org.greenrobot.essentials.io

Class IoUtils

java.lang.Object

org.greenrobot.essentials.io.IoUtils

public class IoUtils
extends java.lang.Object

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

Constructor Summary

Constructors

Constructor and Description
IoUtils()

Method Summary

Modifier and Type	Method and Description
static int	copyAllBytes(java.io.InputStream in, java.io.OutputStream out) Copies all available data from in to out without closing any stream.
static byte[]	getDigest(java.io.InputStream in, java.lang.String digestAlgo)
static java.lang.String	getMd5(java.io.InputStream in)
static java.lang.String	getSha1(java.io.InputStream in)
static byte[]	readAllBytes(java.io.InputStream in)
static byte[]	readAllBytesAndClose(java.io.InputStream in)
static java.lang.String	readAllChars(java.io.Reader reader)
static java.lang.String	readAllCharsAndClose(java.io.Reader reader)
static void	safeClose(java.io.Closeable closeable) Closes the given resource (e.g. stream, reader, writer, etc.) inside a try/catch.
static void	updateChecksum(java.io.InputStream in, java.util.zip.Checksum checksum)
static void	writeAllCharsAndClose(java.io.Writer writer, java.lang.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(java.io.InputStream in)
                           throws java.io.IOException

Throws:

java.io.IOException

readAllBytesAndClose

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

Throws:

java.io.IOException

readAllChars

public static java.lang.String readAllChars(java.io.Reader reader)
                                     throws java.io.IOException

Throws:

java.io.IOException

readAllCharsAndClose

public static java.lang.String readAllCharsAndClose(java.io.Reader reader)
                                             throws java.io.IOException

Throws:

java.io.IOException

writeAllCharsAndClose

public static void writeAllCharsAndClose(java.io.Writer writer,
                                         java.lang.CharSequence text)
                                  throws java.io.IOException

Throws:

java.io.IOException

updateChecksum

public static void updateChecksum(java.io.InputStream in,
                                  java.util.zip.Checksum checksum)
                           throws java.io.IOException

Throws:

java.io.IOException

getMd5

public static java.lang.String getMd5(java.io.InputStream in)
                               throws java.io.IOException

Returns:

MD5 digest (32 characters).

Throws:

java.io.IOException

getSha1

public static java.lang.String getSha1(java.io.InputStream in)
                                throws java.io.IOException

Returns:

SHA-1 digest (40 characters).

Throws:

java.io.IOException

getDigest

public static byte[] getDigest(java.io.InputStream in,
                               java.lang.String digestAlgo)
                        throws java.io.IOException

Throws:

java.io.IOException

copyAllBytes

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

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

Returns:

number of bytes copied

Throws:

java.io.IOException

safeClose

public static void safeClose(java.io.Closeable closeable)

Closes the given resource (e.g. stream, reader, writer, etc.) inside a try/catch. Does nothing if stream is null.