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| | | /** |
| | | * A {@code ByteSequence} is a readable sequence of byte values. This |
| | | * interface provides uniform, read-only access to many different kinds |
| | | * of byte sequences. |
| | | * A {@code ByteSequence} is a readable sequence of byte values. This interface |
| | | * provides uniform, read-only access to many different kinds of byte sequences. |
| | | */ |
| | | public interface ByteSequence extends Comparable<ByteSequence> |
| | | { |
| | | |
| | | /** |
| | | * Returns a {@link ByteSequenceReader} which can be used to |
| | | * incrementally read and decode data from this byte sequence. |
| | | * Returns a {@link ByteSequenceReader} which can be used to incrementally |
| | | * read and decode data from this byte sequence. |
| | | * <p> |
| | | * <b>NOTE:</b> any concurrent changes to the underlying byte sequence |
| | | * (if mutable) may cause subsequent reads to overrun and fail. |
| | | * |
| | | * @return The {@link ByteSequenceReader} which can be used to |
| | | * incrementally read and decode data from this byte sequence. |
| | | * <b>NOTE:</b> any concurrent changes to the underlying byte sequence (if |
| | | * mutable) may cause subsequent reads to overrun and fail. |
| | | * |
| | | * @return The {@link ByteSequenceReader} which can be used to incrementally |
| | | * read and decode data from this byte sequence. |
| | | */ |
| | | ByteSequenceReader asReader(); |
| | | |
| | |
| | | /** |
| | | * Returns the byte value at the specified index. |
| | | * <p> |
| | | * An index ranges from zero to {@code length() - 1}. The first byte |
| | | * value of the sequence is at index zero, the next at index one, and |
| | | * so on, as for array indexing. |
| | | * |
| | | * An index ranges from zero to {@code length() - 1}. The first byte value of |
| | | * the sequence is at index zero, the next at index one, and so on, as for |
| | | * array indexing. |
| | | * |
| | | * @param index |
| | | * The index of the byte to be returned. |
| | | * @return The byte value at the specified index. |
| | | * @throws IndexOutOfBoundsException |
| | | * If the index argument is negative or not less than |
| | | * length(). |
| | | * If the index argument is negative or not less than length(). |
| | | */ |
| | | byte byteAt(int index) throws IndexOutOfBoundsException; |
| | | |
| | | |
| | | |
| | | /** |
| | | * Compares this byte sequence with the specified byte array |
| | | * sub-sequence for order. Returns a negative integer, zero, or a |
| | | * positive integer depending on whether this byte sequence is less |
| | | * than, equal to, or greater than the specified byte array |
| | | * sub-sequence. |
| | | * |
| | | * Compares this byte sequence with the specified byte array sub-sequence for |
| | | * order. Returns a negative integer, zero, or a positive integer depending on |
| | | * whether this byte sequence is less than, equal to, or greater than the |
| | | * specified byte array sub-sequence. |
| | | * |
| | | * @param b |
| | | * The byte array to compare. |
| | | * @param offset |
| | | * The offset of the sub-sequence in the byte array to be |
| | | * compared; must be non-negative and no larger than {@code |
| | | * b.length} . |
| | | * The offset of the sub-sequence in the byte array to be compared; |
| | | * must be non-negative and no larger than {@code b.length} . |
| | | * @param length |
| | | * The length of the sub-sequence in the byte array to be |
| | | * compared; must be non-negative and no larger than {@code |
| | | * b.length - offset}. |
| | | * @return A negative integer, zero, or a positive integer depending |
| | | * on whether this byte sequence is less than, equal to, or |
| | | * greater than the specified byte array sub-sequence. |
| | | * The length of the sub-sequence in the byte array to be compared; |
| | | * must be non-negative and no larger than {@code b.length - offset}. |
| | | * @return A negative integer, zero, or a positive integer depending on |
| | | * whether this byte sequence is less than, equal to, or greater than |
