001package org.apache.maven.artifact.resolver.filter;
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
022/**
023 * Filter to only retain objects in the given artifactScope or better.
024 *
025 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
026 */
027public class ScopeArtifactFilter
028    extends AbstractScopeArtifactFilter
029{
030
031    private final String scope;
032
033    public ScopeArtifactFilter( String scope )
034    {
035        this.scope = scope;
036
037        addScopeInternal( scope );
038    }
039
040    public String getScope()
041    {
042        return scope;
043    }
044
045    @Override
046    public int hashCode()
047    {
048        int hash = 17;
049
050        hash = hash * 31 + ( scope != null ? scope.hashCode() : 0 );
051
052        return hash;
053    }
054
055    @Override
056    public boolean equals( Object obj )
057    {
058        if ( this == obj )
059        {
060            return true;
061        }
062
063        if ( !( obj instanceof ScopeArtifactFilter ) )
064        {
065            return false;
066        }
067
068        ScopeArtifactFilter other = (ScopeArtifactFilter) obj;
069
070        return equals( scope, other.scope );
071    }
072
073    private static <T> boolean equals( T str1, T str2 )
074    {
075        return str1 != null ? str1.equals( str2 ) : str2 == null;
076    }
077
078}