Apache POI - Common 5.3.0 · org.apache.poi.util.HexDump

Modifier and Type	Field and Description
public static final String	EOL
public static final Charset	UTF8

Access	Constructor and Description
private	HexDump()

Method Summary

Modifier and Type	Method and Description
public static String	Returns: string of 2 (zero padded) uppercase hex chars and prefixed with '0x' byteToHex(int value)
public static void	dump(final byte[] the byte array to be dumped data, final long its offset, whatever that might mean offset, final OutputStream the OutputStream to which the data is to be written stream, final int initial index into the byte array index, final int number of characters to output length) dump an array of bytes to an OutputStream
public static synchronized void	dump(final byte[] the byte array to be dumped data, final long its offset, whatever that might mean offset, final OutputStream the OutputStream to which the data is to be written stream, final int initial index into the byte array index) dump an array of bytes to an OutputStream
public static String	Returns: output string dump(final byte[] the byte array to be dumped data, final long its offset, whatever that might mean offset, final int initial index into the byte array index) dump an array of bytes to a String
public static String	Returns: output string dump(final byte[] the byte array to be dumped data, final long its offset, whatever that might mean offset, final int initial index into the byte array index, final int number of characters to output length) dump an array of bytes to a String
public static String	Returns: string of 8 (zero padded) uppercase hex chars and prefixed with '0x' intToHex(int value)
public static String	Returns: string of 16 (zero padded) uppercase hex chars and prefixed with '0x' longToHex(long value)
public static String	Returns: string of 4 (zero padded) uppercase hex chars and prefixed with '0x' shortToHex(int value)
public static char	toAscii(int dataB)
public static String	Returns: A String representing the array of bytes toHex(final byte[] The value to convert value) Converts the parameter to a hex value.
public static String	Returns: The result right padded with 0 toHex(short The value to convert value) Converts the parameter to a hex value.
public static String	Returns: The result right padded with 0 toHex(byte The value to convert value) Converts the parameter to a hex value.
public static String	Returns: The result right padded with 0 toHex(int The value to convert value) Converts the parameter to a hex value.
public static String	Returns: The result right padded with 0 toHex(long The value to convert value) Converts the parameter to a hex value.
private static void	writeHex(StringBuilder sb, long value, int nDigits, String prefix)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

EOL	back to summary
public static final String EOL

UTF8	back to summary
public static final Charset UTF8

HexDump	back to summary
private HexDump()

Method Detail

byteToHex	back to summary
public static String byteToHex(int value) Returns:String string of 2 (zero padded) uppercase hex chars and prefixed with '0x'

dump	back to summary
public static void dump(final byte[] data, final long offset, final OutputStream stream, final int index, final int length) throws IOException, ArrayIndexOutOfBoundsException, IllegalArgumentException dump an array of bytes to an OutputStream Parameters data:byte[] the byte array to be dumped offset:long its offset, whatever that might mean stream:OutputStream the OutputStream to which the data is to be written index:int initial index into the byte array length:int number of characters to output Exceptions IOException: is thrown if anything goes wrong writing the data to stream ArrayIndexOutOfBoundsException: if the index is outside the data array's bounds IllegalArgumentException: if the output stream is null

dump

back to summary

public static void dump(final byte[] data, final long offset, final OutputStream stream, final int index, final int length) throws IOException, ArrayIndexOutOfBoundsException, IllegalArgumentException

dump an array of bytes to an OutputStream

Parameters

data:byte[]: the byte array to be dumped
offset:long: its offset, whatever that might mean
stream:OutputStream: the OutputStream to which the data is to be written
index:int: initial index into the byte array
length:int: number of characters to output

Exceptions

IOException:: is thrown if anything goes wrong writing the data to stream
ArrayIndexOutOfBoundsException:: if the index is outside the data array's bounds
IllegalArgumentException:: if the output stream is null

dump	back to summary
public static synchronized void dump(final byte[] data, final long offset, final OutputStream stream, final int index) throws IOException, ArrayIndexOutOfBoundsException, IllegalArgumentException dump an array of bytes to an OutputStream Parameters data:byte[] the byte array to be dumped offset:long its offset, whatever that might mean stream:OutputStream the OutputStream to which the data is to be written index:int initial index into the byte array Exceptions IOException: is thrown if anything goes wrong writing the data to stream ArrayIndexOutOfBoundsException: if the index is outside the data array's bounds IllegalArgumentException: if the output stream is null

dump

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public static synchronized void dump(final byte[] data, final long offset, final OutputStream stream, final int index) throws IOException, ArrayIndexOutOfBoundsException, IllegalArgumentException

dump an array of bytes to an OutputStream

Parameters

data:byte[]: the byte array to be dumped
offset:long: its offset, whatever that might mean
stream:OutputStream: the OutputStream to which the data is to be written
index:int: initial index into the byte array

