| /* |
| * 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; |
| |
| /** |
| * Decoder of AMQP Boolean values from a byte stream. |
| */ |
| public class BooleanTypeDecoder extends AbstractPrimitiveTypeDecoder<Boolean> { |
| |
| @Override |
| public boolean isJavaPrimitive() { |
| return true; |
| } |
| |
| @Override |
| public Class<Boolean> getTypeClass() { |
| return Boolean.class; |
| } |
| |
| @Override |
| public int getTypeCode() { |
| return EncodingCodes.BOOLEAN & 0xff; |
| } |
| |
| @Override |
| public Boolean readValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| return buffer.readByte() == 0 ? Boolean.FALSE : Boolean.TRUE; |
| } |
| |
| @Override |
| public Boolean readValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| return ProtonStreamUtils.readByte(stream) == 0 ? Boolean.FALSE : Boolean.TRUE; |
| } |
| |
| /** |
| * 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 boolean readPrimitiveValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| return buffer.readByte() == 0 ? false : true; |
| } |
| |
| /** |
| * 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 boolean readPrimitiveValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| return ProtonStreamUtils.readByte(stream) == 0 ? false : true; |
| } |
| |
| @Override |
| public void skipValue(ProtonBuffer buffer, DecoderState state) throws DecodeException { |
| buffer.readByte(); |
| } |
| |
| @Override |
| public void skipValue(InputStream stream, StreamDecoderState state) throws DecodeException { |
| ProtonStreamUtils.readByte(stream); |
| } |
| } |