81 lines
3.6 KiB
Java
81 lines
3.6 KiB
Java
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/*
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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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/**
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* A specification of {@code CertStore} parameters.
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* <p>
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* The purpose of this interface is to group (and provide type safety for)
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* all {@code CertStore} parameter specifications. All
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* {@code CertStore} parameter specifications must implement this
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* interface.
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* <p>
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* Typically, a {@code CertStoreParameters} object is passed as a parameter
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* to one of the {@link CertStore#getInstance CertStore.getInstance} methods.
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* The {@code getInstance} method returns a {@code CertStore} that
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* is used for retrieving {@code Certificate}s and {@code CRL}s. The
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* {@code CertStore} that is returned is initialized with the specified
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* parameters. The type of parameters needed may vary between different types
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* of {@code CertStore}s.
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*
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* @see CertStore#getInstance
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*
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* @since 1.4
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* @author Steve Hanna
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*/
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public interface CertStoreParameters extends Cloneable {
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/**
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* Makes a copy of this {@code CertStoreParameters}.
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* <p>
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* The precise meaning of "copy" may depend on the class of
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* the {@code CertStoreParameters} object. A typical implementation
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* performs a "deep copy" of this object, but this is not an absolute
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* requirement. Some implementations may perform a "shallow copy" of some
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* or all of the fields of this object.
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* <p>
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* Note that the {@code CertStore.getInstance} methods make a copy
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* of the specified {@code CertStoreParameters}. A deep copy
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* implementation of {@code clone} is safer and more robust, as it
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* prevents the caller from corrupting a shared {@code CertStore} by
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* subsequently modifying the contents of its initialization parameters.
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* However, a shallow copy implementation of {@code clone} is more
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* appropriate for applications that need to hold a reference to a
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* parameter contained in the {@code CertStoreParameters}. For example,
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* a shallow copy clone allows an application to release the resources of
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* a particular {@code CertStore} initialization parameter immediately,
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* rather than waiting for the garbage collection mechanism. This should
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* be done with the utmost care, since the {@code CertStore} may still
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* be in use by other threads.
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* <p>
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* Each subclass should state the precise behavior of this method so
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* that users and developers know what to expect.
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*
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* @return a copy of this {@code CertStoreParameters}
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*/
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Object clone();
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}
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