es.molabs.io.utils.FileHelper.java Source code

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Here is the source code for es.molabs.io.utils.FileHelper.java

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/**
 * Copyright (C) 2016 Luis Moral Guerrero <luis.moral@gmail.com>
 *
 * 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.
 */
package es.molabs.io.utils;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Collection;
import java.util.Iterator;

import org.apache.commons.io.FileUtils;

public class FileHelper {
    private final static String EXTENSION_PROPERTIES = "properties";

    private FileHelper() {
    }

    public static URL[] getFiles(URL path) throws IOException {
        return getFiles(path, false, EXTENSION_PROPERTIES);
    }

    public static URL[] getFiles(URL path, boolean recursive) throws IOException {
        return getFiles(path, recursive, EXTENSION_PROPERTIES);
    }

    public static URL[] getFiles(URL path, boolean recursive, String... extensions) throws IOException {
        URL[] urls = null;

        try {
            Collection<File> fileCollection = FileUtils.listFiles(new File(path.toURI()), extensions, recursive);
            urls = new URL[fileCollection.size()];

            Iterator<File> iterator = fileCollection.iterator();
            int index = 0;
            while (iterator.hasNext()) {
                File file = iterator.next();

                urls[index++] = file.toURI().toURL();
            }
        } catch (URISyntaxException USe) {
            throw new IOException(USe);
        }

        return urls;
    }
}