diff options
Diffstat (limited to 'src/main/java/org/pdfbox/filter/ASCIIHexFilter.java')
| -rw-r--r-- | src/main/java/org/pdfbox/filter/ASCIIHexFilter.java | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/main/java/org/pdfbox/filter/ASCIIHexFilter.java b/src/main/java/org/pdfbox/filter/ASCIIHexFilter.java deleted file mode 100644 index b3cf506..0000000 --- a/src/main/java/org/pdfbox/filter/ASCIIHexFilter.java +++ /dev/null @@ -1,205 +0,0 @@ -/**
- * Copyright (c) 2003, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.filter;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import org.pdfbox.cos.COSDictionary;
-
-import org.pdfbox.persistence.util.COSHEXTable;
-
-/**
- * This is the used for the ASCIIHexDecode filter.
- *
- * @author Ben Litchfield (ben@csh.rit.edu)
- * @version $Revision: 1.7 $
- */
-public class ASCIIHexFilter implements Filter
-{
- private static final int ASCII_ZERO = (int)'0';
-
-
- /**
- * This will decode some compressed data.
- *
- * @param compressedData The compressed byte stream.
- * @param result The place to write the uncompressed byte stream.
- * @param options The options to use to encode the data.
- *
- * @throws IOException If there is an error decompressing the stream.
- */
- public void decode( InputStream compressedData, OutputStream result, COSDictionary options ) throws IOException
- {
- int value =0;
- int firstByte = 0;
- int secondByte = 0;
- while( (firstByte = compressedData.read()) != -1 )
- {
- value = REVERSE_HEX[firstByte] * 16;
- secondByte = compressedData.read();
- if( secondByte >= 0 )
- {
- value += REVERSE_HEX[ secondByte ];
- }
- result.write( value );
- }
- result.flush();
- }
-
- private static final int[] REVERSE_HEX =
- {
- -1, //0
- -1, //1
- -1, //2
- -1, //3
- -1, //4
- -1, //5
- -1, //6
- -1, //7
- -1, //8
- -1, //9
- -1, //10
- -1, //11
- -1, //12
- -1, //13
- -1, //14
- -1, //15
- -1, //16
- -1, //17
- -1, //18
- -1, //19
- -1, //20
- -1, //21
- -1, //22
- -1, //23
- -1, //24
- -1, //25
- -1, //26
- -1, //27
- -1, //28
- -1, //29
- -1, //30
- -1, //31
- -1, //32
- -1, //33
- -1, //34
- -1, //35
- -1, //36
- -1, //37
- -1, //38
- -1, //39
- -1, //40
- -1, //41
- -1, //42
- -1, //43
- -1, //44
- -1, //45
- -1, //46
- -1, //47
- 0, //48
- 1, //49
- 2, //50
- 3, //51
- 4, //52
- 5, //53
- 6, //54
- 7, //55
- 8, //56
- 9, //57
- -1, //58
- -1, //59
- -1, //60
- -1, //61
- -1, //62
- -1, //63
- -1, //64
- 10, //65
- 11, //66
- 12, //67
- 13, //68
- 14, //69
- 15, //70
- -1, //71
- -1, //72
- -1, //73
- -1, //74
- -1, //75
- -1, //76
- -1, //77
- -1, //78
- -1, //79
- -1, //80
- -1, //81
- -1, //82
- -1, //83
- -1, //84
- -1, //85
- -1, //86
- -1, //87
- -1, //88
- -1, //89
- -1, //90
- -1, //91
- -1, //92
- -1, //93
- -1, //94
- -1, //95
- -1, //96
- 10, //97
- 11, //98
- 12, //99
- 13, //100
- 14, //101
- 15, //102
- };
-
- /**
- * This will encode some data.
- *
- * @param rawData The raw data to encode.
- * @param result The place to write to encoded results to.
- * @param options The options to use to encode the data.
- *
- * @throws IOException If there is an error compressing the stream.
- */
- public void encode( InputStream rawData, OutputStream result, COSDictionary options ) throws IOException
- {
- int byteRead = 0;
- while( (byteRead = rawData.read()) != -1 )
- {
- int value = (byteRead+256)%256;
- result.write( COSHEXTable.TABLE[value] );
- }
- result.flush();
- }
-}
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