io.undertow.protocols.http2.Http2ProtocolUtils Maven / Gradle / Ivy
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* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 io.undertow.protocols.http2;
import java.nio.ByteBuffer;
/**
* @author Stuart Douglas
*/
class Http2ProtocolUtils {
public static void putInt(final ByteBuffer buffer, int value) {
buffer.put((byte) (value >> 24));
buffer.put((byte) (value >> 16));
buffer.put((byte) (value >> 8));
buffer.put((byte) value);
}
public static void putInt(final ByteBuffer buffer, int value, int position) {
buffer.put(position, (byte) (value >> 24));
buffer.put(position + 1, (byte) (value >> 16));
buffer.put(position + 2, (byte) (value >> 8));
buffer.put(position + 3, (byte) value);
}
public static int readInt(ByteBuffer buffer) {
int id = (buffer.get() & 0xFF) << 24;
id += (buffer.get() & 0xFF) << 16;
id += (buffer.get() & 0xFF) << 8;
id += (buffer.get() & 0xFF);
return id;
}
private Http2ProtocolUtils() {
}
}
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