| | | * the specified byte array sub-sequence. |
| | | * @throws IndexOutOfBoundsException |
| | | * If {@code offset} is negative or if {@code length} is |
| | | * negative or if {@code offset + length} is greater than |
| | | * {@code b.length}. |
| | | * If {@code offset} is negative or if {@code length} is negative or |
| | | * if {@code offset + length} is greater than {@code b.length}. |
| | | */ |
| | | int compareTo(byte[] b, int offset, int length) |
| | | throws IndexOutOfBoundsException; |
| | |
| | | |
| | | |
| | | /** |
| | | * Compares this byte sequence with the specified byte sequence for |
| | | * order. Returns a negative integer, zero, or a positive integer |
| | | * depending on whether this byte sequence is less than, equal to, or |
| | | * greater than the specified object. |
| | | * |
| | | * Compares this byte sequence with the specified byte sequence for order. |
| | | * Returns a negative integer, zero, or a positive integer depending on |
| | | * whether this byte sequence is less than, equal to, or greater than the |
| | | * specified object. |
| | | * |
| | | * @param o |
| | | * The byte sequence to be compared. |
| | | * @return A negative integer, zero, or a positive integer depending |
| | | * on whether this byte sequence is less than, equal to, or |
| | | * greater than the specified object. |
| | | * @return A negative integer, zero, or a positive integer depending on |
| | | * whether this byte sequence is less than, equal to, or greater than |
| | | * the specified object. |
| | | */ |
| | | int compareTo(ByteSequence o); |
| | | |
| | | |
| | | |
| | | /** |
| | | * Copies the contents of this byte sequence to the provided byte |
| | | * array. |
| | | * Copies the contents of this byte sequence to the provided byte array. |
| | | * <p> |
| | | * Copying will stop when either the entire content of this sequence |
| | | * has been copied or if the end of the provided byte array has been |
| | | * reached. |
| | | * Copying will stop when either the entire content of this sequence has been |
| | | * copied or if the end of the provided byte array has been reached. |
| | | * <p> |
| | | * An invocation of the form: |
| | | * |
| | | * |
| | | * <pre> |
| | | * src.copyTo(b) |
| | | * </pre> |
| | | * |
| | | * |
| | | * Behaves in exactly the same way as the invocation: |
| | | * |
| | | * |
| | | * <pre> |
| | | * src.copyTo(b, 0); |
| | | * </pre> |
| | | * |
| | | * |
| | | * @param b |
| | | * The byte array to which bytes are to be copied. |
| | | * @return The byte array. |
| | |
| | | |
| | | |
| | | /** |
| | | * Copies the contents of this byte sequence to the specified location |
| | | * in the provided byte array. |
| | | * Copies the contents of this byte sequence to the specified location in the |
| | | * provided byte array. |
| | | * <p> |
| | | * Copying will stop when either the entire content of this sequence |
| | | * has been copied or if the end of the provided byte array has been |
| | | * reached. |
| | | * Copying will stop when either the entire content of this sequence has been |
| | | * copied or if the end of the provided byte array has been reached. |
| | | * <p> |
| | | * An invocation of the form: |
| | | * |
| | | * |
| | | * <pre> |
| | | * src.copyTo(b, offset) |
| | | * </pre> |
| | | * |
| | | * |
| | | * Behaves in exactly the same way as the invocation: |
| | | * |
| | | * |
| | | * <pre> |
| | | * int len = Math.min(src.length(), b.length - offset); |
| | | * for (int i = 0; i < len; i++) |
| | | * b[offset + i] = src.get(i); |
| | | * </pre> |
| | | * |
| | | * |
| | | * Except that it is potentially much more efficient. |
| | | * |
| | | * |
| | | * @param b |
| | | * The byte array to which bytes are to be copied. |
| | | * @param offset |
| | | * The offset within the array of the first byte to be |
| | | * written; must be non-negative and no larger than b.length. |
| | | * The offset within the array of the first byte to be written; must |
| | | * be non-negative and no larger than b.length. |
| | | * @return The byte array. |
| | | * @throws IndexOutOfBoundsException |
| | | * If {@code offset} is negative. |
