOException; public abstract byte[] nextToken(byte[] in) throws IOException; private static void finest(Exception e) { PlatformLogger logger = HttpURLConnection.getHttpLogger(); logger.finest("NegotiateAuthentication: " + e); }}
/*
* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package sun.net.www.protocol.http;
import java.io.IOException;
import java.lang.reflect.Constructor;
import sun.util.logging.PlatformLogger;
/**
* This abstract class is a bridge to connect NegotiteAuthentication and
* NegotiatorImpl, so that JAAS and JGSS calls can be made
*/
public abstract class Negotiator {
static Negotiator getNegotiator(HttpCallerInfo hci) {
// These lines are equivalent to
// return new NegotiatorImpl(hci);
// The current implementation will make sure NegotiatorImpl is not
// directly referenced when compiling, thus smooth the way of building
// the J2SE platform where HttpURLConnection is a bootstrap class.
//
// Makes NegotiatorImpl, and the security classes it references, a
// runtime dependency rather than a static one.
Class clazz;
Constructor c;
try {
clazz = Class.forName("sun.net.www.protocol.http.spnego.NegotiatorImpl", true, null);
c = clazz.getConstructor(HttpCallerInfo.class);
} catch (ClassNotFoundException cnfe) {
finest(cnfe);
return null;
} catch (ReflectiveOperationException roe) {
// if the class is there then something seriously wrong if
// the constructor is not.
throw new AssertionError(roe);
}
try {
return (Negotiator) (c.newInstance(hci));
} catch (ReflectiveOperationException roe) {
finest(roe);
Throwable t = roe.getCause();
if (t != null && t instanceof Exception)
finest((Exception)t);
return null;
}
}
public abstract byte[] firstToken() throws IOException;
public abstract byte[] nextToken(byte[] in) throws IOException;
private static void finest(Exception e) {
PlatformLogger logger = HttpURLConnection.getHttpLogger();
logger.finest("NegotiateAuthentication: " + e);
}
}