001package org.eclipse.aether.internal.impl.collect; 002 003/* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022import org.eclipse.aether.impl.ArtifactDescriptorReader; 023import org.eclipse.aether.impl.DependencyCollector; 024import org.eclipse.aether.impl.RemoteRepositoryManager; 025import org.eclipse.aether.impl.VersionRangeResolver; 026import org.eclipse.aether.spi.locator.ServiceLocator; 027import org.slf4j.Logger; 028import org.slf4j.LoggerFactory; 029 030import static java.util.Objects.requireNonNull; 031 032/** 033 * Helper class for delegate implementations, they MUST subclass this class. 034 * 035 * @since 1.8.0 036 */ 037public abstract class DependencyCollectorDelegate implements DependencyCollector 038{ 039 protected static final String CONFIG_PROP_MAX_EXCEPTIONS = "aether.dependencyCollector.maxExceptions"; 040 041 protected static final int CONFIG_PROP_MAX_EXCEPTIONS_DEFAULT = 50; 042 043 protected static final String CONFIG_PROP_MAX_CYCLES = "aether.dependencyCollector.maxCycles"; 044 045 protected static final int CONFIG_PROP_MAX_CYCLES_DEFAULT = 10; 046 047 protected final Logger logger = LoggerFactory.getLogger( getClass() ); 048 049 protected RemoteRepositoryManager remoteRepositoryManager; 050 051 protected ArtifactDescriptorReader descriptorReader; 052 053 protected VersionRangeResolver versionRangeResolver; 054 055 public DependencyCollectorDelegate() 056 { 057 // enables default constructor 058 } 059 060 protected DependencyCollectorDelegate( RemoteRepositoryManager remoteRepositoryManager, 061 ArtifactDescriptorReader artifactDescriptorReader, 062 VersionRangeResolver versionRangeResolver ) 063 { 064 setRemoteRepositoryManager( remoteRepositoryManager ); 065 setArtifactDescriptorReader( artifactDescriptorReader ); 066 setVersionRangeResolver( versionRangeResolver ); 067 } 068 069 public void initService( ServiceLocator locator ) 070 { 071 setRemoteRepositoryManager( locator.getService( RemoteRepositoryManager.class ) ); 072 setArtifactDescriptorReader( locator.getService( ArtifactDescriptorReader.class ) ); 073 setVersionRangeResolver( locator.getService( VersionRangeResolver.class ) ); 074 } 075 076 public DependencyCollector setRemoteRepositoryManager( RemoteRepositoryManager remoteRepositoryManager ) 077 { 078 this.remoteRepositoryManager = 079 requireNonNull( remoteRepositoryManager, "remote repository manager cannot be null" ); 080 return this; 081 } 082 083 public DependencyCollector setArtifactDescriptorReader( ArtifactDescriptorReader artifactDescriptorReader ) 084 { 085 descriptorReader = requireNonNull( artifactDescriptorReader, "artifact descriptor reader cannot be null" ); 086 return this; 087 } 088 089 public DependencyCollector setVersionRangeResolver( VersionRangeResolver versionRangeResolver ) 090 { 091 this.versionRangeResolver = 092 requireNonNull( versionRangeResolver, "version range resolver cannot be null" ); 093 return this; 094 } 095 096}