Initial revision
From-SVN: r102074
This commit is contained in:
Tom Tromey
parent
6f4434b39b
commit
f911ba985a
4557 changed files with 1000262 additions and 0 deletions
358
libjava/classpath/java/security/cert/CertificateFactory.java
Normal file
358
libjava/classpath/java/security/cert/CertificateFactory.java
Normal file
|
|
@ -0,0 +1,358 @@
|
|||
/* CertificateFactory.java -- Certificate Factory Class
|
||||
Copyright (C) 1999, 2002, 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.security.Engine;
|
||||
|
||||
import java.io.InputStream;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
import java.security.NoSuchProviderException;
|
||||
import java.security.Provider;
|
||||
import java.security.Security;
|
||||
import java.util.Collection;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
/**
|
||||
* This class implements the CertificateFactory class interface used to
|
||||
* generate certificates, certificate revocation lists (CRLs), and certificate
|
||||
* paths objects from their encoded forms.
|
||||
*
|
||||
* @author Mark Benvenuto
|
||||
* @author Casey Marshall
|
||||
* @since JDK 1.2
|
||||
* @status Fully compatible with JDK 1.4.
|
||||
*/
|
||||
public class CertificateFactory
|
||||
{
|
||||
|
||||
/** The service name for certificate factories. */
|
||||
private static final String CERTIFICATE_FACTORY = "CertificateFactory";
|
||||
|
||||
private CertificateFactorySpi certFacSpi;
|
||||
private Provider provider;
|
||||
private String type;
|
||||
|
||||
/**
|
||||
* Creates an instance of CertificateFactory.
|
||||
*
|
||||
* @param certFacSpi The underlying CertificateFactory engine.
|
||||
* @param provider The provider of this implementation.
|
||||
* @param type The type of Certificate this factory creates.
|
||||
*/
|
||||
protected CertificateFactory(CertificateFactorySpi certFacSpi,
|
||||
Provider provider, String type)
|
||||
{
|
||||
this.certFacSpi = certFacSpi;
|
||||
this.provider = provider;
|
||||
this.type = type;
|
||||
}
|
||||
|
||||
// Class methods.
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Gets an instance of the CertificateFactory class representing
|
||||
* the specified certificate factory. If the type is not
|
||||
* found then, it throws CertificateException.
|
||||
*
|
||||
* @param type The type of certificate factory to create.
|
||||
* @return a CertificateFactory repesenting the desired type
|
||||
* @throws CertificateException If the type of certificate is not
|
||||
* implemented by any installed provider.
|
||||
*/
|
||||
public static final CertificateFactory getInstance(String type)
|
||||
throws CertificateException
|
||||
{
|
||||
Provider[] p = Security.getProviders();
|
||||
|
||||
for (int i = 0; i < p.length; i++)
|
||||
{
|
||||
try
|
||||
{
|
||||
return getInstance(type, p[i]);
|
||||
}
|
||||
catch (CertificateException e)
|
||||
{
|
||||
// Ignored.
|
||||
}
|
||||
}
|
||||
|
||||
throw new CertificateException(type);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets an instance of the CertificateFactory class representing
|
||||
* the specified certificate factory from the specified provider.
|
||||
* If the type is not found then, it throws {@link CertificateException}.
|
||||
* If the provider is not found, then it throws
|
||||
* {@link java.security.NoSuchProviderException}.
|
||||
*
|
||||
* @param type The type of certificate factory to create.
|
||||
* @param provider The name of the provider from which to get the
|
||||
* implementation.
|
||||
* @return A CertificateFactory for the desired type.
|
||||
* @throws CertificateException If the type of certificate is not
|
||||
* implemented by the named provider.
|
||||
* @throws NoSuchProviderException If the named provider is not installed.
|
||||
*/
|
||||
public static final CertificateFactory getInstance(String type,
|
||||
String provider)
|
||||
throws CertificateException, NoSuchProviderException
|
||||
{
|
||||
Provider p = Security.getProvider(provider);
|
||||
if( p == null)
|
||||
throw new NoSuchProviderException(provider);
|
||||
|
||||
return getInstance(type, p);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a certificate factory for the given certificate type from the
|
||||
* given provider.
