Package com.sun.pdfview.decode
Class ASCIIHexDecode
- java.lang.Object
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- com.sun.pdfview.decode.ASCIIHexDecode
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public class ASCIIHexDecode extends java.lang.Objectdecode an array of hex nybbles into a byte array
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Field Summary
Fields Modifier and Type Field Description private java.nio.ByteBufferbuf
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Constructor Summary
Constructors Modifier Constructor Description privateASCIIHexDecode(java.nio.ByteBuffer buf)initialize the decoder with an array of bytes in ASCIIHex format
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private java.nio.ByteBufferdecode()decode the arraystatic java.nio.ByteBufferdecode(java.nio.ByteBuffer buf, PDFObject params)decode an array of bytes in ASCIIHex format.private intreadHexDigit()get the next character from the input
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Method Detail
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readHexDigit
private int readHexDigit() throws PDFParseExceptionget the next character from the input- Returns:
- a number from 0-15, or -1 for the end character
- Throws:
PDFParseException
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decode
private java.nio.ByteBuffer decode() throws PDFParseExceptiondecode the array- Returns:
- the decoded bytes
- Throws:
PDFParseException
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decode
public static java.nio.ByteBuffer decode(java.nio.ByteBuffer buf, PDFObject params) throws PDFParseExceptiondecode an array of bytes in ASCIIHex format.ASCIIHex format consists of a sequence of Hexidecimal digits, with possible whitespace, ending with the '>' character.
- Parameters:
buf- the encoded ASCII85 characters in a byte bufferparams- parameters to the decoder (ignored)- Returns:
- the decoded bytes
- Throws:
PDFParseException
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