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/*
* 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.tomcat.util.net;
import java.net.Socket;
import javax.net.ssl.SSLSession;
/* SSLImplementation:
Abstract factory and base class for all SSL implementations.
@author EKR
*/
abstract public class SSLImplementation {
private static org.apache.juli.logging.Log logger =
org.apache.juli.logging.LogFactory.getLog(SSLImplementation.class);
// The default implementations in our search path
private static final String JSSEImplementationClass=
"org.apache.tomcat.util.net.jsse.JSSEImplementation";
private static final String[] implementations=
{
JSSEImplementationClass
};
public static SSLImplementation getInstance() throws ClassNotFoundException
{
for(int i=0;i<implementations.length;i++){
try {
SSLImplementation impl=
getInstance(implementations[i]);
return impl;
} catch (Exception e) {
if(logger.isTraceEnabled())
logger.trace("Error creating " + implementations[i],e);
}
}
// If we can't instantiate any of these
throw new ClassNotFoundException("Can't find any SSL implementation");
}
public static SSLImplementation getInstance(String className)
throws ClassNotFoundException
{
if(className==null) return getInstance();
try {
// Workaround for the J2SE 1.4.x classloading problem (under Solaris).
// Class.forName(..) fails without creating class using new.
// This is an ugly workaround.
if( JSSEImplementationClass.equals(className) ) {
return new org.apache.tomcat.util.net.jsse.JSSEImplementation();
}
Class<?> clazz=Class.forName(className);
return (SSLImplementation)clazz.newInstance();
} catch (Exception e){
if(logger.isDebugEnabled())
logger.debug("Error loading SSL Implementation "
+className, e);
throw new ClassNotFoundException("Error loading SSL Implementation "
+className+ " :" +e.toString());
}
}
abstract public String getImplementationName();
abstract public ServerSocketFactory getServerSocketFactory();
abstract public ServerSocketFactory getServerSocketFactory(String sslProtocol);
abstract public SSLSupport getSSLSupport(Socket sock);
/**
* @deprecated This method has been deprecated since it adds a JSSE
* dependency to this interface. It will be removed in versions
* after 6.0.x.
*/
@Deprecated
abstract public SSLSupport getSSLSupport(SSLSession session);
}
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