Source for gnu.java.security.provider.CollectionCertStoreImpl

   1: /* CollectionCertStore.java -- Collection-based cert store.
   2:    Copyright (C) 2004  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.java.security.provider;
  40: 
  41: import java.security.InvalidAlgorithmParameterException;
  42: import java.security.cert.CRL;
  43: import java.security.cert.CRLSelector;
  44: import java.security.cert.CertSelector;
  45: import java.security.cert.CertStoreException;
  46: import java.security.cert.CertStoreParameters;
  47: import java.security.cert.CertStoreSpi;
  48: import java.security.cert.Certificate;
  49: import java.security.cert.CollectionCertStoreParameters;
  50: import java.util.Collection;
  51: import java.util.Iterator;
  52: import java.util.LinkedList;
  53: 
  54: public final class CollectionCertStoreImpl extends CertStoreSpi
  55: {
  56: 
  57:   // Fields.
  58:   // -------------------------------------------------------------------------
  59: 
  60:   private final Collection store;
  61: 
  62:   // Constructors.
  63:   // -------------------------------------------------------------------------
  64: 
  65:   public CollectionCertStoreImpl(CertStoreParameters params)
  66:     throws InvalidAlgorithmParameterException
  67:   {
  68:     super(params);
  69:     if (! (params instanceof CollectionCertStoreParameters))
  70:       throw new InvalidAlgorithmParameterException("not a CollectionCertStoreParameters object");
  71:     store = ((CollectionCertStoreParameters) params).getCollection();
  72:   }
  73: 
  74:   // Instance methods.
  75:   // -------------------------------------------------------------------------
  76: 
  77:   public Collection engineGetCertificates(CertSelector selector)
  78:     throws CertStoreException
  79:   {
  80:     LinkedList result = new LinkedList();
  81:     for (Iterator it = store.iterator(); it.hasNext(); )
  82:       {
  83:         Object o = it.next();
  84:         if ((o instanceof Certificate) && selector.match((Certificate) o))
  85:           result.add(o);
  86:       }
  87:     return result;
  88:   }
  89: 
  90:   public Collection engineGetCRLs(CRLSelector selector)
  91:     throws CertStoreException
  92:   {
  93:     LinkedList result = new LinkedList();
  94:     for (Iterator it = store.iterator(); it.hasNext(); )
  95:       {
  96:         Object o = it.next();
  97:         if ((o instanceof CRL) && selector.match((CRL) o))
  98:           result.add(o);
  99:       }
 100:     return result;
 101:   }
 102: }