springmvc_@requestmapping casing insensitive Case insensitive

Http://stackoverflow.com/questions/4150039/how-can-i-have-case-insensitive-urls-in-spring-mvc-with-annotated-mappings

The following four URLs can point to the same controller method

Http://localhost:8080/login/userLOgin
Http://localhost:8080/LogiN/userLOgin
Http://localhost:8080/login/userlogin
Http://localhost:8080/Login/UserLogin

Solution One (the following applicationcontext.xml Configuration Some can be simplified )

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public class CaseInsenseticePathMatcher extends AntPathMatcher {    @Override    protected boolean doMatch(String pattern, String path, boolean fullMatch, Map<String, String> uriTemplateVariables) {        System.err.println(pattern + " -- " + path);        return super.doMatch(pattern.toLowerCase(), path.toLowerCase(), fullMatch, uriTemplateVariables);    }}

Applicationcontext.xml:

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<bean id="matcher" class="test.CaseInsenseticePathMatcher"/><bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">    <property name="pathMatcher" ref="matcher"/></bean><bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">    <property name="pathMatcher" ref="matcher"/>    <property name="webBindingInitializer">        <bean class="org.springframework.web.bind.support.ConfigurableWebBindingInitializer"/>    </property>    <property name="messageConverters">        <list>            <bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>            <bean class="org.springframework.http.converter.StringHttpMessageConverter"/>            <bean class="org.springframework.http.converter.FormHttpMessageConverter"/>            <bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter"/>        </list>    </property></bean><bean id="conversion-service" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"/>

Simplified applicationcontext.xml: handlermapping, Handleradapter (i.e. controller and action) must be configured

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<bean id="matcher" class="com.le.lej.common.CaseInsenseticePathMatcher" />    <bean        class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">        <property name="pathMatcher" ref="matcher" />    </bean>    <bean        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">        <property name="pathMatcher" ref="matcher" />    </bean>

Second, solution two(need Spring4.2 above support)

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@Configurationpublic class WebConfig extends WebMvcConfigurerAdapter {    @Override    public void configurePathMatch(PathMatchConfigurer configurer) {        AntPathMatcher matcher = new AntPathMatcher();        matcher.setCaseSensitive(false);        configurer.setPathMatcher(matcher);    }}

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