Examples of org.springframework.web.filter.HiddenHttpMethodFilter

org.springframework.web.filter.HiddenHttpMethodFilter
{@link javax.servlet.Filter} that converts posted method parameters into HTTP methods,retrievable via {@link HttpServletRequest#getMethod()}. Since browsers currently only support GET and POST, a common technique - used by the Prototype library, for instance - is to use a normal POST with an additional hidden form field (_method) to pass the "real" HTTP method along. This filter reads that parameter and changes the {@link HttpServletRequestWrapper#getMethod()} return value accordingly.
The name of the request parameter defaults to _method, but can be adapted via the {@link #setMethodParam(String) methodParam} property.
NOTE: This filter needs to run after multipart processing in case of a multipart POST request, due to its inherent need for checking a POST body parameter. So typically, put a Spring {@link org.springframework.web.multipart.support.MultipartFilter}before this HiddenHttpMethodFilter in your web.xml filter chain. @author Arjen Poutsma @since 3.0

        return new String[] { "/" };
    }


    @Override
    protected Filter[] getServletFilters() {
        return new Filter[] { new HiddenHttpMethodFilter() };
    }

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    return new String[] { "/" };
  }


  @Override
  protected Filter[] getServletFilters() {
    return new Filter[] { new HiddenHttpMethodFilter(),
        new MultipartFilter(), new OpenEntityManagerInViewFilter() };
  }

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    }


    @Override
    protected Filter[] getServletFilters() {
      return new Filter[] {
          new HiddenHttpMethodFilter(),
          new DelegatingFilterProxy("a"),
          new DelegatingFilterProxy("b"),
          new DelegatingFilterProxy("c")
      };
    }

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  public static String DEFAULT_SUFFIX = "";


  @Bean
  @ConditionalOnMissingBean(HiddenHttpMethodFilter.class)
  public HiddenHttpMethodFilter hiddenHttpMethodFilter() {
    return new HiddenHttpMethodFilter();
  }

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    encodingFilter.setEncoding("UTF-8");
    encodingFilter.setForceEncoding(true);


    DelegatingFilterProxy reconnectDelegate = new DelegatingFilterProxy("apiExceptionHandler");
    
    return new Filter[] { reconnectDelegate, encodingFilter, new HiddenHttpMethodFilter() };
  }

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    encodingFilter.setEncoding("UTF-8");
    encodingFilter.setForceEncoding(true);
    
    DelegatingFilterProxy reconnectDelegate = new DelegatingFilterProxy("apiExceptionHandler");
    
    return new Filter[] { reconnectDelegate, encodingFilter, new HiddenHttpMethodFilter() };
  }

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