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/*
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* Copyright 2000-2001 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package java.security.cert;
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import java.security.InvalidAlgorithmParameterException;
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/**
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*
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* The <i>Service Provider Interface</i> (<b>SPI</b>)
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* for the {@link CertPathValidator CertPathValidator} class. All
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* <code>CertPathValidator</code> implementations must include a class (the
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* SPI class) that extends this class (<code>CertPathValidatorSpi</code>)
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* and implements all of its methods. In general, instances of this class
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* should only be accessed through the <code>CertPathValidator</code> class.
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* For details, see the Java Cryptography Architecture.
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* <p>
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* <b>Concurrent Access</b>
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* <p>
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* Instances of this class need not be protected against concurrent
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* access from multiple threads. Threads that need to access a single
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* <code>CertPathValidatorSpi</code> instance concurrently should synchronize
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* amongst themselves and provide the necessary locking before calling the
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* wrapping <code>CertPathValidator</code> object.
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* <p>
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* However, implementations of <code>CertPathValidatorSpi</code> may still
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* encounter concurrency issues, since multiple threads each
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* manipulating a different <code>CertPathValidatorSpi</code> instance need not
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* synchronize.
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*
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* @since 1.4
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* @author Yassir Elley
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*/
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public abstract class CertPathValidatorSpi {
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/**
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* The default constructor.
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*/
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public CertPathValidatorSpi() {}
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/**
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* Validates the specified certification path using the specified
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* algorithm parameter set.
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* <p>
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* The <code>CertPath</code> specified must be of a type that is
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* supported by the validation algorithm, otherwise an
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* <code>InvalidAlgorithmParameterException</code> will be thrown. For
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* example, a <code>CertPathValidator</code> that implements the PKIX
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* algorithm validates <code>CertPath</code> objects of type X.509.
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*
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* @param certPath the <code>CertPath</code> to be validated
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* @param params the algorithm parameters
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* @return the result of the validation algorithm
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* @exception CertPathValidatorException if the <code>CertPath</code>
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* does not validate
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* @exception InvalidAlgorithmParameterException if the specified
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* parameters or the type of the specified <code>CertPath</code> are
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* inappropriate for this <code>CertPathValidator</code>
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*/
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public abstract CertPathValidatorResult
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engineValidate(CertPath certPath, CertPathParameters params)
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throws CertPathValidatorException, InvalidAlgorithmParameterException;
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}
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