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/*
* Copyright 2007-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.amazon.ion;
import java.io.InputStream;
/**
* Common functionality of Ion blob and clob
* types.
*
* WARNING: This interface should not be implemented or extended by
* code outside of this library.
*/
public interface IonLob
extends IonValue
{
/**
* Creates a new {@link InputStream} that returns the data as raw
* bytes.
*
* @return a new stream positioned at the start of the lob,
* or null if this.isNullValue().
*/
public InputStream newInputStream();
/**
* Gets all the data of this lob, or null if this is an Ion
* null value.
*
* @return a new byte array,
* or null if this.isNullValue().
*/
public byte[] getBytes();
/**
* Sets the data of this lob, copying bytes from an array.
*
* @param bytes the new data for the lob;
* may be null to make this an Ion null value.
*/
public void setBytes(byte[] bytes);
/**
* Sets the data of this lob, copying bytes from part of an array.
*
* This method copies {@code length} bytes from the given array into this
* value, starting at the given offset in the array.
*
* @param bytes the new data for the lob;
* may be null to make this an Ion null value.
* @param offset the offset within the array of the first byte to copy;
* must be non-negative and no larger than {@code bytes.length}.
* @param length the number of bytes to be copied from the given array;
* must be non-negative and no larger than {@code bytes.length - offset}.
*
* @throws IndexOutOfBoundsException
* if the preconditions on the {@code offset} and {@code length} parameters
* are not met.
*/
public void setBytes(byte[] bytes, int offset, int length);
/**
* Gets the size in bytes of this lob.
*
* @return the lob's size in bytes.
*/
public int byteSize();
public IonLob clone()
throws UnknownSymbolException;
}