001package org.eclipse.aether.util.graph.version; 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 java.util.Iterator; 023 024import org.eclipse.aether.collection.DependencyCollectionContext; 025import org.eclipse.aether.collection.VersionFilter; 026import org.eclipse.aether.version.Version; 027 028/** 029 * A version filter that (unconditionally) blocks "*-SNAPSHOT" versions. For practical purposes, 030 * {@link ContextualSnapshotVersionFilter} is usually more desirable. 031 */ 032public final class SnapshotVersionFilter 033 implements VersionFilter 034{ 035 036 /** 037 * Creates a new instance of this version filter. 038 */ 039 public SnapshotVersionFilter() 040 { 041 } 042 043 public void filterVersions( VersionFilterContext context ) 044 { 045 for ( Iterator<Version> it = context.iterator(); it.hasNext(); ) 046 { 047 String version = it.next().toString(); 048 if ( version.endsWith( "SNAPSHOT" ) ) 049 { 050 it.remove(); 051 } 052 } 053 } 054 055 public VersionFilter deriveChildFilter( DependencyCollectionContext context ) 056 { 057 return this; 058 } 059 060 @Override 061 public boolean equals( Object obj ) 062 { 063 if ( this == obj ) 064 { 065 return true; 066 } 067 else if ( null == obj || !getClass().equals( obj.getClass() ) ) 068 { 069 return false; 070 } 071 return true; 072 } 073 074 @Override 075 public int hashCode() 076 { 077 return getClass().hashCode(); 078 } 079 080}