ru.vyarus.guicey.spa.filter

Class SpaRoutingFilter

java.lang.Object

ru.vyarus.guicey.spa.filter.SpaRoutingFilter

All Implemented Interfaces:

javax.servlet.Filter

public class SpaRoutingFilter
extends java.lang.Object
implements javax.servlet.Filter

Filter must be mapped to assets servlet, serving spa application. Bypass all calls to servlet, but if servlet returns 404, tries to redirect to application main page.

This is important to properly handle html5 client routing (without hashbang).

In order to route, filter checks request accept header: if it's compatible with "text/html" - routing is performed. If not, 404 error sent. Also, regex pattern is used to prevent routing (for example, for html templates). This is important for all other assets, which absence must be indicated.

Since:

02.04.2017

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	SLASH

Constructor Summary

Constructors

Constructor and Description
SpaRoutingFilter(java.lang.String target, java.lang.String noRedirectRegex)

Method Summary

Modifier and Type	Method and Description
void	destroy()
void	doFilter(javax.servlet.ServletRequest servletRequest, javax.servlet.ServletResponse servletResponse, 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

SLASH

public static final java.lang.String SLASH

See Also:

Constant Field Values

Constructor Detail

SpaRoutingFilter

public SpaRoutingFilter(java.lang.String target,
                        java.lang.String noRedirectRegex)

Method Detail

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 servletRequest,
                     javax.servlet.ServletResponse servletResponse,
                     javax.servlet.FilterChain chain)
              throws java.io.IOException,
                     javax.servlet.ServletException

Specified by:

doFilter in interface javax.servlet.Filter

Throws:

java.io.IOException

javax.servlet.ServletException

destroy

public void destroy()

Specified by:

destroy in interface javax.servlet.Filter