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Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java')
-rw-r--r--core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java105
1 files changed, 0 insertions, 105 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java b/core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java
deleted file mode 100644
index 37851748..00000000
--- a/core/src/main/java/org/bouncycastle/asn1/DefiniteLengthInputStream.java
+++ /dev/null
@@ -1,105 +0,0 @@
-package org.bouncycastle.asn1;
-
-import java.io.EOFException;
-import java.io.IOException;
-import java.io.InputStream;
-
-import org.bouncycastle.util.io.Streams;
-
-class DefiniteLengthInputStream
- extends LimitedInputStream
-{
- private static final byte[] EMPTY_BYTES = new byte[0];
-
- private final int _originalLength;
- private int _remaining;
-
- DefiniteLengthInputStream(
- InputStream in,
- int length)
- {
- super(in, length);
-
- if (length < 0)
- {
- throw new IllegalArgumentException("negative lengths not allowed");
- }
-
- this._originalLength = length;
- this._remaining = length;
-
- if (length == 0)
- {
- setParentEofDetect(true);
- }
- }
-
- int getRemaining()
- {
- return _remaining;
- }
-
- public int read()
- throws IOException
- {
- if (_remaining == 0)
- {
- return -1;
- }
-
- int b = _in.read();
-
- if (b < 0)
- {
- throw new EOFException("DEF length " + _originalLength + " object truncated by " + _remaining);
- }
-
- if (--_remaining == 0)
- {
- setParentEofDetect(true);
- }
-
- return b;
- }
-
- public int read(byte[] buf, int off, int len)
- throws IOException
- {
- if (_remaining == 0)
- {
- return -1;
- }
-
- int toRead = Math.min(len, _remaining);
- int numRead = _in.read(buf, off, toRead);
-
- if (numRead < 0)
- {
- throw new EOFException("DEF length " + _originalLength + " object truncated by " + _remaining);
- }
-
- if ((_remaining -= numRead) == 0)
- {
- setParentEofDetect(true);
- }
-
- return numRead;
- }
-
- byte[] toByteArray()
- throws IOException
- {
- if (_remaining == 0)
- {
- return EMPTY_BYTES;
- }
-
- byte[] bytes = new byte[_remaining];
- if ((_remaining -= Streams.readFully(_in, bytes)) != 0)
- {
- throw new EOFException("DEF length " + _originalLength + " object truncated by " + _remaining);
- }
- setParentEofDetect(true);
- return bytes;
- }
-}