maven-surefire-common/src/main/java/org/apache/maven/plugin/surefire/util/DirectoryScanner.java

package org.apache.maven.plugin.surefire.util;

/*
 * 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 java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.apache.maven.surefire.api.testset.TestListResolver;
import org.apache.maven.surefire.api.util.DefaultScanResult;

/**
 * Scans directories looking for tests.
 *
 * @author Karl M. Davis
 * @author Kristian Rosenvold
 */
public class DirectoryScanner
{
    private final File basedir;

    private final TestListResolver filter;

    public DirectoryScanner( File basedir, TestListResolver filter )
    {
        this.basedir = basedir;
        this.filter = filter;
    }

    public DefaultScanResult scan()
    {
        FileScanner scanner = new FileScanner( basedir, "class" );
        List<String> result = new ArrayList<>();
        scanner.scanTo( result, filter );
        return new DefaultScanResult( result );
    }
}