reorganized file layout (part 1: moves and renames)

[org.ibex.core.git] / src / org / bouncycastle / asn1 / DERInputStream.java

diff --git a/src/org/bouncycastle/asn1/DERInputStream.java b/src/org/bouncycastle/asn1/DERInputStream.java
deleted file mode 100644 (file)
index 107cc13..0000000
--- a/src/org/bouncycastle/asn1/DERInputStream.java
+++ /dev/null
@@ -1,239 +0,0 @@
-package org.bouncycastle.asn1;
-
-import java.io.FilterInputStream;
-
-import java.io.InputStream;
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.EOFException;
-
-
-public class DERInputStream
-    extends FilterInputStream implements DERTags
-{
-    public DERInputStream(
-        InputStream is)
-    {
-        super(is);
-    }
-
-    protected int readLength()
-        throws IOException
-    {
-        int length = read();
-        if (length < 0)
-        {
-            throw new IOException("EOF found when length expected");
-        }
-
-        if (length == 0x80)
-        {
-            return -1;      // indefinite-length encoding
-        }
-
-        if (length > 127)
-        {
-            int size = length & 0x7f;
-
-            length = 0;
-            for (int i = 0; i < size; i++)
-            {
-                int next = read();
-
-                if (next < 0)
-                {
-                    throw new IOException("EOF found reading length");
-                }
-
-                length = (length << 8) + next;
-            }
-        }
-
-        return length;
-    }
-
-    protected void readFully(
-        byte[]  bytes)
-        throws IOException
-    {
-        int     left = bytes.length;
-
-        if (left == 0)
-        {
-            return;
-        }
-
-        while ((left -= read(bytes, bytes.length - left, left)) != 0)
-        {
-            ;
-        }
-    }
-
-        /**
-         * build an object given its tag and a byte stream to construct it
-         * from.
-         */
-    protected DERObject buildObject(
-                int         tag,
-                byte[]  bytes)
-                throws IOException
-        {
-                switch (tag)
-        {
-        case NULL:
-            return null;   
-        case SEQUENCE | CONSTRUCTED:
-            ByteArrayInputStream    bIn = new ByteArrayInputStream(bytes);
-            BERInputStream          dIn = new BERInputStream(bIn);
-            DERConstructedSequence  seq = new DERConstructedSequence();
-
-            try
-            {
-                for (;;)
-                {
-                    DERObject   obj = dIn.readObject();
-
-                    seq.addObject(obj);
-                }
-            }
-            catch (EOFException ex)
-            {
-                return seq;
-            }
-        case SET | CONSTRUCTED:
-            bIn = new ByteArrayInputStream(bytes);
-            dIn = new BERInputStream(bIn);
-
-            DEREncodableVector    v = new DEREncodableVector();
-
-            try
-            {
-                for (;;)
-                {
-                    DERObject   obj = dIn.readObject();
-
-                    v.add(obj);
-                }
-            }
-            catch (EOFException ex)
-            {
-                return new DERConstructedSet(v);
-            }
-        case BOOLEAN:
-            return new DERBoolean(bytes);
-        case INTEGER:
-            return new DERInteger(bytes);
-        case ENUMERATED:
-            return new DEREnumerated(bytes);
-        case OBJECT_IDENTIFIER:
-            return new DERObjectIdentifier(bytes);
-        case BIT_STRING:
-            int     padBits = bytes[0];
-            byte[]  data = new byte[bytes.length - 1];
-
-            System.arraycopy(bytes, 1, data, 0, bytes.length - 1);
-
-            return new DERBitString(data, padBits);
-        case UTF8_STRING:
-            return new DERUTF8String(bytes);
-        case PRINTABLE_STRING:
-            return new DERPrintableString(bytes);
-        case IA5_STRING:
-            return new DERIA5String(bytes);
-        case T61_STRING:
-            return new DERT61String(bytes);
-        case VISIBLE_STRING:
-            return new DERVisibleString(bytes);
-        case UNIVERSAL_STRING:
-            return new DERUniversalString(bytes);
-        case BMP_STRING:
-            return new DERBMPString(bytes);
-        case OCTET_STRING:
-            return new DEROctetString(bytes);
-        case UTC_TIME:
-            return new DERUTCTime(bytes);
-        case GENERALIZED_TIME:
-            return new DERGeneralizedTime(bytes);
-        default:
-            //
-            // with tagged object tag number is bottom 5 bits
-            //
-            if ((tag & TAGGED) != 0)  
-            {
-                if ((tag & 0x1f) == 0x1f)
-                {
-                    throw new IOException("unsupported high tag encountered");
-                }
-
-                if (bytes.length == 0)        // empty tag!
-                {
-                    return new DERTaggedObject(false, tag & 0x1f, new DERConstructedSequence());
-                }
-
-                //
-                // simple type - implicit... return an octet string
-                //
-                if ((tag & CONSTRUCTED) == 0)
-                {
-                    return new DERTaggedObject(false, tag & 0x1f, new DEROctetString(bytes));
-                }
-
-                bIn = new ByteArrayInputStream(bytes);
-                dIn = new BERInputStream(bIn);
-
-                DEREncodable dObj = dIn.readObject();
-
-                //
-                // explicitly tagged (probably!) - if it isn't we'd have to
-                // tell from the context
-                //
-                if (dIn.available() == 0)
-                {
-                    return new DERTaggedObject(tag & 0x1f, dObj);
-                }
-
-                //
-                // another implicit object, we'll create a sequence...
-                //
-                seq = new DERConstructedSequence();
-
-                seq.addObject(dObj);
-
-                try
-                {
-                    for (;;)
-                    {
-                        dObj = dIn.readObject();
-
-                        seq.addObject(dObj);
-                    }
-                }
-                catch (EOFException ex)
-                {
-                    // ignore --
-                }
-
-                return new DERTaggedObject(false, tag & 0x1f, seq);
-            }
-
-            return new DERUnknownTag(tag, bytes);
-        }
-        }
-
-    public DERObject readObject()
-        throws IOException
-    {
-        int tag = read();
-        if (tag == -1)
-        {
-            throw new EOFException();
-        }
-
-        int     length = readLength();
-        byte[]  bytes = new byte[length];
-
-        readFully(bytes);
-
-                return buildObject(tag, bytes);
-        }
-}