EnvironmentPropertySource (Apache Tomcat 7.0.109 API Documentation)

java.lang.Object
- org.apache.tomcat.util.digester.EnvironmentPropertySource

All Implemented Interfaces:: IntrospectionUtils.PropertySource, IntrospectionUtils.SecurePropertySource

Direct Known Subclasses:: Digester.EnvironmentPropertySource

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:: Digester, Tomcat Configuration Reference System Properties

Constructor Summary

Constructors
Constructor and Description

EnvironmentPropertySource()

Constructors
Constructor and Description
`EnvironmentPropertySource()`

Method Summary

Methods
Modifier and Type	Method and Description
`String`	`getProperty(String key)`
`String`	`getProperty(String key, ClassLoader classLoader)` Obtain a property value, checking that code associated with the provided class loader has permission to access the property.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EnvironmentPropertySource
```
public EnvironmentPropertySource()
```
- Method Detail
  - getProperty
```
public String getProperty(String key)
```
    Specified by:
    
    getProperty in interface IntrospectionUtils.PropertySource
  - getProperty
```
public String getProperty(String key,
                 ClassLoader classLoader)
```
    Description copied from interface: IntrospectionUtils.SecurePropertySource
    
    Obtain a property value, checking that code associated with the provided class loader has permission to access the property. If the classLoader is null or if classLoader does not implement PermissionCheck then the property value will be looked up without a call to PermissionCheck.check(java.security.Permission)
    
    Specified by:
    
    getProperty in 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 null if it could not be found or if PermissionCheck.check(java.security.Permission) fails

Class EnvironmentPropertySource

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EnvironmentPropertySource

Method Detail

getProperty

getProperty