org.apache.maven.profiles.activation.JdkPrefixProfileActivator Maven / Gradle / Ivy

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This library is used to not only read Maven project object model files, but to assemble inheritence and to retrieve remote models as required.

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package org.apache.maven.profiles.activation;

/*
 * 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.model.Activation;
import org.apache.maven.model.Profile;
import org.codehaus.plexus.util.StringUtils;

public class JdkPrefixProfileActivator
    extends DetectedProfileActivator
{
    private static final String JDK_VERSION = System.getProperty( "java.version" );

    public boolean isActive( Profile profile )
    {
        Activation activation = profile.getActivation();

        String jdk = activation.getJdk();
        
        boolean reverse = false;
        
        if ( jdk.startsWith( "!" ) )
        {
            reverse = true;
            jdk = jdk.substring( 1 );
        }

        // null case is covered by canDetermineActivation(), so we can do a straight startsWith() here.
        boolean result = JDK_VERSION.startsWith( jdk );
        
        if ( reverse )
        {
            return !result;
        }
        else
        {
            return result;
        }
    }

    protected boolean canDetectActivation( Profile profile )
    {
        return profile.getActivation() != null && StringUtils.isNotEmpty( profile.getActivation().getJdk() );
    }

}