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com.vaadin.flow.i18n.
Package com.vaadin.flow.i18n
Class TranslationFileRequestHandler
java.lang.Object
com.vaadin.flow.server.SynchronizedRequestHandler
com.vaadin.flow.i18n.TranslationFileRequestHandler
All Implemented Interfaces:
Handles translation file requests. Translation file requests are internal
requests sent by the client-side to retrieve the translation file for the
specified language tag. The response contains the translations in JSON
format. Also, the language tag of the retrieved translation file is included
as a header with the name X-Vaadin-Retrieved-Locale. The language tag
parameter langtag supports both dash and underscore as separators.
The translation file to return is determined by matching the requested locale to the available bundles with the following prioritization order:
- Exact match
- Language and country match
- Language match
- Default bundle (root bundle)
For internal use only. May be renamed or removed in a future release.
Since:
24.4
Author:
Vaadin Ltd
See Also:
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Nested Class Summary
Nested classes/interfaces inherited from class com.vaadin.flow.server.SynchronizedRequestHandler
SynchronizedRequestHandler.ResponseWriter -
Field Summary
Fields inherited from class com.vaadin.flow.server.SynchronizedRequestHandler
MAX_BUFFER_SIZE -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionprotected booleancanHandleRequest(VaadinRequest request) Check whether a request may be handled by this handler.
booleansynchronizedHandleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) Identical to
SynchronizedRequestHandler.handleRequest(VaadinSession, VaadinRequest, VaadinResponse)except theVaadinSessionis locked before this is called and unlocked after this has completed.Methods inherited from class com.vaadin.flow.server.SynchronizedRequestHandler
getRequestBody, handleRequest, isReadAndWriteOutsideSessionLock, synchronizedHandleRequest
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Constructor Details
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TranslationFileRequestHandler
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Method Details
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synchronizedHandleRequest
public boolean synchronizedHandleRequest(VaadinSession session, VaadinRequest request, VaadinResponse response) throws IOException Description copied from class:
SynchronizedRequestHandlerIdentical to
SynchronizedRequestHandler.handleRequest(VaadinSession, VaadinRequest, VaadinResponse)except theVaadinSessionis locked before this is called and unlocked after this has completed.Specified by:
synchronizedHandleRequestin classSynchronizedRequestHandlerParameters:
session- The session for the requestrequest- The request to handleresponse- The response object to which a response can be written.Returns:
true if a response has been written and no further request handlers should be called, otherwise false
Throws:
IOException- If an IO error occurredSee Also:
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canHandleRequest
Description copied from class:
SynchronizedRequestHandlerCheck whether a request may be handled by this handler. This can be used as an optimization to avoid locking the session just to investigate some method property. The default implementation just returns
truewhich means that all requests will be handled by callingSynchronizedRequestHandler.synchronizedHandleRequest(VaadinSession, VaadinRequest, VaadinResponse)with the session locked.Overrides:
canHandleRequestin classSynchronizedRequestHandlerParameters:
request- the request to handleReturns:
trueif the request handling should continue once the session has been locked;falseif there's no need to lock the session since the request would still not be handled.
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