diff options
Diffstat (limited to 'java/src/main/java/com/google/protobuf/BoundedByteString.java')
| -rw-r--r-- | java/src/main/java/com/google/protobuf/BoundedByteString.java | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/java/src/main/java/com/google/protobuf/BoundedByteString.java b/java/src/main/java/com/google/protobuf/BoundedByteString.java deleted file mode 100644 index b4c3fb1b..00000000 --- a/java/src/main/java/com/google/protobuf/BoundedByteString.java +++ /dev/null @@ -1,180 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (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.IOException; -import java.io.InvalidObjectException; -import java.io.ObjectInputStream; -import java.util.NoSuchElementException; - -/** - * This class is used to represent the substring of a {@link ByteString} over a - * single byte array. In terms of the public API of {@link ByteString}, you end - * up here by calling {@link ByteString#copyFrom(byte[])} followed by {@link - * ByteString#substring(int, int)}. - * - * <p>This class contains most of the overhead involved in creating a substring - * from a {@link LiteralByteString}. The overhead involves some range-checking - * and two extra fields. - * - * @author carlanton@google.com (Carl Haverl) - */ -class BoundedByteString extends LiteralByteString { - - private final int bytesOffset; - private final int bytesLength; - - /** - * Creates a {@code BoundedByteString} backed by the sub-range of given array, - * without copying. - * - * @param bytes array to wrap - * @param offset index to first byte to use in bytes - * @param length number of bytes to use from bytes - * @throws IllegalArgumentException if {@code offset < 0}, {@code length < 0}, - * or if {@code offset + length > - * bytes.length}. - */ - BoundedByteString(byte[] bytes, int offset, int length) { - super(bytes); - if (offset < 0) { - throw new IllegalArgumentException("Offset too small: " + offset); - } - if (length < 0) { - throw new IllegalArgumentException("Length too small: " + offset); - } - if ((long) offset + length > bytes.length) { - throw new IllegalArgumentException( - "Offset+Length too large: " + offset + "+" + length); - } - - this.bytesOffset = offset; - this.bytesLength = length; - } - - /** - * Gets the byte at the given index. - * Throws {@link ArrayIndexOutOfBoundsException} - * for backwards-compatibility reasons although it would more properly be - * {@link IndexOutOfBoundsException}. - * - * @param index index of byte - * @return the value - * @throws ArrayIndexOutOfBoundsException {@code index} is < 0 or >= size - */ - @Override - public byte byteAt(int index) { - // We must check the index ourselves as we cannot rely on Java array index - // checking for substrings. - if (index < 0) { - throw new ArrayIndexOutOfBoundsException("Index too small: " + index); - } - if (index >= size()) { - throw new ArrayIndexOutOfBoundsException( - "Index too large: " + index + ", " + size()); - } - - return bytes[bytesOffset + index]; - } - - @Override - public int size() { - return bytesLength; - } - - @Override - protected int getOffsetIntoBytes() { - return bytesOffset; - } - - // ================================================================= - // ByteString -> byte[] - - @Override - protected void copyToInternal(byte[] target, int sourceOffset, - int targetOffset, int numberToCopy) { - System.arraycopy(bytes, getOffsetIntoBytes() + sourceOffset, target, - targetOffset, numberToCopy); - } - - // ================================================================= - // Serializable - - private static final long serialVersionUID = 1L; - - Object writeReplace() { - return new LiteralByteString(toByteArray()); - } - - private void readObject(ObjectInputStream in) throws IOException { - throw new InvalidObjectException( - "BoundedByteStream instances are not to be serialized directly"); - } - - // ================================================================= - // ByteIterator - - @Override - public ByteIterator iterator() { - return new BoundedByteIterator(); - } - - private class BoundedByteIterator implements ByteIterator { - - private int position; - private final int limit; - - private BoundedByteIterator() { - position = getOffsetIntoBytes(); - limit = position + size(); - } - - public boolean hasNext() { - return (position < limit); - } - - public Byte next() { - // Boxing calls Byte.valueOf(byte), which does not instantiate. - return nextByte(); - } - - public byte nextByte() { - if (position >= limit) { - throw new NoSuchElementException(); - } - return bytes[position++]; - } - - public void remove() { - throw new UnsupportedOperationException(); - } - } -} |