de.greenrobot.common.io

Class IoUtils

java.lang.Object

de.greenrobot.common.io.IoUtils

public class IoUtils
extends Object

Utils for dealing with IO (streams, readers, ...).

Author:

Markus

Constructor Summary

Constructors

Constructor and Description
IoUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	copyAllBytes(InputStream in, OutputStream out) Copies all available data from in to out without closing any stream.
static byte[]	getDigest(InputStream in, String digestAlgo)
static String	getMd5(InputStream in)
static String	getSha1(InputStream in)
static byte[]	readAllBytes(InputStream in)
static byte[]	readAllBytesAndClose(InputStream in)
static String	readAllChars(Reader reader)
static String	readAllCharsAndClose(Reader reader)
static void	safeClose(InputStream in) Closes the given stream inside a try/catch.
static void	safeClose(OutputStream out) Closes the given stream inside a try/catch.
static void	safeClose(Reader in) Closes the given stream inside a try/catch.
static void	safeClose(Writer out) Closes the given stream inside a try/catch.
static void	updateChecksum(InputStream in, Checksum checksum)
static void	writeAllCharsAndClose(Writer writer, CharSequence text)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IoUtils

public IoUtils()

Method Detail

readAllBytes

public static byte[] readAllBytes(InputStream in)
                           throws IOException

Throws:

IOException

readAllBytesAndClose

public static byte[] readAllBytesAndClose(InputStream in)
                                   throws IOException

Throws:

IOException

readAllChars

public static String readAllChars(Reader reader)
                           throws IOException

Throws:

IOException

readAllCharsAndClose

public static String readAllCharsAndClose(Reader reader)
                                   throws IOException

Throws:

IOException

writeAllCharsAndClose

public static void writeAllCharsAndClose(Writer writer,
                         CharSequence text)
                                  throws IOException

Throws:

IOException

updateChecksum

public static void updateChecksum(InputStream in,
                  Checksum checksum)
                           throws IOException

Throws:

IOException

getMd5

public static String getMd5(InputStream in)
                     throws IOException

Returns:

MD5 digest (32 characters).

Throws:

IOException

getSha1

public static String getSha1(InputStream in)
                      throws IOException

Returns:

SHA-1 digest (40 characters).

Throws:

IOException

getDigest

public static byte[] getDigest(InputStream in,
               String digestAlgo)
                        throws IOException

Throws:

IOException

copyAllBytes

public static int copyAllBytes(InputStream in,
               OutputStream out)
                        throws IOException

Copies all available data from in to out without closing any stream.

Returns:

number of bytes copied

Throws:

IOException

safeClose

public static void safeClose(InputStream in)

Closes the given stream inside a try/catch. Does nothing if stream is null.

safeClose

public static void safeClose(OutputStream out)

Closes the given stream inside a try/catch. Does nothing if stream is null.

safeClose

public static void safeClose(Reader in)

Closes the given stream inside a try/catch. Does nothing if stream is null.

safeClose

public static void safeClose(Writer out)

Closes the given stream inside a try/catch. Does nothing if stream is null.