|
||||
*
|
||||
* @param type The type of certificate factory to create.
|
||||
* @param provider The provider from which to get the implementation.
|
||||
* @return A CertificateFactory for the desired type.
|
||||
* @throws CertificateException If the type of certificate is not
|
||||
* implemented by the provider.
|
||||
* @throws IllegalArgumentException If the provider is null.
|
||||
*/
|
||||
public static final CertificateFactory getInstance(String type,
|
||||
Provider provider)
|
||||
throws CertificateException
|
||||
{
|
||||
if (provider == null)
|
||||
throw new IllegalArgumentException("null provider");
|
||||
|
||||
try
|
||||
{
|
||||
return new CertificateFactory((CertificateFactorySpi)
|
||||
Engine.getInstance(CERTIFICATE_FACTORY, type, provider),
|
||||
provider, type);
|
||||
}
|
||||
catch (ClassCastException cce)
|
||||
{
|
||||
throw new CertificateException(type);
|
||||
}
|
||||
catch (java.lang.reflect.InvocationTargetException ite)
|
||||
{
|
||||
throw new CertificateException(type);
|
||||
}
|
||||
catch (NoSuchAlgorithmException nsae)
|
||||
{
|
||||
throw new CertificateException(nsae.getMessage());
|
||||
}
|
||||
}
|
||||
|
||||
// Instance methods.
|
||||
// ------------------------------------------------------------------------
|
||||
|
||||
/**
|
||||
* Gets the provider of this implementation.
|
||||
*
|
||||
* @return The provider of this implementation.
|
||||
*/
|
||||
public final Provider getProvider()
|
||||
{
|
||||
return provider;
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns the type of the certificate this factory creates.
|
||||
*
|
||||
* @return A string with the type of certificate
|
||||
*/
|
||||
public final String getType()
|
||||
{
|
||||
return type;
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates a Certificate from the encoded data read
|
||||
* from an InputStream.
|
||||
*
|
||||
* <p>The input stream must contain only one certificate.
|
||||
*
|
||||
* <p>If there exists a specialized certificate class for the
|
||||
* certificate format handled by the certificate factory
|
||||
* then the return Ceritificate should be a typecast of it.
|
||||
* Ex: A X.509 CertificateFactory should return X509Certificate.
|
||||
*
|
||||
* <p>For X.509 certificates, the certificate in inStream must be
|
||||
* DER encoded and supplied in binary or printable (Base64)
|
||||
* encoding. If the certificate is in Base64 encoding, it must be
|
||||
* bounded by -----BEGINCERTIFICATE-----, and
|
||||
* -----END CERTIFICATE-----.
|
||||
*
|
||||
* @param inStream An input stream containing the certificate data.
|
||||
* @return A certificate initialized from the decoded InputStream data.
|
||||
* @throws CertificateException If an error occurs decoding the
|
||||
* certificate.
|
||||
*/
|
||||
public final Certificate generateCertificate(InputStream inStream)
|
||||
throws CertificateException
|
||||
{
|
||||
return certFacSpi.engineGenerateCertificate(inStream);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns a collection of certificates that were read from the
|
||||
* input stream. It may be empty, have only one, or have
|
||||
* multiple certificates.
|
||||
*
|
||||
* For a X.509 certificate factory, the stream may contain a
|
||||
* single DER encoded certificate or a PKCS#7 certificate
|
||||
* chain. This is a PKCS#7 <I>SignedData</I> object with the
|
||||
* most significant field being <I>certificates</I>. If no
|
||||
* CRLs are present, then an empty collection is returned.
|
||||
*
|
||||
* @param inStream An input stream containing the certificate data.
|
||||
* @return A collection of certificates initialized from the decoded
|
||||
* InputStream data.
|
||||
* @throws CertificateException If an error occurs decoding the
|
||||
* certificates.
|
||||
*/
|
||||
public final Collection generateCertificates(InputStream inStream)
|
||||
throws CertificateException
|
||||
{
|
||||
return certFacSpi.engineGenerateCertificates(inStream);
|
||||
}
|
||||
|
||||
/**
|
||||
* Generates a CRL based on the encoded data read
|
||||
* from the InputStream.
