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using System;
using System.Collections;
using System.Text;
using Qpid.Framing;
using Qpid.Messaging;
namespace Qpid.Client.Message
{
internal class QpidHeaders : IHeaders
{
private FieldTable _headers;
public QpidHeaders(FieldTable headers)
{
if ( headers == null )
throw new ArgumentNullException("headers");
_headers = headers;
}
public bool Contains(string name)
{
CheckPropertyName(name);
return _headers.Contains(name);
}
public void Clear()
{
_headers.Clear();
}
public string this[string name]
{
get
{
return GetString(name);
}
set
{
SetString(name, value);
}
}
public bool GetBoolean(string name)
{
CheckPropertyName(name);
if ( Contains(name) )
return _headers.GetBoolean(name);
return false;
}
public void SetBoolean(string name, bool b)
{
CheckPropertyName(name);
_headers.SetBoolean(name, b);
}
public byte GetByte(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetByte(propertyName);
return 0;
}
public void SetByte(string propertyName, byte b)
{
CheckPropertyName(propertyName);
_headers.SetByte(propertyName, b);
}
// we have sbyte overloads to interoperate with java
// because the Java client/server uses signed bytes
// by default, while C#'s is unsigned
public sbyte GetSByte(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetSByte(propertyName);
return 0;
}
public void SetSByte(string propertyName, sbyte b)
{
CheckPropertyName(propertyName);
_headers.SetSByte(propertyName, b);
}
public short GetShort(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetInt16(propertyName);
return 0;
}
public void SetShort(string propertyName, short i)
{
CheckPropertyName(propertyName);
_headers.SetInt16(propertyName, i);
}
public int GetInt(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetInt32(propertyName);
return 0;
}
public void SetInt(string propertyName, int i)
{
CheckPropertyName(propertyName);
_headers.SetInt32(propertyName, i);
}
public long GetLong(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetInt64(propertyName);
return 0;
}
public void SetLong(string propertyName, long l)
{
CheckPropertyName(propertyName);
_headers.SetInt64(propertyName, l);
}
public float GetFloat(String propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetFloat(propertyName);
return 0f;
}
public void SetFloat(string propertyName, float f)
{
CheckPropertyName(propertyName);
_headers.SetFloat(propertyName, f);
}
public double GetDouble(string propertyName)
{
CheckPropertyName(propertyName);
if ( Contains(propertyName) )
return _headers.GetDouble(propertyName);
return 0;
}
public void SetDouble(string propertyName, double v)
{
CheckPropertyName(propertyName);
_headers.SetDouble(propertyName, v);
}
public string GetString(string propertyName)
{
CheckPropertyName(propertyName);
return _headers.GetString(propertyName);
}
public void SetString(string propertyName, string value)
{
CheckPropertyName(propertyName);
_headers.SetString(propertyName, value);
}
private static void CheckPropertyName(string propertyName)
{
if ( propertyName == null )
{
throw new ArgumentException("Property name must not be null");
} else if ( "".Equals(propertyName) )
{
throw new ArgumentException("Property name must not be the empty string");
}
}
public override string ToString()
{
StringBuilder buf = new StringBuilder("{");
int i = 0;
foreach ( DictionaryEntry entry in _headers )
{
++i;
if ( i > 1 )
{
buf.Append(", ");
}
string propertyName = (string)entry.Key;
if ( propertyName == null )
{
buf.Append("\nInternal error: Property with NULL key defined");
} else
{
buf.Append(propertyName);
buf.Append(" = ").Append(entry.Value);
}
}
buf.Append("}");
return buf.ToString();
}
}
}
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