org.codehaus.plexus.compiler.util.scan.AbstractSourceInclusionScanner Maven / Gradle / Ivy

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package org.codehaus.plexus.compiler.util.scan;

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 *
 * Licensed 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.Collections;
import java.util.List;
import java.util.Set;

import org.codehaus.plexus.compiler.util.scan.mapping.SourceMapping;
import org.codehaus.plexus.util.DirectoryScanner;

/**
 * @author jdcasey
 */
public abstract class AbstractSourceInclusionScanner implements SourceInclusionScanner {
    private final List sourceMappings = new ArrayList<>();

    public final void addSourceMapping(SourceMapping sourceMapping) {
        sourceMappings.add(sourceMapping);
    }

    protected final List getSourceMappings() {
        return Collections.unmodifiableList(sourceMappings);
    }

    protected String[] scanForSources(File sourceDir, Set sourceIncludes, Set sourceExcludes) {
        DirectoryScanner ds = new DirectoryScanner();
        ds.setFollowSymlinks(true);
        ds.setBasedir(sourceDir);

        String[] includes;
        if (sourceIncludes.isEmpty()) {
            includes = new String[0];
        } else {
            includes = sourceIncludes.toArray(new String[0]);
        }

        ds.setIncludes(includes);

        String[] excludes;
        if (sourceExcludes.isEmpty()) {
            excludes = new String[0];
        } else {
            excludes = sourceExcludes.toArray(new String[0]);
        }

        ds.setExcludes(excludes);
        ds.addDefaultExcludes();

        ds.scan();

        return ds.getIncludedFiles();
    }
}