1   /*
    2    * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   
   26   package javax.net.ssl;
   27   
   28   import java.util;
   29   
   30   import java.security.KeyStore;
   31   
   32   /**
   33    * A parameters object for X509KeyManagers that encapsulates a List
   34    * of KeyStore.Builders.
   35    *
   36    * @see java.security.KeyStore.Builder
   37    * @see X509KeyManager
   38    *
   39    * @author  Andreas Sterbenz
   40    * @since   1.5
   41    */
   42   public class KeyStoreBuilderParameters implements ManagerFactoryParameters {
   43   
   44       private final List<Builder> parameters;
   45   
   46       /**
   47        * Construct new KeyStoreBuilderParameters from the specified
   48        * {@linkplain java.security.KeyStore.Builder}.
   49        *
   50        * @param builder the Builder object
   51        * @exception NullPointerException if builder is null
   52        */
   53       public KeyStoreBuilderParameters(Builder builder) {
   54           parameters = Collections.singletonList(Objects.requireNonNull(builder));
   55       }
   56   
   57       /**
   58        * Construct new KeyStoreBuilderParameters from a List
   59        * of {@linkplain java.security.KeyStore.Builder}s. Note that the list
   60        * is cloned to protect against subsequent modification.
   61        *
   62        * @param parameters the List of Builder objects
   63        * @exception NullPointerException if parameters is null
   64        * @exception IllegalArgumentException if parameters is an empty list
   65        */
   66       public KeyStoreBuilderParameters(List<Builder> parameters) {
   67           if (parameters.isEmpty()) {
   68               throw new IllegalArgumentException();
   69           }
   70   
   71           this.parameters = Collections.unmodifiableList(
   72               new ArrayList<Builder>(parameters));
   73       }
   74   
   75       /**
   76        * Return the unmodifiable List of the
   77        * {@linkplain java.security.KeyStore.Builder}s
   78        * encapsulated by this object.
   79        *
   80        * @return the unmodifiable List of the
   81        * {@linkplain java.security.KeyStore.Builder}s
   82        * encapsulated by this object.
   83        */
   84       public List<Builder> getParameters() {
   85           return parameters;
   86       }
   87   
   88   }