/* * JBoss, Home of Professional Open Source. * 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() { } }