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1 files changed, 305 insertions, 0 deletions

diff --git a/libjava/classpath/java/security/cert/CertStore.java b/libjava/classpath/java/security/cert/CertStore.java
new file mode 100644
index 000000000..630e96762
--- /dev/null
+++ b/libjava/classpath/java/security/cert/CertStore.java
@@ -0,0 +1,305 @@
+/* CertStore -- stores and retrieves certificates.
+   Copyright (C) 2003, 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.security.cert;
+
+import gnu.java.lang.CPStringBuilder;
+
+import gnu.java.security.Engine;
+
+import java.lang.reflect.InvocationTargetException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.PrivilegedAction;
+import java.security.Provider;
+import java.security.Security;
+import java.util.Collection;
+
+/**
+ * A CertStore is a read-only repository for certificates and
+ * certificate revocation lists.
+ *
+ * @since 1.4
+ */
+public class CertStore
+{
+
+  // Constants and fields.
+  // ------------------------------------------------------------------------
+
+  /** Service name for CertStore. */
+  private static final String CERT_STORE = "CertStore";
+
+  /** The underlying implementation. */
+  private CertStoreSpi storeSpi;
+
+  /** This implementation's provider. */
+  private Provider provider;
+
+  /** The name of this key store type. */
+  private String type;
+
+  /** The parameters used to initialize this instance, if any. */
+  private CertStoreParameters params;
+
+  // Constructor.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Create a new CertStore.
+   *
+   * @param storeSpi The underlying implementation.
+   * @param provider The provider of this implementation.
+   * @param type     The type of CertStore this class represents.
+   * @param params   The parameters used to initialize this instance, if any.
+   */
+  protected CertStore(CertStoreSpi storeSpi, Provider provider, String type,
+                      CertStoreParameters params)
+  {
+    this.storeSpi = storeSpi;
+    this.provider = provider;
+    this.type = type;
+    this.params = params;
+  }
+
+// Class methods.
+  // ------------------------------------------------------------------------
+
+  /**
+   * Returns the default certificate store type.
+   *
+   * <p>This value can be set at run-time via the security property
+   * "certstore.type"; if not specified than the default type will be
+   * "LDAP".
+   *
+   * @return The default CertStore type.
+   */
+  public static final synchronized String getDefaultType()
+  {
+    String type = null;
+    type = (String) java.security.AccessController.doPrivileged(
+      new PrivilegedAction() {
+        public Object run() {
+          return Security.getProperty("certstore.type");
+        }
+      }
+    );
+    if (type == null)
+      type = "LDAP";
+    return type;
+  }
+
+  /**
+   * Returns an instance of the given certificate store type from the first
+   * installed provider.
+   *
+   * @param type The type of <code>CertStore</code> to create.
+   * @param params The parameters to initialize this cert store with.
+   * @return The new instance.
+   * @throws InvalidAlgorithmParameterException If the instance rejects the
+   *           specified parameters.
+   * @throws NoSuchAlgorithmException If no installed provider implements the
+   *           specified CertStore.
+   * @throws IllegalArgumentException if <code>type</code> is
+   *           <code>null</code> or is an empty string.
+   */
+  public static CertStore getInstance(String type, CertStoreParameters params)
+    throws InvalidAlgorithmParameterException, NoSuchAlgorithmException
+  {
+    Provider[] p = Security.getProviders();
+    NoSuchAlgorithmException lastException = null;
+    for (int i = 0; i < p.length; i++)
+      try
+        {
+          return getInstance(type, params, p[i]);
+        }
+      catch (NoSuchAlgorithmException x)
+        {
+          lastException = x;
+        }
+    if (lastException != null)
+      throw lastException;
+    throw new NoSuchAlgorithmException(type);
+  }
+
+  /**
+   * Returns an instance of the given certificate store type from a named
+   * provider.
+   *
+   * @param type The type of <code>CertStore</code> to create.
+   * @param params The parameters to initialize this cert store with.
+   * @param provider The name of the provider to use.
+   * @return The new instance.
+   * @throws InvalidAlgorithmParameterException If the instance rejects the
+   *           specified parameters.
+   * @throws NoSuchAlgorithmException If the specified provider does not
+   *           implement the specified CertStore.
+   * @throws NoSuchProviderException If no provider named <i>provider</i> is
+   *           installed.
