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/**
 * Copyright (c) 2011-2014, Qulice.com
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met: 1) Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer. 2) Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials provided
 * with the distribution. 3) Neither the name of the Qulice.com nor
 * the names of its contributors may be used to endorse or promote
 * products derived from this software without specific prior written
 * permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.qulice.pmd;

import com.qulice.spi.Environment;
import java.io.File;
import java.util.Collection;
import java.util.LinkedList;
import net.sourceforge.pmd.util.datasource.DataSource;
import net.sourceforge.pmd.util.datasource.FileDataSource;

/**
 * Contains methods to work with source files.
 *
 * @author Dmitry Bashkin ([email protected])
 * @version $Id$
 */
@SuppressWarnings("PMD.AvoidInstantiatingObjectsInLoops")
public final class Files {
    /**
     * Get full list of files to process.
     * @param environment The environment.
     * @return Collection of data sources.
     * @see #validate()
     */
    public Collection getSources(final Environment environment) {
        final Collection sources = new LinkedList();
        for (final File file : environment.files("*.java")) {
            sources.add(new FileDataSource(file));
        }
        return sources;
    }
}