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Signatory.java
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Signatory.java
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/*
* Copyright 2011 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.plugins.signing.signatory;
import org.gradle.api.tasks.Input;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.Optional;
import java.io.InputStream;
import java.io.OutputStream;
/**
* A signatory is an object capable of providing a signature for an arbitrary stream of bytes.
* @since 4.5
*/
public interface Signatory {
/**
* <p>An identifying name for this signatory.</p>
*
* <p>The name must be constant for the life of the signatory and should uniquely identify it within a project.</p>
*/
@Internal
String getName();
/**
* Exhausts {@code toSign}, and writes the signature to {@code signatureDestination}. The caller is responsible for closing the streams, though the output WILL be flushed.
*
* @param toSign The source of the data to be signed
* @param destination Where the signature will be written to
*/
void sign(InputStream toSign, OutputStream destination);
/**
* Exhausts {@code toSign}, and returns the raw signature bytes.
*
* @param toSign The source of the data to be signed
* @return The raw bytes of the signature
*/
byte[] sign(InputStream toSign);
/**
* Returns the id of the key that will be used for signing.
*
* @return The key id
*/
@Input
@Optional
String getKeyId();
}