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/*
* 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.amqp_1_0.codec;
import org.apache.qpid.amqp_1_0.type.AmqpErrorException;
import org.apache.qpid.amqp_1_0.type.UnsignedInteger;
import org.apache.qpid.amqp_1_0.type.transport.ConnectionError;
import org.apache.qpid.amqp_1_0.type.transport.Error;
import java.nio.ByteBuffer;
public class SmallUIntConstructor implements TypeConstructor
{
private static final SmallUIntConstructor INSTANCE = new SmallUIntConstructor();
public static SmallUIntConstructor getInstance()
{
return INSTANCE;
}
private SmallUIntConstructor()
{
}
public Object construct(final ByteBuffer in, ValueHandler handler) throws AmqpErrorException
{
if(in.hasRemaining())
{
byte b = in.get();
return UnsignedInteger.valueOf(((int) b) & 0xff);
}
else
{
Error error = new Error();
error.setCondition(ConnectionError.FRAMING_ERROR);
error.setDescription("Cannot construct uint: insufficient input data");
throw new AmqpErrorException(error);
}
}
}
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