| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.qpid.protonj2.codec.decoders.primitives; |
| |
| import java.io.InputStream; |
| |
| import org.apache.qpid.protonj2.buffer.ProtonBuffer; |
| import org.apache.qpid.protonj2.codec.DecodeException; |
| import org.apache.qpid.protonj2.codec.DecoderState; |
| import org.apache.qpid.protonj2.codec.EncodingCodes; |
| import org.apache.qpid.protonj2.codec.StreamDecoderState; |
| import org.apache.qpid.protonj2.codec.decoders.AbstractPrimitiveTypeDecoder; |
| import org.apache.qpid.protonj2.codec.decoders.ProtonStreamUtils; |
| |
| /** |
| * Decode AMQP Short values from a byte stream |
| */ |
| public final class ShortTypeDecoder extends AbstractPrimitiveTypeDecoder<Short> { |
| |
| @Override |
| public boolean isJavaPrimitive() { |
| return true; |
| } |
| |
| @Override |
| public Class<Short> getTypeClass() { |
| return Short.class; |
| } |
| |
| @Override |
| public int getTypeCode() { |
| return EncodingCodes.SHORT & 0xff; |
| } |
| |
| @Override |
| public Short readValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| return buffer.readShort(); |
| } |
| |
| @Override |
| public Short readValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| return Short.valueOf(ProtonStreamUtils.readShort(stream)); |
| } |
| |
| /** |
| * Reads the primitive value from the given {@link ProtonBuffer} and returns it. |
| * |
| * @param buffer |
| * The {@link ProtonBuffer} where the primitive value should be read from. |
| * @param state |
| * The {@link DecoderState} that can be used during decode of the value. |
| * |
| * @return the decoded primitive value. |
| * |
| * @throws DecodeException if an error occurs while reading the encoded value. |
| */ |
| public short readPrimitiveValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| return buffer.readShort(); |
| } |
| |
| /** |
| * Reads the primitive value from the given {@link InputStream} and returns it. |
| * |
| * @param stream |
| * The {@link InputStream} where the primitive value should be read from. |
| * @param state |
| * The {@link DecoderState} that can be used during decode of the value. |
| * |
| * @return the decoded primitive value. |
| * |
| * @throws DecodeException if an error occurs while reading the encoded value. |
| */ |
| public short readPrimitiveValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| return ProtonStreamUtils.readShort(stream); |
| } |
| |
| @Override |
| public void skipValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| buffer.skipBytes(Short.BYTES); |
| } |
| |
| @Override |
| public void skipValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| ProtonStreamUtils.skipBytes(stream, Short.BYTES); |
| } |
| } |