// return:
// -1 出错
// >=0 命中的记录数
int SearchLineAmazon(RegisterLine line,
AccountInfo account,
out string strError)
{
strError = "";
// ??? this._currentAccount = account;
line.BiblioSummary = "正在针对 " + account.ServerName + " \r\n检索 " + line.BiblioBarcode + " ...";
AmazonSearch search = new AmazonSearch();
// search.MainForm = this.MainForm;
search.TempFileDir = this.MainForm.UserTempDir;
// 多行检索中的一行检索
int nRedoCount = 0;
REDO:
int nRet = search.Search(
account.ServerUrl,
line.BiblioBarcode.Replace("-", ""),
"ISBN",
"[default]",
true,
out strError);
if (nRet == -1)
{
if (search.Exception != null && search.Exception is WebException)
{
WebException e = search.Exception as WebException;
if (e.Status == WebExceptionStatus.ProtocolError)
{
// 重做
if (nRedoCount < 2)
{
nRedoCount++;
Thread.Sleep(1000);
goto REDO;
}
#if NO
// 询问是否重做
DialogResult result = MessageBox.Show(this,
"检索 '" + strLine + "' 时发生错误:\r\n\r\n" + strError + "\r\n\r\n是否重试?\r\n\r\n(Yes: 重试; No: 跳过这一行继续检索后面的行； Cancel: 中断整个检索操作",
"AmazonSearchForm",
MessageBoxButtons.YesNoCancel,
MessageBoxIcon.Question,
MessageBoxDefaultButton.Button1);
if (result == System.Windows.Forms.DialogResult.Retry)
{
Thread.Sleep(1000);
goto REDO;
}
if (result == System.Windows.Forms.DialogResult.Cancel)
return -1;
goto CONTINUE;
#endif
goto ERROR1;
}
}
goto ERROR1;
}
nRet = search.LoadBrowseLines(appendBrowseLine,
line,
false,
out strError);
if (nRet == -1)
goto ERROR1;
return nRet;
ERROR1:
strError = "针对服务器 '" + account.ServerName + "' 检索出错: " + strError;
line.AddBiblioBrowseLine(strError, BiblioRegisterControl.TYPE_ERROR);
return -1;
}
// 针对 dp2library 服务器进行检索
// parameters:
//
// return:
// -1 出错
// >=0 命中的记录数
int SearchLineDp2library(RegisterLine line,
AccountInfo account,
out string strError)
{
strError = "";
int nRet = 0;
// ??? _currentAccount = account;
_channel = _base.GetChannel(account.ServerUrl, account.UserName);
_channel.Timeout = new TimeSpan(0, 0, 5); // 超时值为 5 秒
try
{
string strQueryWord = line.BiblioBarcode;
string strFromStyle = "";
try
{
strFromStyle = this.MainForm.GetBiblioFromStyle("ISBN");
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
if (String.IsNullOrEmpty(strFromStyle) == true)
{
strError = "GetFromStyle()没有找到 '" + "ISBN" + "' 对应的style字符串";
goto ERROR1;
}
string strMatchStyle = "left"; // BiblioSearchForm.GetCurrentMatchStyle(this.comboBox_matchStyle.Text);
if (string.IsNullOrEmpty(strQueryWord) == true)
{
if (strMatchStyle == "null")
{
strQueryWord = "";
// 专门检索空值
strMatchStyle = "exact";
}
else
{
// 为了在检索词为空的时候，检索出全部的记录
strMatchStyle = "left";
}
}
else
{
if (strMatchStyle == "null")
{
strError = "检索空值的时候，请保持检索词为空";
goto ERROR1;
}
}
ServerInfo server_info = null;
if (line != null)
line.BiblioSummary = "正在获取服务器 " + account.ServerName + " 的配置信息 ...";
// 准备服务器信息
nRet = _base.GetServerInfo(
// line,
_channel,
account,
out server_info,
out strError);
if (nRet == -1)
goto ERROR1; // 可以不报错 ?
