Example usage for java.util.prefs Preferences node

Introduction

In this page you can find the example usage for java.util.prefs Preferences node.

Prototype

public abstract Preferences node(String pathName);

Source Link

Document

Returns the named preference node in the same tree as this node, creating it and any of its ancestors if they do not already exist.

Usage

From source file:Main.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    System.out.println("Node's absolute path: " + myPrefs.absolutePath());

}

From source file:PreferenceExample.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    System.out.println("userNodeForPackage: " + Preferences.userNodeForPackage(PreferenceExample.class));

}

From source file:PreferenceExample.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    System.out.println("Node's name: " + myPrefs.name());
    System.out.println("Node's parent: " + myPrefs.parent());
    System.out.println("NODE: " + myPrefs);

}

From source file:PreferenceExample.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    for (String s : myPrefs.keys()) {
        System.out.println("" + s + "= " + myPrefs.get(s, ""));
    }/*from   ww  w.  ja  va 2 s .c  om*/

}

From source file:PreferenceExample.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    System.out.print("Node's keys: ");
    for (String s : myPrefs.keys()) {
        System.out.print(s + "");
    }//from   w w w.  ja  v  a  2s .c o  m
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    FileOutputStream fos = new FileOutputStream("prefs.xml");

    myPrefs.exportSubtree(fos);/*from  www .j a  va 2  s . c o  m*/
    fos.close();

}

From source file:PreferenceExample.java

public static void main(String args[]) throws Exception {
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    myPrefs.put("A", "a");
    myPrefs.put("B", "b");
    myPrefs.put("C", "c");

    System.out.print("Node's children: ");
    for (String s : myPrefs.childrenNames()) {
        System.out.print(s + "");
    }/*  w ww.j a  va  2s  .  c o  m*/

}

From source file:PreferenceExample.java

public static void main(String args[]) {
    PreferenceExample pe = new PreferenceExample();
    Preferences prefsRoot = Preferences.userRoot();
    Preferences myPrefs = prefsRoot.node("PreferenceExample");

    try {//from w  w  w  .j  a  v a2 s.c  om
        pe.setSomeProperties(myPrefs);
        pe.printInformation(myPrefs);
        pe.exportToFile(myPrefs, "prefs.xml");
    } catch (BackingStoreException bse) {
        System.out.println("Problem with accessing the backing store\n" + bse);
        bse.printStackTrace();
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {

    Preferences prefs = Preferences.userNodeForPackage(java.lang.String.class);

    Preferences node = prefs.parent(); // /java
    node = node.parent(); // null

    String[] names = null;//from w w w.  j a  v a  2s. c  o  m
    names = prefs.childrenNames();

    for (int i = 0; i < names.length; i++) {
        node = prefs.node(names[i]);
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    // System preference nodes

    // Use a Class
    Preferences prefs = Preferences.systemNodeForPackage(java.lang.String.class);

    // Use an absolute path
    prefs = Preferences.systemRoot().node("/java/lang/String");

    // Use a relative path
    prefs = Preferences.systemRoot().node("/javax/swing");
    prefs = prefs.node("text/html");

    // User preference nodes

    // Use a class
    prefs = Preferences.userNodeForPackage(Main.class);

    // Use an absolute path
    prefs = Preferences.userRoot().node("/com/mycompany");

    // Use a relative path
    prefs = Preferences.userRoot().node("/javax/swing");
    prefs = prefs.node("text/html");
}