Class EnvironmentPropertySource

java.lang.Object
org.apache.tomcat.util.digester.EnvironmentPropertySource
All Implemented Interfaces:
IntrospectionUtils.PropertySource, IntrospectionUtils.SecurePropertySource

public class EnvironmentPropertySource extends Object implements IntrospectionUtils.SecurePropertySource
A IntrospectionUtils.SecurePropertySource that uses environment variables to resolve expressions.

Usage example:

Configure the certificate with environment variables.
   
     <SSLHostConfig>
           <Certificate certificateKeyFile="${CERTIFICATE_KEY_FILE}"
                        certificateFile="${CERTIFICATE_FILE}"
                        certificateChainFile="${CERTIFICATE_CHAIN_FILE}"
                        type="RSA" />
     </SSLHostConfig> 
 
How to configure:
 
   echo "org.apache.tomcat.util.digester.PROPERTY_SOURCE=org.apache.tomcat.util.digester.EnvironmentPropertySource" >> conf/catalina.properties
 
or add this to CATALINA_OPTS
 
   -Dorg.apache.tomcat.util.digester.PROPERTY_SOURCE=org.apache.tomcat.util.digester.EnvironmentPropertySource
 
NOTE: When configured the PropertySource for resolving expressions from system properties is still active.
See Also: