ParamFilter (Apache Hadoop HDFS 3.5.0 API)
Description: declaration: package: org.apache.hadoop.hdfs.web, class: ParamFilter

Package org.apache.hadoop.hdfs.web

# Class ParamFilter

java.lang.Object
org.apache.hadoop.hdfs.web.ParamFilter

All Implemented Interfaces:
  `javax.servlet.Filter`

public class ParamFilter extends Object implements javax.servlet.Filter
A filter to change parameter names to lower cases so that parameter names are considered as case insensitive.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ParamFilter()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `void`
  `destroy()`
  `void`
  `doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain)`
  `void`
  `init(javax.servlet.FilterConfig filterConfig)`

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### ParamFilter

    public ParamFilter()

- ## Method Details

  - ### init

    public void init(javax.servlet.FilterConfig filterConfig) throws javax.servlet.ServletException
    Specified by:
      `init` in interface `javax.servlet.Filter`
    Throws:
      `javax.servlet.ServletException`

  - ### doFilter

    public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response, javax.servlet.FilterChain chain) throws IOException, javax.servlet.ServletException
    Specified by:
      `doFilter` in interface `javax.servlet.Filter`
    Throws:
      `IOException`
      `javax.servlet.ServletException`

  - ### destroy

    public void destroy()
    Specified by:
      `destroy` in interface `javax.servlet.Filter`