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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.
*/
namespace Apache.Qpid.Channel
{
using System;
using System.IO;
using System.Xml;
internal sealed class RawXmlWriter : XmlDictionaryWriter
{
WriteState state;
Stream stream;
bool closed;
bool rawWritingEnabled;
public RawXmlWriter(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("Stream");
}
this.stream = stream;
this.state = WriteState.Start;
}
public override WriteState WriteState
{
get
{
return this.state;
}
}
public override void Close()
{
if (!this.closed)
{
this.closed = true;
this.state = WriteState.Closed;
this.rawWritingEnabled = false;
}
}
public override void Flush()
{
this.ThrowIfClosed();
this.stream.Flush();
}
public override string LookupPrefix(string ns)
{
return null;
}
public override void WriteBase64(byte[] buffer, int index, int count)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
ThrowIfClosed();
if (!this.rawWritingEnabled)
{
throw new InvalidOperationException("XmlWriter not in Element");
}
this.stream.Write(buffer, index, count);
this.state = WriteState.Content;
}
public override void WriteStartElement(string prefix, string localName, string ns)
{
ThrowIfClosed();
if (this.state != WriteState.Start)
{
throw new InvalidOperationException("Start Element Already Called");
}
if (!string.IsNullOrEmpty(prefix) || !string.IsNullOrEmpty(ns) || localName != RawMessageEncoder.StreamElementName)
{
throw new XmlException("Wrong XML Start Element Name");
}
this.state = WriteState.Element;
this.rawWritingEnabled = true;
}
public override void WriteEndElement()
{
ThrowIfClosed();
if (!this.rawWritingEnabled)
{
throw new InvalidOperationException("Unexpected End Element");
}
this.rawWritingEnabled = false;
}
public override void WriteFullEndElement()
{
this.WriteEndElement();
}
public override void WriteEndDocument()
{
this.rawWritingEnabled = false;
this.ThrowIfClosed();
}
public override void WriteStartDocument()
{
this.rawWritingEnabled = false;
this.ThrowIfClosed();
}
public override void WriteStartDocument(bool standalone)
{
this.rawWritingEnabled = false;
this.ThrowIfClosed();
}
private void ThrowIfClosed()
{
if (this.closed)
{
throw new InvalidOperationException("XML Writer closed");
}
}
public override void WriteString(string text)
{
throw new NotSupportedException();
}
public override void WriteCData(string text)
{
throw new NotSupportedException();
}
public override void WriteCharEntity(char ch)
{
throw new NotSupportedException();
}
public override void WriteChars(char[] buffer, int index, int count)
{
throw new NotSupportedException();
}
public override void WriteComment(string text)
{
throw new NotSupportedException();
}
public override void WriteDocType(string name, string pubid, string sysid, string subset)
{
throw new NotSupportedException();
}
public override void WriteEndAttribute()
{
throw new NotSupportedException();
}
public override void WriteEntityRef(string name)
{
throw new NotSupportedException();
}
public override void WriteProcessingInstruction(string name, string text)
{
throw new NotSupportedException();
}
public override void WriteRaw(string data)
{
throw new NotSupportedException();
}
public override void WriteRaw(char[] buffer, int index, int count)
{
throw new NotSupportedException();
}
public override void WriteStartAttribute(string prefix, string localName, string ns)
{
throw new NotSupportedException();
}
public override void WriteSurrogateCharEntity(char lowChar, char highChar)
{
throw new NotSupportedException();
}
public override void WriteWhitespace(string ws)
{
throw new NotSupportedException();
}
}
}
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