Apache PDFBox 3.0.4 · org.apache.pdfbox.util.Hex · APIdia, the JavaDoc alternative

Modifier and Type	Field and Description
private static final byte[]	HEX_BYTES for hex conversion.
private static final char[]	HEX_CHARS
private static final Log	LOG

Access	Constructor and Description
private	Hex()

Method Summary

Modifier and Type	Method and Description
public static byte[]	Returns: the decoded String as a byte array. decodeBase64(String a base64 encoded String. base64Value) Decode a base64 String.
public static byte[]	Returns: decoded byte array. decodeHex(String A String with ASCII hex. s) Decodes a hex String into a byte array.
public static byte[]	Returns: the ASCII hex encoding of the given byte getBytes(byte the byte to be converted b) Returns the bytes corresponding to the ASCII hex encoding of the given byte.
public static byte[]	Returns: the ASCII hex encoding of the given bytes getBytes(byte[] the bytey to be converted bytes) Returns the bytes corresponding to the ASCII hex encoding of the given bytes.
public static char[]	Returns: the ASCII hex encoding of the given short value getChars(short the short value to be converted num) Returns the characters corresponding to the ASCII hex encoding of the given short.
public static char[]	Returns: The string converted to hex getCharsUTF16BE(String The string to convert text) Takes the characters in the given string, convert it to bytes in UTF16-BE format and build a char array that corresponds to the ASCII hex encoding of the resulting bytes.
private static int	Returns: the high nibble getHighNibble(byte the given byte b) Get the high nibble of the given byte.
private static int	Returns: the low nibble getLowNibble(byte the given byte b) Get the low nibble of the given byte.
public static String	Returns: the hex string representing the given byte getString(byte the byte to be converted b) Returns a hex string of the given byte.
public static String	Returns: the hex string representing the given bytes getString(byte[] the bytes to be converted bytes) Returns a hex string of the given byte array.
public static void	writeHexByte(byte the byte to be written b, OutputStream the output stream to be written to output) Writes the given byte as hex value to the given output stream.
public static void	writeHexBytes(byte[] the byte array to be written bytes, OutputStream the output stream to be written to output) Writes the given byte array as hex value to the given output stream.

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

HEX_BYTES	back to summary
private static final byte[] HEX_BYTES for hex conversion. https://stackoverflow.com/questions/2817752/java-code-to-convert-byte-to-hexadecimal

HEX_CHARS	back to summary
private static final char[] HEX_CHARS

LOG	back to summary
private static final Log LOG

Hex	back to summary
private Hex()

Method Detail

decodeBase64	back to summary
public static byte[] decodeBase64(String base64Value) Decode a base64 String. Parameters base64Value:String a base64 encoded String. Returns:byte[] the decoded String as a byte array. Exceptions IllegalArgumentException: if this isn't a base64 encoded string.

decodeBase64

back to summary

public static byte[] decodeBase64(String base64Value)

Decode a base64 String.

Parameters

base64Value:String: a base64 encoded String.

Returns:byte[]

the decoded String as a byte array.

Exceptions

IllegalArgumentException:: if this isn't a base64 encoded string.

decodeHex	back to summary
public static byte[] decodeHex(String s) Decodes a hex String into a byte array. Parameters s:String A String with ASCII hex. Returns:byte[] decoded byte array.

decodeHex

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public static byte[] decodeHex(String s)

Decodes a hex String into a byte array.

Parameters

s:String: A String with ASCII hex.

Returns:byte[]

decoded byte array.

getBytes	back to summary
public static byte[] getBytes(byte b) Returns the bytes corresponding to the ASCII hex encoding of the given byte. Parameters b:byte the byte to be converted Returns:byte[] the ASCII hex encoding of the given byte

getBytes

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public static byte[] getBytes(byte b)

Returns the bytes corresponding to the ASCII hex encoding of the given byte.

Parameters

b:byte: the byte to be converted

Returns:byte[]

the ASCII hex encoding of the given byte

getBytes	back to summary
public static byte[] getBytes(byte[] bytes) Returns the bytes corresponding to the ASCII hex encoding of the given bytes. Parameters bytes:byte[] the bytey to be converted Returns:byte[] the ASCII hex encoding of the given bytes

getBytes

back to summary

public static byte[] getBytes(byte[] bytes)

Returns the bytes corresponding to the ASCII hex encoding of the given bytes.

Parameters

bytes:byte[]: the bytey to be converted

Returns:byte[]

the ASCII hex encoding of the given bytes

getChars	back to summary
public static char[] getChars(short num) Returns the characters corresponding to the ASCII hex encoding of the given short. Parameters num:short the short value to be converted Returns:char[] the ASCII hex encoding of the given short value

getChars

back to summary

public static char[] getChars(short num)

Returns the characters corresponding to the ASCII hex encoding of the given short.

Parameters

num:short: the short value to be converted

Returns:char[]

the ASCII hex encoding of the given short value

getCharsUTF16BE	back to summary
public static char[] getCharsUTF16BE(String text) Takes the characters in the given string, convert it to bytes in UTF16-BE format and build a char array that corresponds to the ASCII hex encoding of the resulting bytes. Example: getCharsUTF16BE("ab") == new char[]{'0','0','6','1','0','0','6','2'} Parameters text:String The string to convert Returns:char[] The string converted to hex

getCharsUTF16BE

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public static char[] getCharsUTF16BE(String text)

Takes the characters in the given string, convert it to bytes in UTF16-BE format and build a char array that corresponds to the ASCII hex encoding of the resulting bytes. Example:

  getCharsUTF16BE("ab") == new char[]{'0','0','6','1','0','0','6','2'}

Parameters

text:String: The string to convert

Returns:char[]

The string converted to hex

getHighNibble	back to summary
private static int getHighNibble(byte b) Get the high nibble of the given byte. Parameters b:byte the given byte Returns:int the high nibble

getHighNibble

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private static int getHighNibble(byte b)

Get the high nibble of the given byte.

Parameters

b:byte: the given byte

Returns:int

the high nibble

getLowNibble	back to summary
private static int getLowNibble(byte b) Get the low nibble of the given byte. Parameters b:byte the given byte Returns:int the low nibble

getLowNibble

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private static int getLowNibble(byte b)

Get the low nibble of the given byte.

Parameters

b:byte: the given byte

Returns:int

the low nibble

getString	back to summary
public static String getString(byte b) Returns a hex string of the given byte. Parameters b:byte the byte to be converted Returns:String the hex string representing the given byte

getString

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public static String getString(byte b)

Returns a hex string of the given byte.

Parameters

b:byte: the byte to be converted

Returns:String

the hex string representing the given byte

getString	back to summary
public static String getString(byte[] bytes) Returns a hex string of the given byte array. Parameters bytes:byte[] the bytes to be converted Returns:String the hex string representing the given bytes

getString

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public static String getString(byte[] bytes)

Returns a hex string of the given byte array.

Parameters

bytes:byte[]: the bytes to be converted

Returns:String

the hex string representing the given bytes

writeHexByte	back to summary
public static void writeHexByte(byte b, OutputStream output) throws IOException Writes the given byte as hex value to the given output stream. Parameters b:byte the byte to be written output:OutputStream the output stream to be written to Exceptions IOException: exception if anything went wrong

writeHexByte

back to summary

public static void writeHexByte(byte b, OutputStream output) throws IOException

Writes the given byte as hex value to the given output stream.

Parameters

b:byte: the byte to be written
output:OutputStream: the output stream to be written to

Exceptions

IOException:: exception if anything went wrong

writeHexBytes	back to summary
public static void writeHexBytes(byte[] bytes, OutputStream output) throws IOException Writes the given byte array as hex value to the given output stream. Parameters bytes:byte[] the byte array to be written output:OutputStream the output stream to be written to Exceptions IOException: exception if anything went wrong

writeHexBytes

back to summary

public static void writeHexBytes(byte[] bytes, OutputStream output) throws IOException

Writes the given byte array as hex value to the given output stream.

Parameters

bytes:byte[]: the byte array to be written
output:OutputStream: the output stream to be written to

Exceptions

IOException:: exception if anything went wrong

public final Class Hex

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail