Package org.apache.tomcat.util.digester
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.- 
Constructor SummaryConstructors
- 
Method SummaryModifier and TypeMethodDescriptiongetProperty(String key) getProperty(String key, ClassLoader classLoader) Obtain a property value, checking that code associated with the provided class loader has permission to access the property.
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Constructor Details- 
EnvironmentPropertySourcepublic EnvironmentPropertySource()
 
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Method Details- 
getProperty- Specified by:
- getPropertyin interface- IntrospectionUtils.PropertySource
 
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getPropertyDescription copied from interface:IntrospectionUtils.SecurePropertySourceObtain a property value, checking that code associated with the provided class loader has permission to access the property. If theclassLoaderisnullor ifclassLoaderdoes not implementPermissionCheckthen the property value will be looked up without a call toPermissionCheck.check(java.security.Permission)- Specified by:
- getPropertyin interface- IntrospectionUtils.SecurePropertySource
- Parameters:
- key- The key of the requested property
- classLoader- The class loader associated with the code that trigger the property lookup
- Returns:
- The property value or nullif it could not be found or ifPermissionCheck.check(java.security.Permission)fails
 
 
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