/
BuildpackResolverContext.java
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/
BuildpackResolverContext.java
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/*
* Copyright 2012-2022 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
*
* https://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.springframework.boot.buildpack.platform.build;
import java.io.IOException;
import java.util.List;
import org.springframework.boot.buildpack.platform.docker.type.Image;
import org.springframework.boot.buildpack.platform.docker.type.ImageReference;
import org.springframework.boot.buildpack.platform.io.IOBiConsumer;
import org.springframework.boot.buildpack.platform.io.TarArchive;
/**
* Context passed to a {@link BuildpackResolver}.
*
* @author Scott Frederick
* @author Phillip Webb
*/
interface BuildpackResolverContext {
List<BuildpackMetadata> getBuildpackMetadata();
BuildpackLayersMetadata getBuildpackLayersMetadata();
/**
* Retrieve an image.
* @param reference the image reference
* @param type the type of image
* @return the retrieved image
* @throws IOException on IO error
*/
Image fetchImage(ImageReference reference, ImageType type) throws IOException;
/**
* Export the layers of an image.
* @param reference the reference to export
* @param exports a consumer to receive the layers (contents can only be accessed
* during the callback)
* @throws IOException on IO error
*/
void exportImageLayers(ImageReference reference, IOBiConsumer<String, TarArchive> exports) throws IOException;
}