net.sourceforge.taglets.simple.configuration
Class SystemPropertyConfiguration

java.lang.Object
  net.sourceforge.taglets.simple.configuration.AbstractConfiguration
      net.sourceforge.taglets.simple.configuration.SystemPropertyConfiguration

All Implemented Interfaces:

Configuration

public class SystemPropertyConfiguration
extends AbstractConfiguration

Configuration that looks up its value in the system properties.

Version:

1.7 (2008/03/30 12:43:19)

Maintainer:

Bruno Essmann <essmann@sourceforge.net>

Since:

1.6.0

Constructor Summary

SystemPropertyConfiguration(Configuration parent)
Creates a new system property configuration that uses the specified parent.

Method Summary

String	getString(String key, String defaultValue) Retrieves a String value for the specified key.
boolean	hasValue(String key) Check if the configuration supports the specified key.
String[]	listKeys(String prefix) Lists all configuration keys with the specified prefix.

Methods inherited from class net.sourceforge.taglets.simple.configuration.AbstractConfiguration

getBoolean, getStringList

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SystemPropertyConfiguration

public SystemPropertyConfiguration(Configuration parent)

Creates a new system property configuration that uses the specified parent.

Parameters:

parent - the parent configuration, may be null.

Since:

1.6.0

Method Detail

hasValue

public boolean hasValue(String key)

Description copied from interface: Configuration

Check if the configuration supports the specified key.

Specified by:

hasValue in interface Configuration

Overrides:

hasValue in class AbstractConfiguration

Implementation Notes:

Checks if the system property key exists.

Parameters:

key - the key to check.

Returns:

true if the specified key is supported, false otherwise.

Since:

1.6.0

listKeys

public String[] listKeys(String prefix)

Description copied from interface: Configuration

Lists all configuration keys with the specified prefix.

Specified by:

listKeys in interface Configuration

Overrides:

listKeys in class AbstractConfiguration

Parameters:

prefix - the prefix for all keys to list.

Returns:

the list of configuration entries with the given prefix.

Since:

1.6.0

getString

public String getString(String key,
                        String defaultValue)

Description copied from interface: Configuration

Retrieves a String value for the specified key.

Specified by:

getString in interface Configuration

Overrides:

getString in class AbstractConfiguration

Implementation Notes:

Retrieves the value from the system property key.

Parameters:

key - the key of the value to retrieve.

defaultValue - the default value if the key cannot be found.

Returns:

the String value.

Since:

1.6.0