public static void ExportData(ExportSpec exportSpec)
{
using (var streamWriter = new StreamWriter(new GZipStream(File.Create(exportSpec.File), CompressionMode.Compress)))
{
var jsonWriter = new JsonTextWriter(streamWriter)
{
Formatting = Formatting.Indented
};
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("Indexes");
jsonWriter.WriteStartArray();
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
int totalCount = 0;
while (true)
{
var documents = GetString(webClient.DownloadData(exportSpec.InstanceUrl + "indexes?pageSize=128&start=" + totalCount));
var array = RavenJArray.Parse(documents);
if (array.Length == 0)
{
Console.WriteLine("Done with reading indexes, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} indexes, read so far: {1,10:#,#}", array.Length,
totalCount);
foreach (RavenJToken item in array)
{
item.WriteTo(jsonWriter);
}
}
}
jsonWriter.WriteEndArray();
jsonWriter.WritePropertyName("Docs");
jsonWriter.WriteStartArray();
if (!exportSpec.ExportIndexesOnly)
{
ExportDocuments(exportSpec, jsonWriter);
}
jsonWriter.WriteEndArray();
jsonWriter.WritePropertyName("Attachments");
jsonWriter.WriteStartArray();
if (exportSpec.IncludeAttachments)
{
ExportAttachments(jsonWriter, exportSpec);
}
jsonWriter.WriteEndArray();
jsonWriter.WriteEndObject();
streamWriter.Flush();
}
}
private static void ExportDocuments(ExportSpec exportSpec, JsonTextWriter jsonWriter)
{
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
var lastEtag = Guid.Empty;
int totalCount = 0;
while (true)
{
var documents =
GetString(webClient.DownloadData(exportSpec.InstanceUrl + "docs?pageSize=128&etag=" + lastEtag));
var array = RavenJArray.Parse(documents);
if (array.Length == 0)
{
Console.WriteLine("Done with reading documents, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} documents, read so far: {1,10:#,#;;0}", array.Length,
totalCount);
foreach (RavenJToken item in array)
{
item.WriteTo(jsonWriter);
}
lastEtag = new Guid(array.Last().Value <RavenJObject>("@metadata").Value <string>("@etag"));
}
}
}
public static void ExportData(ExportSpec exportSpec)
{
using (var streamWriter = new StreamWriter(new GZipStream(File.Create(exportSpec.File), CompressionMode.Compress)))
{
var jsonWriter = new JsonTextWriter(streamWriter)
{
Formatting = Formatting.Indented
};
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName("Indexes");
jsonWriter.WriteStartArray();
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
int totalCount = 0;
while (true)
{
var documents = GetString(webClient.DownloadData(exportSpec.InstanceUrl + "indexes?pageSize=128&start=" + totalCount));
var array = RavenJArray.Parse(documents);
if (array.Length == 0)
{
Console.WriteLine("Done with reading indexes, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} indexes, read so far: {1,10:#,#;;0}", array.Length,
totalCount);
foreach (RavenJToken item in array)
{
item.WriteTo(jsonWriter);
}
}
}
jsonWriter.WriteEndArray();
jsonWriter.WritePropertyName("Docs");
jsonWriter.WriteStartArray();
if (!exportSpec.ExportIndexesOnly)
{
ExportDocuments(exportSpec, jsonWriter);
}
jsonWriter.WriteEndArray();
jsonWriter.WritePropertyName("Attachments");
jsonWriter.WriteStartArray();
if (exportSpec.IncludeAttachments)
{
ExportAttachments(jsonWriter, exportSpec);
}
jsonWriter.WriteEndArray();
jsonWriter.WriteEndObject();
streamWriter.Flush();
}
}
static void ExportAttachments(JsonTextWriter jsonWriter, ExportSpec exportSpec)
{
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
var lastEtag = Guid.Empty;
int totalCount = 0;
while (true)
{
var attachmentInfo = GetString(webClient.DownloadData(exportSpec.InstanceUrl + "/static/?pageSize=128&etag=" + lastEtag));
var array = RavenJArray.Parse(attachmentInfo);
if (array.Length == 0)
{
Console.WriteLine("Done with reading attachments, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} attachments, read so far: {1,10:#,#;;0}", array.Length,
totalCount);
foreach (var item in array)
{
Console.WriteLine("Downloading attachment: {0}", item.Value <string>("Key"));
var attachmentData = webClient.DownloadData(exportSpec.InstanceUrl + "/static/" + item.Value <string>("Key"));
new RavenJObject
{
{ "Data", attachmentData },
{ "Metadata", item.Value <RavenJObject>("Metadata") },
{ "Key", item.Value <string>("Key") }
}
.WriteTo(jsonWriter);
}
lastEtag = new Guid(array.Last().Value <string>("Etag"));
}
}
}
static void ExportAttachments(JsonTextWriter jsonWriter, ExportSpec exportSpec)
{
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
var lastEtag = Guid.Empty;
int totalCount = 0;
while (true)
{
var attachmentInfo = GetString(webClient.DownloadData(exportSpec.InstanceUrl + "/static/?pageSize=128&etag=" + lastEtag));
var array = RavenJArray.Parse(attachmentInfo);
if (array.Length == 0)
{
Console.WriteLine("Done with reading attachments, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} attachments, read so far: {1,10:#,#}", array.Length,
totalCount);
foreach (var item in array)
{
Console.WriteLine("Downloading attachment: {0}", item.Value<string>("Key"));
var attachmentData = webClient.DownloadData(exportSpec.InstanceUrl + "/static/" + item.Value<string>("Key"));
new RavenJObject
{
{"Data", attachmentData},
{"Metadata", item.Value<RavenJObject>("Metadata")},
{"Key", item.Value<string>("Key")}
}
.WriteTo(jsonWriter);
}
lastEtag = new Guid(array.Last().Value<string>("Etag"));
}
}
}
private static void ExportDocuments(ExportSpec exportSpec, JsonTextWriter jsonWriter)
{
using (var webClient = new WebClient())
{
webClient.UseDefaultCredentials = true;
webClient.Credentials = CredentialCache.DefaultNetworkCredentials;
var lastEtag = Guid.Empty;
int totalCount = 0;
while (true)
{
var documents =
GetString(webClient.DownloadData(exportSpec.InstanceUrl + "docs?pageSize=128&etag=" + lastEtag));
var array = RavenJArray.Parse(documents);
if (array.Length == 0)
{
Console.WriteLine("Done with reading documents, total: {0}", totalCount);
break;
}
totalCount += array.Length;
Console.WriteLine("Reading batch of {0,3} documents, read so far: {1,10:#,#}", array.Length,
totalCount);
foreach (RavenJToken item in array)
{
item.WriteTo(jsonWriter);
}
lastEtag = new Guid(array.Last().Value<RavenJObject>("@metadata").Value<string>("@etag"));
}
}
}