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1
51 package org.apache.fop.pdf;
52
53 import java.io.UnsupportedEncodingException  ;
54
55 public class ASCIIHexFilter extends PDFFilter {
56 private static final String ASCIIHEX_EOD = ">";
57
58
59 public String getName() {
60 return "/ASCIIHexDecode";
61 }
62
63 public String getDecodeParms() {
64 return null;
65 }
66
67 public byte[] encode(byte[] data) {
68
69 StringBuffer buffer = new StringBuffer ();
70 for (int i = 0; i < data.length; i++) {
71 int val = (int)(data[i] & 0xFF);
72 if (val < 16)
73 buffer.append("0");
74 buffer.append(Integer.toHexString(val));
75 }
76 buffer.append(ASCIIHEX_EOD);
77
78 try {
79 return buffer.toString().getBytes(PDFDocument.ENCODING);
80 } catch (UnsupportedEncodingException ue) {
81 return buffer.toString().getBytes();
82 }
83 }
84
85 }
86 |
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