Class HttpClientBase

Base class for Http clients.

Inheritance
System.Object
HttpClientBase
HttpReplicator
Namespace: Lucene.Net.Replicator.Http
Assembly: Lucene.Net.Replicator.dll
Syntax
public abstract class HttpClientBase : IDisposable
Remarks
This is a Lucene.NET EXPERIMENTAL API, use at your own risk

Constructors

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HttpClientBase(String, HttpClient)

Creates a new HttpClientBase with the given url and .

Declaration
protected HttpClientBase(string url, HttpClient client)
Parameters
Type Name Description
System.String url
HttpClient client

The to use make remote http calls.
Remarks

This allows full controll over how the is created, prefer the HttpClientBase(String, HttpMessageHandler) over this unless you know you need the control of the .

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HttpClientBase(String, HttpMessageHandler)

Creates a new HttpClientBase with the given url.

Declaration
protected HttpClientBase(string url, HttpMessageHandler messageHandler = null)
Parameters
Type Name Description
System.String url

The full url, including with host, port and path.
HttpMessageHandler messageHandler

Optional, The HTTP handler stack to use for sending requests.
Remarks

A is taken as an optional parameter as well, if this is not provided it defaults to null. In this case the internal will default to use a .

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HttpClientBase(String, Int32, String, HttpMessageHandler)

Creates a new HttpClientBase with the given host, port and path.

Declaration
protected HttpClientBase(string host, int port, string path, HttpMessageHandler messageHandler = null)
Parameters
Type Name Description
System.String host

The host that the client should retrieve data from.
System.Int32 port

The port to be used to connect on.
System.String path

The path to the replicator on the host.
HttpMessageHandler messageHandler

Optional, The HTTP handler stack to use for sending requests, defaults to null.
Remarks

The host, port and path parameters are normalized to http://{host}:{port}{path}, if path is null or empty it defaults to /.

A is taken as an optional parameter as well, if this is not provided it defaults to null. In this case the internal will default to use a .

Fields

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DEFAULT_CONNECTION_TIMEOUT

Default connection timeout for this client, in milliseconds. ConnectionTimeout

Declaration
public const int DEFAULT_CONNECTION_TIMEOUT = null
Field Value
Type Description
System.Int32

Properties

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ConnectionTimeout

Gets or Sets the connection timeout for this client, in milliseconds. This setting is used to modify .

Declaration
public virtual int ConnectionTimeout { get; set; }
Property Value
Type Description
System.Int32
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IsDisposed

Returns true if this instance was Dispose(Boolean)ed, otherwise returns false. Note that if you override Dispose(Boolean), you must call Dispose(Boolean) on the base class, in order for this instance to be properly disposed.

Declaration
public bool IsDisposed { get; }
Property Value
Type Description
System.Boolean
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Url

The URL to execute requests against.

Declaration
protected string Url { get; }
Property Value
Type Description
System.String

Methods

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Dispose()

Disposes this HttpClientBase. This disposes the underlying .

Declaration
public void Dispose()
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Dispose(Boolean)

Disposes this HttpClientBase. When called with 

true
, this disposes the underlying .

Declaration
protected virtual void Dispose(bool disposing)
Parameters
Type Name Description
System.Boolean disposing
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DoAction<T>(HttpResponseMessage, Func<T>)

Calls the overload DoAction<T>(HttpResponseMessage, Boolean, Func<T>) passing true to consume.

Declaration
protected virtual T DoAction<T>(HttpResponseMessage response, Func<T> call)
Parameters
Type Name Description
HttpResponseMessage response
Func<T> call
Returns
Type Description
T
Type Parameters
Name Description
T
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DoAction<T>(HttpResponseMessage, Boolean, Func<T>)

Do a specific action and validate after the action that the status is still OK, and if not, attempt to extract the actual server side exception. Optionally release the response at exit, depending on consume parameter.

Declaration
protected virtual T DoAction<T>(HttpResponseMessage response, bool consume, Func<T> call)
Parameters
Type Name Description
HttpResponseMessage response
System.Boolean consume
Func<T> call
Returns
Type Description
T
Type Parameters
Name Description
T
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EnsureOpen()

Throws if this client is already disposed.

Declaration
protected void EnsureOpen()
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ExecuteGet(String, String[])

Internal: Execute a request and return its result. The parameters argument is treated as: name1,value1,name2,value2,...

Declaration
protected virtual HttpResponseMessage ExecuteGet(string request, params string[] parameters)
Parameters
Type Name Description
System.String request
System.String[] parameters
Returns
Type Description
HttpResponseMessage
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ExecutePost(String, Object, String[])

Internal: Execute a request and return its result. The parameters argument is treated as: name1,value1,name2,value2,...

Declaration
protected virtual HttpResponseMessage ExecutePost(string request, object entity, params string[] parameters)
Parameters
Type Name Description
System.String request
System.Object entity
System.String[] parameters
Returns
Type Description
HttpResponseMessage
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ResponseInputStream(HttpResponseMessage)

Internal utility: input stream of the provided response.

Declaration
public virtual Stream ResponseInputStream(HttpResponseMessage response)
Parameters
Type Name Description
HttpResponseMessage response
Returns
Type Description
Stream
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ResponseInputStream(HttpResponseMessage, Boolean)

Internal utility: input stream of the provided response, which optionally consumes the response's resources when the input stream is exhausted.

Declaration
public virtual Stream ResponseInputStream(HttpResponseMessage response, bool consume)
Parameters
Type Name Description
HttpResponseMessage response
System.Boolean consume
Returns
Type Description
Stream
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ThrowKnownError(HttpResponseMessage)

Throws an exception for any errors.

Declaration
protected virtual void ThrowKnownError(HttpResponseMessage response)
Parameters
Type Name Description
HttpResponseMessage response
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VerifyStatus(HttpResponseMessage)

Internal: Verifies the response status and if not successful throws an exception.

Declaration
protected virtual void VerifyStatus(HttpResponseMessage response)
Parameters
Type Name Description
HttpResponseMessage response