/*
*
* 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.proton.type.transport;
import java.util.Map;
import java.util.List;
import java.util.AbstractList;
import org.apache.qpid.proton.codec.DecodeException;
import org.apache.qpid.proton.codec.Decoder;
import org.apache.qpid.proton.codec.DescribedTypeConstructor;
import org.apache.qpid.proton.type.*;
public class Error
implements DescribedType
{
private static final Object[] DESCRIPTORS =
{
UnsignedLong.valueOf(0x000000000000001dL), Symbol.valueOf("amqp:error:list"),
};
private static final UnsignedLong DESCRIPTOR = UnsignedLong.valueOf(0x000000000000001dL);
private final ErrorWrapper _wrapper = new ErrorWrapper();
private Symbol _condition;
private String _description;
private Map _info;
public Symbol getCondition()
{
return _condition;
}
public void setCondition(Symbol condition)
{
if( condition == null )
{
throw new NullPointerException("the condition field is mandatory");
}
_condition = condition;
}
public String getDescription()
{
return _description;
}
public void setDescription(String description)
{
_description = description;
}
public Map getInfo()
{
return _info;
}
public void setInfo(Map info)
{
_info = info;
}
public Object getDescriptor()
{
return DESCRIPTOR;
}
public Object getDescribed()
{
return _wrapper;
}
public Object get(final int index)
{
switch(index)
{
case 0:
return _condition;
case 1:
return _description;
case 2:
return _info;
}
throw new IllegalStateException("Unknown index " + index);
}
public int size()
{
return _info != null
? 3
: _description != null
? 2
: 1;
}
public final class ErrorWrapper extends AbstractList
{
@Override
public Object get(final int index)
{
return Error.this.get(index);
}
@Override
public int size()
{
return Error.this.size();
}
}
private static class ErrorConstructor implements DescribedTypeConstructor<Error>
{
public Error newInstance(Object described)
{
List l = (List) described;
Error o = new Error();
if(l.size() <= 0)
{
throw new DecodeException("The condition field cannot be omitted");
}
switch(3 - l.size())
{
case 0:
o.setInfo( (Map) l.get( 2 ) );
case 1:
o.setDescription( (String) l.get( 1 ) );
case 2:
o.setCondition( (Symbol) l.get( 0 ) );
}
return o;
}
public Class<Error> getTypeClass()
{
return Error.class;
}
}
public static void register(Decoder decoder)
{
ErrorConstructor constructor = new ErrorConstructor();
for(Object descriptor : DESCRIPTORS)
{
decoder.register(descriptor, constructor);
}
}
@Override
public String toString()
{
return "Error{" +
"_condition=" + _condition +
", _description='" + _description + '\'' +
", _info=" + _info +
'}';
}
}