/*
    * Copyright 2014 The Netty Project
    *
    * The Netty Project 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.jboss.netty.handler.ssl;
  
  import javax.net.ssl.SSLEngine;
  import javax.net.ssl.SSLPeerUnverifiedException;
  import javax.net.ssl.SSLSession;
  import javax.net.ssl.SSLSessionContext;
  import javax.security.cert.X509Certificate;
  import java.security.Principal;
  import java.security.cert.Certificate;
  
  final class JettyNpnSslSession implements SSLSession {
  
      private final SSLEngine engine;
      private volatile String applicationProtocol;
  
      JettyNpnSslSession(SSLEngine engine) {
          this.engine = engine;
      }
  
      void setApplicationProtocol(String applicationProtocol) {
          if (applicationProtocol != null) {
              applicationProtocol = applicationProtocol.replace(':', '_');
          }
          this.applicationProtocol = applicationProtocol;
      }
  
      public String getProtocol() {
          final String protocol = unwrap().getProtocol();
          final String applicationProtocol = this.applicationProtocol;
  
          if (applicationProtocol == null) {
              if (protocol != null) {
                  return protocol.replace(':', '_');
              } else {
                  return null;
              }
          }
  
          final StringBuilder buf = new StringBuilder(32);
          if (protocol != null) {
              buf.append(protocol.replace(':', '_'));
              buf.append(':');
          } else {
              buf.append("null:");
          }
          buf.append(applicationProtocol);
          return buf.toString();
      }
  
      private SSLSession unwrap() {
          return engine.getSession();
      }
  
      public byte[] getId() {
          return unwrap().getId();
      }
  
      public SSLSessionContext getSessionContext() {
          return unwrap().getSessionContext();
      }
  
      public long getCreationTime() {
          return unwrap().getCreationTime();
      }
  
      public long getLastAccessedTime() {
          return unwrap().getLastAccessedTime();
      }
  
      public void invalidate() {
          unwrap().invalidate();
      }
  
      public boolean isValid() {
          return unwrap().isValid();
      }
  
      public void putValue(String s, Object o) {
          unwrap().putValue(s, o);
      }
  
      public Object getValue(String s) {
          return unwrap().getValue(s);
     }
 
     public void removeValue(String s) {
         unwrap().removeValue(s);
     }
 
     public String[] getValueNames() {
         return unwrap().getValueNames();
     }
 
     public Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
         return unwrap().getPeerCertificates();
     }
 
     public Certificate[] getLocalCertificates() {
         return unwrap().getLocalCertificates();
     }
 
     public X509Certificate[] getPeerCertificateChain() throws SSLPeerUnverifiedException {
         return unwrap().getPeerCertificateChain();
     }
 
     public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
         return unwrap().getPeerPrincipal();
     }
 
     public Principal getLocalPrincipal() {
         return unwrap().getLocalPrincipal();
     }
 
     public String getCipherSuite() {
         return unwrap().getCipherSuite();
     }
 
     public String getPeerHost() {
         return unwrap().getPeerHost();
     }
 
     public int getPeerPort() {
         return unwrap().getPeerPort();
     }
 
     public int getPacketBufferSize() {
         return unwrap().getPacketBufferSize();
     }
 
     public int getApplicationBufferSize() {
         return unwrap().getApplicationBufferSize();
     }
 }