001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.eclipse.aether.transport.jdk;
020
021import javax.inject.Inject;
022import javax.inject.Named;
023
024import org.eclipse.aether.RepositorySystemSession;
025import org.eclipse.aether.repository.RemoteRepository;
026import org.eclipse.aether.spi.connector.transport.http.ChecksumExtractor;
027import org.eclipse.aether.spi.connector.transport.http.HttpTransporter;
028import org.eclipse.aether.spi.connector.transport.http.HttpTransporterFactory;
029import org.eclipse.aether.spi.io.PathProcessor;
030import org.eclipse.aether.transfer.NoTransporterException;
031import org.slf4j.Logger;
032import org.slf4j.LoggerFactory;
033
034import static java.util.Objects.requireNonNull;
035
036/**
037 * JDK Transport factory: on Java 8 it is defunct.
038 *
039 * @since 2.0.0
040 */
041@Named(JdkTransporterFactory.NAME)
042public final class JdkTransporterFactory implements HttpTransporterFactory {
043    public static final String NAME = "jdk";
044
045    private static final Logger LOGGER = LoggerFactory.getLogger(JdkTransporterFactory.class);
046
047    private float priority = 10.0f;
048
049    @Inject
050    public JdkTransporterFactory(ChecksumExtractor checksumExtractor, PathProcessor pathProcessor) {
051        // this is to equalize all Java version constructors to be same, so Supplier could work across all versions
052    }
053
054    @Override
055    public float getPriority() {
056        return priority;
057    }
058
059    public JdkTransporterFactory setPriority(float priority) {
060        this.priority = priority;
061        return this;
062    }
063
064    @Override
065    public HttpTransporter newInstance(RepositorySystemSession session, RemoteRepository repository)
066            throws NoTransporterException {
067        requireNonNull(session, "session cannot be null");
068        requireNonNull(repository, "repository cannot be null");
069
070        LOGGER.debug("Needs Java11+ to function");
071        throw new NoTransporterException(repository, "JDK Transport needs Java11+");
072    }
073}