|
||||
*
|
||||
* <p>The input stream must contain only one CRL.
|
||||
*
|
||||
* <p>If there exists a specialized CRL class for the
|
||||
* CRL format handled by the certificate factory
|
||||
* then the return CRL should be a typecast of it.
|
||||
* Ex: A X.509 CertificateFactory should return X509CRL.
|
||||
*
|
||||
* @param inStream An input stream containing the CRL data.
|
||||
* @return A CRL initialized from the decoded InputStream data.
|
||||
* @throws CRLException If an error occurs decoding the CRL.
|
||||
*/
|
||||
public final CRL generateCRL(InputStream inStream)
|
||||
throws CRLException
|
||||
{
|
||||
return certFacSpi.engineGenerateCRL(inStream);
|
||||
}
|
||||
|
||||
/**
|
||||
* <p>Generates CRLs based on the encoded data read
|
||||
* from the InputStream.
|
||||
*
|
||||
* <p>For a X.509 certificate factory, the stream may contain a
|
||||
* single DER encoded CRL or a PKCS#7 CRL set. This is a
|
||||
* PKCS#7 <I>SignedData</I> object with the most significant
|
||||
* field being <I>crls</I>. If no CRLs are present, then an
|
||||
* empty collection is returned.
|
||||
*
|
||||
* @param inStream an input stream containing the CRLs.
|
||||
* @return a collection of CRLs initialized from the decoded
|
||||
* InputStream data.
|
||||
* @throws CRLException If an error occurs decoding the CRLs.
|
||||
*/
|
||||
public final Collection generateCRLs(InputStream inStream)
|
||||
throws CRLException
|
||||
{
|
||||
return certFacSpi.engineGenerateCRLs( inStream );
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a {@link CertPath} and initialize it with data parsed from
|
||||
* the input stream. The default encoding of this factory is used.
|
||||
*
|
||||
* @param inStream The InputStream containing the CertPath data.
|
||||
* @return A CertPath initialized from the input stream data.
|
||||
* @throws CertificateException If an error occurs decoding the
|
||||
* CertPath.
|
||||
*/
|
||||
public final CertPath generateCertPath(InputStream inStream)
|
||||
throws CertificateException
|
||||
{
|
||||
return certFacSpi.engineGenerateCertPath(inStream);
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a {@link CertPath} and initialize it with data parsed from
|
||||
* the input stream, using the specified encoding.
|
||||
*
|
||||
* @param inStream The InputStream containing the CertPath data.
|
||||
* @param encoding The encoding of the InputStream data.
|
||||
* @return A CertPath initialized from the input stream data.
|
||||
* @throws CertificateException If an error occurs decoding the
|
||||
* CertPath.
|
||||
*/
|
||||
public final CertPath generateCertPath(InputStream inStream, String encoding)
|
||||
throws CertificateException
|
||||
{
|
||||
return certFacSpi.engineGenerateCertPath(inStream, encoding);
|
||||
}
|
||||
|
||||
/**
|
||||
* Generate a {@link CertPath} and initialize it with the certificates
|
||||
* in the {@link java.util.List} argument.
|
||||
*
|
||||
* @param certificates The list of certificates with which to create
|
||||
* the CertPath.
|
||||
* @return A CertPath initialized from the certificates.
|
||||
* @throws CertificateException If an error occurs generating the
|
||||
* CertPath.
|
||||
*/
|
||||
public final CertPath generateCertPath(List certificates)
|
||||
throws CertificateException
|
||||
{
|
||||
return certFacSpi.engineGenerateCertPath(certificates);
|
||||
}
|
||||
|
||||
/**
|
||||
* Returns an Iterator of CertPath encodings supported by this
|
||||
* factory, with the default encoding first. The returned Iterator
|
||||
* cannot be modified.
|
||||
*
|
||||
* @return The Iterator of supported encodings.
|
||||
*/
|
||||
public final Iterator getCertPathEncodings()
|
||||
{
|
||||
return certFacSpi.engineGetCertPathEncodings();
|
||||
}
|
||||
} // class CertificateFactory
|
||||
Loading…
Add table
Add a link
Reference in a new issue