Class IOUtils

src/main/java/org/apache/commons/io/IOUtils.java:100–3078

General IO stream manipulation utilities. This class provides static utility methods for input/output operations. closeQuietly - these methods close a stream ignoring nulls and exceptions toXxx/read - these methods read data from a stream write - these methods write data to a st

 * @version $Id$
 */
public class IOUtils {
    // NOTE: This class is focused on InputStream, OutputStream, Reader and
    // Writer. Each method should take at least one of these as a parameter,
    // or return one of them.

    /**
     * Represents the end-of-file (or stream).
     * @since 2.5 (made public)
     */
    public static final int EOF = -1;

    /**
     * The Unix directory separator character.
     */
    public static final char DIR_SEPARATOR_UNIX = '/';
    /**
     * The Windows directory separator character.
     */
    public static final char DIR_SEPARATOR_WINDOWS = '\\';
    /**
     * The system directory separator character.
     */
    public static final char DIR_SEPARATOR = File.separatorChar;
    /**
     * The Unix line separator string.
     */
    public static final String LINE_SEPARATOR_UNIX = "\n";
    /**
     * The Windows line separator string.
     */
    public static final String LINE_SEPARATOR_WINDOWS = "\r\n";
    /**
     * The system line separator string.
     */
    public static final String LINE_SEPARATOR;

    static {
        // avoid security issues
        final StringBuilderWriter buf = new StringBuilderWriter(4);
        final PrintWriter out = new PrintWriter(buf);
        out.println();
        LINE_SEPARATOR = buf.toString();
        out.close();
    }

    /**
     * The default buffer size ({@value}) to use for
     * {@link #copyLarge(InputStream, OutputStream)}
     * and
     * {@link #copyLarge(Reader, Writer)}
     */
    private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;

    /**
     * The default buffer size to use for the skip() methods.
     */
    private static final int SKIP_BUFFER_SIZE = 2048;