| /* |
| * 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 org.eclipse.aether.transport.wagon; |
| |
| import org.apache.maven.wagon.Wagon; |
| |
| /** |
| * A component to acquire and release wagon instances for uploads/downloads. |
| */ |
| public interface WagonProvider |
| { |
| |
| /** |
| * Acquires a wagon instance that matches the specified role hint. The role hint is derived from the URI scheme, |
| * e.g. "http" or "file". |
| * |
| * @param roleHint The role hint to get a wagon for, must not be {@code null}. |
| * @return The requested wagon instance, never {@code null}. |
| * @throws Exception If no wagon could be retrieved for the specified role hint. |
| */ |
| Wagon lookup( String roleHint ) |
| throws Exception; |
| |
| /** |
| * Releases the specified wagon. A wagon provider may either free any resources allocated for the wagon instance or |
| * return the instance back to a pool for future use. |
| * |
| * @param wagon The wagon to release, may be {@code null}. |
| */ |
| void release( Wagon wagon ); |
| |
| } |