com.yanzhenjie.andserver.framework.handler

Class OptionsHandler

java.lang.Object

com.yanzhenjie.andserver.framework.handler.OptionsHandler

All Implemented Interfaces:

ETag, MethodHandler, RequestHandler, LastModified

public class OptionsHandler
extends java.lang.Object
implements MethodHandler

Created by Zhenjie Yan on 10/17/20.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	INVALID_CORS_REQUEST

Constructor Summary

Constructors

Constructor and Description
OptionsHandler(HttpRequest optionsRequest, java.util.List<Mapping> mappings, java.util.Map<Mapping,RequestHandler> mappingMap)

Method Summary

Modifier and Type	Method and Description
Addition	getAddition() Get addition configuration, addition provides some added value.
CrossOrigin	getCrossOrigin() Get cross origin information.
java.lang.String	getETag(HttpRequest request) Get the ETag requesting the specified resource.
long	getLastModified(HttpRequest request) The return value will be sent to the HTTP client as Last-Modified header, and compared with If-Modified-Since headers that the client sends back.
Mapping	getMapping() Get mapping configuration, mapping provides all the annotation information for this method.
View	handle(HttpRequest request, HttpResponse response) Use the given handler to handle this request.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INVALID_CORS_REQUEST

public static final java.lang.String INVALID_CORS_REQUEST

See Also:

Constant Field Values

Constructor Detail

OptionsHandler

public OptionsHandler(HttpRequest optionsRequest,
                      java.util.List<Mapping> mappings,
                      java.util.Map<Mapping,RequestHandler> mappingMap)

Method Detail

getAddition

public Addition getAddition()

Description copied from interface: MethodHandler

Get addition configuration, addition provides some added value.

Specified by:

getAddition in interface MethodHandler

Returns:

Addition.

getCrossOrigin

public CrossOrigin getCrossOrigin()

Description copied from interface: MethodHandler

Get cross origin information.

Specified by:

getCrossOrigin in interface MethodHandler

Returns:

CrossOrigin

getMapping

public Mapping getMapping()

Description copied from interface: MethodHandler

Get mapping configuration, mapping provides all the annotation information for this method.

Specified by:

getMapping in interface MethodHandler

Returns:

Mapping.

handle

public View handle(HttpRequest request,
                   HttpResponse response)
            throws java.lang.Throwable

Description copied from interface: RequestHandler

Use the given handler to handle this request.

Specified by:

handle in interface RequestHandler

Parameters:

request - current request.

response - current response.

Returns:

the impression sent to the client.

Throws:

java.lang.Throwable

getETag

public java.lang.String getETag(HttpRequest request)
                         throws java.lang.Throwable

Description copied from interface: ETag

Get the ETag requesting the specified resource.

Can simply return null if there's no support.

Specified by:

getETag in interface ETag

Throws:

java.lang.Throwable

getLastModified

public long getLastModified(HttpRequest request)
                     throws java.lang.Throwable

Description copied from interface: LastModified

The return value will be sent to the HTTP client as Last-Modified header, and compared with If-Modified-Since headers that the client sends back. The content will only get regenerated if there has been a modification.

Specified by:

getLastModified in interface LastModified

Parameters:

request - current request

Returns:

the time the underlying resource was last modified, or -1 meaning that the content must always be regenerated.

Throws:

java.lang.Throwable