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/*
* Copyright (C) the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License 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 net.derquinse.common.io;
import java.io.InputStream;
import java.nio.ByteBuffer;
import net.derquinse.common.base.NotInstantiable;
import com.google.common.io.ByteSource;
/**
* Provides utility methods for working with byte arrays, byte buffers and I/O streams backed by
* those.
*
* All method parameters must be non-null unless documented otherwise.
* @author Andres Rodriguez
*/
public final class MemoryByteStreams extends NotInstantiable {
/** Not instantiable. */
private MemoryByteStreams() {
}
/**
* Returns a factory that will supply instances of {@link ByteSource} that read from an sliced
* view of the given byte buffer.
* @param b The input buffer.
* @return The requested factory.
*/
public static ByteSource newInputStreamSupplier(ByteBuffer b) {
return new BufferByteSource(b);
}
/** Returns an input stream that reads the remaining bytes of the bprovided buffer. */
public static InputStream newInputStream(ByteBuffer buffer) {
return new ByteBufferInputStream(buffer);
}
}