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org.codehaus.groovy.grails.io.support
[Java] Class IOUtils

java.lang.Object
  org.codehaus.groovy.grails.io.support.IOUtils

@java.lang.SuppressWarnings("unchecked")
public class IOUtils
extends java.lang.Object

Simple utility methods for file and stream copying. All copy methods use a block size of 4096 bytes, and close all affected streams when done.

Mainly for use within the framework, but also useful for application code.

Authors:
Juergen Hoeller
Since:
06.10.2003

Field Summary
static int BUFFER_SIZE

 
Method Summary
static java.lang.Object[] addAll(java.lang.Object[] array1, java.lang.Object[] array2)

Adds the contents of 1 array to another
static java.lang.String byteArrayToHexString(byte[] in)

Convert a byte[] array to readable string format.

static java.lang.String computeChecksum(java.io.File f, java.lang.String algorithm)

static int copy(java.io.File in, java.io.File out)

Copy the contents of the given input File to the given output File.
static void copy(byte[] in, java.io.File out)

static int copy(java.io.InputStream in, java.io.OutputStream out)

static void copy(byte[] in, java.io.OutputStream out)

Copy the contents of the given byte array to the given OutputStream.

static int copy(java.io.Reader in, java.io.Writer out)

static void copy(java.lang.String in, java.io.Writer out)

Copy the contents of the given String to the given output Writer.

static byte[] copyToByteArray(java.io.File in)

static byte[] copyToByteArray(java.io.InputStream in)

static java.lang.String copyToString(java.io.Reader in)

 
Methods inherited from class java.lang.Object
java.lang.Object#wait(), java.lang.Object#wait(long), java.lang.Object#wait(long, int), java.lang.Object#equals(java.lang.Object), java.lang.Object#toString(), java.lang.Object#hashCode(), java.lang.Object#getClass(), java.lang.Object#notify(), java.lang.Object#notifyAll()
 

Field Detail

BUFFER_SIZE

public static final int BUFFER_SIZE

 
Method Detail

addAll

public static java.lang.Object[] addAll(java.lang.Object[] array1, java.lang.Object[] array2)
Adds the contents of 1 array to another
Parameters:
array1 - The target array
array2 - The source array
Returns:
The new array

byteArrayToHexString

public static java.lang.String byteArrayToHexString(byte[] in)
Convert a byte[] array to readable string format. This makes the "hex" readable!
Parameters:
in - byte[] buffer to convert to string format
Returns:
result String buffer in String format

computeChecksum

public static java.lang.String computeChecksum(java.io.File f, java.lang.String algorithm)

copy

public static int copy(java.io.File in, java.io.File out)
Copy the contents of the given input File to the given output File.
throws:
java.io.IOException in case of I/O errors
Parameters:
in - the file to copy from
out - the file to copy to
Returns:
the number of bytes copied

copy

public static void copy(byte[] in, java.io.File out)

copy

public static int copy(java.io.InputStream in, java.io.OutputStream out)

copy

public static void copy(byte[] in, java.io.OutputStream out)
Copy the contents of the given byte array to the given OutputStream. Closes the stream when done.
throws:
IOException in case of I/O errors
Parameters:
in - the byte array to copy from
out - the OutputStream to copy to

copy

public static int copy(java.io.Reader in, java.io.Writer out)

copy

public static void copy(java.lang.String in, java.io.Writer out)
Copy the contents of the given String to the given output Writer. Closes the write when done.
throws:
IOException in case of I/O errors
Parameters:
in - the String to copy from
out - the Writer to copy to

copyToByteArray

public static byte[] copyToByteArray(java.io.File in)

copyToByteArray

public static byte[] copyToByteArray(java.io.InputStream in)

copyToString

public static java.lang.String copyToString(java.io.Reader in)

 

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