| | |
| | | /** |
| | | * Appends the entire contents of this byte sequence to the provided |
| | | * {@link ByteStringBuilder}. |
| | | * |
| | | * |
| | | * @param builder |
| | | * The builder to copy to. |
| | | * @return The builder. |
| | |
| | | |
| | | |
| | | /** |
| | | * Copies the entire contents of this byte sequence to the provided |
| | | * {@code OutputStream}. |
| | | * |
| | | * Copies the entire contents of this byte sequence to the provided {@code |
| | | * OutputStream}. |
| | | * |
| | | * @param stream |
| | | * The {@code OutputStream} to copy to. |
| | | * @return The {@code OutputStream}. |
| | | * @throws IOException |
| | | * If an error occurs while writing to the {@code |
| | | * OutputStream}. |
| | | * If an error occurs while writing to the {@code OutputStream}. |
| | | */ |
| | | OutputStream copyTo(OutputStream stream) throws IOException; |
| | | |
| | | |
| | | |
| | | /** |
| | | * Indicates whether the provided byte array sub-sequence is equal to |
| | | * this byte sequence. In order for it to be considered equal, the |
| | | * provided byte array sub-sequence must contain the same bytes in the |
| | | * same order. |
| | | * |
| | | * Indicates whether the provided byte array sub-sequence is equal to this |
| | | * byte sequence. In order for it to be considered equal, the provided byte |
| | | * array sub-sequence must contain the same bytes in the same order. |
| | | * |
| | | * @param b |
| | | * The byte array for which to make the determination. |
| | | * @param offset |
| | | * The offset of the sub-sequence in the byte array to be |
| | | * compared; must be non-negative and no larger than {@code |
| | | * b.length} . |
| | | * The offset of the sub-sequence in the byte array to be compared; |
| | | * must be non-negative and no larger than {@code b.length} . |
| | | * @param length |
| | | * The length of the sub-sequence in the byte array to be |
| | | * compared; must be non-negative and no larger than {@code |
| | | * b.length - offset}. |
| | | * @return {@code true} if the content of the provided byte array |
| | | * sub-sequence is equal to that of this byte sequence, or |
| | | * {@code false} if not. |
| | | * The length of the sub-sequence in the byte array to be compared; |
| | | * must be non-negative and no larger than {@code b.length - offset}. |
| | | * @return {@code true} if the content of the provided byte array sub-sequence |
| | | * is equal to that of this byte sequence, or {@code false} if not. |
| | | * @throws IndexOutOfBoundsException |
| | | * If {@code offset} is negative or if {@code length} is |
| | | * negative or if {@code offset + length} is greater than |
| | | * {@code b.length}. |
| | | * If {@code offset} is negative or if {@code length} is negative or |
| | | * if {@code offset + length} is greater than {@code b.length}. |
| | | */ |
| | | boolean equals(byte[] b, int offset, int length) |
| | | throws IndexOutOfBoundsException; |
| | |
| | | |
| | | |
| | | /** |
| | | * Indicates whether the provided object is equal to this byte |
| | | * sequence. In order for it to be considered equal, the provided |
| | | * object must be a byte sequence containing the same bytes in the |
| | | * same order. |
| | | * |
| | | * Indicates whether the provided object is equal to this byte sequence. In |
| | | * order for it to be considered equal, the provided object must be a byte |
| | | * sequence containing the same bytes in the same order. |
| | | * |
| | | * @param o |
| | | * The object for which to make the determination. |
| | | * @return {@code true} if the provided object is a byte sequence |
| | | * whose content is equal to that of this byte sequence, or |
| | | * {@code false} if not. |
| | | * @return {@code true} if the provided object is a byte sequence whose |
| | | * content is equal to that of this byte sequence, or {@code false} if |
| | | * not. |
| | | */ |
| | | boolean equals(Object o); |
| | | |
| | | |
| | | |
| | | /** |
| | | * Returns a hash code for this byte sequence. It will be the sum of |
| | | * all of the bytes contained in the byte sequence. |
