diff options
Diffstat (limited to 'java/core/src/main/java/com/google/protobuf/ByteString.java')
| -rw-r--r-- | java/core/src/main/java/com/google/protobuf/ByteString.java | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/java/core/src/main/java/com/google/protobuf/ByteString.java b/java/core/src/main/java/com/google/protobuf/ByteString.java index 5b24976d..9d640385 100644 --- a/java/core/src/main/java/com/google/protobuf/ByteString.java +++ b/java/core/src/main/java/com/google/protobuf/ByteString.java @@ -28,6 +28,7 @@ // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + package com.google.protobuf; import java.io.ByteArrayInputStream; @@ -52,9 +53,9 @@ import java.util.NoSuchElementException; /** * Immutable sequence of bytes. Substring is supported by sharing the reference - * to the immutable underlying bytes. Concatenation is likewise supported - * without copying (long strings) by building a tree of pieces in - * {@link RopeByteString}. + * to the immutable underlying bytes, as with {@link String}. Concatenation is + * likewise supported without copying (long strings) by building a tree of + * pieces in {@link RopeByteString}. * <p> * Like {@link String}, the contents of a {@link ByteString} can never be * observed to change, not even in the presence of a data race or incorrect @@ -691,6 +692,16 @@ public abstract class ByteString implements Iterable<Byte>, Serializable { */ abstract void writeTo(ByteOutput byteOutput) throws IOException; + /** + * This method behaves exactly the same as {@link #writeTo(ByteOutput)} unless the {@link + * ByteString} is a rope. For ropes, the leaf nodes are written in reverse order to the {@code + * byteOutput}. + * + * @param byteOutput the output target to receive the bytes + * @throws IOException if an I/O error occurs + * @see UnsafeByteOperations#unsafeWriteToReverse(ByteString, ByteOutput) + */ + abstract void writeToReverse(ByteOutput byteOutput) throws IOException; /** * Constructs a read-only {@code java.nio.ByteBuffer} whose content @@ -833,6 +844,10 @@ public abstract class ByteString implements Iterable<Byte>, Serializable { return true; } + @Override + void writeToReverse(ByteOutput byteOutput) throws IOException { + writeTo(byteOutput); + } /** * Check equality of the substring of given length of this object starting at |