uk.co.modularaudio.util.io.IOUtils.java Source code

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Here is the source code for uk.co.modularaudio.util.io.IOUtils.java

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/**
 *
 * Copyright (C) 2015 - Daniel Hams, Modular Audio Limited
 *                      daniel.hams@gmail.com
 *
 * Mad is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Mad is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Mad.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package uk.co.modularaudio.util.io;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.nio.file.FileSystems;
import java.nio.file.Files;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public final class IOUtils {
    private static Log log = LogFactory.getLog(IOUtils.class);

    public static void writeUTF8(final String filePath, final String content) throws IOException {
        Files.write(FileSystems.getDefault().getPath(filePath), content.getBytes(StandardCharsets.UTF_8));
    }

    public static String basicReadInputStreamUTF8(final InputStream inputStream) throws IOException {
        return basicReadInputStreamUTF8(inputStream, true);
    }

    public static String basicReadInputStreamUTF8(final InputStream inputStream, final boolean trailingNewline)
            throws IOException {
        BufferedReader br = null;
        final StringBuilder out = new StringBuilder();

        boolean doneFirst = false;

        try {
            br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
            String line;

            while ((line = br.readLine()) != null) {
                if (doneFirst) {
                    out.append('\n');
                }
                out.append(line);
                doneFirst = true;
            }
        } finally {
            try {
                br.close();
            } catch (final Exception e) {
                log.error(e);
            }
        }
        if (trailingNewline && doneFirst) {
            out.append('\n');
        }

        return out.toString();
    }

    public static String basicReadFileUTF8(final String headerFilename) throws IOException {
        return basicReadFileUTF8(headerFilename, true);
    }

    public static String basicReadFileUTF8(final String headerFilename, final boolean trailingNewline)
            throws IOException {
        return basicReadInputStreamUTF8(new FileInputStream(new File(headerFilename)), trailingNewline);
    }
}