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/*
* Copyright 2015 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 org.glowroot.common;
import java.nio.ByteBuffer;
import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
public class ScratchBuffer {
private @MonotonicNonNull ByteBuffer buffer;
public ByteBuffer getBuffer(int capacity) {
if (buffer == null || buffer.capacity() < capacity) {
buffer = ByteBuffer.allocate(capacity);
}
return buffer;
}
}