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.transfer.NoTransporterException;
030import org.slf4j.Logger;
031import org.slf4j.LoggerFactory;
032
033import static java.util.Objects.requireNonNull;
034
035/**
036 * JDK Transport factory: on Java 8 it is defunct.
037 *
038 * @since 2.0.0
039 */
040@Named(JdkTransporterFactory.NAME)
041public final class JdkTransporterFactory implements HttpTransporterFactory {
042    public static final String NAME = "jdk";
043
044    private static final Logger LOGGER = LoggerFactory.getLogger(JdkTransporterFactory.class);
045
046    private float priority = 10.0f;
047
048    @Inject
049    public JdkTransporterFactory(ChecksumExtractor checksumExtractor) {
050        // this is to equalize all Java version constructors to be same, so Supplier could work across all versions
051    }
052
053    @Override
054    public float getPriority() {
055        return priority;
056    }
057
058    public JdkTransporterFactory setPriority(float priority) {
059        this.priority = priority;
060        return this;
061    }
062
063    @Override
064    public HttpTransporter newInstance(RepositorySystemSession session, RemoteRepository repository)
065            throws NoTransporterException {
066        requireNonNull(session, "session cannot be null");
067        requireNonNull(repository, "repository cannot be null");
068
069        LOGGER.debug("Needs Java11+ to function");
070        throw new NoTransporterException(repository, "JDK Transport needs Java11+");
071    }
072}