disabledpreferencesfactory.java

Standord Classifier实现了一个基于Java的最大熵分类器。用于模式识别

package edu.stanford.nlp.util;

import java.util.prefs.PreferencesFactory;
import java.util.prefs.Preferences;

/**
 * Returns do-nothing Preferences implementation.  We don't use this
 * facility, so we want to avoid the hassles that come with the JVM's
 * implementation. 
 * Taken from: http://www.allaboutbalance.com/disableprefs/index.html
 *
 * @author Robert Slifka
 * @author Christopher Manning
 * @version 2003/03/24
 */
public class DisabledPreferencesFactory implements PreferencesFactory {

    public Preferences systemRoot() {
        return new DisabledPreferences();
    }

    public Preferences userRoot() {
        return new DisabledPreferences();
    }

    public static void install() {
        try {
            System.setProperty("java.util.prefs.PreferencesFactory",
                       "edu.stanford.nlp.util.DisabledPreferencesFactory");
	} catch (SecurityException e) {
	    // oh well we couldn't do it...
	}
    }

}