Exceptions

IOException:: is thrown if anything goes wrong writing the data to stream
ArrayIndexOutOfBoundsException:: if the index is outside the data array's bounds
IllegalArgumentException:: if the output stream is null

dump	back to summary
public static String dump(final byte[] data, final long offset, final int index) dump an array of bytes to a String Parameters data:byte[] the byte array to be dumped offset:long its offset, whatever that might mean index:int initial index into the byte array Returns:String output string Exceptions ArrayIndexOutOfBoundsException: if the index is outside the data array's bounds

dump

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public static String dump(final byte[] data, final long offset, final int index)

dump an array of bytes to a String

Parameters

data:byte[]: the byte array to be dumped
offset:long: its offset, whatever that might mean
index:int: initial index into the byte array

Returns:String

output string

Exceptions

ArrayIndexOutOfBoundsException:: if the index is outside the data array's bounds

dump	back to summary
public static String dump(final byte[] data, final long offset, final int index, final int length) dump an array of bytes to a String Parameters data:byte[] the byte array to be dumped offset:long its offset, whatever that might mean index:int initial index into the byte array length:int number of characters to output Returns:String output string Exceptions ArrayIndexOutOfBoundsException: if the index is outside the data array's bounds

dump

back to summary

public static String dump(final byte[] data, final long offset, final int index, final int length)

dump an array of bytes to a String

Parameters

data:byte[]: the byte array to be dumped
offset:long: its offset, whatever that might mean
index:int: initial index into the byte array
length:int: number of characters to output

Returns:String

output string

Exceptions

ArrayIndexOutOfBoundsException:: if the index is outside the data array's bounds

intToHex	back to summary
public static String intToHex(int value) Returns:String string of 8 (zero padded) uppercase hex chars and prefixed with '0x'

longToHex	back to summary
public static String longToHex(long value) Returns:String string of 16 (zero padded) uppercase hex chars and prefixed with '0x'

shortToHex	back to summary
public static String shortToHex(int value) Returns:String string of 4 (zero padded) uppercase hex chars and prefixed with '0x'

toAscii	back to summary
public static char toAscii(int dataB)

toHex	back to summary
public static String toHex(final byte[] value) Converts the parameter to a hex value. Parameters value:byte[] The value to convert Returns:String A String representing the array of bytes

toHex

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public static String toHex(final byte[] value)

Converts the parameter to a hex value.

Parameters

value:byte[]: The value to convert

Returns:String

A String representing the array of bytes

toHex	back to summary
public static String toHex(short value) Converts the parameter to a hex value. Parameters value:short The value to convert Returns:String The result right padded with 0

toHex

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public static String toHex(short value)

Converts the parameter to a hex value.

Parameters

value:short: The value to convert

Returns:String

The result right padded with 0

toHex	back to summary
public static String toHex(byte value) Converts the parameter to a hex value. Parameters value:byte The value to convert Returns:String The result right padded with 0

toHex

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public static String toHex(byte value)

Converts the parameter to a hex value.

Parameters

value:byte: The value to convert

Returns:String

The result right padded with 0

toHex	back to summary
public static String toHex(int value) Converts the parameter to a hex value. Parameters value:int The value to convert Returns:String The result right padded with 0

toHex

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public static String toHex(int value)

Converts the parameter to a hex value.

Parameters

value:int: The value to convert

Returns:String

The result right padded with 0

toHex	back to summary
public static String toHex(long value) Converts the parameter to a hex value. Parameters value:long The value to convert Returns:String The result right padded with 0

toHex

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public static String toHex(long value)

Converts the parameter to a hex value.

Parameters

value:long: The value to convert

Returns:String

The result right padded with 0

writeHex	back to summary
private static void writeHex(StringBuilder sb, long value, int nDigits, String prefix) See Also `Integer#toHexString(int)`, `Long#toHexString(long)`

public final Class HexDump

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Field Detail

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