src/main/java/org/apache/maven/shared/utils/io/conductor/EnforceExcludesOverIncludes.java

package org.apache.maven.shared.utils.io.conductor;

/*
 * 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.shared.utils.io.DirectoryScanner;
import org.apache.maven.shared.utils.io.MatchPatterns;
import org.apache.maven.shared.utils.io.ScanConductor;
import org.apache.maven.shared.utils.io.ScannerAware;

import java.io.File;

/**
 * If an exclude is defined on a folder it does not visit of the children
 * even if some include can match children.
 */
public class EnforceExcludesOverIncludes implements ScanConductor, ScannerAware
{
    private MatchPatterns excludes;

    @Override
    public ScanAction visitDirectory( final String name, final File directory )
    {
        if ( excludes.matches( name, true ) )
        {
            return ScanAction.NO_RECURSE;
        }
        return ScanAction.CONTINUE;
    }

    @Override
    public ScanAction visitFile( final String name, final File file )
    {
        return ScanAction.CONTINUE;
    }

    @Override
    public void setDirectoryScanner( final DirectoryScanner scanner )
    {
        excludes = scanner.getExcludesPatterns();
    }
}