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#region Copyright
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#endregion
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using System;
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using Seasar.Framework.Xml;
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namespace Seasar.Framework.Xml
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{
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public sealed class XmlHandler
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{
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private TagHandlerRule tagHandlerRule_;
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private TagHandlerContext context_ = new TagHandlerContext();
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public XmlHandler(TagHandlerRule tagHandlerRule)
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{
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tagHandlerRule_ = tagHandlerRule;
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}
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public TagHandlerContext TagHandlerContext
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{
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get { return context_; }
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}
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public void StartElement(string qName,IAttributes attributes)
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{
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this.AppendBody();
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context_.StartElement(qName);
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this.Start(attributes);
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}
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public void Characters(string text)
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{
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context_.Characters = text;
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this.AppendBody();
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}
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public void EndElement(string qName)
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{
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this.AppendBody();
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this.End();
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context_.EndElement();
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}
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public object Result
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{
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get { return context_.Result; }
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}
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private TagHandler GetTagHandlerByPath()
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{
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return tagHandlerRule_[context_.Path];
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}
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private TagHandler GetTagHandlerByQName()
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{
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return tagHandlerRule_[context_.QName];
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}
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private void Start(IAttributes attributes)
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{
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TagHandler th = this.GetTagHandlerByPath();
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this.Start(th,attributes);
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th = this.GetTagHandlerByQName();
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this.Start(th,attributes);
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}
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private void Start(TagHandler handler, IAttributes attributes)
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{
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if(handler != null)
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{
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try
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{
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handler.Start(context_,attributes);
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}
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catch(Exception ex)
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{
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this.ReportDetailPath(ex);
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throw ex;
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}
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}
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}
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private void AppendBody()
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{
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string characters = context_.Characters;
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if(characters.Length > 0)
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{
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TagHandler th = this.GetTagHandlerByPath();
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this.AppendBody(th,characters);
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th = this.GetTagHandlerByQName();
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this.AppendBody(th,characters);
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context_.ClearCharacters();
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}
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}
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private void AppendBody(TagHandler handler, string characters)
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{
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if(handler != null)
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{
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try
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{
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handler.AppendBody(context_, characters);
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}
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catch(Exception ex)
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{
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0
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this.ReportDetailPath(ex);
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0
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throw ex;
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}
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}
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}
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private void End()
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{
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string body = context_.Body;
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TagHandler th = this.GetTagHandlerByPath();
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this.End(th,body);
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th = this.GetTagHandlerByQName();
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this.End(th,body);
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}
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private void End(TagHandler handler, string body)
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{
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2874
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if(handler != null)
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{
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1416
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try
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{
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handler.End(context_,body);
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}
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catch(Exception ex)
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{
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0
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this.ReportDetailPath(ex);
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0
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throw ex;
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}
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}
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}
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1
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private void ReportDetailPath(Exception cause)
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{
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1
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Console.WriteLine("Exception occured at " + context_.DetailPath);
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1
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Console.WriteLine(cause.Message);
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1
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Console.WriteLine(cause.StackTrace);
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}
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}
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}
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