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Tomcat example source code file (

This example Tomcat source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Tomcat tags/keywords

classnotfoundexception, classnotfoundexception, error, exception, implementation, jsseimplementationclass, net, network, puretlsimplementationclass, ssl, ssl, sslimplementation, sslimplementation, sslsupport, string, string

The Tomcat source code

 *  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
 *  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.



/* SSLImplementation:

   Abstract factory and base class for all SSL implementations.

   @author EKR
abstract public class SSLImplementation {
    private static org.apache.juli.logging.Log logger =

    // The default implementations in our search path
    private static final String PureTLSImplementationClass=
    private static final String JSSEImplementationClass=
    private static final String[] implementations=

    public static SSLImplementation getInstance() throws ClassNotFoundException
	for(int i=0;i<implementations.length;i++){
	    try {
               SSLImplementation impl=
		return impl;
	    } catch (Exception e) {
		    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;
	    Class clazz=Class.forName(className);
	    return (SSLImplementation)clazz.newInstance();
	} catch (Exception e){
		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 SSLSupport getSSLSupport(Socket sock);
    abstract public SSLSupport getSSLSupport(SSLSession session);

Other Tomcat examples (source code examples)

Here is a short list of links related to this Tomcat source code file:

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