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.util.graph.version; 020 021import java.util.Iterator; 022 023import org.eclipse.aether.collection.DependencyCollectionContext; 024import org.eclipse.aether.collection.VersionFilter; 025import org.eclipse.aether.version.Version; 026 027/** 028 * A version filter that (unconditionally) blocks "*-SNAPSHOT" versions. For practical purposes, 029 * {@link ContextualSnapshotVersionFilter} is usually more desirable. 030 */ 031public final class SnapshotVersionFilter implements VersionFilter { 032 033 /** 034 * Creates a new instance of this version filter. 035 */ 036 public SnapshotVersionFilter() {} 037 038 public void filterVersions(VersionFilterContext context) { 039 for (Iterator<Version> it = context.iterator(); it.hasNext(); ) { 040 String version = it.next().toString(); 041 if (version.endsWith("SNAPSHOT")) { 042 it.remove(); 043 } 044 } 045 } 046 047 public VersionFilter deriveChildFilter(DependencyCollectionContext context) { 048 return this; 049 } 050 051 @Override 052 public boolean equals(Object obj) { 053 if (this == obj) { 054 return true; 055 } else if (null == obj || !getClass().equals(obj.getClass())) { 056 return false; 057 } 058 return true; 059 } 060 061 @Override 062 public int hashCode() { 063 return getClass().hashCode(); 064 } 065}