1 package org.eclipse.aether.spi.connector; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 import java.io.File; 23 24 import org.eclipse.aether.artifact.Artifact; 25 import org.eclipse.aether.transfer.ArtifactTransferException; 26 27 /** 28 * A download/upload of an artifact. 29 * 30 * @noextend This class is not intended to be extended by clients. 31 */ 32 public abstract class ArtifactTransfer 33 extends Transfer 34 { 35 36 private Artifact artifact; 37 38 private File file; 39 40 private ArtifactTransferException exception; 41 42 ArtifactTransfer() 43 { 44 // hide 45 } 46 47 /** 48 * Gets the artifact being transferred. 49 * 50 * @return The artifact being transferred or {@code null} if not set. 51 */ 52 public Artifact getArtifact() 53 { 54 return artifact; 55 } 56 57 /** 58 * Sets the artifact to transfer. 59 * 60 * @param artifact The artifact, may be {@code null}. 61 * @return This transfer for chaining, never {@code null}. 62 */ 63 public ArtifactTransfer setArtifact( Artifact artifact ) 64 { 65 this.artifact = artifact; 66 return this; 67 } 68 69 /** 70 * Gets the local file the artifact is downloaded to or uploaded from. In case of a download, a connector should 71 * first transfer the bytes to a temporary file and only overwrite the target file once the entire download is 72 * completed such that an interrupted/failed download does not corrupt the current file contents. 73 * 74 * @return The local file or {@code null} if not set. 75 */ 76 public File getFile() 77 { 78 return file; 79 } 80 81 /** 82 * Sets the local file the artifact is downloaded to or uploaded from. 83 * 84 * @param file The local file, may be {@code null}. 85 * @return This transfer for chaining, never {@code null}. 86 */ 87 public ArtifactTransfer setFile( File file ) 88 { 89 this.file = file; 90 return this; 91 } 92 93 /** 94 * Gets the exception that occurred during the transfer (if any). 95 * 96 * @return The exception or {@code null} if the transfer was successful. 97 */ 98 public ArtifactTransferException getException() 99 { 100 return exception; 101 } 102 103 /** 104 * Sets the exception that occurred during the transfer. 105 * 106 * @param exception The exception, may be {@code null} to denote a successful transfer. 107 * @return This transfer for chaining, never {@code null}. 108 */ 109 public ArtifactTransfer setException( ArtifactTransferException exception ) 110 { 111 this.exception = exception; 112 return this; 113 } 114 115 }