99 lines
4.2 KiB
Java
99 lines
4.2 KiB
Java
/*
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* Copyright (c) 2000, 2013, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* 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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* The <i>Service Provider Interface</i> (<b>SPI</b>)
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* for the {@link CertPathBuilder CertPathBuilder} class. All
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* {@code CertPathBuilder} implementations must include a class (the
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* SPI class) that extends this class ({@code CertPathBuilderSpi}) and
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* implements all of its methods. In general, instances of this class should
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* only be accessed through the {@code CertPathBuilder} class. For
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* 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 CertPathBuilderSpi} instance concurrently should synchronize
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* amongst themselves and provide the necessary locking before calling the
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* wrapping {@code CertPathBuilder} object.
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* <p>
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* However, implementations of {@code CertPathBuilderSpi} may still
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* encounter concurrency issues, since multiple threads each
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* manipulating a different {@code CertPathBuilderSpi} instance need not
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* synchronize.
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*
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* @since 1.4
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* @author Sean Mullan
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*/
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public abstract class CertPathBuilderSpi {
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/**
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* The default constructor.
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*/
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public CertPathBuilderSpi() { }
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/**
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* Attempts to build a certification path using the specified
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* algorithm parameter set.
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*
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* @param params the algorithm parameters
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* @return the result of the build algorithm
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* @throws CertPathBuilderException if the builder is unable to construct
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* a certification path that satisfies the specified parameters
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* @throws InvalidAlgorithmParameterException if the specified parameters
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* are inappropriate for this {@code CertPathBuilder}
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*/
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public abstract CertPathBuilderResult engineBuild(CertPathParameters params)
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throws CertPathBuilderException, InvalidAlgorithmParameterException;
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/**
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* Returns a {@code CertPathChecker} that this implementation uses to
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* check the revocation status of certificates. A PKIX implementation
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* returns objects of type {@code PKIXRevocationChecker}.
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*
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* <p>The primary purpose of this method is to allow callers to specify
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* additional input parameters and options specific to revocation checking.
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* See the class description of {@code CertPathBuilder} for an example.
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*
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* <p>This method was added to version 1.8 of the Java Platform Standard
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* Edition. In order to maintain backwards compatibility with existing
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* service providers, this method cannot be abstract and by default throws
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* an {@code UnsupportedOperationException}.
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*
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* @return a {@code CertPathChecker} that this implementation uses to
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* check the revocation status of certificates
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* @throws UnsupportedOperationException if this method is not supported
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* @since 1.8
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*/
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public CertPathChecker engineGetRevocationChecker() {
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throw new UnsupportedOperationException();
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}
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}
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