private AMQTypedValue SetProperty(string key, AMQTypedValue value)
{
InitMapIfNecessary();
_encodedForm = null;
if (value == null)
{
RemoveKey(key);
}
AMQTypedValue oldVal = (AMQTypedValue)_properties[key];
_properties.Add(key, value);
if (oldVal != null)
{
_encodedSize -= oldVal.EncodingLength;
}
else
{
_encodedSize += EncodingUtils.EncodedShortStringLength(key) + (uint)1;
}
if (value != null)
{
_encodedSize += value.EncodingLength;
}
return(oldVal);
}
private void SetFromBuffer(ByteBuffer buffer, uint length)
{
bool trace = _log.IsDebugEnabled;
if (length > 0)
{
int expectedRemaining = buffer.Remaining - (int)length;
_properties = new LinkedHashtable();
do
{
string key = EncodingUtils.ReadShortString(buffer);
AMQTypedValue value = AMQTypedValue.ReadFromBuffer(buffer);
if (trace)
{
_log.Debug(string.Format("FieldTable::PropFieldTable(buffer,{0}): Read type '{1}', key '{2}', value '{3}'", length, value.Type, key, value.Value));
}
_properties.Add(key, value);
} while (buffer.Remaining > expectedRemaining);
_encodedSize = length;
}
if (trace)
{
_log.Debug("FieldTable::FieldTable(buffer," + length + "): Done.");
}
}
//
// Public Methods
//
/// <summary>
/// Removes the property with the specified name
/// </summary>
/// <param name="key">The name of the property to remove</param>
/// <returns>The previous value of the property or null</returns>
public AMQTypedValue RemoveKey(string key)
{
InitMapIfNecessary();
_encodedForm = null;
AMQTypedValue value = (AMQTypedValue)_properties[key];
if (value != null)
{
_properties.Remove(key);
_encodedSize -= EncodingUtils.EncodedShortStringLength(key);
_encodedSize--;
_encodedSize -= value.EncodingLength;
}
return(value);
}
public void WritePayload(ByteBuffer buffer)
{
if (_encodedForm != null)
{
lock ( _syncLock )
{
buffer.Put(_encodedForm);
_encodedForm.Flip();
}
}
else if (_properties != null)
{
foreach (DictionaryEntry de in _properties)
{
string key = (string)de.Key;
AMQTypedValue value = (AMQTypedValue)de.Value;
try
{
if (_log.IsDebugEnabled)
{
_log.Debug("Writing Property:" + key +
" Type:" + value.Type +
" Value:" + value.Value);
_log.Debug("Buffer Position:" + buffer.Position +
" Remaining:" + buffer.Remaining);
}
//Write the actual parameter name
EncodingUtils.WriteShortStringBytes(buffer, key);
value.WriteToBuffer(buffer);
} catch (Exception ex)
{
if (_log.IsDebugEnabled)
{
_log.Debug("Exception thrown:" + ex);
_log.Debug("Writing Property:" + key +
" Type:" + value.Type +
" Value:" + value.Value);
_log.Debug("Buffer Position:" + buffer.Position +
" Remaining:" + buffer.Remaining);
}
throw;
}
}
}
}
private AMQTypedValue SetProperty(string key, AMQTypedValue value)
{
InitMapIfNecessary();
_encodedForm = null;
if ( value == null )
{
RemoveKey(key);
}
AMQTypedValue oldVal = (AMQTypedValue)_properties[key];
_properties.Add(key, value);
if ( oldVal != null )
{
_encodedSize -= oldVal.EncodingLength;
} else
{
_encodedSize += EncodingUtils.EncodedShortStringLength(key) + (uint)1;
}
if ( value != null )
{
_encodedSize += value.EncodingLength;
}
return oldVal;
}
private object GetObject(string key)
{
AMQTypedValue value = GetProperty(key);
return(value != null ? value.Value : null);
}
