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.Named;
022
023import org.eclipse.aether.RepositorySystemSession;
024import org.eclipse.aether.repository.RemoteRepository;
025import org.eclipse.aether.spi.connector.transport.Transporter;
026import org.eclipse.aether.spi.connector.transport.TransporterFactory;
027import org.eclipse.aether.transfer.NoTransporterException;
028
029import static java.util.Objects.requireNonNull;
030
031/**
032 * JDK Transport factory: on Java 8 is no-op.
033 *
034 * @since TBD
035 */
036@Named(JdkTransporterFactory.NAME)
037public final class JdkTransporterFactory implements TransporterFactory {
038    public static final String NAME = "jdk";
039
040    private float priority = Float.MIN_VALUE;
041
042    @Override
043    public float getPriority() {
044        return priority;
045    }
046
047    public JdkTransporterFactory setPriority(float priority) {
048        this.priority = priority;
049        return this;
050    }
051
052    @Override
053    public Transporter newInstance(RepositorySystemSession session, RemoteRepository repository)
054            throws NoTransporterException {
055        requireNonNull(session, "session cannot be null");
056        requireNonNull(repository, "repository cannot be null");
057
058        throw new NoTransporterException(repository, "JDK Transport needs Java11+");
059    }
060}