com.alibaba.csp.sentinel.adapter.servlet

Class CommonFilter

java.lang.Object

com.alibaba.csp.sentinel.adapter.servlet.CommonFilter

All Implemented Interfaces:

javax.servlet.Filter

public class CommonFilter
extends Object
implements javax.servlet.Filter

Servlet filter that integrates with Sentinel.

Author:

youji.zj, Eric Zhao, zhaoyuguang

Field Summary

Fields

Modifier and Type	Field and Description
static String	HTTP_METHOD_SPECIFY Specify whether the URL resource name should contain the HTTP method prefix (e.g.
static String	WEB_CONTEXT_UNIFY If enabled, use the default context name, or else use the URL path as the context name, WebServletConfig.WEB_SERVLET_CONTEXT_NAME.

Constructor Summary

Constructors

Constructor and Description
CommonFilter()

Method Summary

Modifier and Type	Method and 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

Field Detail

HTTP_METHOD_SPECIFY

public static final String HTTP_METHOD_SPECIFY

Specify whether the URL resource name should contain the HTTP method prefix (e.g. POST:).

See Also:

Constant Field Values

WEB_CONTEXT_UNIFY

public static final String WEB_CONTEXT_UNIFY

If enabled, use the default context name, or else use the URL path as the context name, WebServletConfig.WEB_SERVLET_CONTEXT_NAME. Please pay attention to the number of context (EntranceNode), which may affect the memory footprint.

Since:

1.7.0

See Also:

Constant Field Values

Constructor Detail

CommonFilter

public CommonFilter()

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)

Specified by:

init in interface javax.servlet.Filter

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