How to use @value in a target bean of a delegating filter proxy

Asked Oct 11 '17 at 06:35

Active Oct 11 '17 at 06:35

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I have a filter which extends OncePerRequestFilter. I'm trying to read a property value from property file using @Value. I'm not getting the actual value from the properties file instead i get the string of the expression used for getting the value.

@Value("${project.version}")
private String projectVersion;

If i try to use the variable it has {project.version} as the value. Am i missing something here ? Any help is appreciated.

My web.xml looks like below

<filter>
    <filter-name>ModifyRequestFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
    <init-param>
        <param-name>targetBeanName</param-name>
        <param-value>modifyRequestFilter</param-value>
  </init-param> 
</filter>
<filter-mapping>
    <filter-name>ModifyRequestFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

And applicationcontext.xml config for the filter bean is as below

<bean id="modifyRequestFilter" class="com.mycompany.filters.ModifyRequestFilter"/>

asked Oct 11 '17 at 06:35

Vikas Attiguppa

Where is your properties file located ? – Ataur Rahman Munna Oct 11 '17 at 07:23
It is in class path. I'm using it in one of controller and it works fine there – Vikas Attiguppa Oct 11 '17 at 17:06
What is your properties file name? – Ataur Rahman Munna Oct 12 '17 at 03:55
This may be a help https://stackoverflow.com/questions/9259819/how-to-read-values-from-properties-file – Ataur Rahman Munna Oct 12 '17 at 04:01
Thanks for this link i have all the configs for property placeholder configurer but its still not working. – Vikas Attiguppa Oct 12 '17 at 04:52
Then use property source `@PropertySource("classpath:/com/myco/app.properties")` – Ataur Rahman Munna Oct 12 '17 at 04:58

How to use @value in a target bean of a delegating filter proxy

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