+   * @throws IllegalArgumentException if either <code>type</code> or
+   *           <code>provider</code> is <code>null</code>, or if
+   *           <code>type</code> is an empty string.
+   */
+  public static CertStore getInstance(String type, CertStoreParameters params,
+                                      String provider)
+    throws InvalidAlgorithmParameterException, NoSuchAlgorithmException,
+           NoSuchProviderException
+  {
+    if (provider == null)
+      throw new IllegalArgumentException("provider MUST NOT be null");
+    Provider p = Security.getProvider(provider);
+    if (p == null)
+      throw new NoSuchProviderException(provider);
+    return getInstance(type, params, p);
+  }
+
+  /**
+   * Returns an instance of the given certificate store type from a given
+   * provider.
+   *
+   * @param type The type of <code>CertStore</code> to create.
+   * @param params   The parameters to initialize this cert store with.
+   * @param provider The provider to use.
+   * @return The new instance.
+   * @throws InvalidAlgorithmParameterException If the instance rejects
+   *         the specified parameters.
+   * @throws NoSuchAlgorithmException If the specified provider does not
+   *         implement the specified CertStore.
+   * @throws IllegalArgumentException if either <code>type</code> or
+   *           <code>provider</code> is <code>null</code>, or if
+   *           <code>type</code> is an empty string.
+   */
+  public static CertStore getInstance(String type, CertStoreParameters params,
+                                      Provider provider)
+      throws InvalidAlgorithmParameterException, NoSuchAlgorithmException
+  {
+    CPStringBuilder sb = new CPStringBuilder("CertStore of type [")
+        .append(type).append("] from provider[")
+        .append(provider).append("] could not be created");
+    Throwable cause;
+    try
+      {
+        Object[] args = new Object[] { params };
+        Object spi = Engine.getInstance(CERT_STORE, type, provider, args);
+        return new CertStore((CertStoreSpi) spi, provider, type, params);
+      }
+    catch (InvocationTargetException x)
+      {
+        cause = x.getCause();
+        if (cause instanceof NoSuchAlgorithmException)
+          throw (NoSuchAlgorithmException) cause;
+        if (cause == null)
+          cause = x;
+      }
+    catch (ClassCastException x)
+      {
+        cause = x;
+      }
+    NoSuchAlgorithmException x = new NoSuchAlgorithmException(sb.toString());
+    x.initCause(cause);
+    throw x;
+  }
+
+  /**
+   * Return the type of certificate store this instance represents.
+   *
+   * @return The CertStore type.
+   */
+  public final String getType()
+  {
+    return type;
+  }
+
+  /**
+   * Return the provider of this implementation.
+   *
+   * @return The provider.
+   */
+  public final Provider getProvider()
+  {
+    return provider;
+  }
+
+  /**
+   * Get the parameters this instance was created with, if any. The
+   * parameters will be cloned before they are returned.
+   *
+   * @return The parameters, or null.
+   */
+  public final CertStoreParameters getCertStoreParameters()
+  {
+    return params != null ? (CertStoreParameters) params.clone() : null;
+  }
+
+  /**
+   * Get a collection of certificates from this CertStore, optionally
+   * filtered by the specified CertSelector. The Collection returned may
+   * be empty, but will never be null.
+   *
+   * <p>Implementations may not allow a null argument, even if no
+   * filtering is desired.
+   *
+   * @param selector The certificate selector.
+   * @return The collection of certificates.
+   * @throws CertStoreException If the certificates cannot be retrieved.
+   */
+  public final Collection<? extends Certificate> getCertificates(CertSelector selector)
+    throws CertStoreException
+  {
+    return storeSpi.engineGetCertificates(selector);
+  }
+
+  /**
+   * Get a collection of certificate revocation lists from this CertStore,
+   * optionally filtered by the specified CRLSelector. The Collection
+   * returned may be empty, but will never be null.
+   *
+   * <p>Implementations may not allow a null argument, even if no
+   * filtering is desired.
+   *
+   * @param selector The certificate selector.
+   * @return The collection of certificate revocation lists.
+   * @throws CertStoreException If the CRLs cannot be retrieved.
+   */
+  public final Collection<? extends CRL> getCRLs(CRLSelector selector)
+    throws CertStoreException
+  {
+    return storeSpi.engineGetCRLs(selector);
+  }
+}