| | | * |
| | | * Returns a hash code for this byte sequence. It will be the sum of all of |
| | | * the bytes contained in the byte sequence. |
| | | * |
| | | * @return A hash code for this byte sequence. |
| | | */ |
| | | int hashCode(); |
| | |
| | | |
| | | /** |
| | | * Returns the length of this byte sequence. |
| | | * |
| | | * |
| | | * @return The length of this byte sequence. |
| | | */ |
| | | int length(); |
| | |
| | | |
| | | |
| | | /** |
| | | * Returns a new byte sequence that is a subsequence of this byte |
| | | * sequence. |
| | | * Returns a new byte sequence that is a subsequence of this byte sequence. |
| | | * <p> |
| | | * The subsequence starts with the byte value at the specified {@code |
| | | * start} index and ends with the byte value at index {@code end - 1}. |
| | | * The length (in bytes) of the returned sequence is {@code end - |
| | | * start}, so if {@code start == end} then an empty sequence is |
| | | * returned. |
| | | * The subsequence starts with the byte value at the specified {@code start} |
| | | * index and ends with the byte value at index {@code end - 1}. The length (in |
| | | * bytes) of the returned sequence is {@code end - start}, so if {@code start |
| | | * == end} then an empty sequence is returned. |
| | | * <p> |
| | | * <b>NOTE:</b> changes to the underlying byte sequence (if mutable) |
| | | * may render the returned sub-sequence invalid. |
| | | * |
| | | * <b>NOTE:</b> changes to the underlying byte sequence (if mutable) may |
| | | * render the returned sub-sequence invalid. |
| | | * |
| | | * @param start |
| | | * The start index, inclusive. |
| | | * @param end |
| | | * The end index, exclusive. |
| | | * @return The newly created byte subsequence. |
| | | * @throws IndexOutOfBoundsException |
| | | * If {@code start} or {@code end} are negative, if {@code |
| | | * end} is greater than {@code length()}, or if {@code |
| | | * start} is greater than {@code end}. |
| | | * If {@code start} or {@code end} are negative, if {@code end} is |
| | | * greater than {@code length()}, or if {@code start} is greater |
| | | * than {@code end}. |
| | | */ |
| | | ByteSequence subSequence(int start, int end) |
| | | throws IndexOutOfBoundsException; |
| | | ByteSequence subSequence(int start, int end) throws IndexOutOfBoundsException; |
| | | |
| | | |
| | | |
| | | /** |
| | | * Returns a byte array containing the bytes in this sequence in the |
| | | * same order as this sequence. The length of the byte array will be |
| | | * the length of this sequence. |
| | | * Returns a byte array containing the bytes in this sequence in the same |
| | | * order as this sequence. The length of the byte array will be the length of |
| | | * this sequence. |
| | | * <p> |
| | | * An invocation of the form: |
| | | * |
| | | * |
| | | * <pre> |
| | | * src.toByteArray() |
| | | * </pre> |
| | | * |
| | | * |
| | | * Behaves in exactly the same way as the invocation: |
| | | * |
| | | * |
| | | * <pre> |
| | | * src.copyTo(new byte[src.length()]); |
| | | * </pre> |
| | | * |
| | | * |
| | | * @return A byte array consisting of exactly this sequence of bytes. |
| | | */ |
| | | byte[] toByteArray(); |
| | |
| | | |
| | | |
| | | /** |
| | | * Returns the {@link ByteString} representation of this byte |
| | | * sequence. |
| | | * |
| | | * @return The {@link ByteString} representation of this byte |
| | | * sequence. |
| | | * Returns the {@link ByteString} representation of this byte sequence. |
| | | * |
| | | * @return The {@link ByteString} representation of this byte sequence. |
| | | */ |
| | | ByteString toByteString(); |
| | | |
| | | |
| | | |
| | | /** |
| | | * Returns the UTF-8 decoded string representation of this byte |
| | | * sequence. If UTF-8 decoding fails, the platform's default encoding |
| | | * will be used. |
| | | * |
| | | * Returns the UTF-8 decoded string representation of this byte sequence. If |
| | | * UTF-8 decoding fails, the platform's default encoding will be used. |
| | | * |
| | | * @return The string representation of this byte sequence. |
| | | */ |
| | | String toString(); |