Example usage for java.util.prefs Preferences get

Introduction

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

Prototype

public abstract String get(String key, String def);

Source Link

Document

Returns the value associated with the specified key in this preference node.

Usage

From source file:Main.java

public static void main(String[] args) {
    Preferences p = Preferences.userRoot();
    p.put(REALKEY, "bar");

    System.out.println(p);//  www. j a v a2 s  .  c om
    System.out.println(p.get(REALKEY, "key"));

    p = Preferences.systemRoot();
    p.put(REALKEY, "key 2");

    System.out.println(p);
    System.out.println(p.get(REALKEY, "default"));
}

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From source file:Main.java

public static void main(String[] args) {
    String PREF_KEY = "org.username";
    // Write Preferences information to HKCU (HKEY_CURRENT_USER),HKCU\Software\JavaSoft\Prefs\
    Preferences userPref = Preferences.userRoot();
    userPref.put(PREF_KEY, "a");

    System.out.println("Preferences = " + userPref.get(PREF_KEY, PREF_KEY + " was not found."));

    // Write Preferences information to HKLM (HKEY_LOCAL_MACHINE),HKLM\Software\JavaSoft\Prefs\
    Preferences systemPref = Preferences.systemRoot();
    systemPref.put(PREF_KEY, "b");

    System.out.println("Preferences = " + systemPref.get(PREF_KEY, PREF_KEY + " was not found."));
}

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From source file:MainClass.java

public static void main(String[] args) {

    // Setup the Preferences for this application, by class.
    Preferences prefs = Preferences.userNodeForPackage(MainClass.class);

    // Retrieve some preferences previously stored, with defaults in case
    // this is the first run.
    String text = prefs.get("A", "a");
    String display = prefs.get("B", "b");
    System.out.println(text);/* w w w . jav a 2s . c  om*/
    System.out.println(display);

    // Assume the user chose new preference values: Store them back.
    prefs.put("A", "aa");
    prefs.put("B", "bb");
}

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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, ""));
    }/* w w  w .j a v  a 2  s. co m*/

}

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From source file:kindleclippings.word.QuizletSync.java

public static void main(String[] args) throws IOException, JSONException, URISyntaxException,
        InterruptedException, BackingStoreException, BadLocationException {

    JFileChooser fc = new JFileChooser();
    fc.setFileFilter(new FileNameExtensionFilter("Word documents", "doc", "rtf", "txt"));
    fc.setMultiSelectionEnabled(true);/*from   www. j a va 2 s . c o  m*/
    int result = fc.showOpenDialog(null);
    if (result != JFileChooser.APPROVE_OPTION) {
        return;
    }
    File[] clf = fc.getSelectedFiles();
    if (clf == null || clf.length == 0)
        return;

    ProgressMonitor progress = new ProgressMonitor(null, "QuizletSync", "loading notes files", 0, 100);
    progress.setMillisToPopup(0);
    progress.setMillisToDecideToPopup(0);
    progress.setProgress(0);
    try {

        progress.setNote("checking Quizlet account");
        progress.setProgress(5);

        Preferences prefs = kindleclippings.quizlet.QuizletSync.getPrefs();

        QuizletAPI api = new QuizletAPI(prefs.get("access_token", null));

        Collection<TermSet> sets = null;
        try {
            progress.setNote("checking Quizlet library");
            progress.setProgress(10);
            sets = api.getSets(prefs.get("user_id", null));
        } catch (IOException e) {
            if (e.toString().contains("401")) {
                // Not Authorized => Token has been revoked
                kindleclippings.quizlet.QuizletSync.clearPrefs();
                prefs = kindleclippings.quizlet.QuizletSync.getPrefs();
                api = new QuizletAPI(prefs.get("access_token", null));
                sets = api.getSets(prefs.get("user_id", null));
            } else {
                throw e;
            }
        }

        progress.setProgress(15);
        progress.setMaximum(15 + clf.length * 10);
        progress.setNote("uploading new notes");

        int pro = 15;

        int addedSets = 0;
        int updatedTerms = 0;
        int updatedSets = 0;

        for (File f : clf) {
            progress.setProgress(pro);
            List<Clipping> clippings = readClippingsFile(f);

            if (clippings == null) {
                pro += 10;
                continue;
            }

            if (clippings.isEmpty()) {
                pro += 10;
                continue;
            }

            if (clippings.size() < 2) {
                pro += 10;
                continue;
            }

