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26 lines
729 B
Java
26 lines
729 B
Java
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// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
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//
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// SPDX-License-Identifier: Apache-2.0
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package pgp.certificate_store;
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import java.io.IOException;
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/**
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* Merge a given {@link Key} (update) with an existing {@link Key}.
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*/
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public interface KeyMerger {
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/**
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* Merge the given key data with the existing {@link Key} and return the result.
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* If no existing {@link Key} is found (i.e. if existing is null), this method returns the unmodified data.
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*
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* @param data key
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* @param existing optional already existing copy of the key
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* @return merged key
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*
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* @throws IOException in case of an IO error
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*/
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Key merge(Key data, Key existing) throws IOException;
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}
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