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Added support for callbacks when changes in I2PAppContext properties occur.

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This commit is contained in:
mathiasdm
2011-01-03 18:37:29 +00:00
parent 867286b47b
commit 2a6c763c31
2 changed files with 82 additions and 2 deletions
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27
core/java/src/net/i2p/I2PAppContext.java
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@ -27,11 +27,13 @@ import net.i2p.util.Clock;
import net.i2p.util.ConcurrentHashSet;
import net.i2p.util.FileUtil;
import net.i2p.util.FortunaRandomSource;
import net.i2p.util.I2PProperties;
import net.i2p.util.KeyRing;
import net.i2p.util.LogManager;
//import net.i2p.util.PooledRandomSource;
import net.i2p.util.RandomSource;
import net.i2p.util.SecureDirectory;
import net.i2p.util.I2PProperties.I2PPropertyCallback;
/**
* <p>Provide a base scope for accessing singletons that I2P exposes. Rather than
@ -62,7 +64,7 @@ public class I2PAppContext {
/** the context that components without explicit root are bound */
protected static I2PAppContext _globalAppContext;
private Properties _overrideProps;
private I2PProperties _overrideProps;
private StatManager _statManager;
private SessionKeyManager _sessionKeyManager;
@ -165,7 +167,7 @@ public class I2PAppContext {
_globalAppContext = this;
}
}
_overrideProps = envProps;
_overrideProps = new I2PProperties(envProps);
_statManager = null;
_sessionKeyManager = null;
_namingService = null;
@ -478,6 +480,27 @@ public class I2PAppContext {
return names;
}
/**
* Modify the configuration attributes of this context, changing
* one of the properties provided during the context construction.
* @param propName The name of the property.
* @param value The new value for the property.
*/
public void setProperty(String propName, String value) {
if(_overrideProps != null) {
_overrideProps.setProperty(propName, value);
}
}
/**
* Add a callback, which will fire upon changes in the property
* given in the specific callback.
* @param callback The implementation of the callback.
*/
public void addPropertyCallback(I2PPropertyCallback callback) {
_overrideProps.addCallBack(callback);
}
/**
* The statistics component with which we can track various events
* over time.