            String book = clippings.get(0).getBook();
            progress.setNote(book);

            TermSet termSet = null;
            String x = book.toLowerCase().replaceAll("\\W", "");

            for (TermSet t : sets) {
                if (t.getTitle().toLowerCase().replaceAll("\\W", "").equals(x)) {
                    termSet = t;
                    break;
                }
            }

            if (termSet == null) {

                addSet(api, book, clippings);
                addedSets++;
                pro += 10;
                continue;
            }

            // compare against existing terms
            boolean hasUpdated = false;
            for (Clipping cl : clippings) {
                if (!kindleclippings.quizlet.QuizletSync.checkExistingTerm(cl, termSet)) {
                    kindleclippings.quizlet.QuizletSync.addTerm(api, termSet, cl);
                    updatedTerms++;
                    hasUpdated = true;
                }
            }

            pro += 10;

            if (hasUpdated)
                updatedSets++;

        }

        if (updatedTerms == 0 && addedSets == 0) {
            JOptionPane.showMessageDialog(null, "Done.\nNo new data was uploaded", "QuizletSync",
                    JOptionPane.OK_OPTION);
        } else {
            if (addedSets > 0) {
                JOptionPane.showMessageDialog(null,
                        String.format("Done.\nCreated %d new sets and added %d cards to %d existing sets",
                                addedSets, updatedSets, updatedTerms),
                        "QuizletSync", JOptionPane.OK_OPTION);
            } else {
                JOptionPane.showMessageDialog(null,
                        String.format("Done.\nAdded %d cards to %d existing sets", updatedTerms, updatedSets),
                        "QuizletSync", JOptionPane.OK_OPTION);
            }
        }
    } finally {
        progress.close();
    }

    System.exit(0);
}

---

From source file:kindleclippings.quizlet.QuizletSync.java

public static void main(String[] args)
        throws IOException, JSONException, URISyntaxException, InterruptedException, BackingStoreException {

    ProgressMonitor progress = new ProgressMonitor(null, "QuizletSync", "loading Kindle clippings file", 0,
            100);/*from   w  w  w  .jav  a 2 s .  com*/
    progress.setMillisToPopup(0);
    progress.setMillisToDecideToPopup(0);
    progress.setProgress(0);
    try {

        Map<String, List<Clipping>> books = readClippingsFile();

        if (books == null)
            return;

        if (books.isEmpty()) {
            JOptionPane.showMessageDialog(null, "no clippings to be uploaded", "QuizletSync",
                    JOptionPane.OK_OPTION);
            return;
        }
        progress.setNote("checking Quizlet account");
        progress.setProgress(5);

        Preferences prefs = getPrefs();

        QuizletAPI api = new QuizletAPI(prefs.get("access_token", null));

        Collection<TermSet> sets = null;
        try {
            progress.setNote("checking Quizlet library");
            progress.setProgress(10);
            sets = api.getSets(prefs.get("user_id", null));
        } catch (IOException e) {
            if (e.toString().contains("401")) {
                // Not Authorized => Token has been revoked
                clearPrefs();
                prefs = getPrefs();
                api = new QuizletAPI(prefs.get("access_token", null));
                sets = api.getSets(prefs.get("user_id", null));
            } else {
                throw e;
            }
        }

        progress.setProgress(15);
        progress.setMaximum(15 + books.size());
        progress.setNote("uploading new notes");

        Map<String, TermSet> indexedSets = new HashMap<String, TermSet>(sets.size());

        for (TermSet t : sets) {
            indexedSets.put(t.getTitle(), t);
        }

        int pro = 15;
        int createdSets = 0;
        int createdTerms = 0;
        int updatedTerms = 0;
        for (List<Clipping> c : books.values()) {

            String book = c.get(0).getBook();
            progress.setNote(book);
            progress.setProgress(pro++);

