using System;
using System.Text;
using System.IO;
using System.Xml;
using Google.ProtocolBuffers.Serialization;
namespace Google.ProtocolBuffers
{
/// <summary>
/// Extension methods for using serializers on instances of IMessageLite/IBuilderLite
/// </summary>
public static class Extensions
{
#region IMessageLite Extension
/// <summary>
/// Serializes the message to JSON text. This is a trivial wrapper
/// around Serialization.JsonFormatWriter.WriteMessage.
/// </summary>
public static string ToJson(this IMessageLite message)
{
JsonFormatWriter w = JsonFormatWriter.CreateInstance();
w.WriteMessage(message);
return w.ToString();
}
/// <summary>
/// Serializes the message to XML text. This is a trivial wrapper
/// around Serialization.XmlFormatWriter.WriteMessage.
/// </summary>
public static string ToXml(this IMessageLite message)
{
StringWriter w = new StringWriter(new StringBuilder(4096));
XmlFormatWriter.CreateInstance(w).WriteMessage(message);
return w.ToString();
}
/// <summary>
/// Serializes the message to XML text using the element name provided.
/// This is a trivial wrapper around Serialization.XmlFormatWriter.WriteMessage.
/// </summary>
public static string ToXml(this IMessageLite message, string rootElementName)
{
StringWriter w = new StringWriter(new StringBuilder(4096));
XmlFormatWriter.CreateInstance(w).WriteMessage(rootElementName, message);
return w.ToString();
}
#endregion
#region IBuilderLite Extensions
/// <summary>
/// Merges a JSON object into this builder and returns
/// </summary>
public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, string jsonText) where TBuilder : IBuilderLite
{
return JsonFormatReader.CreateInstance(jsonText)
.Merge(builder);
}
/// <summary>
/// Merges a JSON object into this builder and returns
/// </summary>
public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, TextReader reader) where TBuilder : IBuilderLite
{
return MergeFromJson(builder, reader, ExtensionRegistry.Empty);
}
/// <summary>
/// Merges a JSON object into this builder using the extensions provided and returns
/// </summary>
public static TBuilder MergeFromJson<TBuilder>(this TBuilder builder, TextReader reader, ExtensionRegistry extensionRegistry) where TBuilder : IBuilderLite
{
return JsonFormatReader.CreateInstance(reader)
.Merge(builder, extensionRegistry);
}
/// <summary>
/// Merges an XML object into this builder and returns
/// </summary>
public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, XmlReader reader) where TBuilder : IBuilderLite
{
return MergeFromXml(builder, XmlFormatReader.DefaultRootElementName, reader, ExtensionRegistry.Empty);
}
/// <summary>
/// Merges an XML object into this builder and returns
/// </summary>
public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, string rootElementName, XmlReader reader) where TBuilder : IBuilderLite
{
return MergeFromXml(builder, rootElementName, reader, ExtensionRegistry.Empty);
}
/// <summary>
/// Merges an XML object into this builder using the extensions provided and returns
/// </summary>
public static TBuilder MergeFromXml<TBuilder>(this TBuilder builder, string rootElementName, XmlReader reader,
ExtensionRegistry extensionRegistry) where TBuilder : IBuilderLite
{
return XmlFormatReader.CreateInstance(reader)
.Merge(rootElementName, builder, extensionRegistry);
}
#endregion
}
}