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| java.lang.Object
 org.apache.harmony.security.asn1.BerInputStream
All known Subclasses: org.apache.harmony.security.asn1.DerInputStream,
| BerInputStream | | public class BerInputStream (Code) | | Decodes ASN.1 types encoded with BER (X.690)
See Also: http://asn1.elibel.tm.fr/en/standards/index.htm |
| INDEFINIT_LENGTH | | final protected static int INDEFINIT_LENGTH(Code) | | Indicates indefinite length of the current type
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| buffer | | protected byte[] buffer(Code) | | Internal buffer for storing encoded array
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| choiceIndex | | public int choiceIndex(Code) | | The last choice index
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| contentOffset | | protected int contentOffset(Code) | | Current decoded content offset
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| isIndefinedLength | | protected boolean isIndefinedLength(Code) | | Indicates defined or indefined reading mode for associated InputStream.
This mode is defined by reading a length
for a first ASN.1 type from InputStream.
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| isVerify | | protected boolean isVerify(Code) | | Indicates verify or store mode.
In store mode a decoded content is stored in a newly allocated
appropriate object. The content variable holds
a reference to the last created object.
In verify mode a decoded content is not stored.
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| length | | protected int length(Code) | | Current decoded length
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| offset | | protected int offset(Code) | | The position in the buffer.
Next read must place data into the buffer from this offset
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| oidElement | | public int oidElement(Code) | | |
| tag | | public int tag(Code) | | Current decoded tag
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| tagOffset | | protected int tagOffset(Code) | | Current decoded tag offset
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| times | | public int[] times(Code) | | Keeps last decoded: year, month, day, hour, minute, second, millisecond
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| BerInputStream | | public BerInputStream(byte[] encoded) throws IOException(Code) | | Creates stream for decoding.
Parameters:
encoded - - bytes array to be decoded
throws:
IOException - - if an error occurs |
| BerInputStream | | public BerInputStream(byte[] encoded, int offset, int expectedLength) throws IOException(Code) | | Creates stream for decoding.
Parameters:
encoded - -bytes array to be decoded
Parameters:
offset - -the encoding offset
Parameters:
expectedLength - -expected length of full encoding, this includes identifier,length an content octets
throws:
IOException - -if an error occurs |
| BerInputStream | | public BerInputStream(InputStream in) throws IOException(Code) | | Creates stream for decoding.
Allocates initial buffer of default size
Parameters:
is - associated InputStream |
| BerInputStream | | public BerInputStream(InputStream in, int initialSize) throws IOException(Code) | | Creates stream for decoding.
Allocates initial buffer of initialSize size
Parameters:
initialSize - the internal buffer initial size
Parameters:
is - associated InputStream |
| compactBuffer | | public void compactBuffer()(Code) | | Reallocates the buffer in order to make it
exactly the size of data it contains
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| getBuffer | | final public byte[] getBuffer()(Code) | | Returns internal buffer used for decoding
- buffer |
| getContentOffset | | final public int getContentOffset()(Code) | | |
| getEncoded | | public byte[] getEncoded()(Code) | | Returns encoded array.
MUST be invoked after decoding corresponding ASN.1 notation
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| getEndOffset | | final public int getEndOffset()(Code) | | Returns end offset for the current encoded type
- offset |
| getLength | | public static int getLength(byte[] encoding)(Code) | | Returns the length of the encoding
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| getLength | | final public int getLength()(Code) | | Returns length of the current content for decoding
- length of content |
| getOffset | | final public int getOffset()(Code) | | Returns the current offset
- offset |
| getTagOffset | | final public int getTagOffset()(Code) | | Returns start offset for the current encoded type
- offset |
| next | | public int next() throws IOException(Code) | | Decodes next encoded type.
Initializes tag, length, tagOffset and contentOffset variables
next decoded tag
throws:
IOException - - if error occured |
| read | | protected int read() throws IOException(Code) | | Reads the next encoded byte from the encoded input stream.
the next encoded byte
throws:
IOException - - if error occured |
| readContent | | public void readContent() throws IOException(Code) | | Reads the next encoded content from the encoded input stream.
The method MUST be used for reading a primitive encoded content.
throws:
IOException - - if error occured |
| readGeneralizedTime | | public void readGeneralizedTime() throws IOException(Code) | | Decodes ASN.1 GeneralizedTime type
throws:
IOException - - if error occured |
| readOctetString | | public void readOctetString() throws IOException(Code) | | Decodes ASN.1 Octetstring type
throws:
IOException - - if error occured |
| readSequence | | public void readSequence(ASN1Sequence sequence) throws IOException(Code) | | Decodes ASN.1 Sequence type
Parameters:
sequence - - ASN.1 sequence to be decoded
throws:
IOException - - if error occured |
| readSequenceOf | | public void readSequenceOf(ASN1SequenceOf sequenceOf) throws IOException(Code) | | Decodes ASN.1 SequenceOf type
Parameters:
sequenceOf - - ASN.1 sequence to be decoded
throws:
IOException - - if error occured |
| readUTCTime | | public void readUTCTime() throws IOException(Code) | | Decodes ASN.1 UTCTime type
throws:
IOException - - if an I/O error occurs or the end of the stream is reached |
| reset | | final public void reset(byte[] encoded) throws IOException(Code) | | Resets this stream to initial state.
Parameters:
encoded - - a new bytes array to be decoded
throws:
IOException - - if an error occurs |
| setVerify | | final public void setVerify()(Code) | | Sets verify mode.
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