            TermSet termSet = indexedSets.get(book);
            if (termSet == null) {
                if (c.size() < 2) {
                    System.err.println("ignored [" + book + "] (need at least two notes)");
                    continue;
                }

                addSet(api, book, c);
                createdSets++;
                createdTerms += c.size();
                continue;
            }
            // compare against existing terms
            for (Clipping cl : c) {
                if (!checkExistingTerm(cl, termSet)) {
                    addTerm(api, termSet, cl);
                    updatedTerms++;
                }
            }
        }
        progress.setProgress(pro++);

        if (createdSets == 0 && updatedTerms == 0) {
            JOptionPane.showMessageDialog(null, "Done.\nNo new data was uploaded", "QuizletSync",
                    JOptionPane.OK_OPTION);
        } else if (createdSets > 0) {
            JOptionPane.showMessageDialog(null,
                    String.format(
                            "Done.\nCreated %d new sets with %d cards, and added %d cards to existing sets",
                            createdSets, createdTerms, updatedTerms),
                    "QuizletSync", JOptionPane.OK_OPTION);
        } else {
            JOptionPane.showMessageDialog(null,
                    String.format("Done.\nAdded %d cards to existing sets", updatedTerms), "QuizletSync",
                    JOptionPane.OK_OPTION);
        }
    } finally {
        progress.close();
    }

    System.exit(0);
}

---

From source file:Main.java

public static void main(String[] args) throws Exception {
    Preferences prefs = Preferences.userNodeForPackage(Main.class);
    prefs.put("key1", "value1");
    prefs.put("key2", "value2");
    prefs.putInt("intValue", 4);
    prefs.putBoolean("booleanValue", true);
    int usageCount = prefs.getInt("intValue", 0);
    usageCount++;/*from  w w w. j a  v  a  2 s .  c om*/
    prefs.putInt("UsageCount", usageCount);
    Iterator it = Arrays.asList(prefs.keys()).iterator();
    while (it.hasNext()) {
        String key = it.next().toString();
        System.out.println(key + ": " + prefs.get(key, null));
    }
    System.out.println(prefs.getInt("booleanValue", 0));
}

---

From source file:MainClass.java

public static void main(String[] args) throws Exception {
    Preferences prefs = Preferences.userNodeForPackage(MainClass.class);
    prefs.put("key1", "value1");
    prefs.put("key2", "value2");
    prefs.putInt("intValue", 4);
    prefs.putBoolean("booleanValue", true);
    int usageCount = prefs.getInt("intValue", 0);
    usageCount++;/*from w  w w . j a  va  2 s  . co m*/
    prefs.putInt("UsageCount", usageCount);
    Iterator it = Arrays.asList(prefs.keys()).iterator();
    while (it.hasNext()) {
        String key = it.next().toString();
        System.out.println(key + ": " + prefs.get(key, null));
    }
    System.out.println(prefs.getInt("booleanValue", 0));
}

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From source file:PreferencesDemo.java

public static void main(String[] args) throws Exception {
    Preferences prefs = Preferences.userNodeForPackage(PreferencesDemo.class);
    prefs.put("Location", "Oz");
    prefs.put("Footwear", "Ruby Slippers");
    prefs.putInt("Companions", 4);
    prefs.putBoolean("Are there witches?", true);
    int usageCount = prefs.getInt("UsageCount", 0);
    usageCount++;// w  w  w . j  a va 2s  .c o m
    prefs.putInt("UsageCount", usageCount);
    Iterator it = Arrays.asList(prefs.keys()).iterator();
    while (it.hasNext()) {
        String key = it.next().toString();
        System.out.println(key + ": " + prefs.get(key, null));
    }
    // You must always provide a default value:
    System.out.println("How many companions does Dorothy have? " + prefs.getInt("Companions", 0));
}

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From source file:Main.java

public static void main(String[] argv) throws Exception {
    Preferences prefs = Preferences.userNodeForPackage(Main.class);

    // Preference key name
    final String PREF_NAME = "name_of_preference";

    // Save//w ww .  j  av  a 2s.  c om
    prefs.put(PREF_NAME, "a string"); // String
    prefs.putBoolean(PREF_NAME, true); // boolean
    prefs.putInt(PREF_NAME, 123); // int
    prefs.putLong(PREF_NAME, 123L); // long
    prefs.putFloat(PREF_NAME, 12.3F); // float
    prefs.putDouble(PREF_NAME, 12.3); // double
    byte[] bytes = new byte[1024];
    prefs.putByteArray(PREF_NAME, bytes); // byte[]

    // Retrieve
    String s = prefs.get(PREF_NAME, "a string"); // String
    boolean b = prefs.getBoolean(PREF_NAME, true); // boolean
    int i = prefs.getInt(PREF_NAME, 123); // int
    long l = prefs.getLong(PREF_NAME, 123L); // long
    float f = prefs.getFloat(PREF_NAME, 12.3F); // float
    double d = prefs.getDouble(PREF_NAME, 12.3); // double
    bytes = prefs.getByteArray(PREF_NAME, bytes); // byte[]
}

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