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package org.apache.maven.toolchain;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.artifact.versioning.VersionRange;
/**
*
* @author mkleint
*/
public final class RequirementMatcherFactory
{
private RequirementMatcherFactory()
{
}
public static RequirementMatcher createExactMatcher( String provideValue )
{
return new ExactMatcher( provideValue );
}
public static RequirementMatcher createVersionMatcher( String provideValue )
{
return new VersionMatcher( provideValue );
}
private static final class ExactMatcher
implements RequirementMatcher
{
private String provides;
private ExactMatcher( String provides )
{
this.provides = provides;
}
@Override
public boolean matches( String requirement )
{
return provides.equalsIgnoreCase( requirement );
}
@Override
public String toString()
{
return provides;
}
}
private static final class VersionMatcher
implements RequirementMatcher
{
DefaultArtifactVersion version;
private VersionMatcher( String version )
{
this.version = new DefaultArtifactVersion( version );
}
@Override
public boolean matches( String requirement )
{
try
{
VersionRange range = VersionRange.createFromVersionSpec( requirement );
if ( range.hasRestrictions() )
{
return range.containsVersion( version );
}
else
{
return range.getRecommendedVersion().compareTo( version ) == 0;
}
}
catch ( InvalidVersionSpecificationException ex )
{
//TODO error reporting
ex.printStackTrace();
return false;
}
}
@Override
public String toString()
{
return version.toString();
}
}
}
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