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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 shaded.shaded.org.eclipse.aether.transport.http;
import java.util.Map;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpResponseException;
import org.apache.http.client.methods.HttpUriRequest;
/**
* A component extracting included checksums from response of artifact request.
*
* @since 1.8.0
*/
public abstract class ChecksumExtractor {
/**
* Prepares request, if needed.
*/
public void prepareRequest(HttpUriRequest request) {
// nothing
}
/**
* May control is request to be retried with checksum extractors disabled.
*/
public boolean retryWithoutExtractor(HttpResponseException exception) {
return false; // nothing, usually tied to prepareRequest
}
/**
* Tries to extract checksums from response headers, if present, otherwise returns {@code null}.
*/
public abstract Map extractChecksums(HttpResponse response);
}