ConversionServiceExposingInterceptor (Spring Framework 4.3.30.RELEASE API)

java.lang.Object
- org.springframework.web.servlet.handler.HandlerInterceptorAdapter
- - org.springframework.web.servlet.handler.ConversionServiceExposingInterceptor

All Implemented Interfaces:
AsyncHandlerInterceptor, HandlerInterceptor
```
public class ConversionServiceExposingInterceptor
extends HandlerInterceptorAdapter
```
Interceptor that places the configured ConversionService in request scope so it's available during request processing. The request attribute name is "org.springframework.core.convert.ConversionService", the value of ConversionService.class.getName().
Mainly for use within JSP tags such as the spring:eval tag.
Since:
3.0.1
Author:
Keith Donald

Constructor Summary
Constructors
Constructor Description
ConversionServiceExposingInterceptor(ConversionService conversionService)
Creates a new ConversionServiceExposingInterceptor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)`	This implementation always returns `true`.

Methods inherited from class org.springframework.web.servlet.handler.HandlerInterceptorAdapter
afterCompletion, afterConcurrentHandlingStarted, postHandle

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ConversionServiceExposingInterceptor
```
public ConversionServiceExposingInterceptor(ConversionService conversionService)
```
    Creates a new ConversionServiceExposingInterceptor.
    Parameters:
    conversionService - the conversion service to export to request scope when this interceptor is invoked
- Method Detail
  - preHandle
```
public boolean preHandle(HttpServletRequest request,
                         HttpServletResponse response,
                         Object handler)
                  throws ServletException,
                         IOException
```
    Description copied from class: HandlerInterceptorAdapter
    This implementation always returns true.
    Specified by:
    preHandle in interface HandlerInterceptor
    Overrides:
    preHandle in class HandlerInterceptorAdapter
    Parameters:
    request - current HTTP request
    response - current HTTP response
    handler - chosen handler to execute, for type and/or instance evaluation
    Returns:
    true if the execution chain should proceed with the next interceptor or the handler itself. Else, DispatcherServlet assumes that this interceptor has already dealt with the response itself.
    Throws:
    ServletException
    IOException