| /* |
| * Copyright 1999-2004 The Apache Software Foundation |
| * |
| * Licensed 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; |
| |
| /* SSLImplementation: |
| |
| Abstract factory and base class for all SSL implementations. |
| |
| @author EKR |
| */ |
| abstract public class SSLImplementation { |
| private static org.apache.commons.logging.Log logger = |
| org.apache.commons.logging.LogFactory.getLog(SSLImplementation.class); |
| |
| // The default implementations in our search path |
| private static final String PureTLSImplementationClass= |
| "org.apache.tomcat.util.net.puretls.PureTLSImplementation"; |
| private static final String JSSEImplementationClass= |
| "org.apache.tomcat.util.net.jsse.JSSEImplementation"; |
| |
| private static final String[] implementations= |
| { |
| PureTLSImplementationClass, |
| 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 SSLSupport getSSLSupport(Socket sock); |
| } |