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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
*/
public abstract class SSLImplementation {
private static final 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());
}
}
public abstract String getImplementationName();
public abstract ServerSocketFactory getServerSocketFactory(
AbstractEndpoint<?> endpoint);
public abstract SSLSupport getSSLSupport(Socket sock);
public abstract SSLSupport getSSLSupport(SSLSession session);
public abstract SSLUtil getSSLUtil(AbstractEndpoint<?> ep);
}
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