line.BiblioSummary = "正在针对 "+account.ServerName+ " \r\n检索 " + line.BiblioBarcode + " ...";
string strQueryXml = "";
long lRet = _channel.SearchBiblio(Progress,
server_info == null ? "<全部>" : server_info.GetBiblioDbNames(), // "<全部>",
strQueryWord, // this.textBox_queryWord.Text,
1000,
strFromStyle,
strMatchStyle,
_base.Lang,
null, // strResultSetName
"", // strSearchStyle
"", // strOutputStyle
out strQueryXml,
out strError);
if (lRet == -1)
{
strError = "针对服务器 '"+account.ServerName+"' 检索出错: " + strError;
goto ERROR1;
}
// 装入浏览格式
long lHitCount = lRet;
long lStart = 0;
long lCount = lHitCount;
DigitalPlatform.CirculationClient.localhost.Record[] searchresults = null;
string strStyle = "id";
List<string> biblio_recpaths = new List<string>();
// 装入浏览格式
for (; ; )
{
if (this.Progress != null && this.Progress.State != 0)
{
break;
}
// DoTasks();
lRet = _channel.GetSearchResult(
this.Progress,
null, // strResultSetName
lStart,
lCount,
strStyle, // bOutputKeyCount == true ? "keycount" : "id,cols",
_base.Lang,
out searchresults,
out strError);
if (lRet == -1)
{
strError = "检索共命中 " + lHitCount.ToString() + " 条，已装入 " + lStart.ToString() + " 条，" + strError;
goto ERROR1;
}
if (lRet == 0)
break;
// 处理浏览结果
foreach (DigitalPlatform.CirculationClient.localhost.Record searchresult in searchresults)
{
biblio_recpaths.Add(searchresult.Path);
}
{
// 获得书目摘要
BiblioLoader loader = new BiblioLoader();
loader.Channel = _channel;
loader.Stop = this.Progress;
loader.Format = "xml";
loader.GetBiblioInfoStyle = GetBiblioInfoStyle.Timestamp;
loader.RecPaths = biblio_recpaths;
try
{
int i = 0;
foreach (BiblioItem item in loader)
{
string strXml = item.Content;
string strMARC = "";
string strMarcSyntax = "";
// 将XML格式转换为MARC格式
// 自动从数据记录中获得MARC语法
nRet = MarcUtil.Xml2Marc(strXml, // info.OldXml,
true,
null,
out strMarcSyntax,
out strMARC,
out strError);
if (nRet == -1)
{
strError = "XML转换到MARC记录时出错: " + strError;
goto ERROR1;
}
string strBrowseText = "";
nRet = BuildMarcBrowseText(
strMarcSyntax,
strMARC,
out strBrowseText,
out strError);
if (nRet == -1)
{
strError = "MARC记录转换到浏览格式时出错: " + strError;
goto ERROR1;
}
RegisterBiblioInfo info = new RegisterBiblioInfo();
info.OldXml = strMARC;
info.Timestamp = item.Timestamp;
info.RecPath = item.RecPath + "@" + account.ServerName;
info.MarcSyntax = strMarcSyntax;
line.AddBiblioBrowseLine(
-1,
info.RecPath,
strBrowseText,
info);
i++;
}
}
catch (Exception ex)
{
strError = ex.Message;
goto ERROR1;
}
// lIndex += biblio_recpaths.Count;
biblio_recpaths.Clear();
}
lStart += searchresults.Length;
lCount -= searchresults.Length;
if (lStart >= lHitCount || lCount <= 0)
break;
}
return (int)lHitCount;
}
finally
{
_base.ReturnChannel(_channel);
_channel = null;
}
ERROR1:
#if NO
line.SetDisplayMode("summary");
line.SetBiblioSearchState("error");
line.BiblioSummary = strError;
#endif
line.AddBiblioBrowseLine(strError, BiblioRegisterControl.TYPE_ERROR);
return -1;
}
void SearchLine(RegisterLine line)
{
string strError = "";
int nRet = 0;
if (this.ServersDom == null)
{
strError = "ServersDom 为空";
goto ERROR1;
}
string strTotalError = "";
this.Progress.OnStop += new StopEventHandler(this.DoStop);
// this.Progress.Initial("进行一轮任务处理...");
this.Progress.BeginLoop();
try
{
int nHitCount = 0;
line.SetBiblioSearchState("searching");
line.BiblioSummary = "正在检索 " + line.BiblioBarcode + " ...";
XmlNodeList servers = this.ServersDom.DocumentElement.SelectNodes("server");
foreach (XmlElement server in servers)
{
AccountInfo account = EntityRegisterBase.GetAccountInfo(server);
Debug.Assert(account != null, "");
_base.CurrentAccount = account;
#if NO
string strName = server.GetAttribute("name");
string strType = server.GetAttribute("type");
string strUrl = server.GetAttribute("url");
string strUserName = server.GetAttribute("userName");
string strPassword = server.GetAttribute("password");
// e.Password = this.MainForm.DecryptPasssword(e.Password);
string strIsReader = server.GetAttribute("isReader");
#endif
if (account.ServerType == "dp2library")
{
nRet = SearchLineDp2library(line,
account,
out strError);
if (nRet == -1)
strTotalError += strError + "\r\n";
else
nHitCount += nRet;
}
else if (account.ServerType == "amazon")
{
nRet = SearchLineAmazon(line,
account,
out strError);
if (nRet == -1)
strTotalError += strError + "\r\n";
else
nHitCount += nRet;
}
}
line.SetBiblioSearchState(nHitCount.ToString());
//
if (nHitCount == 1)
{
// TODO: 如果有报错的行，是否就不要自动模拟双击了？ 假如这种情况是因为红泥巴服务器持续无法访问引起的，需要有配置办法可以临时禁用这个数据源
// 模拟双击
int index = line._biblioRegister.GetFirstRecordIndex();
if (index == -1)
{
strError = "获得第一个浏览记录 index 时出错";
goto ERROR1;
}
nRet = line._biblioRegister.SelectBiblio(index,
out strError);
if (nRet == -1)
goto ERROR1;
}
else
{
if (nHitCount > 1)
line.SetDisplayMode("select");
else
{
// 进入详细状态，可以新创建一条记录
line.AddBiblioBrowseLine(BiblioRegisterControl.TYPE_INFO,
"没有命中书目记录。双击本行新创建书目记录",
"",
BuildBlankBiblioInfo(line.BiblioBarcode));
line.SetDisplayMode("select");
}
}
}
finally
{
this.Progress.EndLoop();
this.Progress.OnStop -= new StopEventHandler(this.DoStop);
// this.Progress.Initial("");
}
if (string.IsNullOrEmpty(strTotalError) == false)
{
// DisplayFloatErrorText(strTotalError);
line._biblioRegister.BarColor = "R"; // 红色，需引起注意
this.SetColorList();
}
else
{
line._biblioRegister.BarColor = "Y"; // 黄色表示等待选择?
this.SetColorList();
}
return;
ERROR1:
line.SetDisplayMode("summary");
line.SetBiblioSearchState("error");
line.BiblioSummary = strError;
DisplayFloatErrorText(strError);
line._biblioRegister.BarColor = "R"; // 红色，需引起注意
this.SetColorList();
}