summaryrefslogtreecommitdiffstats
path: root/bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java
diff options
context:
space:
mode:
Diffstat (limited to 'bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java')
-rw-r--r--bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java96
1 files changed, 0 insertions, 96 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java b/bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java
deleted file mode 100644
index 60a098d..0000000
--- a/bcprov/src/main/java/org/bouncycastle/util/encoders/BufferedEncoder.java
+++ /dev/null
@@ -1,96 +0,0 @@
-package org.bouncycastle.util.encoders;
-
-
-/**
- * A buffering class to allow translation from one format to another to
- * be done in discrete chunks.
- */
-public class BufferedEncoder
-{
- protected byte[] buf;
- protected int bufOff;
-
- protected Translator translator;
-
- /**
- * @param translator the translator to use.
- * @param bufSize amount of input to buffer for each chunk.
- */
- public BufferedEncoder(
- Translator translator,
- int bufSize)
- {
- this.translator = translator;
-
- if ((bufSize % translator.getEncodedBlockSize()) != 0)
- {
- throw new IllegalArgumentException("buffer size not multiple of input block size");
- }
-
- buf = new byte[bufSize];
- bufOff = 0;
- }
-
- public int processByte(
- byte in,
- byte[] out,
- int outOff)
- {
- int resultLen = 0;
-
- buf[bufOff++] = in;
-
- if (bufOff == buf.length)
- {
- resultLen = translator.encode(buf, 0, buf.length, out, outOff);
- bufOff = 0;
- }
-
- return resultLen;
- }
-
- public int processBytes(
- byte[] in,
- int inOff,
- int len,
- byte[] out,
- int outOff)
- {
- if (len < 0)
- {
- throw new IllegalArgumentException("Can't have a negative input length!");
- }
-
- int resultLen = 0;
- int gapLen = buf.length - bufOff;
-
- if (len > gapLen)
- {
- System.arraycopy(in, inOff, buf, bufOff, gapLen);
-
- resultLen += translator.encode(buf, 0, buf.length, out, outOff);
-
- bufOff = 0;
-
- len -= gapLen;
- inOff += gapLen;
- outOff += resultLen;
-
- int chunkSize = len - (len % buf.length);
-
- resultLen += translator.encode(in, inOff, chunkSize, out, outOff);
-
- len -= chunkSize;
- inOff += chunkSize;
- }
-
- if (len != 0)
- {
- System.arraycopy(in, inOff, buf, bufOff, len);
-
- bufOff += len;
- }
-
- return resultLen;
- }
-}